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	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
 /*
  *  HID driver for Sony / PS2 / PS3 / PS4 BD devices.
  *
  *  Copyright (c) 1999 Andreas Gal
  *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
  *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
  *  Copyright (c) 2008 Jiri Slaby
  *  Copyright (c) 2012 David Dillow <dave@thedillows.org>
  *  Copyright (c) 2006-2013 Jiri Kosina
  *  Copyright (c) 2013 Colin Leitner <colin.leitner@gmail.com>
  *  Copyright (c) 2014-2016 Frank Praznik <frank.praznik@gmail.com>
  *  Copyright (c) 2018 Todd Kelner
  *  Copyright (c) 2020-2021 Pascal Giard <pascal.giard@etsmtl.ca>
  *  Copyright (c) 2020 Sanjay Govind <sanjay.govind9@gmail.com>
  *  Copyright (c) 2021 Daniel Nguyen <daniel.nguyen.1@ens.etsmtl.ca>
  */
 
 /*
  */
 
 /*
  * NOTE: in order for the Sony PS3 BD Remote Control to be found by
  * a Bluetooth host, the key combination Start+Enter has to be kept pressed
  * for about 7 seconds with the Bluetooth Host Controller in discovering mode.
  *
  * There will be no PIN request from the device.
  */
 
 #include <linux/device.h>
 #include <linux/hid.h>
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/leds.h>
 #include <linux/power_supply.h>
 #include <linux/spinlock.h>
 #include <linux/list.h>
 #include <linux/idr.h>
 #include <linux/input/mt.h>
 #include <linux/crc32.h>
 #include <linux/usb.h>
 #include <linux/timer.h>
 #include <asm/unaligned.h>
 
 #include "hid-ids.h"
 
 #define VAIO_RDESC_CONSTANT       BIT(0)
 #define SIXAXIS_CONTROLLER_USB    BIT(1)
 #define SIXAXIS_CONTROLLER_BT     BIT(2)
 #define BUZZ_CONTROLLER           BIT(3)
 #define PS3REMOTE                 BIT(4)
 #define DUALSHOCK4_CONTROLLER_USB BIT(5)
 #define DUALSHOCK4_CONTROLLER_BT  BIT(6)
 #define DUALSHOCK4_DONGLE         BIT(7)
 #define MOTION_CONTROLLER_USB     BIT(8)
 #define MOTION_CONTROLLER_BT      BIT(9)
 #define NAVIGATION_CONTROLLER_USB BIT(10)
 #define NAVIGATION_CONTROLLER_BT  BIT(11)
 #define SINO_LITE_CONTROLLER      BIT(12)
 #define FUTUREMAX_DANCE_MAT       BIT(13)
 #define NSG_MR5U_REMOTE_BT        BIT(14)
 #define NSG_MR7U_REMOTE_BT        BIT(15)
 #define SHANWAN_GAMEPAD           BIT(16)
 #define GH_GUITAR_CONTROLLER      BIT(17)
 #define GHL_GUITAR_PS3WIIU        BIT(18)
 #define GHL_GUITAR_PS4            BIT(19)
 
 #define SIXAXIS_CONTROLLER (SIXAXIS_CONTROLLER_USB | SIXAXIS_CONTROLLER_BT)
 #define MOTION_CONTROLLER (MOTION_CONTROLLER_USB | MOTION_CONTROLLER_BT)
 #define NAVIGATION_CONTROLLER (NAVIGATION_CONTROLLER_USB |\
                 NAVIGATION_CONTROLLER_BT)
 #define DUALSHOCK4_CONTROLLER (DUALSHOCK4_CONTROLLER_USB |\
                 DUALSHOCK4_CONTROLLER_BT | \
                 DUALSHOCK4_DONGLE)
 #define SONY_LED_SUPPORT (SIXAXIS_CONTROLLER | BUZZ_CONTROLLER |\
                 DUALSHOCK4_CONTROLLER | MOTION_CONTROLLER |\
                 NAVIGATION_CONTROLLER)
 #define SONY_BATTERY_SUPPORT (SIXAXIS_CONTROLLER | DUALSHOCK4_CONTROLLER |\
                 MOTION_CONTROLLER_BT | NAVIGATION_CONTROLLER)
 #define SONY_FF_SUPPORT (SIXAXIS_CONTROLLER | DUALSHOCK4_CONTROLLER |\
                 MOTION_CONTROLLER)
 #define SONY_BT_DEVICE (SIXAXIS_CONTROLLER_BT | DUALSHOCK4_CONTROLLER_BT |\
             MOTION_CONTROLLER_BT | NAVIGATION_CONTROLLER_BT)
 #define NSG_MRXU_REMOTE (NSG_MR5U_REMOTE_BT | NSG_MR7U_REMOTE_BT)
 
