OSCL-LXR linux-6.0.1/​drivers/​hid/​wacom_wac.c	Source navigation Diff markup Identifier search General search
	Version: linux-6.0.1 spark-3.0.0 hadoop-3.2.0-src hadoop-3.3.0-src spark-2.4.7 linux-4.15.13 hadoop-2.7.4-src Revert   Change

 // SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * drivers/input/tablet/wacom_wac.c
  *
  *  USB Wacom tablet support - Wacom specific code
  */
 
 /*
  */
 
 #include "wacom_wac.h"
 #include "wacom.h"
 #include <linux/input/mt.h>
 #include <linux/jiffies.h>
 
 /* resolution for penabled devices */
 #define WACOM_PL_RES        20
 #define WACOM_PENPRTN_RES   40
 #define WACOM_VOLITO_RES    50
 #define WACOM_GRAPHIRE_RES  80
 #define WACOM_INTUOS_RES    100
 #define WACOM_INTUOS3_RES   200
 
 /* Newer Cintiq and DTU have an offset between tablet and screen areas */
 #define WACOM_DTU_OFFSET    200
 #define WACOM_CINTIQ_OFFSET 400
 
 /*
  * Scale factor relating reported contact size to logical contact area.
  * 2^14/pi is a good approximation on Intuos5 and 3rd-gen Bamboo
  */
 #define WACOM_CONTACT_AREA_SCALE 2607
 
 static bool touch_arbitration = 1;
 module_param(touch_arbitration, bool, 0644);
 MODULE_PARM_DESC(touch_arbitration, " on (Y) off (N)");
 
 static void wacom_report_numbered_buttons(struct input_dev *input_dev,
                 int button_count, int mask);
 
 static int wacom_numbered_button_to_key(int n);
 
 static void wacom_update_led(struct wacom *wacom, int button_count, int mask,
                  int group);
 
 static void wacom_force_proxout(struct wacom_wac *wacom_wac)
 {
     struct input_dev *input = wacom_wac->pen_input;
 
     wacom_wac->shared->stylus_in_proximity = 0;
 
     input_report_key(input, BTN_TOUCH, 0);
     input_report_key(input, BTN_STYLUS, 0);
     input_report_key(input, BTN_STYLUS2, 0);
     input_report_key(input, BTN_STYLUS3, 0);
     input_report_key(input, wacom_wac->tool[0], 0);
     if (wacom_wac->serial[0]) {
         input_report_abs(input, ABS_MISC, 0);
     }
     input_report_abs(input, ABS_PRESSURE, 0);
 
     wacom_wac->tool[0] = 0;
     wacom_wac->id[0] = 0;
     wacom_wac->serial[0] = 0;
 
     input_sync(input);
 }
 
 void wacom_idleprox_timeout(struct timer_list *list)
 {
     struct wacom *wacom = from_timer(wacom, list, idleprox_timer);
     struct wacom_wac *wacom_wac = &wacom->wacom_wac;
 
     if (!wacom_wac->hid_data.sense_state) {
         return;
     }
 
     hid_warn(wacom->hdev, "%s: tool appears to be hung in-prox. forcing it out.\n", __func__);
     wacom_force_proxout(wacom_wac);
 }
 
 /*
  * Percent of battery capacity for Graphire.
  * 8th value means AC online and show 100% capacity.
  */
 static unsigned short batcap_gr[8] = { 1, 15, 25, 35, 50, 70, 100, 100 };
 
 /*
  * Percent of battery capacity for Intuos4 WL, AC has a separate bit.
  */
 static unsigned short batcap_i4[8] = { 1, 15, 30, 45, 60, 70, 85, 100 };
 
 static void __wacom_notify_battery(struct wacom_battery *battery,
                    int bat_status, int bat_capacity,
                    bool bat_charging, bool bat_connected,
                    bool ps_connected)
 {
     bool changed = battery->bat_status       != bat_status    ||
                battery->battery_capacity != bat_capacity  ||
                battery->bat_charging     != bat_charging  ||
                battery->bat_connected    != bat_connected ||
                battery->ps_connected     != ps_connected;
 
     if (changed) {
         battery->bat_status = bat_status;
         battery->battery_capacity = bat_capacity;
         battery->bat_charging = bat_charging;
         battery->bat_connected = bat_connected;
         battery->ps_connected = ps_connected;
 
         if (battery->battery)
             power_supply_changed(battery->battery);
     }
 }
 
 static void wacom_notify_battery(struct wacom_wac *wacom_wac,
     int bat_status, int bat_capacity, bool bat_charging,
     bool bat_connected, bool ps_connected)
 {
     struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
 
     __wacom_notify_battery(&wacom->battery, bat_status, bat_capacity,
                    bat_charging, bat_connected, ps_connected);
 }
 
 static int wacom_penpartner_irq(struct wacom_wac *wacom)
 {
     unsigned char *data = wacom->data;
     struct input_dev *input = wacom->pen_input;
 
     switch (data[0]) {
     case 1:
         if (data[5] & 0x80) {
             wacom->tool[0] = (data[5] & 0x20) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
             wacom->id[0] = (data[5] & 0x20) ? ERASER_DEVICE_ID : STYLUS_DEVICE_ID;
             input_report_key(input, wacom->tool[0], 1);
             input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
             input_report_abs(input, ABS_X, get_unaligned_le16(&data[1]));
             input_report_abs(input, ABS_Y, get_unaligned_le16(&data[3]));
             input_report_abs(input, ABS_PRESSURE, (signed char)data[6] + 127);
             input_report_key(input, BTN_TOUCH, ((signed char)data[6] > -127));
             input_report_key(input, BTN_STYLUS, (data[5] & 0x40));
         } else {
             input_report_key(input, wacom->tool[0], 0);
             input_report_abs(input, ABS_MISC, 0); /* report tool id */
             input_report_abs(input, ABS_PRESSURE, -1);
             input_report_key(input, BTN_TOUCH, 0);
         }
         break;
 
     case 2:
         input_report_key(input, BTN_TOOL_PEN, 1);
         input_report_abs(input, ABS_MISC, STYLUS_DEVICE_ID); /* report tool id */
         input_report_abs(input, ABS_X, get_unaligned_le16(&data[1]));
         input_report_abs(input, ABS_Y, get_unaligned_le16(&data[3]));
         input_report_abs(input, ABS_PRESSURE, (signed char)data[6] + 127);
         input_report_key(input, BTN_TOUCH, ((signed char)data[6] > -80) && !(data[5] & 0x20));
         input_report_key(input, BTN_STYLUS, (data[5] & 0x40));
         break;
 
     default:
         dev_dbg(input->dev.parent,
             "%s: received unknown report #%d\n", __func__, data[0]);
         return 0;
         }
 
     return 1;
 }
 
 static int wacom_pl_irq(struct wacom_wac *wacom)
 {
     struct wacom_features *features = &wacom->features;
     unsigned char *data = wacom->data;
     struct input_dev *input = wacom->pen_input;
     int prox, pressure;
 
     if (data[0] != WACOM_REPORT_PENABLED) {
         dev_dbg(input->dev.parent,
             "%s: received unknown report #%d\n", __func__, data[0]);
         return 0;
     }
 
     prox = data[1] & 0x40;
 
     if (!wacom->id[0]) {
         if ((data[0] & 0x10) || (data[4] & 0x20)) {
             wacom->tool[0] = BTN_TOOL_RUBBER;
             wacom->id[0] = ERASER_DEVICE_ID;
         }
         else {
             wacom->tool[0] = BTN_TOOL_PEN;
             wacom->id[0] = STYLUS_DEVICE_ID;
         }
     }
 
     /* If the eraser is in prox, STYLUS2 is always set. If we
      * mis-detected the type and notice that STYLUS2 isn't set
      * then force the eraser out of prox and let the pen in.
      */
     if (wacom->tool[0] == BTN_TOOL_RUBBER && !(data[4] & 0x20)) {
         input_report_key(input, BTN_TOOL_RUBBER, 0);
         input_report_abs(input, ABS_MISC, 0);
         input_sync(input);
         wacom->tool[0] = BTN_TOOL_PEN;
         wacom->id[0] = STYLUS_DEVICE_ID;
     }
 
     if (prox) {
         pressure = (signed char)((data[7] << 1) | ((data[4] >> 2) & 1));
         if (features->pressure_max > 255)
             pressure = (pressure << 1) | ((data[4] >> 6) & 1);
         pressure += (features->pressure_max + 1) / 2;
 
         input_report_abs(input, ABS_X, data[3] | (data[2] << 7) | ((data[1] & 0x03) << 14));
         input_report_abs(input, ABS_Y, data[6] | (data[5] << 7) | ((data[4] & 0x03) << 14));
         input_report_abs(input, ABS_PRESSURE, pressure);
 
         input_report_key(input, BTN_TOUCH, data[4] & 0x08);
         input_report_key(input, BTN_STYLUS, data[4] & 0x10);
         /* Only allow the stylus2 button to be reported for the pen tool. */
         input_report_key(input, BTN_STYLUS2, (wacom->tool[0] == BTN_TOOL_PEN) && (data[4] & 0x20));
     }
 
     if (!prox)
         wacom->id[0] = 0;
     input_report_key(input, wacom->tool[0], prox);
     input_report_abs(input, ABS_MISC, wacom->id[0]);
     return 1;
 }
 
 static int wacom_ptu_irq(struct wacom_wac *wacom)
 {
     unsigned char *data = wacom->data;
     struct input_dev *input = wacom->pen_input;
 
     if (data[0] != WACOM_REPORT_PENABLED) {
         dev_dbg(input->dev.parent,
             "%s: received unknown report #%d\n", __func__, data[0]);
         return 0;
     }
 
     if (data[1] & 0x04) {
         input_report_key(input, BTN_TOOL_RUBBER, data[1] & 0x20);
         input_report_key(input, BTN_TOUCH, data[1] & 0x08);
         wacom->id[0] = ERASER_DEVICE_ID;
     } else {
         input_report_key(input, BTN_TOOL_PEN, data[1] & 0x20);
         input_report_key(input, BTN_TOUCH, data[1] & 0x01);
         wacom->id[0] = STYLUS_DEVICE_ID;
     }
     input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
     input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
     input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
     input_report_abs(input, ABS_PRESSURE, le16_to_cpup((__le16 *)&data[6]));
     input_report_key(input, BTN_STYLUS, data[1] & 0x02);
     input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
     return 1;
 }
 
 static int wacom_dtu_irq(struct wacom_wac *wacom)
 {
     unsigned char *data = wacom->data;
     struct input_dev *input = wacom->pen_input;
     int prox = data[1] & 0x20;
 
     dev_dbg(input->dev.parent,
         "%s: received report #%d", __func__, data[0]);
 
     if (prox) {
         /* Going into proximity select tool */
         wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
         if (wacom->tool[0] == BTN_TOOL_PEN)
             wacom->id[0] = STYLUS_DEVICE_ID;
         else
             wacom->id[0] = ERASER_DEVICE_ID;
     }
     input_report_key(input, BTN_STYLUS, data[1] & 0x02);
     input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
     input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
     input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
     input_report_abs(input, ABS_PRESSURE, ((data[7] & 0x01) << 8) | data[6]);
     input_report_key(input, BTN_TOUCH, data[1] & 0x05);
     if (!prox) /* out-prox */
         wacom->id[0] = 0;
     input_report_key(input, wacom->tool[0], prox);
     input_report_abs(input, ABS_MISC, wacom->id[0]);
     return 1;
 }
 
 static int wacom_dtus_irq(struct wacom_wac *wacom)
 {
     unsigned char *data = wacom->data;
     struct input_dev *input = wacom->pen_input;
     unsigned short prox, pressure = 0;
 
     if (data[0] != WACOM_REPORT_DTUS && data[0] != WACOM_REPORT_DTUSPAD) {
         dev_dbg(input->dev.parent,
             "%s: received unknown report #%d", __func__, data[0]);
         return 0;
     } else if (data[0] == WACOM_REPORT_DTUSPAD) {
         input = wacom->pad_input;
         input_report_key(input, BTN_0, (data[1] & 0x01));
         input_report_key(input, BTN_1, (data[1] & 0x02));
         input_report_key(input, BTN_2, (data[1] & 0x04));
         input_report_key(input, BTN_3, (data[1] & 0x08));
         input_report_abs(input, ABS_MISC,
                  data[1] & 0x0f ? PAD_DEVICE_ID : 0);
         return 1;
     } else {
         prox = data[1] & 0x80;
         if (prox) {
             switch ((data[1] >> 3) & 3) {
             case 1: /* Rubber */
                 wacom->tool[0] = BTN_TOOL_RUBBER;
                 wacom->id[0] = ERASER_DEVICE_ID;
                 break;
 
             case 2: /* Pen */
                 wacom->tool[0] = BTN_TOOL_PEN;
                 wacom->id[0] = STYLUS_DEVICE_ID;
                 break;
             }
         }
 
         input_report_key(input, BTN_STYLUS, data[1] & 0x20);
         input_report_key(input, BTN_STYLUS2, data[1] & 0x40);
         input_report_abs(input, ABS_X, get_unaligned_be16(&data[3]));
         input_report_abs(input, ABS_Y, get_unaligned_be16(&data[5]));
         pressure = ((data[1] & 0x03) << 8) | (data[2] & 0xff);
         input_report_abs(input, ABS_PRESSURE, pressure);
         input_report_key(input, BTN_TOUCH, pressure > 10);
 
         if (!prox) /* out-prox */
             wacom->id[0] = 0;
         input_report_key(input, wacom->tool[0], prox);
         input_report_abs(input, ABS_MISC, wacom->id[0]);
         return 1;
     }
 }
 
 static int wacom_graphire_irq(struct wacom_wac *wacom)
 {
     struct wacom_features *features = &wacom->features;
     unsigned char *data = wacom->data;
     struct input_dev *input = wacom->pen_input;
     struct input_dev *pad_input = wacom->pad_input;
     int battery_capacity, ps_connected;
     int prox;
     int rw = 0;
     int retval = 0;
 
     if (features->type == GRAPHIRE_BT) {
         if (data[0] != WACOM_REPORT_PENABLED_BT) {
             dev_dbg(input->dev.parent,
                 "%s: received unknown report #%d\n", __func__,
                 data[0]);
             goto exit;
         }
     } else if (data[0] != WACOM_REPORT_PENABLED) {
         dev_dbg(input->dev.parent,
             "%s: received unknown report #%d\n", __func__, data[0]);
         goto exit;
     }
 
     prox = data[1] & 0x80;
     if (prox || wacom->id[0]) {
         if (prox) {
             switch ((data[1] >> 5) & 3) {
 
             case 0: /* Pen */
                 wacom->tool[0] = BTN_TOOL_PEN;
                 wacom->id[0] = STYLUS_DEVICE_ID;
                 break;
 
             case 1: /* Rubber */
                 wacom->tool[0] = BTN_TOOL_RUBBER;
                 wacom->id[0] = ERASER_DEVICE_ID;
                 break;
 
             case 2: /* Mouse with wheel */
                 input_report_key(input, BTN_MIDDLE, data[1] & 0x04);
                 fallthrough;
 
             case 3: /* Mouse without wheel */
                 wacom->tool[0] = BTN_TOOL_MOUSE;
                 wacom->id[0] = CURSOR_DEVICE_ID;
                 break;
             }
         }
         input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
         input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
         if (wacom->tool[0] != BTN_TOOL_MOUSE) {
             if (features->type == GRAPHIRE_BT)
                 input_report_abs(input, ABS_PRESSURE, data[6] |
                     (((__u16) (data[1] & 0x08)) << 5));
             else
                 input_report_abs(input, ABS_PRESSURE, data[6] |
                     ((data[7] & 0x03) << 8));
             input_report_key(input, BTN_TOUCH, data[1] & 0x01);
             input_report_key(input, BTN_STYLUS, data[1] & 0x02);
             input_report_key(input, BTN_STYLUS2, data[1] & 0x04);
         } else {
             input_report_key(input, BTN_LEFT, data[1] & 0x01);
             input_report_key(input, BTN_RIGHT, data[1] & 0x02);
             if (features->type == WACOM_G4 ||
                     features->type == WACOM_MO) {
                 input_report_abs(input, ABS_DISTANCE, data[6] & 0x3f);
                 rw = (data[7] & 0x04) - (data[7] & 0x03);
             } else if (features->type == GRAPHIRE_BT) {
                 /* Compute distance between mouse and tablet */
                 rw = 44 - (data[6] >> 2);
                 rw = clamp_val(rw, 0, 31);
                 input_report_abs(input, ABS_DISTANCE, rw);
                 if (((data[1] >> 5) & 3) == 2) {
                     /* Mouse with wheel */
                     input_report_key(input, BTN_MIDDLE,
                             data[1] & 0x04);
                     rw = (data[6] & 0x01) ? -1 :
                         (data[6] & 0x02) ? 1 : 0;
                 } else {
                     rw = 0;
                 }
             } else {
                 input_report_abs(input, ABS_DISTANCE, data[7] & 0x3f);
                 rw = -(signed char)data[6];
             }
             input_report_rel(input, REL_WHEEL, rw);
         }
 
         if (!prox)
             wacom->id[0] = 0;
         input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
         input_report_key(input, wacom->tool[0], prox);
         input_sync(input); /* sync last event */
     }
 
     /* send pad data */
     switch (features->type) {
     case WACOM_G4:
         prox = data[7] & 0xf8;
         if (prox || wacom->id[1]) {
             wacom->id[1] = PAD_DEVICE_ID;
             input_report_key(pad_input, BTN_BACK, (data[7] & 0x40));
             input_report_key(pad_input, BTN_FORWARD, (data[7] & 0x80));
             rw = ((data[7] & 0x18) >> 3) - ((data[7] & 0x20) >> 3);
             input_report_rel(pad_input, REL_WHEEL, rw);
             if (!prox)
                 wacom->id[1] = 0;
             input_report_abs(pad_input, ABS_MISC, wacom->id[1]);
             retval = 1;
         }
         break;
 
     case WACOM_MO:
         prox = (data[7] & 0xf8) || data[8];
         if (prox || wacom->id[1]) {
             wacom->id[1] = PAD_DEVICE_ID;
             input_report_key(pad_input, BTN_BACK, (data[7] & 0x08));
             input_report_key(pad_input, BTN_LEFT, (data[7] & 0x20));
             input_report_key(pad_input, BTN_FORWARD, (data[7] & 0x10));
             input_report_key(pad_input, BTN_RIGHT, (data[7] & 0x40));
             input_report_abs(pad_input, ABS_WHEEL, (data[8] & 0x7f));
             if (!prox)
                 wacom->id[1] = 0;
             input_report_abs(pad_input, ABS_MISC, wacom->id[1]);
             retval = 1;
         }
         break;
     case GRAPHIRE_BT:
         prox = data[7] & 0x03;
         if (prox || wacom->id[1]) {
             wacom->id[1] = PAD_DEVICE_ID;
             input_report_key(pad_input, BTN_0, (data[7] & 0x02));
             input_report_key(pad_input, BTN_1, (data[7] & 0x01));
             if (!prox)
                 wacom->id[1] = 0;
             input_report_abs(pad_input, ABS_MISC, wacom->id[1]);
             retval = 1;
         }
         break;
     }
 
     /* Store current battery capacity and power supply state */
     if (features->type == GRAPHIRE_BT) {
         rw = (data[7] >> 2 & 0x07);
         battery_capacity = batcap_gr[rw];
         ps_connected = rw == 7;
         wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
                      battery_capacity, ps_connected, 1,
                      ps_connected);
     }
 exit:
     return retval;
 }
 
 static void wacom_intuos_schedule_prox_event(struct wacom_wac *wacom_wac)
 {
     struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
     struct wacom_features *features = &wacom_wac->features;
     struct hid_report *r;
     struct hid_report_enum *re;
 
     re = &(wacom->hdev->report_enum[HID_FEATURE_REPORT]);
     if (features->type == INTUOSHT2)
         r = re->report_id_hash[WACOM_REPORT_INTUOSHT2_ID];
     else
         r = re->report_id_hash[WACOM_REPORT_INTUOS_ID1];
     if (r) {
         hid_hw_request(wacom->hdev, r, HID_REQ_GET_REPORT);
     }
 }
 
 static int wacom_intuos_pad(struct wacom_wac *wacom)
 {
     struct wacom_features *features = &wacom->features;
     unsigned char *data = wacom->data;
     struct input_dev *input = wacom->pad_input;
     int i;
     int buttons = 0, nbuttons = features->numbered_buttons;
     int keys = 0, nkeys = 0;
     int ring1 = 0, ring2 = 0;
     int strip1 = 0, strip2 = 0;
     bool prox = false;
     bool wrench = false, keyboard = false, mute_touch = false, menu = false,
          info = false;
 
     /* pad packets. Works as a second tool and is always in prox */
     if (!(data[0] == WACOM_REPORT_INTUOSPAD || data[0] == WACOM_REPORT_INTUOS5PAD ||
           data[0] == WACOM_REPORT_CINTIQPAD))
         return 0;
 
     if (features->type >= INTUOS4S && features->type <= INTUOS4L) {
         buttons = (data[3] << 1) | (data[2] & 0x01);
         ring1 = data[1];
     } else if (features->type == DTK) {
         buttons = data[6];
     } else if (features->type == WACOM_13HD) {
         buttons = (data[4] << 1) | (data[3] & 0x01);
     } else if (features->type == WACOM_24HD) {
         buttons = (data[8] << 8) | data[6];
         ring1 = data[1];
         ring2 = data[2];
 
         /*
          * Three "buttons" are available on the 24HD which are
          * physically implemented as a touchstrip. Each button
          * is approximately 3 bits wide with a 2 bit spacing.
          * The raw touchstrip bits are stored at:
          *    ((data[3] & 0x1f) << 8) | data[4])
          */
         nkeys = 3;
         keys = ((data[3] & 0x1C) ? 1<<2 : 0) |
                ((data[4] & 0xE0) ? 1<<1 : 0) |
                ((data[4] & 0x07) ? 1<<0 : 0);
         keyboard = !!(data[4] & 0xE0);
         info = !!(data[3] & 0x1C);
 
         if (features->oPid) {
             mute_touch = !!(data[4] & 0x07);
             if (mute_touch)
                 wacom->shared->is_touch_on =
                     !wacom->shared->is_touch_on;
         } else {
             wrench = !!(data[4] & 0x07);
         }
     } else if (features->type == WACOM_27QHD) {
         nkeys = 3;
         keys = data[2] & 0x07;
 
         wrench = !!(data[2] & 0x01);
         keyboard = !!(data[2] & 0x02);
 
         if (features->oPid) {
             mute_touch = !!(data[2] & 0x04);
             if (mute_touch)
                 wacom->shared->is_touch_on =
                     !wacom->shared->is_touch_on;
         } else {
             menu = !!(data[2] & 0x04);
         }
         input_report_abs(input, ABS_X, be16_to_cpup((__be16 *)&data[4]));
         input_report_abs(input, ABS_Y, be16_to_cpup((__be16 *)&data[6]));
         input_report_abs(input, ABS_Z, be16_to_cpup((__be16 *)&data[8]));
     } else if (features->type == CINTIQ_HYBRID) {
         /*
          * Do not send hardware buttons under Android. They
          * are already sent to the system through GPIO (and
          * have different meaning).
          *
          * d-pad right  -> data[4] & 0x10
          * d-pad up     -> data[4] & 0x20
          * d-pad left   -> data[4] & 0x40
          * d-pad down   -> data[4] & 0x80
          * d-pad center -> data[3] & 0x01
          */
         buttons = (data[4] << 1) | (data[3] & 0x01);
     } else if (features->type == CINTIQ_COMPANION_2) {
         /* d-pad right  -> data[2] & 0x10
          * d-pad up     -> data[2] & 0x20
          * d-pad left   -> data[2] & 0x40
          * d-pad down   -> data[2] & 0x80
          * d-pad center -> data[1] & 0x01
          */
         buttons = ((data[2] >> 4) << 7) |
                   ((data[1] & 0x04) << 4) |
                   ((data[2] & 0x0F) << 2) |
                   (data[1] & 0x03);
     } else if (features->type >= INTUOS5S && features->type <= INTUOSPL) {
         /*
          * ExpressKeys on Intuos5/Intuos Pro have a capacitive sensor in
          * addition to the mechanical switch. Switch data is
          * stored in data[4], capacitive data in data[5].
          *
          * Touch ring mode switch (data[3]) has no capacitive sensor
          */
         buttons = (data[4] << 1) | (data[3] & 0x01);
         ring1 = data[2];
     } else {
         if (features->type == WACOM_21UX2 || features->type == WACOM_22HD) {
             buttons = (data[8] << 10) | ((data[7] & 0x01) << 9) |
                       (data[6] << 1) | (data[5] & 0x01);
 
             if (features->type == WACOM_22HD) {
                 nkeys = 3;
                 keys = data[9] & 0x07;
 
                 info = !!(data[9] & 0x01);
                 wrench = !!(data[9] & 0x02);
             }
         } else {
             buttons = ((data[6] & 0x10) << 5)  |
                       ((data[5] & 0x10) << 4)  |
                       ((data[6] & 0x0F) << 4)  |
                       (data[5] & 0x0F);
         }
         strip1 = ((data[1] & 0x1f) << 8) | data[2];
         strip2 = ((data[3] & 0x1f) << 8) | data[4];
     }
 
     prox = (buttons & ~(~0U << nbuttons)) | (keys & ~(~0U << nkeys)) |
            (ring1 & 0x80) | (ring2 & 0x80) | strip1 | strip2;
 
     wacom_report_numbered_buttons(input, nbuttons, buttons);
 
     for (i = 0; i < nkeys; i++)
         input_report_key(input, KEY_PROG1 + i, keys & (1 << i));
 
     input_report_key(input, KEY_BUTTONCONFIG, wrench);
     input_report_key(input, KEY_ONSCREEN_KEYBOARD, keyboard);
     input_report_key(input, KEY_CONTROLPANEL, menu);
     input_report_key(input, KEY_INFO, info);
 
     if (wacom->shared && wacom->shared->touch_input) {
         input_report_switch(wacom->shared->touch_input,
                     SW_MUTE_DEVICE,
                     !wacom->shared->is_touch_on);
         input_sync(wacom->shared->touch_input);
     }
 
     input_report_abs(input, ABS_RX, strip1);
     input_report_abs(input, ABS_RY, strip2);
 
     input_report_abs(input, ABS_WHEEL,    (ring1 & 0x80) ? (ring1 & 0x7f) : 0);
     input_report_abs(input, ABS_THROTTLE, (ring2 & 0x80) ? (ring2 & 0x7f) : 0);
 
     input_report_key(input, wacom->tool[1], prox ? 1 : 0);
     input_report_abs(input, ABS_MISC, prox ? PAD_DEVICE_ID : 0);
 
     input_event(input, EV_MSC, MSC_SERIAL, 0xffffffff);
 
     return 1;
 }
 
 static int wacom_intuos_id_mangle(int tool_id)
 {
     return (tool_id & ~0xFFF) << 4 | (tool_id & 0xFFF);
 }
 
 static bool wacom_is_art_pen(int tool_id)
 {
     bool is_art_pen = false;
 
     switch (tool_id) {
     case 0x885: /* Intuos3 Marker Pen */
     case 0x804: /* Intuos4/5 13HD/24HD Marker Pen */
     case 0x10804:   /* Intuos4/5 13HD/24HD Art Pen */
         is_art_pen = true;
         break;
     }
     return is_art_pen;
 }
 
 static int wacom_intuos_get_tool_type(int tool_id)
 {
     int tool_type = BTN_TOOL_PEN;
 
     if (wacom_is_art_pen(tool_id))
         return tool_type;
 
     switch (tool_id) {
     case 0x812: /* Inking pen */
     case 0x801: /* Intuos3 Inking pen */
     case 0x12802: /* Intuos4/5 Inking Pen */
     case 0x012:
         tool_type = BTN_TOOL_PENCIL;
         break;
 
     case 0x822: /* Pen */
     case 0x842:
     case 0x852:
     case 0x823: /* Intuos3 Grip Pen */
     case 0x813: /* Intuos3 Classic Pen */
     case 0x802: /* Intuos4/5 13HD/24HD General Pen */
     case 0x8e2: /* IntuosHT2 pen */
     case 0x022:
     case 0x10842: /* MobileStudio Pro Pro Pen slim */
     case 0x14802: /* Intuos4/5 13HD/24HD Classic Pen */
     case 0x16802: /* Cintiq 13HD Pro Pen */
     case 0x18802: /* DTH2242 Pen */
     case 0x10802: /* Intuos4/5 13HD/24HD General Pen */
         tool_type = BTN_TOOL_PEN;
         break;
 
     case 0x832: /* Stroke pen */
     case 0x032:
         tool_type = BTN_TOOL_BRUSH;
         break;
 
     case 0x007: /* Mouse 4D and 2D */
     case 0x09c:
     case 0x094:
     case 0x017: /* Intuos3 2D Mouse */
     case 0x806: /* Intuos4 Mouse */
         tool_type = BTN_TOOL_MOUSE;
         break;
 
     case 0x096: /* Lens cursor */
     case 0x097: /* Intuos3 Lens cursor */
     case 0x006: /* Intuos4 Lens cursor */
         tool_type = BTN_TOOL_LENS;
         break;
 
     case 0x82a: /* Eraser */
     case 0x84a:
     case 0x85a:
     case 0x91a:
     case 0xd1a:
     case 0x0fa:
     case 0x82b: /* Intuos3 Grip Pen Eraser */
     case 0x81b: /* Intuos3 Classic Pen Eraser */
     case 0x91b: /* Intuos3 Airbrush Eraser */
     case 0x80c: /* Intuos4/5 13HD/24HD Marker Pen Eraser */
     case 0x80a: /* Intuos4/5 13HD/24HD General Pen Eraser */
     case 0x90a: /* Intuos4/5 13HD/24HD Airbrush Eraser */
     case 0x1480a: /* Intuos4/5 13HD/24HD Classic Pen Eraser */
     case 0x1090a: /* Intuos4/5 13HD/24HD Airbrush Eraser */
     case 0x1080c: /* Intuos4/5 13HD/24HD Art Pen Eraser */
     case 0x1084a: /* MobileStudio Pro Pro Pen slim Eraser */
     case 0x1680a: /* Cintiq 13HD Pro Pen Eraser */
     case 0x1880a: /* DTH2242 Eraser */
     case 0x1080a: /* Intuos4/5 13HD/24HD General Pen Eraser */
         tool_type = BTN_TOOL_RUBBER;
         break;
 
     case 0xd12:
     case 0x912:
     case 0x112:
     case 0x913: /* Intuos3 Airbrush */
     case 0x902: /* Intuos4/5 13HD/24HD Airbrush */
     case 0x10902: /* Intuos4/5 13HD/24HD Airbrush */
         tool_type = BTN_TOOL_AIRBRUSH;
         break;
     }
     return tool_type;
 }
 
 static void wacom_exit_report(struct wacom_wac *wacom)
 {
     struct input_dev *input = wacom->pen_input;
     struct wacom_features *features = &wacom->features;
     unsigned char *data = wacom->data;
     int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0;
 
     /*
      * Reset all states otherwise we lose the initial states
      * when in-prox next time
      */
     input_report_abs(input, ABS_X, 0);
     input_report_abs(input, ABS_Y, 0);
     input_report_abs(input, ABS_DISTANCE, 0);
     input_report_abs(input, ABS_TILT_X, 0);
     input_report_abs(input, ABS_TILT_Y, 0);
     if (wacom->tool[idx] >= BTN_TOOL_MOUSE) {
         input_report_key(input, BTN_LEFT, 0);
         input_report_key(input, BTN_MIDDLE, 0);
         input_report_key(input, BTN_RIGHT, 0);
         input_report_key(input, BTN_SIDE, 0);
         input_report_key(input, BTN_EXTRA, 0);
         input_report_abs(input, ABS_THROTTLE, 0);
         input_report_abs(input, ABS_RZ, 0);
     } else {
         input_report_abs(input, ABS_PRESSURE, 0);
         input_report_key(input, BTN_STYLUS, 0);
         input_report_key(input, BTN_STYLUS2, 0);
         input_report_key(input, BTN_TOUCH, 0);
         input_report_abs(input, ABS_WHEEL, 0);
         if (features->type >= INTUOS3S)
             input_report_abs(input, ABS_Z, 0);
     }
     input_report_key(input, wacom->tool[idx], 0);
     input_report_abs(input, ABS_MISC, 0); /* reset tool id */
     input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
     wacom->id[idx] = 0;
 }
 
 static int wacom_intuos_inout(struct wacom_wac *wacom)
 {
     struct wacom_features *features = &wacom->features;
     unsigned char *data = wacom->data;
     struct input_dev *input = wacom->pen_input;
     int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0;
 
     if (!(((data[1] & 0xfc) == 0xc0) ||  /* in prox */
         ((data[1] & 0xfe) == 0x20) ||    /* in range */
         ((data[1] & 0xfe) == 0x80)))     /* out prox */
         return 0;
 
     /* Enter report */
     if ((data[1] & 0xfc) == 0xc0) {
         /* serial number of the tool */
         wacom->serial[idx] = ((data[3] & 0x0f) << 28) +
             (data[4] << 20) + (data[5] << 12) +
             (data[6] << 4) + (data[7] >> 4);
 
         wacom->id[idx] = (data[2] << 4) | (data[3] >> 4) |
              ((data[7] & 0x0f) << 16) | ((data[8] & 0xf0) << 8);
 
         wacom->tool[idx] = wacom_intuos_get_tool_type(wacom->id[idx]);
 
         wacom->shared->stylus_in_proximity = true;
         return 1;
     }
 
     /* in Range */
     if ((data[1] & 0xfe) == 0x20) {
         if (features->type != INTUOSHT2)
             wacom->shared->stylus_in_proximity = true;
 
         /* in Range while exiting */
         if (wacom->reporting_data) {
             input_report_key(input, BTN_TOUCH, 0);
             input_report_abs(input, ABS_PRESSURE, 0);
             input_report_abs(input, ABS_DISTANCE, wacom->features.distance_max);
             return 2;
         }
         return 1;
     }
 
     /* Exit report */
     if ((data[1] & 0xfe) == 0x80) {
         wacom->shared->stylus_in_proximity = false;
         wacom->reporting_data = false;
 
         /* don't report exit if we don't know the ID */
         if (!wacom->id[idx])
             return 1;
 
         wacom_exit_report(wacom);
         return 2;
     }
 
     return 0;
 }
 
 static inline bool touch_is_muted(struct wacom_wac *wacom_wac)
 {
     return wacom_wac->probe_complete &&
            wacom_wac->shared->has_mute_touch_switch &&
            !wacom_wac->shared->is_touch_on;
 }
 
 static inline bool report_touch_events(struct wacom_wac *wacom)
 {
     return (touch_arbitration ? !wacom->shared->stylus_in_proximity : 1);
 }
 
 static inline bool delay_pen_events(struct wacom_wac *wacom)
 {
     return (wacom->shared->touch_down && touch_arbitration);
 }
 
 static int wacom_intuos_general(struct wacom_wac *wacom)
 {
     struct wacom_features *features = &wacom->features;
     unsigned char *data = wacom->data;
     struct input_dev *input = wacom->pen_input;
     int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0;
     unsigned char type = (data[1] >> 1) & 0x0F;
     unsigned int x, y, distance, t;
 
     if (data[0] != WACOM_REPORT_PENABLED && data[0] != WACOM_REPORT_CINTIQ &&
         data[0] != WACOM_REPORT_INTUOS_PEN)
         return 0;
 
     if (delay_pen_events(wacom))
         return 1;
 
     /* don't report events if we don't know the tool ID */
     if (!wacom->id[idx]) {
         /* but reschedule a read of the current tool */
         wacom_intuos_schedule_prox_event(wacom);
         return 1;
     }
 
     /*
      * don't report events for invalid data
      */
     /* older I4 styli don't work with new Cintiqs */
     if ((!((wacom->id[idx] >> 16) & 0x01) &&
             (features->type == WACOM_21UX2)) ||
         /* Only large Intuos support Lense Cursor */
         (wacom->tool[idx] == BTN_TOOL_LENS &&
         (features->type == INTUOS3 ||
          features->type == INTUOS3S ||
          features->type == INTUOS4 ||
          features->type == INTUOS4S ||
          features->type == INTUOS5 ||
          features->type == INTUOS5S ||
          features->type == INTUOSPM ||
          features->type == INTUOSPS)) ||
        /* Cintiq doesn't send data when RDY bit isn't set */
        (features->type == CINTIQ && !(data[1] & 0x40)))
         return 1;
 
     x = (be16_to_cpup((__be16 *)&data[2]) << 1) | ((data[9] >> 1) & 1);
     y = (be16_to_cpup((__be16 *)&data[4]) << 1) | (data[9] & 1);
     distance = data[9] >> 2;
     if (features->type < INTUOS3S) {
         x >>= 1;
         y >>= 1;
         distance >>= 1;
     }
     if (features->type == INTUOSHT2)
         distance = features->distance_max - distance;
     input_report_abs(input, ABS_X, x);
     input_report_abs(input, ABS_Y, y);
     input_report_abs(input, ABS_DISTANCE, distance);
 
     switch (type) {
     case 0x00:
     case 0x01:
     case 0x02:
     case 0x03:
         /* general pen packet */
         t = (data[6] << 3) | ((data[7] & 0xC0) >> 5) | (data[1] & 1);
         if (features->pressure_max < 2047)
             t >>= 1;
         input_report_abs(input, ABS_PRESSURE, t);
         if (features->type != INTUOSHT2) {
             input_report_abs(input, ABS_TILT_X,
                  (((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
             input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
         }
         input_report_key(input, BTN_STYLUS, data[1] & 2);
         input_report_key(input, BTN_STYLUS2, data[1] & 4);
         input_report_key(input, BTN_TOUCH, t > 10);
         break;
 
     case 0x0a:
         /* airbrush second packet */
         input_report_abs(input, ABS_WHEEL,
                 (data[6] << 2) | ((data[7] >> 6) & 3));
         input_report_abs(input, ABS_TILT_X,
                  (((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
         input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
         break;
 
     case 0x05:
         /* Rotation packet */
         if (features->type >= INTUOS3S) {
             /* I3 marker pen rotation */
             t = (data[6] << 3) | ((data[7] >> 5) & 7);
             t = (data[7] & 0x20) ? ((t > 900) ? ((t-1) / 2 - 1350) :
                 ((t-1) / 2 + 450)) : (450 - t / 2) ;
             input_report_abs(input, ABS_Z, t);
         } else {
             /* 4D mouse 2nd packet */
             t = (data[6] << 3) | ((data[7] >> 5) & 7);
             input_report_abs(input, ABS_RZ, (data[7] & 0x20) ?
                 ((t - 1) / 2) : -t / 2);
         }
         break;
 
     case 0x04:
         /* 4D mouse 1st packet */
         input_report_key(input, BTN_LEFT,   data[8] & 0x01);
         input_report_key(input, BTN_MIDDLE, data[8] & 0x02);
         input_report_key(input, BTN_RIGHT,  data[8] & 0x04);
 
         input_report_key(input, BTN_SIDE,   data[8] & 0x20);
         input_report_key(input, BTN_EXTRA,  data[8] & 0x10);
         t = (data[6] << 2) | ((data[7] >> 6) & 3);
         input_report_abs(input, ABS_THROTTLE, (data[8] & 0x08) ? -t : t);
         break;
 
     case 0x06:
         /* I4 mouse */
         input_report_key(input, BTN_LEFT,   data[6] & 0x01);
         input_report_key(input, BTN_MIDDLE, data[6] & 0x02);
         input_report_key(input, BTN_RIGHT,  data[6] & 0x04);
         input_report_rel(input, REL_WHEEL, ((data[7] & 0x80) >> 7)
                  - ((data[7] & 0x40) >> 6));
         input_report_key(input, BTN_SIDE,   data[6] & 0x08);
         input_report_key(input, BTN_EXTRA,  data[6] & 0x10);
 
         input_report_abs(input, ABS_TILT_X,
             (((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
         input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
         break;
 
     case 0x08:
         if (wacom->tool[idx] == BTN_TOOL_MOUSE) {
             /* 2D mouse packet */
             input_report_key(input, BTN_LEFT,   data[8] & 0x04);
             input_report_key(input, BTN_MIDDLE, data[8] & 0x08);
             input_report_key(input, BTN_RIGHT,  data[8] & 0x10);
             input_report_rel(input, REL_WHEEL, (data[8] & 0x01)
                      - ((data[8] & 0x02) >> 1));
 
             /* I3 2D mouse side buttons */
             if (features->type >= INTUOS3S && features->type <= INTUOS3L) {
                 input_report_key(input, BTN_SIDE,   data[8] & 0x40);
                 input_report_key(input, BTN_EXTRA,  data[8] & 0x20);
             }
         }
         else if (wacom->tool[idx] == BTN_TOOL_LENS) {
             /* Lens cursor packets */
             input_report_key(input, BTN_LEFT,   data[8] & 0x01);
             input_report_key(input, BTN_MIDDLE, data[8] & 0x02);
             input_report_key(input, BTN_RIGHT,  data[8] & 0x04);
             input_report_key(input, BTN_SIDE,   data[8] & 0x10);
             input_report_key(input, BTN_EXTRA,  data[8] & 0x08);
         }
         break;
 
     case 0x07:
     case 0x09:
     case 0x0b:
     case 0x0c:
     case 0x0d:
     case 0x0e:
     case 0x0f:
         /* unhandled */
         break;
     }
 
     input_report_abs(input, ABS_MISC,
              wacom_intuos_id_mangle(wacom->id[idx])); /* report tool id */
     input_report_key(input, wacom->tool[idx], 1);
     input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
     wacom->reporting_data = true;
     return 2;
 }
 
 static int wacom_intuos_irq(struct wacom_wac *wacom)
 {
     unsigned char *data = wacom->data;
     struct input_dev *input = wacom->pen_input;
     int result;
 
     if (data[0] != WACOM_REPORT_PENABLED &&
         data[0] != WACOM_REPORT_INTUOS_ID1 &&
         data[0] != WACOM_REPORT_INTUOS_ID2 &&
         data[0] != WACOM_REPORT_INTUOSPAD &&
         data[0] != WACOM_REPORT_INTUOS_PEN &&
         data[0] != WACOM_REPORT_CINTIQ &&
         data[0] != WACOM_REPORT_CINTIQPAD &&
         data[0] != WACOM_REPORT_INTUOS5PAD) {
         dev_dbg(input->dev.parent,
             "%s: received unknown report #%d\n", __func__, data[0]);
                 return 0;
     }
 
     /* process pad events */
     result = wacom_intuos_pad(wacom);
     if (result)
         return result;
 
     /* process in/out prox events */
     result = wacom_intuos_inout(wacom);
     if (result)
         return result - 1;
 
     /* process general packets */
     result = wacom_intuos_general(wacom);
     if (result)
         return result - 1;
 
     return 0;
 }
 
 static int wacom_remote_irq(struct wacom_wac *wacom_wac, size_t len)
 {
     unsigned char *data = wacom_wac->data;
     struct input_dev *input;
     struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
     struct wacom_remote *remote = wacom->remote;
     int bat_charging, bat_percent, touch_ring_mode;
     __u32 serial;
     int i, index = -1;
     unsigned long flags;
 
     if (data[0] != WACOM_REPORT_REMOTE) {
         hid_dbg(wacom->hdev, "%s: received unknown report #%d",
             __func__, data[0]);
         return 0;
     }
 
     serial = data[3] + (data[4] << 8) + (data[5] << 16);
     wacom_wac->id[0] = PAD_DEVICE_ID;
 
     spin_lock_irqsave(&remote->remote_lock, flags);
 
     for (i = 0; i < WACOM_MAX_REMOTES; i++) {
         if (remote->remotes[i].serial == serial) {
             index = i;
             break;
         }
     }
 
     if (index < 0 || !remote->remotes[index].registered)
         goto out;
 
     input = remote->remotes[index].input;
 
     input_report_key(input, BTN_0, (data[9] & 0x01));
     input_report_key(input, BTN_1, (data[9] & 0x02));
     input_report_key(input, BTN_2, (data[9] & 0x04));
     input_report_key(input, BTN_3, (data[9] & 0x08));
     input_report_key(input, BTN_4, (data[9] & 0x10));
     input_report_key(input, BTN_5, (data[9] & 0x20));
     input_report_key(input, BTN_6, (data[9] & 0x40));
     input_report_key(input, BTN_7, (data[9] & 0x80));
 
     input_report_key(input, BTN_8, (data[10] & 0x01));
     input_report_key(input, BTN_9, (data[10] & 0x02));
     input_report_key(input, BTN_A, (data[10] & 0x04));
     input_report_key(input, BTN_B, (data[10] & 0x08));
     input_report_key(input, BTN_C, (data[10] & 0x10));
     input_report_key(input, BTN_X, (data[10] & 0x20));
     input_report_key(input, BTN_Y, (data[10] & 0x40));
     input_report_key(input, BTN_Z, (data[10] & 0x80));
 
     input_report_key(input, BTN_BASE, (data[11] & 0x01));
     input_report_key(input, BTN_BASE2, (data[11] & 0x02));
 
     if (data[12] & 0x80)
         input_report_abs(input, ABS_WHEEL, (data[12] & 0x7f) - 1);
     else
         input_report_abs(input, ABS_WHEEL, 0);
 
     bat_percent = data[7] & 0x7f;
     bat_charging = !!(data[7] & 0x80);
 
     if (data[9] | data[10] | (data[11] & 0x03) | data[12])
         input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
     else
         input_report_abs(input, ABS_MISC, 0);
 
     input_event(input, EV_MSC, MSC_SERIAL, serial);
 
     input_sync(input);
 
     /*Which mode select (LED light) is currently on?*/
     touch_ring_mode = (data[11] & 0xC0) >> 6;
 
     for (i = 0; i < WACOM_MAX_REMOTES; i++) {
         if (remote->remotes[i].serial == serial)
             wacom->led.groups[i].select = touch_ring_mode;
     }
 