 #define MAX_LEDS 4
 #define NSG_MRXU_MAX_X 1667
 #define NSG_MRXU_MAX_Y 1868
 
 /* The PS3/Wii U dongles require a poke every 10 seconds, but the PS4
  * requires one every 8 seconds. Using 8 seconds for all for simplicity.
  */
 #define GHL_GUITAR_POKE_INTERVAL 8 /* In seconds */
 #define GUITAR_TILT_USAGE 44
 
 /* Magic data taken from GHLtarUtility:
  * https://github.com/ghlre/GHLtarUtility/blob/master/PS3Guitar.cs
  * Note: The Wii U and PS3 dongles happen to share the same!
  */
 static const char ghl_ps3wiiu_magic_data[] = {
     0x02, 0x08, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00
 };
 
 /* Magic data for the PS4 dongles sniffed with a USB protocol
  * analyzer.
  */
 static const char ghl_ps4_magic_data[] = {
     0x30, 0x02, 0x08, 0x0A, 0x00, 0x00, 0x00, 0x00, 0x00
 };
 
 /* PS/3 Motion controller */
 static u8 motion_rdesc[] = {
     0x05, 0x01,         /*  Usage Page (Desktop),               */
     0x09, 0x04,         /*  Usage (Joystick),                   */
     0xA1, 0x01,         /*  Collection (Application),           */
     0xA1, 0x02,         /*      Collection (Logical),           */
     0x85, 0x01,         /*          Report ID (1),              */
     0x75, 0x01,         /*          Report Size (1),            */
     0x95, 0x15,         /*          Report Count (21),          */
     0x15, 0x00,         /*          Logical Minimum (0),        */
     0x25, 0x01,         /*          Logical Maximum (1),        */
     0x35, 0x00,         /*          Physical Minimum (0),       */
     0x45, 0x01,         /*          Physical Maximum (1),       */
     0x05, 0x09,         /*          Usage Page (Button),        */
     0x19, 0x01,         /*          Usage Minimum (01h),        */
     0x29, 0x15,         /*          Usage Maximum (15h),        */
     0x81, 0x02,         /*          Input (Variable),           * Buttons */
     0x95, 0x0B,         /*          Report Count (11),          */
     0x06, 0x00, 0xFF,   /*          Usage Page (FF00h),         */
     0x81, 0x03,         /*          Input (Constant, Variable), * Padding */
     0x15, 0x00,         /*          Logical Minimum (0),        */
     0x26, 0xFF, 0x00,   /*          Logical Maximum (255),      */
     0x05, 0x01,         /*          Usage Page (Desktop),       */
     0xA1, 0x00,         /*          Collection (Physical),      */
     0x75, 0x08,         /*              Report Size (8),        */
     0x95, 0x01,         /*              Report Count (1),       */
     0x35, 0x00,         /*              Physical Minimum (0),   */
     0x46, 0xFF, 0x00,   /*              Physical Maximum (255), */
     0x09, 0x30,         /*              Usage (X),              */
     0x81, 0x02,         /*              Input (Variable),       * Trigger */
     0xC0,               /*          End Collection,             */
     0x06, 0x00, 0xFF,   /*          Usage Page (FF00h),         */
     0x75, 0x08,         /*          Report Size (8),            */
     0x95, 0x07,         /*          Report Count (7),           * skip 7 bytes */
     0x81, 0x02,         /*          Input (Variable),           */
     0x05, 0x01,         /*          Usage Page (Desktop),       */
     0x75, 0x10,         /*          Report Size (16),           */
     0x46, 0xFF, 0xFF,   /*          Physical Maximum (65535),   */
     0x27, 0xFF, 0xFF, 0x00, 0x00, /*      Logical Maximum (65535),    */
     0x95, 0x03,         /*          Report Count (3),           * 3x Accels */
     0x09, 0x33,         /*              Usage (rX),             */
     0x09, 0x34,         /*              Usage (rY),             */
     0x09, 0x35,         /*              Usage (rZ),             */
     0x81, 0x02,         /*          Input (Variable),           */
     0x06, 0x00, 0xFF,   /*          Usage Page (FF00h),         */
     0x95, 0x03,         /*          Report Count (3),           * Skip Accels 2nd frame */
     0x81, 0x02,         /*          Input (Variable),           */
     0x05, 0x01,         /*          Usage Page (Desktop),       */
     0x09, 0x01,         /*          Usage (Pointer),            */
     0x95, 0x03,         /*          Report Count (3),           * 3x Gyros */
     0x81, 0x02,         /*          Input (Variable),           */
     0x06, 0x00, 0xFF,   /*          Usage Page (FF00h),         */
     0x95, 0x03,         /*          Report Count (3),           * Skip Gyros 2nd frame */
     0x81, 0x02,         /*          Input (Variable),           */
     0x75, 0x0C,         /*          Report Size (12),           */
     0x46, 0xFF, 0x0F,   /*          Physical Maximum (4095),    */
     0x26, 0xFF, 0x0F,   /*          Logical Maximum (4095),     */
     0x95, 0x04,         /*          Report Count (4),           * Skip Temp and Magnetometers */
     0x81, 0x02,         /*          Input (Variable),           */
     0x75, 0x08,         /*          Report Size (8),            */
     0x46, 0xFF, 0x00,   /*          Physical Maximum (255),     */
     0x26, 0xFF, 0x00,   /*          Logical Maximum (255),      */
     0x95, 0x06,         /*          Report Count (6),           * Skip Timestamp and Extension Bytes */
     0x81, 0x02,         /*          Input (Variable),           */
     0x75, 0x08,         /*          Report Size (8),            */
     0x95, 0x30,         /*          Report Count (48),          */
     0x09, 0x01,         /*          Usage (Pointer),            */
     0x91, 0x02,         /*          Output (Variable),          */
     0x75, 0x08,         /*          Report Size (8),            */
     0x95, 0x30,         /*          Report Count (48),          */
     0x09, 0x01,         /*          Usage (Pointer),            */
     0xB1, 0x02,         /*          Feature (Variable),         */
     0xC0,               /*      End Collection,                 */
     0xA1, 0x02,         /*      Collection (Logical),           */
     0x85, 0x02,         /*          Report ID (2),              */
     0x75, 0x08,         /*          Report Size (8),            */
     0x95, 0x30,         /*          Report Count (48),          */
     0x09, 0x01,         /*          Usage (Pointer),            */
     0xB1, 0x02,         /*          Feature (Variable),         */
     0xC0,               /*      End Collection,                 */
     0xA1, 0x02,         /*      Collection (Logical),           */
     0x85, 0xEE,         /*          Report ID (238),            */
     0x75, 0x08,         /*          Report Size (8),            */
     0x95, 0x30,         /*          Report Count (48),          */
     0x09, 0x01,         /*          Usage (Pointer),            */
     0xB1, 0x02,         /*          Feature (Variable),         */
     0xC0,               /*      End Collection,                 */
     0xA1, 0x02,         /*      Collection (Logical),           */
     0x85, 0xEF,         /*          Report ID (239),            */
     0x75, 0x08,         /*          Report Size (8),            */
     0x95, 0x30,         /*          Report Count (48),          */
     0x09, 0x01,         /*          Usage (Pointer),            */
     0xB1, 0x02,         /*          Feature (Variable),         */
     0xC0,               /*      End Collection,                 */
     0xC0                /*  End Collection                      */
 };
 
 static u8 ps3remote_rdesc[] = {
     0x05, 0x01,          /* GUsagePage Generic Desktop */
     0x09, 0x05,          /* LUsage 0x05 [Game Pad] */
     0xA1, 0x01,          /* MCollection Application (mouse, keyboard) */
 
      /* Use collection 1 for joypad buttons */
      0xA1, 0x02,         /* MCollection Logical (interrelated data) */
 
       /*
        * Ignore the 1st byte, maybe it is used for a controller
        * number but it's not needed for correct operation
        */
       0x75, 0x08,        /* GReportSize 0x08 [8] */
       0x95, 0x01,        /* GReportCount 0x01 [1] */
       0x81, 0x01,        /* MInput 0x01 (Const[0] Arr[1] Abs[2]) */
 
       /*
        * Bytes from 2nd to 4th are a bitmap for joypad buttons, for these
        * buttons multiple keypresses are allowed
        */
       0x05, 0x09,        /* GUsagePage Button */
       0x19, 0x01,        /* LUsageMinimum 0x01 [Button 1 (primary/trigger)] */
       0x29, 0x18,        /* LUsageMaximum 0x18 [Button 24] */
       0x14,              /* GLogicalMinimum [0] */
       0x25, 0x01,        /* GLogicalMaximum 0x01 [1] */
       0x75, 0x01,        /* GReportSize 0x01 [1] */
       0x95, 0x18,        /* GReportCount 0x18 [24] */
       0x81, 0x02,        /* MInput 0x02 (Data[0] Var[1] Abs[2]) */
 