     __wacom_notify_battery(&remote->remotes[index].battery,
                 WACOM_POWER_SUPPLY_STATUS_AUTO, bat_percent,
                 bat_charging, 1, bat_charging);
 
 out:
     spin_unlock_irqrestore(&remote->remote_lock, flags);
     return 0;
 }
 
 static void wacom_remote_status_irq(struct wacom_wac *wacom_wac, size_t len)
 {
     struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
     unsigned char *data = wacom_wac->data;
     struct wacom_remote *remote = wacom->remote;
     struct wacom_remote_data remote_data;
     unsigned long flags;
     int i, ret;
 
     if (data[0] != WACOM_REPORT_DEVICE_LIST)
         return;
 
     memset(&remote_data, 0, sizeof(struct wacom_remote_data));
 
     for (i = 0; i < WACOM_MAX_REMOTES; i++) {
         int j = i * 6;
         int serial = (data[j+6] << 16) + (data[j+5] << 8) + data[j+4];
         bool connected = data[j+2];
 
         remote_data.remote[i].serial = serial;
         remote_data.remote[i].connected = connected;
     }
 
     spin_lock_irqsave(&remote->remote_lock, flags);
 
     ret = kfifo_in(&remote->remote_fifo, &remote_data, sizeof(remote_data));
     if (ret != sizeof(remote_data)) {
         spin_unlock_irqrestore(&remote->remote_lock, flags);
         hid_err(wacom->hdev, "Can't queue Remote status event.\n");
         return;
     }
 
     spin_unlock_irqrestore(&remote->remote_lock, flags);
 
     wacom_schedule_work(wacom_wac, WACOM_WORKER_REMOTE);
 }
 
 static int int_dist(int x1, int y1, int x2, int y2)
 {
     int x = x2 - x1;
     int y = y2 - y1;
 
     return int_sqrt(x*x + y*y);
 }
 
 static void wacom_intuos_bt_process_data(struct wacom_wac *wacom,
         unsigned char *data)
 {
     memcpy(wacom->data, data, 10);
     wacom_intuos_irq(wacom);
 
     input_sync(wacom->pen_input);
     if (wacom->pad_input)
         input_sync(wacom->pad_input);
 }
 
 static int wacom_intuos_bt_irq(struct wacom_wac *wacom, size_t len)
 {
     unsigned char data[WACOM_PKGLEN_MAX];
     int i = 1;
     unsigned power_raw, battery_capacity, bat_charging, ps_connected;
 
     memcpy(data, wacom->data, len);
 
     switch (data[0]) {
     case 0x04:
         wacom_intuos_bt_process_data(wacom, data + i);
         i += 10;
         fallthrough;
     case 0x03:
         wacom_intuos_bt_process_data(wacom, data + i);
         i += 10;
         wacom_intuos_bt_process_data(wacom, data + i);
         i += 10;
         power_raw = data[i];
         bat_charging = (power_raw & 0x08) ? 1 : 0;
         ps_connected = (power_raw & 0x10) ? 1 : 0;
         battery_capacity = batcap_i4[power_raw & 0x07];
         wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
                      battery_capacity, bat_charging,
                      battery_capacity || bat_charging,
                      ps_connected);
         break;
     default:
         dev_dbg(wacom->pen_input->dev.parent,
                 "Unknown report: %d,%d size:%zu\n",
                 data[0], data[1], len);
         return 0;
     }
     return 0;
 }
 
 static int wacom_wac_finger_count_touches(struct wacom_wac *wacom)
 {
     struct input_dev *input = wacom->touch_input;
     unsigned touch_max = wacom->features.touch_max;
     int count = 0;
     int i;
 
     if (!touch_max)
         return 0;
 
     if (touch_max == 1)
         return test_bit(BTN_TOUCH, input->key) &&
             report_touch_events(wacom);
 
     for (i = 0; i < input->mt->num_slots; i++) {
         struct input_mt_slot *ps = &input->mt->slots[i];
         int id = input_mt_get_value(ps, ABS_MT_TRACKING_ID);
         if (id >= 0)
             count++;
     }
 
     return count;
 }
 
 static void wacom_intuos_pro2_bt_pen(struct wacom_wac *wacom)
 {
     int pen_frame_len, pen_frames;
 
     struct input_dev *pen_input = wacom->pen_input;
     unsigned char *data = wacom->data;
     int i;
 
     if (wacom->features.type == INTUOSP2_BT ||
         wacom->features.type == INTUOSP2S_BT) {
         wacom->serial[0] = get_unaligned_le64(&data[99]);
         wacom->id[0]     = get_unaligned_le16(&data[107]);
         pen_frame_len = 14;
         pen_frames = 7;
     } else {
         wacom->serial[0] = get_unaligned_le64(&data[33]);
         wacom->id[0]     = get_unaligned_le16(&data[41]);
         pen_frame_len = 8;
         pen_frames = 4;
     }
 
     if (wacom->serial[0] >> 52 == 1) {
         /* Add back in missing bits of ID for non-USI pens */
         wacom->id[0] |= (wacom->serial[0] >> 32) & 0xFFFFF;
     }
 
     for (i = 0; i < pen_frames; i++) {
         unsigned char *frame = &data[i*pen_frame_len + 1];
         bool valid = frame[0] & 0x80;
         bool prox = frame[0] & 0x40;
         bool range = frame[0] & 0x20;
         bool invert = frame[0] & 0x10;
 
         if (!valid)
             continue;
 
         if (!prox) {
             wacom->shared->stylus_in_proximity = false;
             wacom_exit_report(wacom);
             input_sync(pen_input);
 
             wacom->tool[0] = 0;
             wacom->id[0] = 0;
             wacom->serial[0] = 0;
             return;
         }
 
         if (range) {
             if (!wacom->tool[0]) { /* first in range */
                 /* Going into range select tool */
                 if (invert)
                     wacom->tool[0] = BTN_TOOL_RUBBER;
                 else if (wacom->id[0])
                     wacom->tool[0] = wacom_intuos_get_tool_type(wacom->id[0]);
                 else
                     wacom->tool[0] = BTN_TOOL_PEN;
             }
 
             input_report_abs(pen_input, ABS_X, get_unaligned_le16(&frame[1]));
             input_report_abs(pen_input, ABS_Y, get_unaligned_le16(&frame[3]));
 
             if (wacom->features.type == INTUOSP2_BT ||
                 wacom->features.type == INTUOSP2S_BT) {
                 /* Fix rotation alignment: userspace expects zero at left */
                 int16_t rotation =
                     (int16_t)get_unaligned_le16(&frame[9]);
                 rotation += 1800/4;
 
                 if (rotation > 899)
                     rotation -= 1800;
 
                 input_report_abs(pen_input, ABS_TILT_X,
                          (char)frame[7]);
                 input_report_abs(pen_input, ABS_TILT_Y,
                          (char)frame[8]);
                 input_report_abs(pen_input, ABS_Z, rotation);
                 input_report_abs(pen_input, ABS_WHEEL,
                          get_unaligned_le16(&frame[11]));
             }
         }
         if (wacom->tool[0]) {
             input_report_abs(pen_input, ABS_PRESSURE, get_unaligned_le16(&frame[5]));
             if (wacom->features.type == INTUOSP2_BT ||
                 wacom->features.type == INTUOSP2S_BT) {
                 input_report_abs(pen_input, ABS_DISTANCE,
                          range ? frame[13] : wacom->features.distance_max);
             } else {
                 input_report_abs(pen_input, ABS_DISTANCE,
                          range ? frame[7] : wacom->features.distance_max);
             }
 
             input_report_key(pen_input, BTN_TOUCH, frame[0] & 0x09);
             input_report_key(pen_input, BTN_STYLUS, frame[0] & 0x02);
             input_report_key(pen_input, BTN_STYLUS2, frame[0] & 0x04);
 
             input_report_key(pen_input, wacom->tool[0], prox);
             input_event(pen_input, EV_MSC, MSC_SERIAL, wacom->serial[0]);
             input_report_abs(pen_input, ABS_MISC,
                      wacom_intuos_id_mangle(wacom->id[0])); /* report tool id */
         }
 
         wacom->shared->stylus_in_proximity = prox;
 
         input_sync(pen_input);
     }
 }
 
 static void wacom_intuos_pro2_bt_touch(struct wacom_wac *wacom)
 {
     const int finger_touch_len = 8;
     const int finger_frames = 4;
     const int finger_frame_len = 43;
 
     struct input_dev *touch_input = wacom->touch_input;
     unsigned char *data = wacom->data;
     int num_contacts_left = 5;
     int i, j;
 
     for (i = 0; i < finger_frames; i++) {
         unsigned char *frame = &data[i*finger_frame_len + 109];
         int current_num_contacts = frame[0] & 0x7F;
         int contacts_to_send;
 
         if (!(frame[0] & 0x80))
             continue;
 
         /*
          * First packet resets the counter since only the first
          * packet in series will have non-zero current_num_contacts.
          */
         if (current_num_contacts)
             wacom->num_contacts_left = current_num_contacts;
 
         contacts_to_send = min(num_contacts_left, wacom->num_contacts_left);
 
         for (j = 0; j < contacts_to_send; j++) {
             unsigned char *touch = &frame[j*finger_touch_len + 1];
             int slot = input_mt_get_slot_by_key(touch_input, touch[0]);
             int x = get_unaligned_le16(&touch[2]);
             int y = get_unaligned_le16(&touch[4]);
             int w = touch[6] * input_abs_get_res(touch_input, ABS_MT_POSITION_X);
             int h = touch[7] * input_abs_get_res(touch_input, ABS_MT_POSITION_Y);
 
             if (slot < 0)
                 continue;
 
             input_mt_slot(touch_input, slot);
             input_mt_report_slot_state(touch_input, MT_TOOL_FINGER, touch[1] & 0x01);
             input_report_abs(touch_input, ABS_MT_POSITION_X, x);
             input_report_abs(touch_input, ABS_MT_POSITION_Y, y);
             input_report_abs(touch_input, ABS_MT_TOUCH_MAJOR, max(w, h));
             input_report_abs(touch_input, ABS_MT_TOUCH_MINOR, min(w, h));
             input_report_abs(touch_input, ABS_MT_ORIENTATION, w > h);
         }
 
         input_mt_sync_frame(touch_input);
 
         wacom->num_contacts_left -= contacts_to_send;
         if (wacom->num_contacts_left <= 0) {
             wacom->num_contacts_left = 0;
             wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
             input_sync(touch_input);
         }
     }
 
     if (wacom->num_contacts_left == 0) {
         // Be careful that we don't accidentally call input_sync with
         // only a partial set of fingers of processed
         input_report_switch(touch_input, SW_MUTE_DEVICE, !(data[281] >> 7));
         input_sync(touch_input);
     }
 
 }
 
 static void wacom_intuos_pro2_bt_pad(struct wacom_wac *wacom)
 {
     struct input_dev *pad_input = wacom->pad_input;
     unsigned char *data = wacom->data;
     int nbuttons = wacom->features.numbered_buttons;
 
     int expresskeys = data[282];
     int center = (data[281] & 0x40) >> 6;
     int ring = data[285] & 0x7F;
     bool ringstatus = data[285] & 0x80;
     bool prox = expresskeys || center || ringstatus;
 
     /* Fix touchring data: userspace expects 0 at left and increasing clockwise */
     ring = 71 - ring;
     ring += 3*72/16;
     if (ring > 71)
         ring -= 72;
 
     wacom_report_numbered_buttons(pad_input, nbuttons,
                                       expresskeys | (center << (nbuttons - 1)));
 
     input_report_abs(pad_input, ABS_WHEEL, ringstatus ? ring : 0);
 
     input_report_key(pad_input, wacom->tool[1], prox ? 1 : 0);
     input_report_abs(pad_input, ABS_MISC, prox ? PAD_DEVICE_ID : 0);
     input_event(pad_input, EV_MSC, MSC_SERIAL, 0xffffffff);
 
     input_sync(pad_input);
 }
 
 static void wacom_intuos_pro2_bt_battery(struct wacom_wac *wacom)
 {
     unsigned char *data = wacom->data;
 
     bool chg = data[284] & 0x80;
     int battery_status = data[284] & 0x7F;
 
     wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
                  battery_status, chg, 1, chg);
 }
 
 static void wacom_intuos_gen3_bt_pad(struct wacom_wac *wacom)
 {
     struct input_dev *pad_input = wacom->pad_input;
     unsigned char *data = wacom->data;
 
     int buttons = data[44];
 
     wacom_report_numbered_buttons(pad_input, 4, buttons);
 
     input_report_key(pad_input, wacom->tool[1], buttons ? 1 : 0);
     input_report_abs(pad_input, ABS_MISC, buttons ? PAD_DEVICE_ID : 0);
     input_event(pad_input, EV_MSC, MSC_SERIAL, 0xffffffff);
 
     input_sync(pad_input);
 }
 
 static void wacom_intuos_gen3_bt_battery(struct wacom_wac *wacom)
 {
     unsigned char *data = wacom->data;
 
     bool chg = data[45] & 0x80;
     int battery_status = data[45] & 0x7F;
 
     wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
                  battery_status, chg, 1, chg);
 }
 
 static int wacom_intuos_pro2_bt_irq(struct wacom_wac *wacom, size_t len)
 {
     unsigned char *data = wacom->data;
 
     if (data[0] != 0x80 && data[0] != 0x81) {
         dev_dbg(wacom->pen_input->dev.parent,
             "%s: received unknown report #%d\n", __func__, data[0]);
         return 0;
     }
 
     wacom_intuos_pro2_bt_pen(wacom);
     if (wacom->features.type == INTUOSP2_BT ||
         wacom->features.type == INTUOSP2S_BT) {
         wacom_intuos_pro2_bt_touch(wacom);
         wacom_intuos_pro2_bt_pad(wacom);
         wacom_intuos_pro2_bt_battery(wacom);
     } else {
         wacom_intuos_gen3_bt_pad(wacom);
         wacom_intuos_gen3_bt_battery(wacom);
     }
     return 0;
 }
 
 static int wacom_24hdt_irq(struct wacom_wac *wacom)
 {
     struct input_dev *input = wacom->touch_input;
     unsigned char *data = wacom->data;
     int i;
     int current_num_contacts = data[61];
     int contacts_to_send = 0;
     int num_contacts_left = 4; /* maximum contacts per packet */
     int byte_per_packet = WACOM_BYTES_PER_24HDT_PACKET;
     int y_offset = 2;
 
     if (touch_is_muted(wacom) && !wacom->shared->touch_down)
         return 0;
 
     if (wacom->features.type == WACOM_27QHDT) {
         current_num_contacts = data[63];
         num_contacts_left = 10;
         byte_per_packet = WACOM_BYTES_PER_QHDTHID_PACKET;
         y_offset = 0;
     }
 
     /*
      * First packet resets the counter since only the first
      * packet in series will have non-zero current_num_contacts.
      */
     if (current_num_contacts)
         wacom->num_contacts_left = current_num_contacts;
 
     contacts_to_send = min(num_contacts_left, wacom->num_contacts_left);
 
     for (i = 0; i < contacts_to_send; i++) {
         int offset = (byte_per_packet * i) + 1;
         bool touch = (data[offset] & 0x1) && report_touch_events(wacom);
         int slot = input_mt_get_slot_by_key(input, data[offset + 1]);
 
         if (slot < 0)
             continue;
         input_mt_slot(input, slot);
         input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
 
         if (touch) {
             int t_x = get_unaligned_le16(&data[offset + 2]);
             int t_y = get_unaligned_le16(&data[offset + 4 + y_offset]);
 
             input_report_abs(input, ABS_MT_POSITION_X, t_x);
             input_report_abs(input, ABS_MT_POSITION_Y, t_y);
 
             if (wacom->features.type != WACOM_27QHDT) {
                 int c_x = get_unaligned_le16(&data[offset + 4]);
                 int c_y = get_unaligned_le16(&data[offset + 8]);
                 int w = get_unaligned_le16(&data[offset + 10]);
                 int h = get_unaligned_le16(&data[offset + 12]);
 
                 input_report_abs(input, ABS_MT_TOUCH_MAJOR, min(w,h));
                 input_report_abs(input, ABS_MT_WIDTH_MAJOR,
                          min(w, h) + int_dist(t_x, t_y, c_x, c_y));
                 input_report_abs(input, ABS_MT_WIDTH_MINOR, min(w, h));
                 input_report_abs(input, ABS_MT_ORIENTATION, w > h);
             }
         }
     }
     input_mt_sync_frame(input);
 
     wacom->num_contacts_left -= contacts_to_send;
     if (wacom->num_contacts_left <= 0) {
         wacom->num_contacts_left = 0;
         wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
     }
     return 1;
 }
 
 static int wacom_mt_touch(struct wacom_wac *wacom)
 {
     struct input_dev *input = wacom->touch_input;
     unsigned char *data = wacom->data;
     int i;
     int current_num_contacts = data[2];
     int contacts_to_send = 0;
     int x_offset = 0;
 
     /* MTTPC does not support Height and Width */
     if (wacom->features.type == MTTPC || wacom->features.type == MTTPC_B)
         x_offset = -4;
 
     /*
      * First packet resets the counter since only the first
      * packet in series will have non-zero current_num_contacts.
      */
     if (current_num_contacts)
         wacom->num_contacts_left = current_num_contacts;
 
     /* There are at most 5 contacts per packet */
     contacts_to_send = min(5, wacom->num_contacts_left);
 
     for (i = 0; i < contacts_to_send; i++) {
         int offset = (WACOM_BYTES_PER_MT_PACKET + x_offset) * i + 3;
         bool touch = (data[offset] & 0x1) && report_touch_events(wacom);
         int id = get_unaligned_le16(&data[offset + 1]);
         int slot = input_mt_get_slot_by_key(input, id);
 
         if (slot < 0)
             continue;
 
         input_mt_slot(input, slot);
         input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
         if (touch) {
             int x = get_unaligned_le16(&data[offset + x_offset + 7]);
             int y = get_unaligned_le16(&data[offset + x_offset + 9]);
             input_report_abs(input, ABS_MT_POSITION_X, x);
             input_report_abs(input, ABS_MT_POSITION_Y, y);
         }
     }
     input_mt_sync_frame(input);
 
     wacom->num_contacts_left -= contacts_to_send;
     if (wacom->num_contacts_left <= 0) {
         wacom->num_contacts_left = 0;
         wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
     }
     return 1;
 }
 
 static int wacom_tpc_mt_touch(struct wacom_wac *wacom)
 {
     struct input_dev *input = wacom->touch_input;
     unsigned char *data = wacom->data;
     int i;
 
     for (i = 0; i < 2; i++) {
         int p = data[1] & (1 << i);
         bool touch = p && report_touch_events(wacom);
 
         input_mt_slot(input, i);
         input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
         if (touch) {
             int x = le16_to_cpup((__le16 *)&data[i * 2 + 2]) & 0x7fff;
             int y = le16_to_cpup((__le16 *)&data[i * 2 + 6]) & 0x7fff;
 
             input_report_abs(input, ABS_MT_POSITION_X, x);
             input_report_abs(input, ABS_MT_POSITION_Y, y);
         }
     }
     input_mt_sync_frame(input);
 
     /* keep touch state for pen event */
     wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
 
     return 1;
 }
 
 static int wacom_tpc_single_touch(struct wacom_wac *wacom, size_t len)
 {
     unsigned char *data = wacom->data;
     struct input_dev *input = wacom->touch_input;
     bool prox = report_touch_events(wacom);
     int x = 0, y = 0;
 
     if (wacom->features.touch_max > 1 || len > WACOM_PKGLEN_TPC2FG)
         return 0;
 
     if (len == WACOM_PKGLEN_TPC1FG) {
         prox = prox && (data[0] & 0x01);
         x = get_unaligned_le16(&data[1]);
         y = get_unaligned_le16(&data[3]);
     } else if (len == WACOM_PKGLEN_TPC1FG_B) {
         prox = prox && (data[2] & 0x01);
         x = get_unaligned_le16(&data[3]);
         y = get_unaligned_le16(&data[5]);
     } else {
         prox = prox && (data[1] & 0x01);
         x = le16_to_cpup((__le16 *)&data[2]);
         y = le16_to_cpup((__le16 *)&data[4]);
     }
 
     if (prox) {
         input_report_abs(input, ABS_X, x);
         input_report_abs(input, ABS_Y, y);
     }
     input_report_key(input, BTN_TOUCH, prox);
 
     /* keep touch state for pen events */
     wacom->shared->touch_down = prox;
 
     return 1;
 }
 
 static int wacom_tpc_pen(struct wacom_wac *wacom)
 {
     unsigned char *data = wacom->data;
     struct input_dev *input = wacom->pen_input;
     bool prox = data[1] & 0x20;
 
     if (!wacom->shared->stylus_in_proximity) /* first in prox */
         /* Going into proximity select tool */
         wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
 
     /* keep pen state for touch events */
     wacom->shared->stylus_in_proximity = prox;
 
     /* send pen events only when touch is up or forced out
      * or touch arbitration is off
      */
     if (!delay_pen_events(wacom)) {
         input_report_key(input, BTN_STYLUS, data[1] & 0x02);
         input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
         input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
         input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
         input_report_abs(input, ABS_PRESSURE, ((data[7] & 0x07) << 8) | data[6]);
         input_report_key(input, BTN_TOUCH, data[1] & 0x05);
         input_report_key(input, wacom->tool[0], prox);
         return 1;
     }
 
     return 0;
 }
 
 static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len)
 {
     unsigned char *data = wacom->data;
 
     if (wacom->pen_input) {
         dev_dbg(wacom->pen_input->dev.parent,
             "%s: received report #%d\n", __func__, data[0]);
 
         if (len == WACOM_PKGLEN_PENABLED ||
             data[0] == WACOM_REPORT_PENABLED)
             return wacom_tpc_pen(wacom);
     }
     else if (wacom->touch_input) {
         dev_dbg(wacom->touch_input->dev.parent,
             "%s: received report #%d\n", __func__, data[0]);
 
         switch (len) {
         case WACOM_PKGLEN_TPC1FG:
             return wacom_tpc_single_touch(wacom, len);
 
         case WACOM_PKGLEN_TPC2FG:
             return wacom_tpc_mt_touch(wacom);
 
         default:
             switch (data[0]) {
             case WACOM_REPORT_TPC1FG:
             case WACOM_REPORT_TPCHID:
             case WACOM_REPORT_TPCST:
             case WACOM_REPORT_TPC1FGE:
                 return wacom_tpc_single_touch(wacom, len);
 
             case WACOM_REPORT_TPCMT:
             case WACOM_REPORT_TPCMT2:
                 return wacom_mt_touch(wacom);
 
             }
         }
     }
 
     return 0;
 }
 
 static int wacom_offset_rotation(struct input_dev *input, struct hid_usage *usage,
                  int value, int num, int denom)
 {
     struct input_absinfo *abs = &input->absinfo[usage->code];
     int range = (abs->maximum - abs->minimum + 1);
 
     value += num*range/denom;
     if (value > abs->maximum)
         value -= range;
     else if (value < abs->minimum)
         value += range;
     return value;
 }
 
 int wacom_equivalent_usage(int usage)
 {
     if ((usage & HID_USAGE_PAGE) == WACOM_HID_UP_WACOMDIGITIZER) {
         int subpage = (usage & 0xFF00) << 8;
         int subusage = (usage & 0xFF);
 
         if (subpage == WACOM_HID_SP_PAD ||
             subpage == WACOM_HID_SP_BUTTON ||
             subpage == WACOM_HID_SP_DIGITIZER ||
             subpage == WACOM_HID_SP_DIGITIZERINFO ||
             usage == WACOM_HID_WD_SENSE ||
             usage == WACOM_HID_WD_SERIALHI ||
             usage == WACOM_HID_WD_TOOLTYPE ||
             usage == WACOM_HID_WD_DISTANCE ||
             usage == WACOM_HID_WD_TOUCHSTRIP ||
             usage == WACOM_HID_WD_TOUCHSTRIP2 ||
             usage == WACOM_HID_WD_TOUCHRING ||
             usage == WACOM_HID_WD_TOUCHRINGSTATUS ||
             usage == WACOM_HID_WD_REPORT_VALID ||
             usage == WACOM_HID_WD_BARRELSWITCH3 ||
             usage == WACOM_HID_WD_SEQUENCENUMBER) {
             return usage;
         }
 
         if (subpage == HID_UP_UNDEFINED)
             subpage = HID_UP_DIGITIZER;
 
         return subpage | subusage;
     }
 
     if ((usage & HID_USAGE_PAGE) == WACOM_HID_UP_WACOMTOUCH) {
         int subpage = (usage & 0xFF00) << 8;
         int subusage = (usage & 0xFF);
 
         if (usage == WACOM_HID_WT_REPORT_VALID)
             return usage;
 
         if (subpage == HID_UP_UNDEFINED)
             subpage = WACOM_HID_SP_DIGITIZER;
 
         return subpage | subusage;
     }
 
     return usage;
 }
 
 static void wacom_map_usage(struct input_dev *input, struct hid_usage *usage,
         struct hid_field *field, __u8 type, __u16 code, int fuzz)
 {
     struct wacom *wacom = input_get_drvdata(input);
     struct wacom_wac *wacom_wac = &wacom->wacom_wac;
     struct wacom_features *features = &wacom_wac->features;
     int fmin = field->logical_minimum;
     int fmax = field->logical_maximum;
     unsigned int equivalent_usage = wacom_equivalent_usage(usage->hid);
     int resolution_code = code;
 
     if (equivalent_usage == HID_DG_TWIST) {
         resolution_code = ABS_RZ;
     }
 
     if (equivalent_usage == HID_GD_X) {
         fmin += features->offset_left;
         fmax -= features->offset_right;
     }
     if (equivalent_usage == HID_GD_Y) {
         fmin += features->offset_top;
         fmax -= features->offset_bottom;
     }
 
     usage->type = type;
     usage->code = code;
 
     switch (type) {
     case EV_ABS:
         input_set_abs_params(input, code, fmin, fmax, fuzz, 0);
         input_abs_set_res(input, code,
                   hidinput_calc_abs_res(field, resolution_code));
         break;
     case EV_KEY:
     case EV_MSC:
     case EV_SW:
         input_set_capability(input, type, code);
         break;
     }
 }
 
 static void wacom_wac_battery_usage_mapping(struct hid_device *hdev,
         struct hid_field *field, struct hid_usage *usage)
 {
     struct wacom *wacom = hid_get_drvdata(hdev);
     struct wacom_wac *wacom_wac = &wacom->wacom_wac;
     struct wacom_features *features = &wacom_wac->features;
     unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
 
     switch (equivalent_usage) {
     case HID_DG_BATTERYSTRENGTH:
     case WACOM_HID_WD_BATTERY_LEVEL:
     case WACOM_HID_WD_BATTERY_CHARGING:
         features->quirks |= WACOM_QUIRK_BATTERY;
         break;
     }
 }
 
 static void wacom_wac_battery_event(struct hid_device *hdev, struct hid_field *field,
         struct hid_usage *usage, __s32 value)
 {
     struct wacom *wacom = hid_get_drvdata(hdev);
     struct wacom_wac *wacom_wac = &wacom->wacom_wac;
     unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
 