       0xC0,              /* MEndCollection */
 
      /* Use collection 2 for remote control buttons */
      0xA1, 0x02,         /* MCollection Logical (interrelated data) */
 
       /* 5th byte is used for remote control buttons */
       0x05, 0x09,        /* GUsagePage Button */
       0x18,              /* LUsageMinimum [No button pressed] */
       0x29, 0xFE,        /* LUsageMaximum 0xFE [Button 254] */
       0x14,              /* GLogicalMinimum [0] */
       0x26, 0xFE, 0x00,  /* GLogicalMaximum 0x00FE [254] */
       0x75, 0x08,        /* GReportSize 0x08 [8] */
       0x95, 0x01,        /* GReportCount 0x01 [1] */
       0x80,              /* MInput  */
 
       /*
        * Ignore bytes from 6th to 11th, 6th to 10th are always constant at
        * 0xff and 11th is for press indication
        */
       0x75, 0x08,        /* GReportSize 0x08 [8] */
       0x95, 0x06,        /* GReportCount 0x06 [6] */
       0x81, 0x01,        /* MInput 0x01 (Const[0] Arr[1] Abs[2]) */
 
       /* 12th byte is for battery strength */
       0x05, 0x06,        /* GUsagePage Generic Device Controls */
       0x09, 0x20,        /* LUsage 0x20 [Battery Strength] */
       0x14,              /* GLogicalMinimum [0] */
       0x25, 0x05,        /* GLogicalMaximum 0x05 [5] */
       0x75, 0x08,        /* GReportSize 0x08 [8] */
       0x95, 0x01,        /* GReportCount 0x01 [1] */
       0x81, 0x02,        /* MInput 0x02 (Data[0] Var[1] Abs[2]) */
 
       0xC0,              /* MEndCollection */
 
      0xC0                /* MEndCollection [Game Pad] */
 };
 
 static const unsigned int ps3remote_keymap_joypad_buttons[] = {
     [0x01] = KEY_SELECT,
     [0x02] = BTN_THUMBL,        /* L3 */
     [0x03] = BTN_THUMBR,        /* R3 */
     [0x04] = BTN_START,
     [0x05] = KEY_UP,
     [0x06] = KEY_RIGHT,
     [0x07] = KEY_DOWN,
     [0x08] = KEY_LEFT,
     [0x09] = BTN_TL2,       /* L2 */
     [0x0a] = BTN_TR2,       /* R2 */
     [0x0b] = BTN_TL,        /* L1 */
     [0x0c] = BTN_TR,        /* R1 */
     [0x0d] = KEY_OPTION,        /* options/triangle */
     [0x0e] = KEY_BACK,      /* back/circle */
     [0x0f] = BTN_0,         /* cross */
     [0x10] = KEY_SCREEN,        /* view/square */
     [0x11] = KEY_HOMEPAGE,      /* PS button */
     [0x14] = KEY_ENTER,
 };
 static const unsigned int ps3remote_keymap_remote_buttons[] = {
     [0x00] = KEY_1,
     [0x01] = KEY_2,
     [0x02] = KEY_3,
     [0x03] = KEY_4,
     [0x04] = KEY_5,
     [0x05] = KEY_6,
     [0x06] = KEY_7,
     [0x07] = KEY_8,
     [0x08] = KEY_9,
     [0x09] = KEY_0,
     [0x0e] = KEY_ESC,       /* return */
     [0x0f] = KEY_CLEAR,
     [0x16] = KEY_EJECTCD,
     [0x1a] = KEY_MENU,      /* top menu */
     [0x28] = KEY_TIME,
     [0x30] = KEY_PREVIOUS,
     [0x31] = KEY_NEXT,
     [0x32] = KEY_PLAY,
     [0x33] = KEY_REWIND,        /* scan back */
     [0x34] = KEY_FORWARD,       /* scan forward */
     [0x38] = KEY_STOP,
     [0x39] = KEY_PAUSE,
     [0x40] = KEY_CONTEXT_MENU,  /* pop up/menu */
     [0x60] = KEY_FRAMEBACK,     /* slow/step back */
     [0x61] = KEY_FRAMEFORWARD,  /* slow/step forward */
     [0x63] = KEY_SUBTITLE,
     [0x64] = KEY_AUDIO,
     [0x65] = KEY_ANGLE,
     [0x70] = KEY_INFO,      /* display */
     [0x80] = KEY_BLUE,
     [0x81] = KEY_RED,
     [0x82] = KEY_GREEN,
     [0x83] = KEY_YELLOW,
 };
 