     switch (equivalent_usage) {
     case HID_DG_BATTERYSTRENGTH:
         if (value == 0) {
             wacom_wac->hid_data.bat_status = POWER_SUPPLY_STATUS_UNKNOWN;
         }
         else {
             value = value * 100 / (field->logical_maximum - field->logical_minimum);
             wacom_wac->hid_data.battery_capacity = value;
             wacom_wac->hid_data.bat_connected = 1;
             wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
         }
         break;
     case WACOM_HID_WD_BATTERY_LEVEL:
         value = value * 100 / (field->logical_maximum - field->logical_minimum);
         wacom_wac->hid_data.battery_capacity = value;
         wacom_wac->hid_data.bat_connected = 1;
         wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
         break;
     case WACOM_HID_WD_BATTERY_CHARGING:
         wacom_wac->hid_data.bat_charging = value;
         wacom_wac->hid_data.ps_connected = value;
         wacom_wac->hid_data.bat_connected = 1;
         wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
         break;
     }
 }
 
 static void wacom_wac_battery_pre_report(struct hid_device *hdev,
         struct hid_report *report)
 {
     return;
 }
 
 static void wacom_wac_battery_report(struct hid_device *hdev,
         struct hid_report *report)
 {
     struct wacom *wacom = hid_get_drvdata(hdev);
     struct wacom_wac *wacom_wac = &wacom->wacom_wac;
     struct wacom_features *features = &wacom_wac->features;
 
     if (features->quirks & WACOM_QUIRK_BATTERY) {
         int status = wacom_wac->hid_data.bat_status;
         int capacity = wacom_wac->hid_data.battery_capacity;
         bool charging = wacom_wac->hid_data.bat_charging;
         bool connected = wacom_wac->hid_data.bat_connected;
         bool powered = wacom_wac->hid_data.ps_connected;
 
         wacom_notify_battery(wacom_wac, status, capacity, charging,
                      connected, powered);
     }
 }
 
 static void wacom_wac_pad_usage_mapping(struct hid_device *hdev,
         struct hid_field *field, struct hid_usage *usage)
 {
     struct wacom *wacom = hid_get_drvdata(hdev);
     struct wacom_wac *wacom_wac = &wacom->wacom_wac;
     struct wacom_features *features = &wacom_wac->features;
     struct input_dev *input = wacom_wac->pad_input;
     unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
 
     switch (equivalent_usage) {
     case WACOM_HID_WD_ACCELEROMETER_X:
         __set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
         wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 0);
         features->device_type |= WACOM_DEVICETYPE_PAD;
         break;
     case WACOM_HID_WD_ACCELEROMETER_Y:
         __set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
         wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 0);
         features->device_type |= WACOM_DEVICETYPE_PAD;
         break;
     case WACOM_HID_WD_ACCELEROMETER_Z:
         __set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
         wacom_map_usage(input, usage, field, EV_ABS, ABS_Z, 0);
         features->device_type |= WACOM_DEVICETYPE_PAD;
         break;
     case WACOM_HID_WD_BUTTONCENTER:
     case WACOM_HID_WD_BUTTONHOME:
     case WACOM_HID_WD_BUTTONUP:
     case WACOM_HID_WD_BUTTONDOWN:
     case WACOM_HID_WD_BUTTONLEFT:
     case WACOM_HID_WD_BUTTONRIGHT:
         wacom_map_usage(input, usage, field, EV_KEY,
                 wacom_numbered_button_to_key(features->numbered_buttons),
                 0);
         features->numbered_buttons++;
         features->device_type |= WACOM_DEVICETYPE_PAD;
         break;
     case WACOM_HID_WD_MUTE_DEVICE:
         /* softkey touch switch */
         wacom_wac->is_soft_touch_switch = true;
         fallthrough;
     case WACOM_HID_WD_TOUCHONOFF:
         /*
          * These two usages, which are used to mute touch events, come
          * from the pad packet, but are reported on the touch
          * interface. Because the touch interface may not have
          * been created yet, we cannot call wacom_map_usage(). In
          * order to process the usages when we receive them, we set
          * the usage type and code directly.
          */
         wacom_wac->has_mute_touch_switch = true;
         usage->type = EV_SW;
         usage->code = SW_MUTE_DEVICE;
         break;
     case WACOM_HID_WD_TOUCHSTRIP:
         wacom_map_usage(input, usage, field, EV_ABS, ABS_RX, 0);
         features->device_type |= WACOM_DEVICETYPE_PAD;
         break;
     case WACOM_HID_WD_TOUCHSTRIP2:
         wacom_map_usage(input, usage, field, EV_ABS, ABS_RY, 0);
         features->device_type |= WACOM_DEVICETYPE_PAD;
         break;
     case WACOM_HID_WD_TOUCHRING:
         wacom_map_usage(input, usage, field, EV_ABS, ABS_WHEEL, 0);
         features->device_type |= WACOM_DEVICETYPE_PAD;
         break;
     case WACOM_HID_WD_TOUCHRINGSTATUS:
         /*
          * Only set up type/code association. Completely mapping
          * this usage may overwrite the axis resolution and range.
          */
         usage->type = EV_ABS;
         usage->code = ABS_WHEEL;
         set_bit(EV_ABS, input->evbit);
         features->device_type |= WACOM_DEVICETYPE_PAD;
         break;
     case WACOM_HID_WD_BUTTONCONFIG:
         wacom_map_usage(input, usage, field, EV_KEY, KEY_BUTTONCONFIG, 0);
         features->device_type |= WACOM_DEVICETYPE_PAD;
         break;
     case WACOM_HID_WD_ONSCREEN_KEYBOARD:
         wacom_map_usage(input, usage, field, EV_KEY, KEY_ONSCREEN_KEYBOARD, 0);
         features->device_type |= WACOM_DEVICETYPE_PAD;
         break;
     case WACOM_HID_WD_CONTROLPANEL:
         wacom_map_usage(input, usage, field, EV_KEY, KEY_CONTROLPANEL, 0);
         features->device_type |= WACOM_DEVICETYPE_PAD;
         break;
     case WACOM_HID_WD_MODE_CHANGE:
         /* do not overwrite previous data */
         if (!wacom_wac->has_mode_change) {
             wacom_wac->has_mode_change = true;
             wacom_wac->is_direct_mode = true;
         }
         features->device_type |= WACOM_DEVICETYPE_PAD;
         break;
     }
 
     switch (equivalent_usage & 0xfffffff0) {
     case WACOM_HID_WD_EXPRESSKEY00:
         wacom_map_usage(input, usage, field, EV_KEY,
                 wacom_numbered_button_to_key(features->numbered_buttons),
                 0);
         features->numbered_buttons++;
         features->device_type |= WACOM_DEVICETYPE_PAD;
         break;
     }
 }
 
 static void wacom_wac_pad_event(struct hid_device *hdev, struct hid_field *field,
         struct hid_usage *usage, __s32 value)
 {
     struct wacom *wacom = hid_get_drvdata(hdev);
     struct wacom_wac *wacom_wac = &wacom->wacom_wac;
     struct input_dev *input = wacom_wac->pad_input;
     struct wacom_features *features = &wacom_wac->features;
     unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
     int i;
     bool do_report = false;
 
     /*
      * Avoid reporting this event and setting inrange_state if this usage
      * hasn't been mapped.
      */
     if (!usage->type && equivalent_usage != WACOM_HID_WD_MODE_CHANGE)
         return;
 
     if (wacom_equivalent_usage(field->physical) == HID_DG_TABLETFUNCTIONKEY) {
         if (usage->hid != WACOM_HID_WD_TOUCHRING)
             wacom_wac->hid_data.inrange_state |= value;
     }
 
     /* Process touch switch state first since it is reported through touch interface,
      * which is indepentent of pad interface. In the case when there are no other pad
      * events, the pad interface will not even be created.
      */
     if ((equivalent_usage == WACOM_HID_WD_MUTE_DEVICE) ||
        (equivalent_usage == WACOM_HID_WD_TOUCHONOFF)) {
         if (wacom_wac->shared->touch_input) {
             bool *is_touch_on = &wacom_wac->shared->is_touch_on;
 
             if (equivalent_usage == WACOM_HID_WD_MUTE_DEVICE && value)
                 *is_touch_on = !(*is_touch_on);
             else if (equivalent_usage == WACOM_HID_WD_TOUCHONOFF)
                 *is_touch_on = value;
 
             input_report_switch(wacom_wac->shared->touch_input,
                         SW_MUTE_DEVICE, !(*is_touch_on));
             input_sync(wacom_wac->shared->touch_input);
         }
         return;
     }
 
     if (!input)
         return;
 
     switch (equivalent_usage) {
     case WACOM_HID_WD_TOUCHRING:
         /*
          * Userspace expects touchrings to increase in value with
          * clockwise gestures and have their zero point at the
          * tablet's left. HID events "should" be clockwise-
          * increasing and zero at top, though the MobileStudio
          * Pro and 2nd-gen Intuos Pro don't do this...
          */
         if (hdev->vendor == 0x56a &&
             (hdev->product == 0x34d || hdev->product == 0x34e ||  /* MobileStudio Pro */
              hdev->product == 0x357 || hdev->product == 0x358 ||  /* Intuos Pro 2 */
              hdev->product == 0x392 ||                /* Intuos Pro 2 */
              hdev->product == 0x398 || hdev->product == 0x399 ||  /* MobileStudio Pro */
              hdev->product == 0x3AA)) {               /* MobileStudio Pro */
             value = (field->logical_maximum - value);
 
             if (hdev->product == 0x357 || hdev->product == 0x358 ||
                 hdev->product == 0x392)
                 value = wacom_offset_rotation(input, usage, value, 3, 16);
             else if (hdev->product == 0x34d || hdev->product == 0x34e ||
                  hdev->product == 0x398 || hdev->product == 0x399 ||
                  hdev->product == 0x3AA)
                 value = wacom_offset_rotation(input, usage, value, 1, 2);
         }
         else {
             value = wacom_offset_rotation(input, usage, value, 1, 4);
         }
         do_report = true;
         break;
     case WACOM_HID_WD_TOUCHRINGSTATUS:
         if (!value)
             input_event(input, usage->type, usage->code, 0);
         break;
 
     case WACOM_HID_WD_MODE_CHANGE:
         if (wacom_wac->is_direct_mode != value) {
             wacom_wac->is_direct_mode = value;
             wacom_schedule_work(&wacom->wacom_wac, WACOM_WORKER_MODE_CHANGE);
         }
         break;
 
     case WACOM_HID_WD_BUTTONCENTER:
         for (i = 0; i < wacom->led.count; i++)
             wacom_update_led(wacom, features->numbered_buttons,
                      value, i);
         fallthrough;
     default:
         do_report = true;
         break;
     }
 
     if (do_report) {
         input_event(input, usage->type, usage->code, value);
         if (value)
             wacom_wac->hid_data.pad_input_event_flag = true;
     }
 }
 
 static void wacom_wac_pad_pre_report(struct hid_device *hdev,
         struct hid_report *report)
 {
     struct wacom *wacom = hid_get_drvdata(hdev);
     struct wacom_wac *wacom_wac = &wacom->wacom_wac;
 
     wacom_wac->hid_data.inrange_state = 0;
 }
 
 static void wacom_wac_pad_report(struct hid_device *hdev,
         struct hid_report *report, struct hid_field *field)
 {
     struct wacom *wacom = hid_get_drvdata(hdev);
     struct wacom_wac *wacom_wac = &wacom->wacom_wac;
     struct input_dev *input = wacom_wac->pad_input;
     bool active = wacom_wac->hid_data.inrange_state != 0;
 
     /* report prox for expresskey events */
     if (wacom_wac->hid_data.pad_input_event_flag) {
         input_event(input, EV_ABS, ABS_MISC, active ? PAD_DEVICE_ID : 0);
         input_sync(input);
         if (!active)
             wacom_wac->hid_data.pad_input_event_flag = false;
     }
 }
 
 static void wacom_set_barrel_switch3_usage(struct wacom_wac *wacom_wac)
 {
     struct input_dev *input = wacom_wac->pen_input;
     struct wacom_features *features = &wacom_wac->features;
 
     if (!(features->quirks & WACOM_QUIRK_AESPEN) &&
         wacom_wac->hid_data.barrelswitch &&
         wacom_wac->hid_data.barrelswitch2 &&
         wacom_wac->hid_data.serialhi &&
         !wacom_wac->hid_data.barrelswitch3) {
         input_set_capability(input, EV_KEY, BTN_STYLUS3);
         features->quirks |= WACOM_QUIRK_PEN_BUTTON3;
     }
 }
 
 static void wacom_wac_pen_usage_mapping(struct hid_device *hdev,
         struct hid_field *field, struct hid_usage *usage)
 {
     struct wacom *wacom = hid_get_drvdata(hdev);
     struct wacom_wac *wacom_wac = &wacom->wacom_wac;
     struct wacom_features *features = &wacom_wac->features;
     struct input_dev *input = wacom_wac->pen_input;
     unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
 
     switch (equivalent_usage) {
     case HID_GD_X:
         wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 4);
         break;
     case HID_GD_Y:
         wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 4);
         break;
     case WACOM_HID_WD_DISTANCE:
     case HID_GD_Z:
         wacom_map_usage(input, usage, field, EV_ABS, ABS_DISTANCE, 0);
         break;
     case HID_DG_TIPPRESSURE:
         wacom_map_usage(input, usage, field, EV_ABS, ABS_PRESSURE, 0);
         break;
     case HID_DG_INRANGE:
         wacom_map_usage(input, usage, field, EV_KEY, BTN_TOOL_PEN, 0);
         break;
     case HID_DG_INVERT:
         wacom_map_usage(input, usage, field, EV_KEY,
                 BTN_TOOL_RUBBER, 0);
         break;
     case HID_DG_TILT_X:
         wacom_map_usage(input, usage, field, EV_ABS, ABS_TILT_X, 0);
         break;
     case HID_DG_TILT_Y:
         wacom_map_usage(input, usage, field, EV_ABS, ABS_TILT_Y, 0);
         break;
     case HID_DG_TWIST:
         wacom_map_usage(input, usage, field, EV_ABS, ABS_Z, 0);
         break;
     case HID_DG_ERASER:
         input_set_capability(input, EV_KEY, BTN_TOOL_RUBBER);
         wacom_map_usage(input, usage, field, EV_KEY, BTN_TOUCH, 0);
         break;
     case HID_DG_TIPSWITCH:
         input_set_capability(input, EV_KEY, BTN_TOOL_PEN);
         wacom_map_usage(input, usage, field, EV_KEY, BTN_TOUCH, 0);
         break;
     case HID_DG_BARRELSWITCH:
         wacom_wac->hid_data.barrelswitch = true;
         wacom_set_barrel_switch3_usage(wacom_wac);
         wacom_map_usage(input, usage, field, EV_KEY, BTN_STYLUS, 0);
         break;
     case HID_DG_BARRELSWITCH2:
         wacom_wac->hid_data.barrelswitch2 = true;
         wacom_set_barrel_switch3_usage(wacom_wac);
         wacom_map_usage(input, usage, field, EV_KEY, BTN_STYLUS2, 0);
         break;
     case HID_DG_TOOLSERIALNUMBER:
         features->quirks |= WACOM_QUIRK_TOOLSERIAL;
         wacom_map_usage(input, usage, field, EV_MSC, MSC_SERIAL, 0);
         break;
     case HID_DG_SCANTIME:
         wacom_map_usage(input, usage, field, EV_MSC, MSC_TIMESTAMP, 0);
         break;
     case WACOM_HID_WD_SENSE:
         features->quirks |= WACOM_QUIRK_SENSE;
         wacom_map_usage(input, usage, field, EV_KEY, BTN_TOOL_PEN, 0);
         break;
     case WACOM_HID_WD_SERIALHI:
         wacom_wac->hid_data.serialhi = true;
         wacom_set_barrel_switch3_usage(wacom_wac);
         wacom_map_usage(input, usage, field, EV_ABS, ABS_MISC, 0);
         break;
     case WACOM_HID_WD_FINGERWHEEL:
         input_set_capability(input, EV_KEY, BTN_TOOL_AIRBRUSH);
         wacom_map_usage(input, usage, field, EV_ABS, ABS_WHEEL, 0);
         break;
     case WACOM_HID_WD_BARRELSWITCH3:
         wacom_wac->hid_data.barrelswitch3 = true;
         wacom_map_usage(input, usage, field, EV_KEY, BTN_STYLUS3, 0);
         features->quirks &= ~WACOM_QUIRK_PEN_BUTTON3;
         break;
     }
 }
 
 static void wacom_wac_pen_event(struct hid_device *hdev, struct hid_field *field,
         struct hid_usage *usage, __s32 value)
 {
     struct wacom *wacom = hid_get_drvdata(hdev);
     struct wacom_wac *wacom_wac = &wacom->wacom_wac;
     struct wacom_features *features = &wacom_wac->features;
     struct input_dev *input = wacom_wac->pen_input;
     unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
 
     if (wacom_wac->is_invalid_bt_frame)
         return;
 
     switch (equivalent_usage) {
     case HID_GD_Z:
         /*
          * HID_GD_Z "should increase as the control's position is
          * moved from high to low", while ABS_DISTANCE instead
          * increases in value as the tool moves from low to high.
          */
         value = field->logical_maximum - value;
         break;
     case HID_DG_INRANGE:
         mod_timer(&wacom->idleprox_timer, jiffies + msecs_to_jiffies(100));
         wacom_wac->hid_data.inrange_state = value;
         if (!(features->quirks & WACOM_QUIRK_SENSE))
             wacom_wac->hid_data.sense_state = value;
         return;
     case HID_DG_INVERT:
         wacom_wac->hid_data.invert_state = value;
         return;
     case HID_DG_ERASER:
     case HID_DG_TIPSWITCH:
         wacom_wac->hid_data.tipswitch |= value;
         return;
     case HID_DG_BARRELSWITCH:
         wacom_wac->hid_data.barrelswitch = value;
         return;
     case HID_DG_BARRELSWITCH2:
         wacom_wac->hid_data.barrelswitch2 = value;
         return;
     case HID_DG_TOOLSERIALNUMBER:
         if (value) {
             wacom_wac->serial[0] = (wacom_wac->serial[0] & ~0xFFFFFFFFULL);
             wacom_wac->serial[0] |= wacom_s32tou(value, field->report_size);
         }
         return;
     case HID_DG_TWIST:
         /* don't modify the value if the pen doesn't support the feature */
         if (!wacom_is_art_pen(wacom_wac->id[0])) return;
 
         /*
          * Userspace expects pen twist to have its zero point when
          * the buttons/finger is on the tablet's left. HID values
          * are zero when buttons are toward the top.
          */
         value = wacom_offset_rotation(input, usage, value, 1, 4);
         break;
     case WACOM_HID_WD_SENSE:
         wacom_wac->hid_data.sense_state = value;
         return;
     case WACOM_HID_WD_SERIALHI:
         if (value) {
             __u32 raw_value = wacom_s32tou(value, field->report_size);
 
             wacom_wac->serial[0] = (wacom_wac->serial[0] & 0xFFFFFFFF);
             wacom_wac->serial[0] |= ((__u64)raw_value) << 32;
             /*
              * Non-USI EMR devices may contain additional tool type
              * information here. See WACOM_HID_WD_TOOLTYPE case for
              * more details.
              */
             if (value >> 20 == 1) {
                 wacom_wac->id[0] |= raw_value & 0xFFFFF;
             }
         }
         return;
     case WACOM_HID_WD_TOOLTYPE:
         /*
          * Some devices (MobileStudio Pro, and possibly later
          * devices as well) do not return the complete tool
          * type in their WACOM_HID_WD_TOOLTYPE usage. Use a
          * bitwise OR so the complete value can be built
          * up over time :(
          */
         wacom_wac->id[0] |= wacom_s32tou(value, field->report_size);
         return;
     case WACOM_HID_WD_OFFSETLEFT:
         if (features->offset_left && value != features->offset_left)
             hid_warn(hdev, "%s: overriding existing left offset "
                  "%d -> %d\n", __func__, value,
                  features->offset_left);
         features->offset_left = value;
         return;
     case WACOM_HID_WD_OFFSETRIGHT:
         if (features->offset_right && value != features->offset_right)
             hid_warn(hdev, "%s: overriding existing right offset "
                  "%d -> %d\n", __func__, value,
                  features->offset_right);
         features->offset_right = value;
         return;
     case WACOM_HID_WD_OFFSETTOP:
         if (features->offset_top && value != features->offset_top)
             hid_warn(hdev, "%s: overriding existing top offset "
                  "%d -> %d\n", __func__, value,
                  features->offset_top);
         features->offset_top = value;
         return;
     case WACOM_HID_WD_OFFSETBOTTOM:
         if (features->offset_bottom && value != features->offset_bottom)
             hid_warn(hdev, "%s: overriding existing bottom offset "
                  "%d -> %d\n", __func__, value,
                  features->offset_bottom);
         features->offset_bottom = value;
         return;
     case WACOM_HID_WD_REPORT_VALID:
         wacom_wac->is_invalid_bt_frame = !value;
         return;
     case WACOM_HID_WD_BARRELSWITCH3:
         wacom_wac->hid_data.barrelswitch3 = value;
         return;
     case WACOM_HID_WD_SEQUENCENUMBER:
         if (wacom_wac->hid_data.sequence_number != value)
             hid_warn(hdev, "Dropped %hu packets", (unsigned short)(value - wacom_wac->hid_data.sequence_number));
         wacom_wac->hid_data.sequence_number = value + 1;
         return;
     }
 
     /* send pen events only when touch is up or forced out
      * or touch arbitration is off
      */
     if (!usage->type || delay_pen_events(wacom_wac))
         return;
 
     /* send pen events only when the pen is in range */
     if (wacom_wac->hid_data.inrange_state)
         input_event(input, usage->type, usage->code, value);
     else if (wacom_wac->shared->stylus_in_proximity && !wacom_wac->hid_data.sense_state)
         input_event(input, usage->type, usage->code, 0);
 }
 
 static void wacom_wac_pen_pre_report(struct hid_device *hdev,
         struct hid_report *report)
 {
     struct wacom *wacom = hid_get_drvdata(hdev);
     struct wacom_wac *wacom_wac = &wacom->wacom_wac;
 
     wacom_wac->is_invalid_bt_frame = false;
     return;
 }
 
 static void wacom_wac_pen_report(struct hid_device *hdev,
         struct hid_report *report)
 {
     struct wacom *wacom = hid_get_drvdata(hdev);
     struct wacom_wac *wacom_wac = &wacom->wacom_wac;
     struct input_dev *input = wacom_wac->pen_input;
     bool range = wacom_wac->hid_data.inrange_state;
     bool sense = wacom_wac->hid_data.sense_state;
 
     if (wacom_wac->is_invalid_bt_frame)
         return;
 
     if (!wacom_wac->tool[0] && range) { /* first in range */
         /* Going into range select tool */
         if (wacom_wac->hid_data.invert_state)
             wacom_wac->tool[0] = BTN_TOOL_RUBBER;
         else if (wacom_wac->id[0])
             wacom_wac->tool[0] = wacom_intuos_get_tool_type(wacom_wac->id[0]);
         else
             wacom_wac->tool[0] = BTN_TOOL_PEN;
     }
 
     /* keep pen state for touch events */
     wacom_wac->shared->stylus_in_proximity = sense;
 
     if (!delay_pen_events(wacom_wac) && wacom_wac->tool[0]) {
         int id = wacom_wac->id[0];
         if (wacom_wac->features.quirks & WACOM_QUIRK_PEN_BUTTON3 &&
             wacom_wac->hid_data.barrelswitch & wacom_wac->hid_data.barrelswitch2) {
             wacom_wac->hid_data.barrelswitch = 0;
             wacom_wac->hid_data.barrelswitch2 = 0;
             wacom_wac->hid_data.barrelswitch3 = 1;
         }
         input_report_key(input, BTN_STYLUS, wacom_wac->hid_data.barrelswitch);
         input_report_key(input, BTN_STYLUS2, wacom_wac->hid_data.barrelswitch2);
         input_report_key(input, BTN_STYLUS3, wacom_wac->hid_data.barrelswitch3);
 
         /*
          * Non-USI EMR tools should have their IDs mangled to
          * match the legacy behavior of wacom_intuos_general
          */
         if (wacom_wac->serial[0] >> 52 == 1)
             id = wacom_intuos_id_mangle(id);
 
         /*
          * To ensure compatibility with xf86-input-wacom, we should
          * report the BTN_TOOL_* event prior to the ABS_MISC or
          * MSC_SERIAL events.
          */
         input_report_key(input, BTN_TOUCH,
                 wacom_wac->hid_data.tipswitch);
         input_report_key(input, wacom_wac->tool[0], sense);
         if (wacom_wac->serial[0]) {
             input_event(input, EV_MSC, MSC_SERIAL, wacom_wac->serial[0]);
             input_report_abs(input, ABS_MISC, sense ? id : 0);
         }
 
         wacom_wac->hid_data.tipswitch = false;
 
         input_sync(input);
     }
 
     if (!sense) {
         wacom_wac->tool[0] = 0;
         wacom_wac->id[0] = 0;
         wacom_wac->serial[0] = 0;
     }
 }
 
 static void wacom_wac_finger_usage_mapping(struct hid_device *hdev,
         struct hid_field *field, struct hid_usage *usage)
 {
     struct wacom *wacom = hid_get_drvdata(hdev);
     struct wacom_wac *wacom_wac = &wacom->wacom_wac;
     struct input_dev *input = wacom_wac->touch_input;
     unsigned touch_max = wacom_wac->features.touch_max;
     unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
 
     switch (equivalent_usage) {
     case HID_GD_X:
         if (touch_max == 1)
             wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 4);
         else
             wacom_map_usage(input, usage, field, EV_ABS,
                     ABS_MT_POSITION_X, 4);
         break;
     case HID_GD_Y:
         if (touch_max == 1)
             wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 4);
         else
             wacom_map_usage(input, usage, field, EV_ABS,
                     ABS_MT_POSITION_Y, 4);
         break;
     case HID_DG_WIDTH:
     case HID_DG_HEIGHT:
         wacom_map_usage(input, usage, field, EV_ABS, ABS_MT_TOUCH_MAJOR, 0);
         wacom_map_usage(input, usage, field, EV_ABS, ABS_MT_TOUCH_MINOR, 0);
         input_set_abs_params(input, ABS_MT_ORIENTATION, 0, 1, 0, 0);
         break;
     case HID_DG_TIPSWITCH:
         wacom_map_usage(input, usage, field, EV_KEY, BTN_TOUCH, 0);
         break;
     case HID_DG_CONTACTCOUNT:
         wacom_wac->hid_data.cc_report = field->report->id;
         wacom_wac->hid_data.cc_index = field->index;
         wacom_wac->hid_data.cc_value_index = usage->usage_index;
         break;
     case HID_DG_CONTACTID:
         if ((field->logical_maximum - field->logical_minimum) < touch_max) {
             /*
              * The HID descriptor for G11 sensors leaves logical
              * maximum set to '1' despite it being a multitouch
              * device. Override to a sensible number.
              */
             field->logical_maximum = 255;
         }
         break;
     case HID_DG_SCANTIME:
         wacom_map_usage(input, usage, field, EV_MSC, MSC_TIMESTAMP, 0);
         break;
     }
 }
 
 static void wacom_wac_finger_slot(struct wacom_wac *wacom_wac,
         struct input_dev *input)
 {
     struct hid_data *hid_data = &wacom_wac->hid_data;
     bool mt = wacom_wac->features.touch_max > 1;
     bool prox = hid_data->tipswitch &&
             report_touch_events(wacom_wac);
 
     if (touch_is_muted(wacom_wac)) {
         if (!wacom_wac->shared->touch_down)
             return;
         prox = false;
     }
 
     wacom_wac->hid_data.num_received++;
     if (wacom_wac->hid_data.num_received > wacom_wac->hid_data.num_expected)
         return;
 
     if (mt) {
         int slot;
 
         slot = input_mt_get_slot_by_key(input, hid_data->id);
         if (slot < 0) {
             return;
         } else {
             struct input_mt_slot *ps = &input->mt->slots[slot];
             int mt_id = input_mt_get_value(ps, ABS_MT_TRACKING_ID);
 
             if (!prox && mt_id < 0) {
                 // No data to send for this slot; short-circuit
                 return;
             }
         }
 
         input_mt_slot(input, slot);
         input_mt_report_slot_state(input, MT_TOOL_FINGER, prox);
     }
     else {
         input_report_key(input, BTN_TOUCH, prox);
     }
 
     if (prox) {
         input_report_abs(input, mt ? ABS_MT_POSITION_X : ABS_X,
                  hid_data->x);
         input_report_abs(input, mt ? ABS_MT_POSITION_Y : ABS_Y,
                  hid_data->y);
 
         if (test_bit(ABS_MT_TOUCH_MAJOR, input->absbit)) {
             input_report_abs(input, ABS_MT_TOUCH_MAJOR, max(hid_data->width, hid_data->height));
             input_report_abs(input, ABS_MT_TOUCH_MINOR, min(hid_data->width, hid_data->height));
             if (hid_data->width != hid_data->height)
                 input_report_abs(input, ABS_MT_ORIENTATION, hid_data->width <= hid_data->height ? 0 : 1);
         }
     }
 }
 
 static bool wacom_wac_slot_is_active(struct input_dev *dev, int key)
 {
     struct input_mt *mt = dev->mt;
     struct input_mt_slot *s;
 
     if (!mt)
         return false;
 
     for (s = mt->slots; s != mt->slots + mt->num_slots; s++) {
         if (s->key == key &&
             input_mt_get_value(s, ABS_MT_TRACKING_ID) >= 0) {
             return true;
         }
     }
 
     return false;
 }
 
 static void wacom_wac_finger_event(struct hid_device *hdev,
         struct hid_field *field, struct hid_usage *usage, __s32 value)
 {
     struct wacom *wacom = hid_get_drvdata(hdev);
     struct wacom_wac *wacom_wac = &wacom->wacom_wac;
     unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
     struct wacom_features *features = &wacom->wacom_wac.features;
 
     if (touch_is_muted(wacom_wac) && !wacom_wac->shared->touch_down)
         return;
 
     if (wacom_wac->is_invalid_bt_frame)
         return;
 
     switch (equivalent_usage) {
     case HID_DG_CONFIDENCE:
         wacom_wac->hid_data.confidence = value;
         break;
     case HID_GD_X:
         wacom_wac->hid_data.x = value;
         break;
     case HID_GD_Y:
         wacom_wac->hid_data.y = value;
         break;
     case HID_DG_WIDTH:
         wacom_wac->hid_data.width = value;
         break;
     case HID_DG_HEIGHT:
         wacom_wac->hid_data.height = value;
         break;
     case HID_DG_CONTACTID:
         wacom_wac->hid_data.id = value;
         break;
     case HID_DG_TIPSWITCH:
         wacom_wac->hid_data.tipswitch = value;
         break;
     case WACOM_HID_WT_REPORT_VALID:
         wacom_wac->is_invalid_bt_frame = !value;
         return;
     case HID_DG_CONTACTMAX:
         if (!features->touch_max) {
             features->touch_max = value;
         } else {
             hid_warn(hdev, "%s: ignoring attempt to overwrite non-zero touch_max "
                  "%d -> %d\n", __func__, features->touch_max, value);
         }
         return;
     }
 
     if (usage->usage_index + 1 == field->report_count) {
         if (equivalent_usage == wacom_wac->hid_data.last_slot_field) {
             bool touch_removed = wacom_wac_slot_is_active(wacom_wac->touch_input,
                 wacom_wac->hid_data.id) && !wacom_wac->hid_data.tipswitch;
 
             if (wacom_wac->hid_data.confidence || touch_removed) {
                 wacom_wac_finger_slot(wacom_wac, wacom_wac->touch_input);
             }
         }
     }
 }
 
 static void wacom_wac_finger_pre_report(struct hid_device *hdev,
         struct hid_report *report)
 {
     struct wacom *wacom = hid_get_drvdata(hdev);
     struct wacom_wac *wacom_wac = &wacom->wacom_wac;
     struct hid_data* hid_data = &wacom_wac->hid_data;
     int i;
 
     if (touch_is_muted(wacom_wac) && !wacom_wac->shared->touch_down)
         return;
 
     wacom_wac->is_invalid_bt_frame = false;
 
     hid_data->confidence = true;
 
     hid_data->cc_report = 0;
     hid_data->cc_index = -1;
     hid_data->cc_value_index = -1;
 
     for (i = 0; i < report->maxfield; i++) {
         struct hid_field *field = report->field[i];
         int j;
 
         for (j = 0; j < field->maxusage; j++) {
             struct hid_usage *usage = &field->usage[j];
             unsigned int equivalent_usage =
                 wacom_equivalent_usage(usage->hid);
 
             switch (equivalent_usage) {
             case HID_GD_X:
             case HID_GD_Y:
             case HID_DG_WIDTH:
             case HID_DG_HEIGHT:
             case HID_DG_CONTACTID:
             case HID_DG_INRANGE:
             case HID_DG_INVERT:
             case HID_DG_TIPSWITCH:
                 hid_data->last_slot_field = equivalent_usage;
                 break;
             case HID_DG_CONTACTCOUNT:
                 hid_data->cc_report = report->id;
                 hid_data->cc_index = i;
                 hid_data->cc_value_index = j;
                 break;
             }
         }
     }
 
     if (hid_data->cc_report != 0 &&
         hid_data->cc_index >= 0) {
         struct hid_field *field = report->field[hid_data->cc_index];
         int value = field->value[hid_data->cc_value_index];
         if (value) {
             hid_data->num_expected = value;
             hid_data->num_received = 0;
         }
     }
     else {
         hid_data->num_expected = wacom_wac->features.touch_max;
         hid_data->num_received = 0;
     }
 }
 
 static void wacom_wac_finger_report(struct hid_device *hdev,
         struct hid_report *report)
 {
     struct wacom *wacom = hid_get_drvdata(hdev);
     struct wacom_wac *wacom_wac = &wacom->wacom_wac;
     struct input_dev *input = wacom_wac->touch_input;
     unsigned touch_max = wacom_wac->features.touch_max;
 
     /* if there was nothing to process, don't send an empty sync */
     if (wacom_wac->hid_data.num_expected == 0)
         return;
 
     /* If more packets of data are expected, give us a chance to
      * process them rather than immediately syncing a partial
      * update.
      */
     if (wacom_wac->hid_data.num_received < wacom_wac->hid_data.num_expected)
         return;
 
     if (touch_max > 1)
         input_mt_sync_frame(input);
 
     input_sync(input);
     wacom_wac->hid_data.num_received = 0;
     wacom_wac->hid_data.num_expected = 0;
 
     /* keep touch state for pen event */
     wacom_wac->shared->touch_down = wacom_wac_finger_count_touches(wacom_wac);
 }
 
 void wacom_wac_usage_mapping(struct hid_device *hdev,
         struct hid_field *field, struct hid_usage *usage)
 {
     struct wacom *wacom = hid_get_drvdata(hdev);
     struct wacom_wac *wacom_wac = &wacom->wacom_wac;
     struct wacom_features *features = &wacom_wac->features;
 
     if (WACOM_DIRECT_DEVICE(field))
         features->device_type |= WACOM_DEVICETYPE_DIRECT;
 
     /* usage tests must precede field tests */
     if (WACOM_BATTERY_USAGE(usage))
         wacom_wac_battery_usage_mapping(hdev, field, usage);
     else if (WACOM_PAD_FIELD(field))
         wacom_wac_pad_usage_mapping(hdev, field, usage);
     else if (WACOM_PEN_FIELD(field))
         wacom_wac_pen_usage_mapping(hdev, field, usage);
     else if (WACOM_FINGER_FIELD(field))
         wacom_wac_finger_usage_mapping(hdev, field, usage);
 }
 
 void wacom_wac_event(struct hid_device *hdev, struct hid_field *field,
         struct hid_usage *usage, __s32 value)
 {
     struct wacom *wacom = hid_get_drvdata(hdev);
 
     if (wacom->wacom_wac.features.type != HID_GENERIC)
         return;
 
     if (value > field->logical_maximum || value < field->logical_minimum)
         return;
 
     /* usage tests must precede field tests */
     if (WACOM_BATTERY_USAGE(usage))
         wacom_wac_battery_event(hdev, field, usage, value);
     else if (WACOM_PAD_FIELD(field))
         wacom_wac_pad_event(hdev, field, usage, value);
     else if (WACOM_PEN_FIELD(field) && wacom->wacom_wac.pen_input)
         wacom_wac_pen_event(hdev, field, usage, value);
     else if (WACOM_FINGER_FIELD(field) && wacom->wacom_wac.touch_input)
         wacom_wac_finger_event(hdev, field, usage, value);
 }
 
 static void wacom_report_events(struct hid_device *hdev,
                 struct hid_report *report, int collection_index,
                 int field_index)
 {
     int r;
 
     for (r = field_index; r < report->maxfield; r++) {
         struct hid_field *field;
         unsigned count, n;
 
         field = report->field[r];
         count = field->report_count;
 
         if (!(HID_MAIN_ITEM_VARIABLE & field->flags))
             continue;
 
         for (n = 0 ; n < count; n++) {
             if (field->usage[n].collection_index == collection_index)
                 wacom_wac_event(hdev, field, &field->usage[n],
                         field->value[n]);
             else
                 return;
         }
     }
 }
 
 static int wacom_wac_collection(struct hid_device *hdev, struct hid_report *report,
              int collection_index, struct hid_field *field,
              int field_index)
 {
     struct wacom *wacom = hid_get_drvdata(hdev);
 
     wacom_report_events(hdev, report, collection_index, field_index);
 
     /*
      * Non-input reports may be sent prior to the device being
      * completely initialized. Since only their events need
      * to be processed, exit after 'wacom_report_events' has
      * been called to prevent potential crashes in the report-
      * processing functions.
      */
     if (report->type != HID_INPUT_REPORT)
         return -1;
 
     if (WACOM_PAD_FIELD(field))
         return 0;
     else if (WACOM_PEN_FIELD(field) && wacom->wacom_wac.pen_input)
         wacom_wac_pen_report(hdev, report);
     else if (WACOM_FINGER_FIELD(field) && wacom->wacom_wac.touch_input)
         wacom_wac_finger_report(hdev, report);
 
     return 0;
 }
 
 void wacom_wac_report(struct hid_device *hdev, struct hid_report *report)
 {
     struct wacom *wacom = hid_get_drvdata(hdev);
     struct wacom_wac *wacom_wac = &wacom->wacom_wac;
     struct hid_field *field;
     bool pad_in_hid_field = false, pen_in_hid_field = false,
         finger_in_hid_field = false, true_pad = false;
     int r;
     int prev_collection = -1;
 
     if (wacom_wac->features.type != HID_GENERIC)
         return;
 
     for (r = 0; r < report->maxfield; r++) {
         field = report->field[r];
 
         if (WACOM_PAD_FIELD(field))
             pad_in_hid_field = true;
         if (WACOM_PEN_FIELD(field))
             pen_in_hid_field = true;
         if (WACOM_FINGER_FIELD(field))
             finger_in_hid_field = true;
         if (wacom_equivalent_usage(field->physical) == HID_DG_TABLETFUNCTIONKEY)
             true_pad = true;
     }
 
     wacom_wac_battery_pre_report(hdev, report);
 
     if (pad_in_hid_field && wacom->wacom_wac.pad_input)
         wacom_wac_pad_pre_report(hdev, report);
     if (pen_in_hid_field && wacom->wacom_wac.pen_input)
         wacom_wac_pen_pre_report(hdev, report);
     if (finger_in_hid_field && wacom->wacom_wac.touch_input)
         wacom_wac_finger_pre_report(hdev, report);
 
     for (r = 0; r < report->maxfield; r++) {
         field = report->field[r];
 
         if (field->usage[0].collection_index != prev_collection) {
             if (wacom_wac_collection(hdev, report,
                 field->usage[0].collection_index, field, r) < 0)
                 return;
             prev_collection = field->usage[0].collection_index;
         }
     }
 
     wacom_wac_battery_report(hdev, report);
 
     if (true_pad && wacom->wacom_wac.pad_input)
         wacom_wac_pad_report(hdev, report, field);
 }
 
 static int wacom_bpt_touch(struct wacom_wac *wacom)
 {
     struct wacom_features *features = &wacom->features;
     struct input_dev *input = wacom->touch_input;
     struct input_dev *pad_input = wacom->pad_input;
     unsigned char *data = wacom->data;
     int i;
 
     if (data[0] != 0x02)
         return 0;
 
     for (i = 0; i < 2; i++) {
         int offset = (data[1] & 0x80) ? (8 * i) : (9 * i);
         bool touch = report_touch_events(wacom)
                && (data[offset + 3] & 0x80);
 
         input_mt_slot(input, i);
         input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
         if (touch) {
             int x = get_unaligned_be16(&data[offset + 3]) & 0x7ff;
             int y = get_unaligned_be16(&data[offset + 5]) & 0x7ff;
             if (features->quirks & WACOM_QUIRK_BBTOUCH_LOWRES) {
                 x <<= 5;
                 y <<= 5;
             }
             input_report_abs(input, ABS_MT_POSITION_X, x);
             input_report_abs(input, ABS_MT_POSITION_Y, y);
         }
     }
 
     input_mt_sync_frame(input);
 
     input_report_key(pad_input, BTN_LEFT, (data[1] & 0x08) != 0);
     input_report_key(pad_input, BTN_FORWARD, (data[1] & 0x04) != 0);
     input_report_key(pad_input, BTN_BACK, (data[1] & 0x02) != 0);
     input_report_key(pad_input, BTN_RIGHT, (data[1] & 0x01) != 0);
     wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
 
     return 1;
 }
 
 static void wacom_bpt3_touch_msg(struct wacom_wac *wacom, unsigned char *data)
 {
     struct wacom_features *features = &wacom->features;
     struct input_dev *input = wacom->touch_input;
     bool touch = data[1] & 0x80;
     int slot = input_mt_get_slot_by_key(input, data[0]);
 
     if (slot < 0)
         return;
 
     touch = touch && report_touch_events(wacom);
 
     input_mt_slot(input, slot);
     input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
 
     if (touch) {
         int x = (data[2] << 4) | (data[4] >> 4);
         int y = (data[3] << 4) | (data[4] & 0x0f);
         int width, height;
 
         if (features->type >= INTUOSPS && features->type <= INTUOSHT2) {
             width  = data[5] * 100;
             height = data[6] * 100;
         } else {
             /*
              * "a" is a scaled-down area which we assume is
              * roughly circular and which can be described as:
              * a=(pi*r^2)/C.
              */
             int a = data[5];
             int x_res = input_abs_get_res(input, ABS_MT_POSITION_X);
             int y_res = input_abs_get_res(input, ABS_MT_POSITION_Y);
             width = 2 * int_sqrt(a * WACOM_CONTACT_AREA_SCALE);
             height = width * y_res / x_res;
         }
 
         input_report_abs(input, ABS_MT_POSITION_X, x);
         input_report_abs(input, ABS_MT_POSITION_Y, y);
         input_report_abs(input, ABS_MT_TOUCH_MAJOR, width);
         input_report_abs(input, ABS_MT_TOUCH_MINOR, height);
     }
 }
 
 static void wacom_bpt3_button_msg(struct wacom_wac *wacom, unsigned char *data)
 {
     struct input_dev *input = wacom->pad_input;
     struct wacom_features *features = &wacom->features;
 
     if (features->type == INTUOSHT || features->type == INTUOSHT2) {
         input_report_key(input, BTN_LEFT, (data[1] & 0x02) != 0);
         input_report_key(input, BTN_BACK, (data[1] & 0x08) != 0);
     } else {
         input_report_key(input, BTN_BACK, (data[1] & 0x02) != 0);
         input_report_key(input, BTN_LEFT, (data[1] & 0x08) != 0);
     }
     input_report_key(input, BTN_FORWARD, (data[1] & 0x04) != 0);
     input_report_key(input, BTN_RIGHT, (data[1] & 0x01) != 0);
 }
 
 static int wacom_bpt3_touch(struct wacom_wac *wacom)
 {
     unsigned char *data = wacom->data;
     int count = data[1] & 0x07;
     int  touch_changed = 0, i;
 
     if (data[0] != 0x02)
         return 0;
 
     /* data has up to 7 fixed sized 8-byte messages starting at data[2] */
     for (i = 0; i < count; i++) {
         int offset = (8 * i) + 2;
         int msg_id = data[offset];
 
         if (msg_id >= 2 && msg_id <= 17) {
             wacom_bpt3_touch_msg(wacom, data + offset);
             touch_changed++;
         } else if (msg_id == 128)
             wacom_bpt3_button_msg(wacom, data + offset);
 
     }
 
     /* only update touch if we actually have a touchpad and touch data changed */
     if (wacom->touch_input && touch_changed) {
         input_mt_sync_frame(wacom->touch_input);
         wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
     }
 
     return 1;
 }
 
 static int wacom_bpt_pen(struct wacom_wac *wacom)
 {
     struct wacom_features *features = &wacom->features;
     struct input_dev *input = wacom->pen_input;
     unsigned char *data = wacom->data;
     int x = 0, y = 0, p = 0, d = 0;
     bool pen = false, btn1 = false, btn2 = false;
     bool range, prox, rdy;
 
     if (data[0] != WACOM_REPORT_PENABLED)
         return 0;
 
     range = (data[1] & 0x80) == 0x80;
     prox = (data[1] & 0x40) == 0x40;
     rdy = (data[1] & 0x20) == 0x20;
 
     wacom->shared->stylus_in_proximity = range;
     if (delay_pen_events(wacom))
         return 0;
 
     if (rdy) {
         p = le16_to_cpup((__le16 *)&data[6]);
         pen = data[1] & 0x01;
         btn1 = data[1] & 0x02;
         btn2 = data[1] & 0x04;
     }
     if (prox) {
         x = le16_to_cpup((__le16 *)&data[2]);
         y = le16_to_cpup((__le16 *)&data[4]);
 
         if (data[1] & 0x08) {
             wacom->tool[0] = BTN_TOOL_RUBBER;
             wacom->id[0] = ERASER_DEVICE_ID;
         } else {
             wacom->tool[0] = BTN_TOOL_PEN;
             wacom->id[0] = STYLUS_DEVICE_ID;
         }
         wacom->reporting_data = true;
     }
     if (range) {
         /*
          * Convert distance from out prox to distance from tablet.
          * distance will be greater than distance_max once
          * touching and applying pressure; do not report negative
          * distance.
          */
         if (data[8] <= features->distance_max)
             d = features->distance_max - data[8];
     } else {
         wacom->id[0] = 0;
     }
 
     if (wacom->reporting_data) {
         input_report_key(input, BTN_TOUCH, pen);
         input_report_key(input, BTN_STYLUS, btn1);
         input_report_key(input, BTN_STYLUS2, btn2);
 
         if (prox || !range) {
             input_report_abs(input, ABS_X, x);
             input_report_abs(input, ABS_Y, y);
         }
         input_report_abs(input, ABS_PRESSURE, p);
         input_report_abs(input, ABS_DISTANCE, d);
 
         input_report_key(input, wacom->tool[0], range); /* PEN or RUBBER */
         input_report_abs(input, ABS_MISC, wacom->id[0]); /* TOOL ID */
     }
 
     if (!range) {
         wacom->reporting_data = false;
     }
 
     return 1;
 }
 
 static int wacom_bpt_irq(struct wacom_wac *wacom, size_t len)
 {
     struct wacom_features *features = &wacom->features;
 
     if ((features->type == INTUOSHT2) &&
         (features->device_type & WACOM_DEVICETYPE_PEN))
         return wacom_intuos_irq(wacom);
     else if (len == WACOM_PKGLEN_BBTOUCH)
         return wacom_bpt_touch(wacom);
     else if (len == WACOM_PKGLEN_BBTOUCH3)
         return wacom_bpt3_touch(wacom);
     else if (len == WACOM_PKGLEN_BBFUN || len == WACOM_PKGLEN_BBPEN)
         return wacom_bpt_pen(wacom);
 
     return 0;
 }
 
 static void wacom_bamboo_pad_pen_event(struct wacom_wac *wacom,
         unsigned char *data)
 {
     unsigned char prefix;
 
     /*
      * We need to reroute the event from the debug interface to the
      * pen interface.
      * We need to add the report ID to the actual pen report, so we
      * temporary overwrite the first byte to prevent having to kzalloc/kfree
      * and memcpy the report.
      */
     prefix = data[0];
     data[0] = WACOM_REPORT_BPAD_PEN;
 
     /*
      * actually reroute the event.
      * No need to check if wacom->shared->pen is valid, hid_input_report()
      * will check for us.
      */
     hid_input_report(wacom->shared->pen, HID_INPUT_REPORT, data,
              WACOM_PKGLEN_PENABLED, 1);
 
     data[0] = prefix;
 }
 
 static int wacom_bamboo_pad_touch_event(struct wacom_wac *wacom,
         unsigned char *data)
 {
     struct input_dev *input = wacom->touch_input;
     unsigned char *finger_data, prefix;
     unsigned id;
     int x, y;
     bool valid;
 
     prefix = data[0];
 
     for (id = 0; id < wacom->features.touch_max; id++) {
         valid = !!(prefix & BIT(id)) &&
             report_touch_events(wacom);
 
         input_mt_slot(input, id);
         input_mt_report_slot_state(input, MT_TOOL_FINGER, valid);
 
         if (!valid)
             continue;
 
         finger_data = data + 1 + id * 3;
         x = finger_data[0] | ((finger_data[1] & 0x0f) << 8);
         y = (finger_data[2] << 4) | (finger_data[1] >> 4);
 
         input_report_abs(input, ABS_MT_POSITION_X, x);
         input_report_abs(input, ABS_MT_POSITION_Y, y);
     }
 
     input_mt_sync_frame(input);
 
     input_report_key(input, BTN_LEFT, prefix & 0x40);
     input_report_key(input, BTN_RIGHT, prefix & 0x80);
 
     /* keep touch state for pen event */
     wacom->shared->touch_down = !!prefix && report_touch_events(wacom);
 
     return 1;
 }
 
 static int wacom_bamboo_pad_irq(struct wacom_wac *wacom, size_t len)
 {
     unsigned char *data = wacom->data;
 
     if (!((len == WACOM_PKGLEN_BPAD_TOUCH) ||
           (len == WACOM_PKGLEN_BPAD_TOUCH_USB)) ||
         (data[0] != WACOM_REPORT_BPAD_TOUCH))
         return 0;
 
     if (data[1] & 0x01)
         wacom_bamboo_pad_pen_event(wacom, &data[1]);
 
     if (data[1] & 0x02)
         return wacom_bamboo_pad_touch_event(wacom, &data[9]);
 
     return 0;
 }
 
 static int wacom_wireless_irq(struct wacom_wac *wacom, size_t len)
 {
     unsigned char *data = wacom->data;
     int connected;
 
     if (len != WACOM_PKGLEN_WIRELESS || data[0] != WACOM_REPORT_WL)
         return 0;
 
     connected = data[1] & 0x01;
     if (connected) {
         int pid, battery, charging;
 
         if ((wacom->shared->type == INTUOSHT ||
             wacom->shared->type == INTUOSHT2) &&
             wacom->shared->touch_input &&
             wacom->shared->touch_max) {
             input_report_switch(wacom->shared->touch_input,
                     SW_MUTE_DEVICE, data[5] & 0x40);
             input_sync(wacom->shared->touch_input);
         }
 
         pid = get_unaligned_be16(&data[6]);
         battery = (data[5] & 0x3f) * 100 / 31;
         charging = !!(data[5] & 0x80);
         if (wacom->pid != pid) {
             wacom->pid = pid;
             wacom_schedule_work(wacom, WACOM_WORKER_WIRELESS);
         }
 
         wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
                      battery, charging, 1, 0);
 
     } else if (wacom->pid != 0) {
         /* disconnected while previously connected */
         wacom->pid = 0;
         wacom_schedule_work(wacom, WACOM_WORKER_WIRELESS);
         wacom_notify_battery(wacom, POWER_SUPPLY_STATUS_UNKNOWN, 0, 0, 0, 0);
     }
 
     return 0;
 }
 
 static int wacom_status_irq(struct wacom_wac *wacom_wac, size_t len)
 {
     struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
     struct wacom_features *features = &wacom_wac->features;
     unsigned char *data = wacom_wac->data;
 
     if (data[0] != WACOM_REPORT_USB)
         return 0;
 
     if ((features->type == INTUOSHT ||
         features->type == INTUOSHT2) &&
         wacom_wac->shared->touch_input &&
         features->touch_max) {
         input_report_switch(wacom_wac->shared->touch_input,
                     SW_MUTE_DEVICE, data[8] & 0x40);
         input_sync(wacom_wac->shared->touch_input);
     }
 
     if (data[9] & 0x02) { /* wireless module is attached */
         int battery = (data[8] & 0x3f) * 100 / 31;
         bool charging = !!(data[8] & 0x80);
 
         wacom_notify_battery(wacom_wac, WACOM_POWER_SUPPLY_STATUS_AUTO,
                      battery, charging, battery || charging, 1);
 
         if (!wacom->battery.battery &&
             !(features->quirks & WACOM_QUIRK_BATTERY)) {
             features->quirks |= WACOM_QUIRK_BATTERY;
             wacom_schedule_work(wacom_wac, WACOM_WORKER_BATTERY);
         }
     }
     else if ((features->quirks & WACOM_QUIRK_BATTERY) &&
          wacom->battery.battery) {
         features->quirks &= ~WACOM_QUIRK_BATTERY;
         wacom_schedule_work(wacom_wac, WACOM_WORKER_BATTERY);
         wacom_notify_battery(wacom_wac, POWER_SUPPLY_STATUS_UNKNOWN, 0, 0, 0, 0);
     }
     return 0;
 }
 
 void wacom_wac_irq(struct wacom_wac *wacom_wac, size_t len)
 {
     bool sync;
 
     switch (wacom_wac->features.type) {
     case PENPARTNER:
         sync = wacom_penpartner_irq(wacom_wac);
         break;
 
     case PL:
         sync = wacom_pl_irq(wacom_wac);
         break;
 
     case WACOM_G4:
     case GRAPHIRE:
     case GRAPHIRE_BT:
     case WACOM_MO:
         sync = wacom_graphire_irq(wacom_wac);
         break;
 
     case PTU:
         sync = wacom_ptu_irq(wacom_wac);
         break;
 
     case DTU:
         sync = wacom_dtu_irq(wacom_wac);
         break;
 
     case DTUS:
     case DTUSX:
         sync = wacom_dtus_irq(wacom_wac);
         break;
 
     case INTUOS:
     case INTUOS3S:
     case INTUOS3:
     case INTUOS3L:
     case INTUOS4S:
     case INTUOS4:
     case INTUOS4L:
     case CINTIQ:
     case WACOM_BEE:
     case WACOM_13HD:
     case WACOM_21UX2:
     case WACOM_22HD:
     case WACOM_24HD:
     case WACOM_27QHD:
     case DTK:
     case CINTIQ_HYBRID:
     case CINTIQ_COMPANION_2:
         sync = wacom_intuos_irq(wacom_wac);
         break;
 
     case INTUOS4WL:
         sync = wacom_intuos_bt_irq(wacom_wac, len);
         break;
 
     case WACOM_24HDT:
     case WACOM_27QHDT:
         sync = wacom_24hdt_irq(wacom_wac);
         break;
 
     case INTUOS5S:
     case INTUOS5:
     case INTUOS5L:
     case INTUOSPS:
     case INTUOSPM:
     case INTUOSPL:
         if (len == WACOM_PKGLEN_BBTOUCH3)
             sync = wacom_bpt3_touch(wacom_wac);
         else if (wacom_wac->data[0] == WACOM_REPORT_USB)
             sync = wacom_status_irq(wacom_wac, len);
         else
             sync = wacom_intuos_irq(wacom_wac);
         break;
 
     case INTUOSP2_BT:
     case INTUOSP2S_BT:
     case INTUOSHT3_BT:
         sync = wacom_intuos_pro2_bt_irq(wacom_wac, len);
         break;
 
     case TABLETPC:
     case TABLETPCE:
     case TABLETPC2FG:
     case MTSCREEN:
     case MTTPC:
     case MTTPC_B:
         sync = wacom_tpc_irq(wacom_wac, len);
         break;
 
     case BAMBOO_PT:
     case BAMBOO_PEN:
     case BAMBOO_TOUCH:
     case INTUOSHT:
     case INTUOSHT2:
         if (wacom_wac->data[0] == WACOM_REPORT_USB)
             sync = wacom_status_irq(wacom_wac, len);
         else
             sync = wacom_bpt_irq(wacom_wac, len);
         break;
 
     case BAMBOO_PAD:
         sync = wacom_bamboo_pad_irq(wacom_wac, len);
         break;
 
     case WIRELESS:
         sync = wacom_wireless_irq(wacom_wac, len);
         break;
 
     case REMOTE:
         sync = false;
         if (wacom_wac->data[0] == WACOM_REPORT_DEVICE_LIST)
             wacom_remote_status_irq(wacom_wac, len);
         else
             sync = wacom_remote_irq(wacom_wac, len);
         break;
 
     default:
         sync = false;
         break;
     }
 
     if (sync) {
         if (wacom_wac->pen_input)
             input_sync(wacom_wac->pen_input);
         if (wacom_wac->touch_input)
             input_sync(wacom_wac->touch_input);
         if (wacom_wac->pad_input)
             input_sync(wacom_wac->pad_input);
     }
 }
 
 static void wacom_setup_basic_pro_pen(struct wacom_wac *wacom_wac)
 {
     struct input_dev *input_dev = wacom_wac->pen_input;
 
     input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
 
     __set_bit(BTN_TOOL_PEN, input_dev->keybit);
     __set_bit(BTN_STYLUS, input_dev->keybit);
     __set_bit(BTN_STYLUS2, input_dev->keybit);
 
     input_set_abs_params(input_dev, ABS_DISTANCE,
                  0, wacom_wac->features.distance_max, wacom_wac->features.distance_fuzz, 0);
 }
 
 static void wacom_setup_cintiq(struct wacom_wac *wacom_wac)
 {
     struct input_dev *input_dev = wacom_wac->pen_input;
     struct wacom_features *features = &wacom_wac->features;
 
     wacom_setup_basic_pro_pen(wacom_wac);
 
     __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
     __set_bit(BTN_TOOL_BRUSH, input_dev->keybit);
     __set_bit(BTN_TOOL_PENCIL, input_dev->keybit);
     __set_bit(BTN_TOOL_AIRBRUSH, input_dev->keybit);
 
     input_set_abs_params(input_dev, ABS_WHEEL, 0, 1023, 0, 0);
     input_set_abs_params(input_dev, ABS_TILT_X, -64, 63, features->tilt_fuzz, 0);
     input_abs_set_res(input_dev, ABS_TILT_X, 57);
     input_set_abs_params(input_dev, ABS_TILT_Y, -64, 63, features->tilt_fuzz, 0);
     input_abs_set_res(input_dev, ABS_TILT_Y, 57);
 }
 
 static void wacom_setup_intuos(struct wacom_wac *wacom_wac)
 {
     struct input_dev *input_dev = wacom_wac->pen_input;
 
     input_set_capability(input_dev, EV_REL, REL_WHEEL);
 
     wacom_setup_cintiq(wacom_wac);
 
     __set_bit(BTN_LEFT, input_dev->keybit);
     __set_bit(BTN_RIGHT, input_dev->keybit);
     __set_bit(BTN_MIDDLE, input_dev->keybit);
     __set_bit(BTN_SIDE, input_dev->keybit);
     __set_bit(BTN_EXTRA, input_dev->keybit);
     __set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
     __set_bit(BTN_TOOL_LENS, input_dev->keybit);
 
     input_set_abs_params(input_dev, ABS_RZ, -900, 899, 0, 0);
     input_abs_set_res(input_dev, ABS_RZ, 287);
     input_set_abs_params(input_dev, ABS_THROTTLE, -1023, 1023, 0, 0);
 }
 
 void wacom_setup_device_quirks(struct wacom *wacom)
 {
     struct wacom_wac *wacom_wac = &wacom->wacom_wac;
     struct wacom_features *features = &wacom->wacom_wac.features;
 
     /* The pen and pad share the same interface on most devices */
     if (features->type == GRAPHIRE_BT || features->type == WACOM_G4 ||
         features->type == DTUS ||
         (features->type >= INTUOS3S && features->type <= WACOM_MO)) {
         if (features->device_type & WACOM_DEVICETYPE_PEN)
             features->device_type |= WACOM_DEVICETYPE_PAD;
     }
 
     /* touch device found but size is not defined. use default */
     if (features->device_type & WACOM_DEVICETYPE_TOUCH && !features->x_max) {
         features->x_max = 1023;
         features->y_max = 1023;
     }
 
     /*
      * Intuos5/Pro and Bamboo 3rd gen have no useful data about its
      * touch interface in its HID descriptor. If this is the touch
      * interface (PacketSize of WACOM_PKGLEN_BBTOUCH3), override the
      * tablet values.
      */
     if ((features->type >= INTUOS5S && features->type <= INTUOSPL) ||
         (features->type >= INTUOSHT && features->type <= BAMBOO_PT)) {
         if (features->pktlen == WACOM_PKGLEN_BBTOUCH3) {
             if (features->touch_max)
                 features->device_type |= WACOM_DEVICETYPE_TOUCH;
             if (features->type >= INTUOSHT && features->type <= BAMBOO_PT)
                 features->device_type |= WACOM_DEVICETYPE_PAD;
 
             if (features->type == INTUOSHT2) {
                 features->x_max = features->x_max / 10;
                 features->y_max = features->y_max / 10;
             }
             else {
                 features->x_max = 4096;
                 features->y_max = 4096;
             }
         }
         else if (features->pktlen == WACOM_PKGLEN_BBTOUCH) {
             features->device_type |= WACOM_DEVICETYPE_PAD;
         }
     }
 
     /*
      * Hack for the Bamboo One:
      * the device presents a PAD/Touch interface as most Bamboos and even
      * sends ghosts PAD data on it. However, later, we must disable this
      * ghost interface, and we can not detect it unless we set it here
      * to WACOM_DEVICETYPE_PAD or WACOM_DEVICETYPE_TOUCH.
      */
     if (features->type == BAMBOO_PEN &&
         features->pktlen == WACOM_PKGLEN_BBTOUCH3)
         features->device_type |= WACOM_DEVICETYPE_PAD;
 
     /*
      * Raw Wacom-mode pen and touch events both come from interface
      * 0, whose HID descriptor has an application usage of 0xFF0D
      * (i.e., WACOM_HID_WD_DIGITIZER). We route pen packets back
      * out through the HID_GENERIC device created for interface 1,
      * so rewrite this one to be of type WACOM_DEVICETYPE_TOUCH.
      */
     if (features->type == BAMBOO_PAD)
         features->device_type = WACOM_DEVICETYPE_TOUCH;
 
     if (features->type == REMOTE)
         features->device_type = WACOM_DEVICETYPE_PAD;
 
     if (features->type == INTUOSP2_BT ||
         features->type == INTUOSP2S_BT) {
         features->device_type |= WACOM_DEVICETYPE_PEN |
                      WACOM_DEVICETYPE_PAD |
                      WACOM_DEVICETYPE_TOUCH;
         features->quirks |= WACOM_QUIRK_BATTERY;
     }
 
     if (features->type == INTUOSHT3_BT) {
         features->device_type |= WACOM_DEVICETYPE_PEN |
                      WACOM_DEVICETYPE_PAD;
         features->quirks |= WACOM_QUIRK_BATTERY;
     }
 
     switch (features->type) {
     case PL:
     case DTU:
     case DTUS:
     case DTUSX:
     case WACOM_21UX2:
     case WACOM_22HD:
     case DTK:
     case WACOM_24HD:
     case WACOM_27QHD:
     case CINTIQ_HYBRID:
     case CINTIQ_COMPANION_2:
     case CINTIQ:
     case WACOM_BEE:
     case WACOM_13HD:
     case WACOM_24HDT:
     case WACOM_27QHDT:
     case TABLETPC:
     case TABLETPCE:
     case TABLETPC2FG:
     case MTSCREEN:
     case MTTPC:
     case MTTPC_B:
         features->device_type |= WACOM_DEVICETYPE_DIRECT;
         break;
     }
 
     if (wacom->hdev->bus == BUS_BLUETOOTH)
         features->quirks |= WACOM_QUIRK_BATTERY;
 
     /* quirk for bamboo touch with 2 low res touches */
     if ((features->type == BAMBOO_PT || features->type == BAMBOO_TOUCH) &&
         features->pktlen == WACOM_PKGLEN_BBTOUCH) {
         features->x_max <<= 5;
         features->y_max <<= 5;
         features->x_fuzz <<= 5;
         features->y_fuzz <<= 5;
         features->quirks |= WACOM_QUIRK_BBTOUCH_LOWRES;
     }
 
     if (features->type == WIRELESS) {
         if (features->device_type == WACOM_DEVICETYPE_WL_MONITOR) {
             features->quirks |= WACOM_QUIRK_BATTERY;
         }
     }
 
     if (features->type == REMOTE)
         features->device_type |= WACOM_DEVICETYPE_WL_MONITOR;
 
     /* HID descriptor for DTK-2451 / DTH-2452 claims to report lots
      * of things it shouldn't. Lets fix up the damage...
      */
     if (wacom->hdev->product == 0x382 || wacom->hdev->product == 0x37d) {
         features->quirks &= ~WACOM_QUIRK_TOOLSERIAL;
         __clear_bit(BTN_TOOL_BRUSH, wacom_wac->pen_input->keybit);
         __clear_bit(BTN_TOOL_PENCIL, wacom_wac->pen_input->keybit);
         __clear_bit(BTN_TOOL_AIRBRUSH, wacom_wac->pen_input->keybit);
         __clear_bit(ABS_Z, wacom_wac->pen_input->absbit);
         __clear_bit(ABS_DISTANCE, wacom_wac->pen_input->absbit);
         __clear_bit(ABS_TILT_X, wacom_wac->pen_input->absbit);
         __clear_bit(ABS_TILT_Y, wacom_wac->pen_input->absbit);
         __clear_bit(ABS_WHEEL, wacom_wac->pen_input->absbit);
         __clear_bit(ABS_MISC, wacom_wac->pen_input->absbit);
         __clear_bit(MSC_SERIAL, wacom_wac->pen_input->mscbit);
         __clear_bit(EV_MSC, wacom_wac->pen_input->evbit);
     }
 }
 
 int wacom_setup_pen_input_capabilities(struct input_dev *input_dev,
                    struct wacom_wac *wacom_wac)
 {
     struct wacom_features *features = &wacom_wac->features;
 
     if (!(features->device_type & WACOM_DEVICETYPE_PEN))
         return -ENODEV;
 
     if (features->device_type & WACOM_DEVICETYPE_DIRECT)
         __set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
     else
         __set_bit(INPUT_PROP_POINTER, input_dev->propbit);
 
     if (features->type == HID_GENERIC)
         /* setup has already been done */
         return 0;
 
     input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
     __set_bit(BTN_TOUCH, input_dev->keybit);
     __set_bit(ABS_MISC, input_dev->absbit);
 
     input_set_abs_params(input_dev, ABS_X, 0 + features->offset_left,
                  features->x_max - features->offset_right,
                  features->x_fuzz, 0);
     input_set_abs_params(input_dev, ABS_Y, 0 + features->offset_top,
                  features->y_max - features->offset_bottom,
                  features->y_fuzz, 0);
     input_set_abs_params(input_dev, ABS_PRESSURE, 0,
         features->pressure_max, features->pressure_fuzz, 0);
 
     /* penabled devices have fixed resolution for each model */
     input_abs_set_res(input_dev, ABS_X, features->x_resolution);
     input_abs_set_res(input_dev, ABS_Y, features->y_resolution);
 
     switch (features->type) {
     case GRAPHIRE_BT:
         __clear_bit(ABS_MISC, input_dev->absbit);
         fallthrough;
 
     case WACOM_MO:
     case WACOM_G4:
         input_set_abs_params(input_dev, ABS_DISTANCE, 0,
                           features->distance_max,
                           features->distance_fuzz, 0);
         fallthrough;
 
     case GRAPHIRE:
         input_set_capability(input_dev, EV_REL, REL_WHEEL);
 
         __set_bit(BTN_LEFT, input_dev->keybit);
         __set_bit(BTN_RIGHT, input_dev->keybit);
         __set_bit(BTN_MIDDLE, input_dev->keybit);
 
         __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
         __set_bit(BTN_TOOL_PEN, input_dev->keybit);
         __set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
         __set_bit(BTN_STYLUS, input_dev->keybit);
         __set_bit(BTN_STYLUS2, input_dev->keybit);
         break;
 
     case WACOM_27QHD:
     case WACOM_24HD:
     case DTK:
     case WACOM_22HD:
     case WACOM_21UX2:
     case WACOM_BEE:
     case CINTIQ:
     case WACOM_13HD:
     case CINTIQ_HYBRID:
     case CINTIQ_COMPANION_2:
         input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
         input_abs_set_res(input_dev, ABS_Z, 287);
         wacom_setup_cintiq(wacom_wac);
         break;
 
     case INTUOS3:
     case INTUOS3L:
     case INTUOS3S:
     case INTUOS4:
     case INTUOS4WL:
     case INTUOS4L:
     case INTUOS4S:
         input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
         input_abs_set_res(input_dev, ABS_Z, 287);
         fallthrough;
 
     case INTUOS:
         wacom_setup_intuos(wacom_wac);
         break;
 
     case INTUOS5:
     case INTUOS5L:
     case INTUOSPM:
     case INTUOSPL:
     case INTUOS5S:
     case INTUOSPS:
     case INTUOSP2_BT:
     case INTUOSP2S_BT:
         input_set_abs_params(input_dev, ABS_DISTANCE, 0,
                       features->distance_max,
                       features->distance_fuzz, 0);
 
         input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
         input_abs_set_res(input_dev, ABS_Z, 287);
 
         wacom_setup_intuos(wacom_wac);
         break;
 
     case WACOM_24HDT:
     case WACOM_27QHDT:
     case MTSCREEN:
     case MTTPC:
     case MTTPC_B:
     case TABLETPC2FG:
     case TABLETPC:
     case TABLETPCE:
         __clear_bit(ABS_MISC, input_dev->absbit);
         fallthrough;
 
     case DTUS:
     case DTUSX:
     case PL:
     case DTU:
         __set_bit(BTN_TOOL_PEN, input_dev->keybit);
         __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
         __set_bit(BTN_STYLUS, input_dev->keybit);
         __set_bit(BTN_STYLUS2, input_dev->keybit);
         break;
 
     case PTU:
         __set_bit(BTN_STYLUS2, input_dev->keybit);
         fallthrough;
 
     case PENPARTNER:
         __set_bit(BTN_TOOL_PEN, input_dev->keybit);
         __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
         __set_bit(BTN_STYLUS, input_dev->keybit);
         break;
 
     case INTUOSHT:
     case BAMBOO_PT:
     case BAMBOO_PEN:
     case INTUOSHT2:
     case INTUOSHT3_BT:
         if (features->type == INTUOSHT2 ||
             features->type == INTUOSHT3_BT) {
             wacom_setup_basic_pro_pen(wacom_wac);
         } else {
             __clear_bit(ABS_MISC, input_dev->absbit);
             __set_bit(BTN_TOOL_PEN, input_dev->keybit);
             __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
             __set_bit(BTN_STYLUS, input_dev->keybit);
             __set_bit(BTN_STYLUS2, input_dev->keybit);
             input_set_abs_params(input_dev, ABS_DISTANCE, 0,
                       features->distance_max,
                       features->distance_fuzz, 0);
         }
         break;
     case BAMBOO_PAD:
         __clear_bit(ABS_MISC, input_dev->absbit);
         break;
     }
     return 0;
 }
 
 int wacom_setup_touch_input_capabilities(struct input_dev *input_dev,
                      struct wacom_wac *wacom_wac)
 {
     struct wacom_features *features = &wacom_wac->features;
 
     if (!(features->device_type & WACOM_DEVICETYPE_TOUCH))
         return -ENODEV;
 
     if (features->device_type & WACOM_DEVICETYPE_DIRECT)
         __set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
     else
         __set_bit(INPUT_PROP_POINTER, input_dev->propbit);
 
     if (features->type == HID_GENERIC)
         /* setup has already been done */
         return 0;
 
     input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
     __set_bit(BTN_TOUCH, input_dev->keybit);
 
     if (features->touch_max == 1) {
         input_set_abs_params(input_dev, ABS_X, 0,
             features->x_max, features->x_fuzz, 0);
         input_set_abs_params(input_dev, ABS_Y, 0,
             features->y_max, features->y_fuzz, 0);
         input_abs_set_res(input_dev, ABS_X,
                   features->x_resolution);
         input_abs_set_res(input_dev, ABS_Y,
                   features->y_resolution);
     }
     else if (features->touch_max > 1) {
         input_set_abs_params(input_dev, ABS_MT_POSITION_X, 0,
             features->x_max, features->x_fuzz, 0);
         input_set_abs_params(input_dev, ABS_MT_POSITION_Y, 0,
             features->y_max, features->y_fuzz, 0);
         input_abs_set_res(input_dev, ABS_MT_POSITION_X,
                   features->x_resolution);
         input_abs_set_res(input_dev, ABS_MT_POSITION_Y,
                   features->y_resolution);
     }
 
     switch (features->type) {
     case INTUOSP2_BT:
     case INTUOSP2S_BT:
         input_dev->evbit[0] |= BIT_MASK(EV_SW);
         __set_bit(SW_MUTE_DEVICE, input_dev->swbit);
 
         if (wacom_wac->shared->touch->product == 0x361) {
             input_set_abs_params(input_dev, ABS_MT_POSITION_X,
                          0, 12440, 4, 0);
             input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
                          0, 8640, 4, 0);
         }
         else if (wacom_wac->shared->touch->product == 0x360) {
             input_set_abs_params(input_dev, ABS_MT_POSITION_X,
                          0, 8960, 4, 0);
             input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
                          0, 5920, 4, 0);
         }
         else if (wacom_wac->shared->touch->product == 0x393) {
             input_set_abs_params(input_dev, ABS_MT_POSITION_X,
                          0, 6400, 4, 0);
             input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
                          0, 4000, 4, 0);
         }
         input_abs_set_res(input_dev, ABS_MT_POSITION_X, 40);
         input_abs_set_res(input_dev, ABS_MT_POSITION_Y, 40);
 
         fallthrough;
 
     case INTUOS5:
     case INTUOS5L:
     case INTUOSPM:
     case INTUOSPL:
     case INTUOS5S:
     case INTUOSPS:
         input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, features->x_max, 0, 0);
         input_set_abs_params(input_dev, ABS_MT_TOUCH_MINOR, 0, features->y_max, 0, 0);
         input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_POINTER);
         break;
 
     case WACOM_24HDT:
         input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, features->x_max, 0, 0);
         input_set_abs_params(input_dev, ABS_MT_WIDTH_MAJOR, 0, features->x_max, 0, 0);
         input_set_abs_params(input_dev, ABS_MT_WIDTH_MINOR, 0, features->y_max, 0, 0);
         input_set_abs_params(input_dev, ABS_MT_ORIENTATION, 0, 1, 0, 0);
         fallthrough;
 
     case WACOM_27QHDT:
         if (wacom_wac->shared->touch->product == 0x32C ||
             wacom_wac->shared->touch->product == 0xF6) {
             input_dev->evbit[0] |= BIT_MASK(EV_SW);
             __set_bit(SW_MUTE_DEVICE, input_dev->swbit);
             wacom_wac->has_mute_touch_switch = true;
             wacom_wac->is_soft_touch_switch = true;
         }
         fallthrough;
 
     case MTSCREEN:
     case MTTPC:
     case MTTPC_B:
     case TABLETPC2FG:
         input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_DIRECT);
         fallthrough;
 
     case TABLETPC:
     case TABLETPCE:
         break;
 
     case INTUOSHT:
     case INTUOSHT2:
         input_dev->evbit[0] |= BIT_MASK(EV_SW);
         __set_bit(SW_MUTE_DEVICE, input_dev->swbit);
         fallthrough;
 
     case BAMBOO_PT:
     case BAMBOO_TOUCH:
         if (features->pktlen == WACOM_PKGLEN_BBTOUCH3) {
             input_set_abs_params(input_dev,
                      ABS_MT_TOUCH_MAJOR,
                      0, features->x_max, 0, 0);
             input_set_abs_params(input_dev,
                      ABS_MT_TOUCH_MINOR,
                      0, features->y_max, 0, 0);
         }
         input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_POINTER);
         break;
 
     case BAMBOO_PAD:
         input_mt_init_slots(input_dev, features->touch_max,
                     INPUT_MT_POINTER);
         __set_bit(BTN_LEFT, input_dev->keybit);
         __set_bit(BTN_RIGHT, input_dev->keybit);
         break;
     }
     return 0;
 }
 
 static int wacom_numbered_button_to_key(int n)
 {
     if (n < 10)
         return BTN_0 + n;
     else if (n < 16)
         return BTN_A + (n-10);
     else if (n < 18)
         return BTN_BASE + (n-16);
     else
         return 0;
 }
 
 static void wacom_setup_numbered_buttons(struct input_dev *input_dev,
                 int button_count)
 {
     int i;
 
     for (i = 0; i < button_count; i++) {
         int key = wacom_numbered_button_to_key(i);
 
         if (key)
             __set_bit(key, input_dev->keybit);
     }
 }
 
 static void wacom_24hd_update_leds(struct wacom *wacom, int mask, int group)
 {
     struct wacom_led *led;
     int i;
     bool updated = false;
 
     /*
      * 24HD has LED group 1 to the left and LED group 0 to the right.
      * So group 0 matches the second half of the buttons and thus the mask
      * needs to be shifted.
      */
     if (group == 0)
         mask >>= 8;
 
     for (i = 0; i < 3; i++) {
         led = wacom_led_find(wacom, group, i);
         if (!led) {
             hid_err(wacom->hdev, "can't find LED %d in group %d\n",
                 i, group);
             continue;
         }
         if (!updated && mask & BIT(i)) {
             led->held = true;
             led_trigger_event(&led->trigger, LED_FULL);
         } else {
             led->held = false;
         }
     }
 }
 
 static bool wacom_is_led_toggled(struct wacom *wacom, int button_count,
                  int mask, int group)
 {
     int group_button;
 
     /*
      * 21UX2 has LED group 1 to the left and LED group 0
      * to the right. We need to reverse the group to match this
      * historical behavior.
      */
     if (wacom->wacom_wac.features.type == WACOM_21UX2)
         group = 1 - group;
 
     group_button = group * (button_count/wacom->led.count);
 
     if (wacom->wacom_wac.features.type == INTUOSP2_BT)
         group_button = 8;
 
     return mask & (1 << group_button);
 }
 
 static void wacom_update_led(struct wacom *wacom, int button_count, int mask,
                  int group)
 {
     struct wacom_led *led, *next_led;
     int cur;
     bool pressed;
 
     if (wacom->wacom_wac.features.type == WACOM_24HD)
         return wacom_24hd_update_leds(wacom, mask, group);
 
     pressed = wacom_is_led_toggled(wacom, button_count, mask, group);
     cur = wacom->led.groups[group].select;
 
     led = wacom_led_find(wacom, group, cur);
     if (!led) {
         hid_err(wacom->hdev, "can't find current LED %d in group %d\n",
             cur, group);
         return;
     }
 
     if (!pressed) {
         led->held = false;
         return;
     }
 
     if (led->held && pressed)
         return;
 
     next_led = wacom_led_next(wacom, led);
     if (!next_led) {
         hid_err(wacom->hdev, "can't find next LED in group %d\n",
             group);
         return;
     }
     if (next_led == led)
         return;
 
     next_led->held = true;
     led_trigger_event(&next_led->trigger,
               wacom_leds_brightness_get(next_led));
 }
 
 static void wacom_report_numbered_buttons(struct input_dev *input_dev,
                 int button_count, int mask)
 {
     struct wacom *wacom = input_get_drvdata(input_dev);
     int i;
 
     for (i = 0; i < wacom->led.count; i++)
         wacom_update_led(wacom,  button_count, mask, i);
 
     for (i = 0; i < button_count; i++) {
         int key = wacom_numbered_button_to_key(i);
 
         if (key)
             input_report_key(input_dev, key, mask & (1 << i));
     }
 }
 
 int wacom_setup_pad_input_capabilities(struct input_dev *input_dev,
                    struct wacom_wac *wacom_wac)
 {
     struct wacom_features *features = &wacom_wac->features;
 
     if ((features->type == HID_GENERIC) && features->numbered_buttons > 0)
         features->device_type |= WACOM_DEVICETYPE_PAD;
 
     if (!(features->device_type & WACOM_DEVICETYPE_PAD))
         return -ENODEV;
 
     if (features->type == REMOTE && input_dev == wacom_wac->pad_input)
         return -ENODEV;
 
     input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
 
     /* kept for making legacy xf86-input-wacom working with the wheels */
     __set_bit(ABS_MISC, input_dev->absbit);
 
     /* kept for making legacy xf86-input-wacom accepting the pad */
     if (!(input_dev->absinfo && (input_dev->absinfo[ABS_X].minimum ||
           input_dev->absinfo[ABS_X].maximum)))
         input_set_abs_params(input_dev, ABS_X, 0, 1, 0, 0);
     if (!(input_dev->absinfo && (input_dev->absinfo[ABS_Y].minimum ||
           input_dev->absinfo[ABS_Y].maximum)))
         input_set_abs_params(input_dev, ABS_Y, 0, 1, 0, 0);
 
     /* kept for making udev and libwacom accepting the pad */
     __set_bit(BTN_STYLUS, input_dev->keybit);
 
     wacom_setup_numbered_buttons(input_dev, features->numbered_buttons);
 
     switch (features->type) {
 
     case CINTIQ_HYBRID:
     case CINTIQ_COMPANION_2:
     case DTK:
     case DTUS:
     case GRAPHIRE_BT:
         break;
 
     case WACOM_MO:
         __set_bit(BTN_BACK, input_dev->keybit);
         __set_bit(BTN_LEFT, input_dev->keybit);
         __set_bit(BTN_FORWARD, input_dev->keybit);
         __set_bit(BTN_RIGHT, input_dev->keybit);
         input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
         break;
 
     case WACOM_G4:
         __set_bit(BTN_BACK, input_dev->keybit);
         __set_bit(BTN_FORWARD, input_dev->keybit);
         input_set_capability(input_dev, EV_REL, REL_WHEEL);
         break;
 
     case WACOM_24HD:
         __set_bit(KEY_PROG1, input_dev->keybit);
         __set_bit(KEY_PROG2, input_dev->keybit);
         __set_bit(KEY_PROG3, input_dev->keybit);
 
         __set_bit(KEY_ONSCREEN_KEYBOARD, input_dev->keybit);
         __set_bit(KEY_INFO, input_dev->keybit);
 
         if (!features->oPid)
             __set_bit(KEY_BUTTONCONFIG, input_dev->keybit);
 
         input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
         input_set_abs_params(input_dev, ABS_THROTTLE, 0, 71, 0, 0);
         break;
 
     case WACOM_27QHD:
         __set_bit(KEY_PROG1, input_dev->keybit);
         __set_bit(KEY_PROG2, input_dev->keybit);
         __set_bit(KEY_PROG3, input_dev->keybit);
 
         __set_bit(KEY_ONSCREEN_KEYBOARD, input_dev->keybit);
         __set_bit(KEY_BUTTONCONFIG, input_dev->keybit);
 
         if (!features->oPid)
             __set_bit(KEY_CONTROLPANEL, input_dev->keybit);
         input_set_abs_params(input_dev, ABS_X, -2048, 2048, 0, 0);
         input_abs_set_res(input_dev, ABS_X, 1024); /* points/g */
         input_set_abs_params(input_dev, ABS_Y, -2048, 2048, 0, 0);
         input_abs_set_res(input_dev, ABS_Y, 1024);
         input_set_abs_params(input_dev, ABS_Z, -2048, 2048, 0, 0);
         input_abs_set_res(input_dev, ABS_Z, 1024);
         __set_bit(INPUT_PROP_ACCELEROMETER, input_dev->propbit);
         break;
 
     case WACOM_22HD:
         __set_bit(KEY_PROG1, input_dev->keybit);
         __set_bit(KEY_PROG2, input_dev->keybit);
         __set_bit(KEY_PROG3, input_dev->keybit);
 
         __set_bit(KEY_BUTTONCONFIG, input_dev->keybit);
         __set_bit(KEY_INFO, input_dev->keybit);
         fallthrough;
 
     case WACOM_21UX2:
     case WACOM_BEE:
     case CINTIQ:
         input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
         input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
         break;
 
     case WACOM_13HD:
         input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
         break;
 
     case INTUOS3:
     case INTUOS3L:
         input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
         fallthrough;
 
     case INTUOS3S:
         input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
         break;
 
     case INTUOS5:
     case INTUOS5L:
     case INTUOSPM:
     case INTUOSPL:
     case INTUOS5S:
     case INTUOSPS:
     case INTUOSP2_BT:
     case INTUOSP2S_BT:
         input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
         break;
 
     case INTUOS4WL:
         /*
          * For Bluetooth devices, the udev rule does not work correctly
          * for pads unless we add a stylus capability, which forces
          * ID_INPUT_TABLET to be set.
          */
         __set_bit(BTN_STYLUS, input_dev->keybit);
         fallthrough;
 
     case INTUOS4:
     case INTUOS4L:
     case INTUOS4S:
         input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
         break;
 
     case INTUOSHT:
     case BAMBOO_PT:
     case BAMBOO_TOUCH:
     case INTUOSHT2:
         __clear_bit(ABS_MISC, input_dev->absbit);
 
         __set_bit(BTN_LEFT, input_dev->keybit);
         __set_bit(BTN_FORWARD, input_dev->keybit);
         __set_bit(BTN_BACK, input_dev->keybit);
         __set_bit(BTN_RIGHT, input_dev->keybit);
 
         break;
 
     case REMOTE:
         input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
         input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
         break;
 
     case INTUOSHT3_BT:
     case HID_GENERIC:
         break;
 
     default:
         /* no pad supported */
         return -ENODEV;
     }
     return 0;
 }
 
 static const struct wacom_features wacom_features_0x00 =
     { "Wacom Penpartner", 5040, 3780, 255, 0,
       PENPARTNER, WACOM_PENPRTN_RES, WACOM_PENPRTN_RES };
 static const struct wacom_features wacom_features_0x10 =
     { "Wacom Graphire", 10206, 7422, 511, 63,
       GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
 static const struct wacom_features wacom_features_0x81 =
     { "Wacom Graphire BT", 16704, 12064, 511, 32,
       GRAPHIRE_BT, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES, 2 };
 static const struct wacom_features wacom_features_0x11 =
     { "Wacom Graphire2 4x5", 10206, 7422, 511, 63,
       GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
 static const struct wacom_features wacom_features_0x12 =
     { "Wacom Graphire2 5x7", 13918, 10206, 511, 63,
       GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
 static const struct wacom_features wacom_features_0x13 =
     { "Wacom Graphire3", 10208, 7424, 511, 63,
       GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
 static const struct wacom_features wacom_features_0x14 =
     { "Wacom Graphire3 6x8", 16704, 12064, 511, 63,
       GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
 static const struct wacom_features wacom_features_0x15 =
     { "Wacom Graphire4 4x5", 10208, 7424, 511, 63,
       WACOM_G4, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
 static const struct wacom_features wacom_features_0x16 =
     { "Wacom Graphire4 6x8", 16704, 12064, 511, 63,
       WACOM_G4, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
 static const struct wacom_features wacom_features_0x17 =
     { "Wacom BambooFun 4x5", 14760, 9225, 511, 63,
       WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
 static const struct wacom_features wacom_features_0x18 =
     { "Wacom BambooFun 6x8", 21648, 13530, 511, 63,
       WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
 static const struct wacom_features wacom_features_0x19 =
     { "Wacom Bamboo1 Medium", 16704, 12064, 511, 63,
       GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
 static const struct wacom_features wacom_features_0x60 =
     { "Wacom Volito", 5104, 3712, 511, 63,
       GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
 static const struct wacom_features wacom_features_0x61 =
     { "Wacom PenStation2", 3250, 2320, 255, 63,
       GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
 static const struct wacom_features wacom_features_0x62 =
     { "Wacom Volito2 4x5", 5104, 3712, 511, 63,
       GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
 static const struct wacom_features wacom_features_0x63 =
     { "Wacom Volito2 2x3", 3248, 2320, 511, 63,
       GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
 static const struct wacom_features wacom_features_0x64 =
     { "Wacom PenPartner2", 3250, 2320, 511, 63,
       GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
 static const struct wacom_features wacom_features_0x65 =
     { "Wacom Bamboo", 14760, 9225, 511, 63,
       WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
 static const struct wacom_features wacom_features_0x69 =
     { "Wacom Bamboo1", 5104, 3712, 511, 63,
       GRAPHIRE, WACOM_PENPRTN_RES, WACOM_PENPRTN_RES };
 static const struct wacom_features wacom_features_0x6A =
     { "Wacom Bamboo1 4x6", 14760, 9225, 1023, 63,
       GRAPHIRE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
 static const struct wacom_features wacom_features_0x6B =
     { "Wacom Bamboo1 5x8", 21648, 13530, 1023, 63,
       GRAPHIRE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
 static const struct wacom_features wacom_features_0x20 =
     { "Wacom Intuos 4x5", 12700, 10600, 1023, 31,
       INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
 static const struct wacom_features wacom_features_0x21 =
     { "Wacom Intuos 6x8", 20320, 16240, 1023, 31,
       INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
 static const struct wacom_features wacom_features_0x22 =
     { "Wacom Intuos 9x12", 30480, 24060, 1023, 31,
       INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
 static const struct wacom_features wacom_features_0x23 =
     { "Wacom Intuos 12x12", 30480, 31680, 1023, 31,
       INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
 static const struct wacom_features wacom_features_0x24 =
     { "Wacom Intuos 12x18", 45720, 31680, 1023, 31,
       INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
 static const struct wacom_features wacom_features_0x30 =
     { "Wacom PL400", 5408, 4056, 255, 0,
       PL, WACOM_PL_RES, WACOM_PL_RES };
 static const struct wacom_features wacom_features_0x31 =
     { "Wacom PL500", 6144, 4608, 255, 0,
       PL, WACOM_PL_RES, WACOM_PL_RES };
 static const struct wacom_features wacom_features_0x32 =
     { "Wacom PL600", 6126, 4604, 255, 0,
       PL, WACOM_PL_RES, WACOM_PL_RES };
 static const struct wacom_features wacom_features_0x33 =
     { "Wacom PL600SX", 6260, 5016, 255, 0,
       PL, WACOM_PL_RES, WACOM_PL_RES };
 static const struct wacom_features wacom_features_0x34 =
     { "Wacom PL550", 6144, 4608, 511, 0,
       PL, WACOM_PL_RES, WACOM_PL_RES };
 static const struct wacom_features wacom_features_0x35 =
     { "Wacom PL800", 7220, 5780, 511, 0,
       PL, WACOM_PL_RES, WACOM_PL_RES };
 static const struct wacom_features wacom_features_0x37 =
     { "Wacom PL700", 6758, 5406, 511, 0,
       PL, WACOM_PL_RES, WACOM_PL_RES };
 static const struct wacom_features wacom_features_0x38 =
     { "Wacom PL510", 6282, 4762, 511, 0,
       PL, WACOM_PL_RES, WACOM_PL_RES };
 static const struct wacom_features wacom_features_0x39 =
     { "Wacom DTU710", 34080, 27660, 511, 0,
       PL, WACOM_PL_RES, WACOM_PL_RES };
 static const struct wacom_features wacom_features_0xC4 =
     { "Wacom DTF521", 6282, 4762, 511, 0,
       PL, WACOM_PL_RES, WACOM_PL_RES };
 static const struct wacom_features wacom_features_0xC0 =
     { "Wacom DTF720", 6858, 5506, 511, 0,
       PL, WACOM_PL_RES, WACOM_PL_RES };
 static const struct wacom_features wacom_features_0xC2 =
     { "Wacom DTF720a", 6858, 5506, 511, 0,
       PL, WACOM_PL_RES, WACOM_PL_RES };
 static const struct wacom_features wacom_features_0x03 =
     { "Wacom Cintiq Partner", 20480, 15360, 511, 0,
       PTU, WACOM_PL_RES, WACOM_PL_RES };
 static const struct wacom_features wacom_features_0x41 =
     { "Wacom Intuos2 4x5", 12700, 10600, 1023, 31,
       INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
 static const struct wacom_features wacom_features_0x42 =
     { "Wacom Intuos2 6x8", 20320, 16240, 1023, 31,
       INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
 static const struct wacom_features wacom_features_0x43 =
     { "Wacom Intuos2 9x12", 30480, 24060, 1023, 31,
       INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
 static const struct wacom_features wacom_features_0x44 =
     { "Wacom Intuos2 12x12", 30480, 31680, 1023, 31,
       INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
 static const struct wacom_features wacom_features_0x45 =
     { "Wacom Intuos2 12x18", 45720, 31680, 1023, 31,
       INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
 static const struct wacom_features wacom_features_0xB0 =
     { "Wacom Intuos3 4x5", 25400, 20320, 1023, 63,
       INTUOS3S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 4 };
 static const struct wacom_features wacom_features_0xB1 =
     { "Wacom Intuos3 6x8", 40640, 30480, 1023, 63,
       INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
 static const struct wacom_features wacom_features_0xB2 =
     { "Wacom Intuos3 9x12", 60960, 45720, 1023, 63,
       INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
 static const struct wacom_features wacom_features_0xB3 =
     { "Wacom Intuos3 12x12", 60960, 60960, 1023, 63,
       INTUOS3L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
 static const struct wacom_features wacom_features_0xB4 =
     { "Wacom Intuos3 12x19", 97536, 60960, 1023, 63,
       INTUOS3L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
 static const struct wacom_features wacom_features_0xB5 =
     { "Wacom Intuos3 6x11", 54204, 31750, 1023, 63,
       INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
 static const struct wacom_features wacom_features_0xB7 =
     { "Wacom Intuos3 4x6", 31496, 19685, 1023, 63,
       INTUOS3S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 4 };
 static const struct wacom_features wacom_features_0xB8 =
     { "Wacom Intuos4 4x6", 31496, 19685, 2047, 63,
       INTUOS4S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7 };
 static const struct wacom_features wacom_features_0xB9 =
     { "Wacom Intuos4 6x9", 44704, 27940, 2047, 63,
       INTUOS4, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
 static const struct wacom_features wacom_features_0xBA =
     { "Wacom Intuos4 8x13", 65024, 40640, 2047, 63,
       INTUOS4L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
 static const struct wacom_features wacom_features_0xBB =
     { "Wacom Intuos4 12x19", 97536, 60960, 2047, 63,
       INTUOS4L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
 static const struct wacom_features wacom_features_0xBC =
     { "Wacom Intuos4 WL", 40640, 25400, 2047, 63,
       INTUOS4, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
 static const struct wacom_features wacom_features_0xBD =
     { "Wacom Intuos4 WL", 40640, 25400, 2047, 63,
       INTUOS4WL, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
 static const struct wacom_features wacom_features_0x26 =
     { "Wacom Intuos5 touch S", 31496, 19685, 2047, 63,
       INTUOS5S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7, .touch_max = 16 };
 static const struct wacom_features wacom_features_0x27 =
     { "Wacom Intuos5 touch M", 44704, 27940, 2047, 63,
       INTUOS5, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16 };
 static const struct wacom_features wacom_features_0x28 =
     { "Wacom Intuos5 touch L", 65024, 40640, 2047, 63,
       INTUOS5L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16 };
 static const struct wacom_features wacom_features_0x29 =
     { "Wacom Intuos5 S", 31496, 19685, 2047, 63,
       INTUOS5S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7 };
 static const struct wacom_features wacom_features_0x2A =
     { "Wacom Intuos5 M", 44704, 27940, 2047, 63,
       INTUOS5, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
 static const struct wacom_features wacom_features_0x314 =
     { "Wacom Intuos Pro S", 31496, 19685, 2047, 63,
       INTUOSPS, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7, .touch_max = 16,
       .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
 static const struct wacom_features wacom_features_0x315 =
     { "Wacom Intuos Pro M", 44704, 27940, 2047, 63,
       INTUOSPM, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16,
       .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
 static const struct wacom_features wacom_features_0x317 =
     { "Wacom Intuos Pro L", 65024, 40640, 2047, 63,
       INTUOSPL, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16,
       .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
 static const struct wacom_features wacom_features_0xF4 =
     { "Wacom Cintiq 24HD", 104480, 65600, 2047, 63,
       WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 16,
       WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
       WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
 static const struct wacom_features wacom_features_0xF8 =
     { "Wacom Cintiq 24HD touch", 104480, 65600, 2047, 63, /* Pen */
       WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 16,
       WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
       WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
       .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf6 };
 static const struct wacom_features wacom_features_0xF6 =
     { "Wacom Cintiq 24HD touch", .type = WACOM_24HDT, /* Touch */
       .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf8, .touch_max = 10,
       .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
 static const struct wacom_features wacom_features_0x32A =
     { "Wacom Cintiq 27QHD", 120140, 67920, 2047, 63,
       WACOM_27QHD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 0,
       WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
       WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
 static const struct wacom_features wacom_features_0x32B =
     { "Wacom Cintiq 27QHD touch", 120140, 67920, 2047, 63,
       WACOM_27QHD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 0,
       WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
       WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
       .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x32C };
 static const struct wacom_features wacom_features_0x32C =
     { "Wacom Cintiq 27QHD touch", .type = WACOM_27QHDT,
       .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x32B, .touch_max = 10 };
 static const struct wacom_features wacom_features_0x3F =
     { "Wacom Cintiq 21UX", 87200, 65600, 1023, 63,
       CINTIQ, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
 static const struct wacom_features wacom_features_0xC5 =
     { "Wacom Cintiq 20WSX", 86680, 54180, 1023, 63,
       WACOM_BEE, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 10 };
 static const struct wacom_features wacom_features_0xC6 =
     { "Wacom Cintiq 12WX", 53020, 33440, 1023, 63,
       WACOM_BEE, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 10 };
 static const struct wacom_features wacom_features_0x304 =
     { "Wacom Cintiq 13HD", 59552, 33848, 1023, 63,
       WACOM_13HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
       WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
       WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
 static const struct wacom_features wacom_features_0x333 =
     { "Wacom Cintiq 13HD touch", 59552, 33848, 2047, 63,
       WACOM_13HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
       WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
       WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
       .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x335 };
 static const struct wacom_features wacom_features_0x335 =
     { "Wacom Cintiq 13HD touch", .type = WACOM_24HDT, /* Touch */
       .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x333, .touch_max = 10,
       .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
 static const struct wacom_features wacom_features_0xC7 =
     { "Wacom DTU1931", 37832, 30305, 511, 0,
       PL, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
 static const struct wacom_features wacom_features_0xCE =
     { "Wacom DTU2231", 47864, 27011, 511, 0,
       DTU, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
       .check_for_hid_type = true, .hid_type = HID_TYPE_USBMOUSE };
 static const struct wacom_features wacom_features_0xF0 =
     { "Wacom DTU1631", 34623, 19553, 511, 0,
       DTU, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
 static const struct wacom_features wacom_features_0xFB =
     { "Wacom DTU1031", 22096, 13960, 511, 0,
       DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
       WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
       WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
 static const struct wacom_features wacom_features_0x32F =
     { "Wacom DTU1031X", 22672, 12928, 511, 0,
       DTUSX, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 0,
       WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
       WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
 static const struct wacom_features wacom_features_0x336 =
     { "Wacom DTU1141", 23672, 13403, 1023, 0,
       DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
       WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
       WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
 static const struct wacom_features wacom_features_0x57 =
     { "Wacom DTK2241", 95840, 54260, 2047, 63,
       DTK, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 6,
       WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
       WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
 static const struct wacom_features wacom_features_0x59 = /* Pen */
     { "Wacom DTH2242", 95840, 54260, 2047, 63,
       DTK, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 6,
       WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
       WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
       .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5D };
 static const struct wacom_features wacom_features_0x5D = /* Touch */
     { "Wacom DTH2242",       .type = WACOM_24HDT,
       .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x59, .touch_max = 10,
       .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
 static const struct wacom_features wacom_features_0xCC =
     { "Wacom Cintiq 21UX2", 87200, 65600, 2047, 63,
       WACOM_21UX2, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
       WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
       WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
 static const struct wacom_features wacom_features_0xFA =
     { "Wacom Cintiq 22HD", 95840, 54260, 2047, 63,
       WACOM_22HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
       WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
       WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
 static const struct wacom_features wacom_features_0x5B =
     { "Wacom Cintiq 22HDT", 95840, 54260, 2047, 63,
       WACOM_22HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
       WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
       WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
       .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5e };
 static const struct wacom_features wacom_features_0x5E =
     { "Wacom Cintiq 22HDT", .type = WACOM_24HDT,
       .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5b, .touch_max = 10,
       .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
 static const struct wacom_features wacom_features_0x90 =
     { "Wacom ISDv4 90", 26202, 16325, 255, 0,
       TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
 static const struct wacom_features wacom_features_0x93 =
     { "Wacom ISDv4 93", 26202, 16325, 255, 0,
       TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
 static const struct wacom_features wacom_features_0x97 =
     { "Wacom ISDv4 97", 26202, 16325, 511, 0,
       TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
 static const struct wacom_features wacom_features_0x9A =
     { "Wacom ISDv4 9A", 26202, 16325, 255, 0,
       TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
 static const struct wacom_features wacom_features_0x9F =
     { "Wacom ISDv4 9F", 26202, 16325, 255, 0,
       TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
 static const struct wacom_features wacom_features_0xE2 =
     { "Wacom ISDv4 E2", 26202, 16325, 255, 0,
       TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
 static const struct wacom_features wacom_features_0xE3 =
     { "Wacom ISDv4 E3", 26202, 16325, 255, 0,
       TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
 static const struct wacom_features wacom_features_0xE5 =
     { "Wacom ISDv4 E5", 26202, 16325, 255, 0,
       MTSCREEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
 static const struct wacom_features wacom_features_0xE6 =
     { "Wacom ISDv4 E6", 27760, 15694, 255, 0,
       TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
 static const struct wacom_features wacom_features_0xEC =
     { "Wacom ISDv4 EC", 25710, 14500, 255, 0,
       TABLETPC,    WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
 static const struct wacom_features wacom_features_0xED =
     { "Wacom ISDv4 ED", 26202, 16325, 255, 0,
       TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
 static const struct wacom_features wacom_features_0xEF =
     { "Wacom ISDv4 EF", 26202, 16325, 255, 0,
       TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
 static const struct wacom_features wacom_features_0x100 =
     { "Wacom ISDv4 100", 26202, 16325, 255, 0,
       MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
 static const struct wacom_features wacom_features_0x101 =
     { "Wacom ISDv4 101", 26202, 16325, 255, 0,
       MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
 static const struct wacom_features wacom_features_0x10D =
     { "Wacom ISDv4 10D", 26202, 16325, 255, 0,
       MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
 static const struct wacom_features wacom_features_0x10E =
     { "Wacom ISDv4 10E", 27760, 15694, 255, 0,
       MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
 static const struct wacom_features wacom_features_0x10F =
     { "Wacom ISDv4 10F", 27760, 15694, 255, 0,
       MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
 static const struct wacom_features wacom_features_0x116 =
     { "Wacom ISDv4 116", 26202, 16325, 255, 0,
       TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
 static const struct wacom_features wacom_features_0x12C =
     { "Wacom ISDv4 12C", 27848, 15752, 2047, 0,
       TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
 static const struct wacom_features wacom_features_0x4001 =
     { "Wacom ISDv4 4001", 26202, 16325, 255, 0,
       MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
 static const struct wacom_features wacom_features_0x4004 =
     { "Wacom ISDv4 4004", 11060, 6220, 255, 0,
       MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
 static const struct wacom_features wacom_features_0x5000 =
     { "Wacom ISDv4 5000", 27848, 15752, 1023, 0,
       MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
 static const struct wacom_features wacom_features_0x5002 =
     { "Wacom ISDv4 5002", 29576, 16724, 1023, 0,
       MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
 static const struct wacom_features wacom_features_0x47 =
     { "Wacom Intuos2 6x8", 20320, 16240, 1023, 31,
       INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
 static const struct wacom_features wacom_features_0x84 =
     { "Wacom Wireless Receiver", .type = WIRELESS, .touch_max = 16 };
 static const struct wacom_features wacom_features_0xD0 =
     { "Wacom Bamboo 2FG", 14720, 9200, 1023, 31,
       BAMBOO_TOUCH, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
 static const struct wacom_features wacom_features_0xD1 =
     { "Wacom Bamboo 2FG 4x5", 14720, 9200, 1023, 31,
       BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
 static const struct wacom_features wacom_features_0xD2 =
     { "Wacom Bamboo Craft", 14720, 9200, 1023, 31,
       BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
 static const struct wacom_features wacom_features_0xD3 =
     { "Wacom Bamboo 2FG 6x8", 21648, 13700, 1023, 31,
       BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
 static const struct wacom_features wacom_features_0xD4 =
     { "Wacom Bamboo Pen", 14720, 9200, 1023, 31,
       BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
 static const struct wacom_features wacom_features_0xD5 =
     { "Wacom Bamboo Pen 6x8", 21648, 13700, 1023, 31,
       BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
 static const struct wacom_features wacom_features_0xD6 =
     { "Wacom BambooPT 2FG 4x5", 14720, 9200, 1023, 31,
       BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
 static const struct wacom_features wacom_features_0xD7 =
     { "Wacom BambooPT 2FG Small", 14720, 9200, 1023, 31,
       BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
 static const struct wacom_features wacom_features_0xD8 =
     { "Wacom Bamboo Comic 2FG", 21648, 13700, 1023, 31,
       BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
 static const struct wacom_features wacom_features_0xDA =
     { "Wacom Bamboo 2FG 4x5 SE", 14720, 9200, 1023, 31,
       BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
 static const struct wacom_features wacom_features_0xDB =
     { "Wacom Bamboo 2FG 6x8 SE", 21648, 13700, 1023, 31,
       BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
 static const struct wacom_features wacom_features_0xDD =
         { "Wacom Bamboo Connect", 14720, 9200, 1023, 31,
           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
 static const struct wacom_features wacom_features_0xDE =
         { "Wacom Bamboo 16FG 4x5", 14720, 9200, 1023, 31,
       BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16 };
 static const struct wacom_features wacom_features_0xDF =
         { "Wacom Bamboo 16FG 6x8", 21648, 13700, 1023, 31,
       BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16 };
 static const struct wacom_features wacom_features_0x300 =
     { "Wacom Bamboo One S", 14720, 9225, 1023, 31,
       BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
 static const struct wacom_features wacom_features_0x301 =
     { "Wacom Bamboo One M", 21648, 13530, 1023, 31,
       BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
 static const struct wacom_features wacom_features_0x302 =
     { "Wacom Intuos PT S", 15200, 9500, 1023, 31,
       INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
       .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
 static const struct wacom_features wacom_features_0x303 =
     { "Wacom Intuos PT M", 21600, 13500, 1023, 31,
       INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
       .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
 static const struct wacom_features wacom_features_0x30E =
     { "Wacom Intuos S", 15200, 9500, 1023, 31,
       INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
       .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
 static const struct wacom_features wacom_features_0x6004 =
     { "ISD-V4", 12800, 8000, 255, 0,
       TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
 static const struct wacom_features wacom_features_0x307 =
     { "Wacom ISDv5 307", 59552, 33848, 2047, 63,
       CINTIQ_HYBRID, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
       WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
       WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
       .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x309 };
 static const struct wacom_features wacom_features_0x309 =
     { "Wacom ISDv5 309", .type = WACOM_24HDT, /* Touch */
       .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x0307, .touch_max = 10,
       .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
 static const struct wacom_features wacom_features_0x30A =
     { "Wacom ISDv5 30A", 59552, 33848, 2047, 63,
       CINTIQ_HYBRID, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
       WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
       WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
       .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x30C };
 static const struct wacom_features wacom_features_0x30C =
     { "Wacom ISDv5 30C", .type = WACOM_24HDT, /* Touch */
       .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x30A, .touch_max = 10,
       .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
 static const struct wacom_features wacom_features_0x318 =
     { "Wacom USB Bamboo PAD", 4095, 4095, /* Touch */
       .type = BAMBOO_PAD, 35, 48, .touch_max = 4 };
 static const struct wacom_features wacom_features_0x319 =
     { "Wacom Wireless Bamboo PAD", 4095, 4095, /* Touch */
       .type = BAMBOO_PAD, 35, 48, .touch_max = 4 };
 static const struct wacom_features wacom_features_0x325 =
     { "Wacom ISDv5 325", 59552, 33848, 2047, 63,
       CINTIQ_COMPANION_2, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 11,
       WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
       WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
       .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x326 };
 static const struct wacom_features wacom_features_0x326 = /* Touch */
     { "Wacom ISDv5 326", .type = HID_GENERIC, .oVid = USB_VENDOR_ID_WACOM,
       .oPid = 0x325 };
 static const struct wacom_features wacom_features_0x323 =
     { "Wacom Intuos P M", 21600, 13500, 1023, 31,
       INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
       .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
 static const struct wacom_features wacom_features_0x331 =
     { "Wacom Express Key Remote", .type = REMOTE,
       .numbered_buttons = 18, .check_for_hid_type = true,
       .hid_type = HID_TYPE_USBNONE };
 static const struct wacom_features wacom_features_0x33B =
     { "Wacom Intuos S 2", 15200, 9500, 2047, 63,
       INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
       .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
 static const struct wacom_features wacom_features_0x33C =
     { "Wacom Intuos PT S 2", 15200, 9500, 2047, 63,
       INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
       .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
 static const struct wacom_features wacom_features_0x33D =
     { "Wacom Intuos P M 2", 21600, 13500, 2047, 63,
       INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
       .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
 static const struct wacom_features wacom_features_0x33E =
     { "Wacom Intuos PT M 2", 21600, 13500, 2047, 63,
       INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
       .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
 static const struct wacom_features wacom_features_0x343 =
     { "Wacom DTK1651", 34816, 19759, 1023, 0,
       DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
       WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
       WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
 static const struct wacom_features wacom_features_0x360 =
     { "Wacom Intuos Pro M", 44800, 29600, 8191, 63,
       INTUOSP2_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 10 };
 static const struct wacom_features wacom_features_0x361 =
     { "Wacom Intuos Pro L", 62200, 43200, 8191, 63,
       INTUOSP2_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 10 };
 static const struct wacom_features wacom_features_0x377 =
     { "Wacom Intuos BT S", 15200, 9500, 4095, 63,
       INTUOSHT3_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4 };
 static const struct wacom_features wacom_features_0x379 =
     { "Wacom Intuos BT M", 21600, 13500, 4095, 63,
       INTUOSHT3_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4 };
 static const struct wacom_features wacom_features_0x37A =
     { "Wacom One by Wacom S", 15200, 9500, 2047, 63,
       BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
 static const struct wacom_features wacom_features_0x37B =
     { "Wacom One by Wacom M", 21600, 13500, 2047, 63,
       BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
 static const struct wacom_features wacom_features_0x393 =
     { "Wacom Intuos Pro S", 31920, 19950, 8191, 63,
       INTUOSP2S_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7,
       .touch_max = 10 };
 static const struct wacom_features wacom_features_0x3c6 =
     { "Wacom Intuos BT S", 15200, 9500, 4095, 63,
       INTUOSHT3_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4 };
 static const struct wacom_features wacom_features_0x3c8 =
     { "Wacom Intuos BT M", 21600, 13500, 4095, 63,
       INTUOSHT3_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4 };
 
 static const struct wacom_features wacom_features_HID_ANY_ID =
     { "Wacom HID", .type = HID_GENERIC, .oVid = HID_ANY_ID, .oPid = HID_ANY_ID };
 
 #define USB_DEVICE_WACOM(prod)                      \
     HID_DEVICE(BUS_USB, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
     .driver_data = (kernel_ulong_t)&wacom_features_##prod
 
 #define BT_DEVICE_WACOM(prod)                       \
     HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
     .driver_data = (kernel_ulong_t)&wacom_features_##prod
 
 #define I2C_DEVICE_WACOM(prod)                      \
     HID_DEVICE(BUS_I2C, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
     .driver_data = (kernel_ulong_t)&wacom_features_##prod
 
 #define USB_DEVICE_LENOVO(prod)                 \
     HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, prod),         \
     .driver_data = (kernel_ulong_t)&wacom_features_##prod
 
 const struct hid_device_id wacom_ids[] = {
     { USB_DEVICE_WACOM(0x00) },
     { USB_DEVICE_WACOM(0x03) },
     { USB_DEVICE_WACOM(0x10) },
     { USB_DEVICE_WACOM(0x11) },
     { USB_DEVICE_WACOM(0x12) },
     { USB_DEVICE_WACOM(0x13) },
     { USB_DEVICE_WACOM(0x14) },
     { USB_DEVICE_WACOM(0x15) },
     { USB_DEVICE_WACOM(0x16) },
     { USB_DEVICE_WACOM(0x17) },
     { USB_DEVICE_WACOM(0x18) },
     { USB_DEVICE_WACOM(0x19) },
     { USB_DEVICE_WACOM(0x20) },
     { USB_DEVICE_WACOM(0x21) },
     { USB_DEVICE_WACOM(0x22) },
     { USB_DEVICE_WACOM(0x23) },
     { USB_DEVICE_WACOM(0x24) },
     { USB_DEVICE_WACOM(0x26) },
     { USB_DEVICE_WACOM(0x27) },
     { USB_DEVICE_WACOM(0x28) },
     { USB_DEVICE_WACOM(0x29) },
     { USB_DEVICE_WACOM(0x2A) },
     { USB_DEVICE_WACOM(0x30) },
     { USB_DEVICE_WACOM(0x31) },
     { USB_DEVICE_WACOM(0x32) },
     { USB_DEVICE_WACOM(0x33) },
     { USB_DEVICE_WACOM(0x34) },
     { USB_DEVICE_WACOM(0x35) },
     { USB_DEVICE_WACOM(0x37) },
     { USB_DEVICE_WACOM(0x38) },
     { USB_DEVICE_WACOM(0x39) },
     { USB_DEVICE_WACOM(0x3F) },
     { USB_DEVICE_WACOM(0x41) },
     { USB_DEVICE_WACOM(0x42) },
     { USB_DEVICE_WACOM(0x43) },
     { USB_DEVICE_WACOM(0x44) },
     { USB_DEVICE_WACOM(0x45) },
     { USB_DEVICE_WACOM(0x47) },
     { USB_DEVICE_WACOM(0x57) },
     { USB_DEVICE_WACOM(0x59) },
     { USB_DEVICE_WACOM(0x5B) },
     { USB_DEVICE_WACOM(0x5D) },
     { USB_DEVICE_WACOM(0x5E) },
     { USB_DEVICE_WACOM(0x60) },
     { USB_DEVICE_WACOM(0x61) },
     { USB_DEVICE_WACOM(0x62) },
     { USB_DEVICE_WACOM(0x63) },
     { USB_DEVICE_WACOM(0x64) },
     { USB_DEVICE_WACOM(0x65) },
     { USB_DEVICE_WACOM(0x69) },
     { USB_DEVICE_WACOM(0x6A) },
     { USB_DEVICE_WACOM(0x6B) },
     { BT_DEVICE_WACOM(0x81) },
     { USB_DEVICE_WACOM(0x84) },
     { USB_DEVICE_WACOM(0x90) },
     { USB_DEVICE_WACOM(0x93) },
     { USB_DEVICE_WACOM(0x97) },
     { USB_DEVICE_WACOM(0x9A) },
     { USB_DEVICE_WACOM(0x9F) },
     { USB_DEVICE_WACOM(0xB0) },
     { USB_DEVICE_WACOM(0xB1) },
     { USB_DEVICE_WACOM(0xB2) },
     { USB_DEVICE_WACOM(0xB3) },
     { USB_DEVICE_WACOM(0xB4) },
     { USB_DEVICE_WACOM(0xB5) },
     { USB_DEVICE_WACOM(0xB7) },
     { USB_DEVICE_WACOM(0xB8) },
     { USB_DEVICE_WACOM(0xB9) },
     { USB_DEVICE_WACOM(0xBA) },
     { USB_DEVICE_WACOM(0xBB) },
     { USB_DEVICE_WACOM(0xBC) },
     { BT_DEVICE_WACOM(0xBD) },
     { USB_DEVICE_WACOM(0xC0) },
     { USB_DEVICE_WACOM(0xC2) },
     { USB_DEVICE_WACOM(0xC4) },
     { USB_DEVICE_WACOM(0xC5) },
     { USB_DEVICE_WACOM(0xC6) },
     { USB_DEVICE_WACOM(0xC7) },
     { USB_DEVICE_WACOM(0xCC) },
     { USB_DEVICE_WACOM(0xCE) },
     { USB_DEVICE_WACOM(0xD0) },
     { USB_DEVICE_WACOM(0xD1) },
     { USB_DEVICE_WACOM(0xD2) },
     { USB_DEVICE_WACOM(0xD3) },
     { USB_DEVICE_WACOM(0xD4) },
     { USB_DEVICE_WACOM(0xD5) },
     { USB_DEVICE_WACOM(0xD6) },
     { USB_DEVICE_WACOM(0xD7) },
     { USB_DEVICE_WACOM(0xD8) },
     { USB_DEVICE_WACOM(0xDA) },
     { USB_DEVICE_WACOM(0xDB) },
     { USB_DEVICE_WACOM(0xDD) },
     { USB_DEVICE_WACOM(0xDE) },
     { USB_DEVICE_WACOM(0xDF) },
     { USB_DEVICE_WACOM(0xE2) },
     { USB_DEVICE_WACOM(0xE3) },
     { USB_DEVICE_WACOM(0xE5) },
     { USB_DEVICE_WACOM(0xE6) },
     { USB_DEVICE_WACOM(0xEC) },
     { USB_DEVICE_WACOM(0xED) },
     { USB_DEVICE_WACOM(0xEF) },
     { USB_DEVICE_WACOM(0xF0) },
     { USB_DEVICE_WACOM(0xF4) },
     { USB_DEVICE_WACOM(0xF6) },
     { USB_DEVICE_WACOM(0xF8) },
     { USB_DEVICE_WACOM(0xFA) },
     { USB_DEVICE_WACOM(0xFB) },
     { USB_DEVICE_WACOM(0x100) },
     { USB_DEVICE_WACOM(0x101) },
     { USB_DEVICE_WACOM(0x10D) },
     { USB_DEVICE_WACOM(0x10E) },
     { USB_DEVICE_WACOM(0x10F) },
     { USB_DEVICE_WACOM(0x116) },
     { USB_DEVICE_WACOM(0x12C) },
     { USB_DEVICE_WACOM(0x300) },
     { USB_DEVICE_WACOM(0x301) },
     { USB_DEVICE_WACOM(0x302) },
     { USB_DEVICE_WACOM(0x303) },
     { USB_DEVICE_WACOM(0x304) },
     { USB_DEVICE_WACOM(0x307) },
     { USB_DEVICE_WACOM(0x309) },
     { USB_DEVICE_WACOM(0x30A) },
     { USB_DEVICE_WACOM(0x30C) },
     { USB_DEVICE_WACOM(0x30E) },
     { USB_DEVICE_WACOM(0x314) },
     { USB_DEVICE_WACOM(0x315) },
     { USB_DEVICE_WACOM(0x317) },
     { USB_DEVICE_WACOM(0x318) },
     { USB_DEVICE_WACOM(0x319) },
     { USB_DEVICE_WACOM(0x323) },
     { USB_DEVICE_WACOM(0x325) },
     { USB_DEVICE_WACOM(0x326) },
     { USB_DEVICE_WACOM(0x32A) },
     { USB_DEVICE_WACOM(0x32B) },
     { USB_DEVICE_WACOM(0x32C) },
     { USB_DEVICE_WACOM(0x32F) },
     { USB_DEVICE_WACOM(0x331) },
     { USB_DEVICE_WACOM(0x333) },
     { USB_DEVICE_WACOM(0x335) },
     { USB_DEVICE_WACOM(0x336) },
     { USB_DEVICE_WACOM(0x33B) },
     { USB_DEVICE_WACOM(0x33C) },
     { USB_DEVICE_WACOM(0x33D) },
     { USB_DEVICE_WACOM(0x33E) },
     { USB_DEVICE_WACOM(0x343) },
     { BT_DEVICE_WACOM(0x360) },
     { BT_DEVICE_WACOM(0x361) },
     { BT_DEVICE_WACOM(0x377) },
     { BT_DEVICE_WACOM(0x379) },
     { USB_DEVICE_WACOM(0x37A) },
     { USB_DEVICE_WACOM(0x37B) },
     { BT_DEVICE_WACOM(0x393) },
     { BT_DEVICE_WACOM(0x3c6) },
     { BT_DEVICE_WACOM(0x3c8) },
     { USB_DEVICE_WACOM(0x4001) },
     { USB_DEVICE_WACOM(0x4004) },
     { USB_DEVICE_WACOM(0x5000) },
     { USB_DEVICE_WACOM(0x5002) },
     { USB_DEVICE_LENOVO(0x6004) },
 
     { USB_DEVICE_WACOM(HID_ANY_ID) },
     { I2C_DEVICE_WACOM(HID_ANY_ID) },
     { BT_DEVICE_WACOM(HID_ANY_ID) },
     { }
 };
 MODULE_DEVICE_TABLE(hid, wacom_ids);