 static const unsigned int buzz_keymap[] = {
     /*
      * The controller has 4 remote buzzers, each with one LED and 5
      * buttons.
      *
      * We use the mapping chosen by the controller, which is:
      *
      * Key          Offset
      * -------------------
      * Buzz              1
      * Blue              5
      * Orange            4
      * Green             3
      * Yellow            2
      *
      * So, for example, the orange button on the third buzzer is mapped to
      * BTN_TRIGGER_HAPPY14
      */
      [1] = BTN_TRIGGER_HAPPY1,
      [2] = BTN_TRIGGER_HAPPY2,
      [3] = BTN_TRIGGER_HAPPY3,
      [4] = BTN_TRIGGER_HAPPY4,
      [5] = BTN_TRIGGER_HAPPY5,
      [6] = BTN_TRIGGER_HAPPY6,
      [7] = BTN_TRIGGER_HAPPY7,
      [8] = BTN_TRIGGER_HAPPY8,
      [9] = BTN_TRIGGER_HAPPY9,
     [10] = BTN_TRIGGER_HAPPY10,
     [11] = BTN_TRIGGER_HAPPY11,
     [12] = BTN_TRIGGER_HAPPY12,
     [13] = BTN_TRIGGER_HAPPY13,
     [14] = BTN_TRIGGER_HAPPY14,
     [15] = BTN_TRIGGER_HAPPY15,
     [16] = BTN_TRIGGER_HAPPY16,
     [17] = BTN_TRIGGER_HAPPY17,
     [18] = BTN_TRIGGER_HAPPY18,
     [19] = BTN_TRIGGER_HAPPY19,
     [20] = BTN_TRIGGER_HAPPY20,
 };
 
 /* The Navigation controller is a partial DS3 and uses the same HID report
  * and hence the same keymap indices, however not not all axes/buttons
  * are physically present. We use the same axis and button mapping as
  * the DS3, which uses the Linux gamepad spec.
  */
 static const unsigned int navigation_absmap[] = {
     [0x30] = ABS_X,
     [0x31] = ABS_Y,
     [0x33] = ABS_Z, /* L2 */
 };
 
 /* Buttons not physically available on the device, but still available
  * in the reports are explicitly set to 0 for documentation purposes.
  */
 static const unsigned int navigation_keymap[] = {
     [0x01] = 0, /* Select */
     [0x02] = BTN_THUMBL, /* L3 */
     [0x03] = 0, /* R3 */
     [0x04] = 0, /* Start */
     [0x05] = BTN_DPAD_UP, /* Up */
     [0x06] = BTN_DPAD_RIGHT, /* Right */
     [0x07] = BTN_DPAD_DOWN, /* Down */
     [0x08] = BTN_DPAD_LEFT, /* Left */
     [0x09] = BTN_TL2, /* L2 */
     [0x0a] = 0, /* R2 */
     [0x0b] = BTN_TL, /* L1 */
     [0x0c] = 0, /* R1 */
     [0x0d] = BTN_NORTH, /* Triangle */
     [0x0e] = BTN_EAST, /* Circle */
     [0x0f] = BTN_SOUTH, /* Cross */
     [0x10] = BTN_WEST, /* Square */
     [0x11] = BTN_MODE, /* PS */
 };
 
 static const unsigned int sixaxis_absmap[] = {
     [0x30] = ABS_X,
     [0x31] = ABS_Y,
     [0x32] = ABS_RX, /* right stick X */
     [0x35] = ABS_RY, /* right stick Y */
 };
 
 static const unsigned int sixaxis_keymap[] = {
     [0x01] = BTN_SELECT, /* Select */
     [0x02] = BTN_THUMBL, /* L3 */
     [0x03] = BTN_THUMBR, /* R3 */
     [0x04] = BTN_START, /* Start */
     [0x05] = BTN_DPAD_UP, /* Up */
     [0x06] = BTN_DPAD_RIGHT, /* Right */
     [0x07] = BTN_DPAD_DOWN, /* Down */
     [0x08] = BTN_DPAD_LEFT, /* Left */
     [0x09] = BTN_TL2, /* L2 */
     [0x0a] = BTN_TR2, /* R2 */
     [0x0b] = BTN_TL, /* L1 */
     [0x0c] = BTN_TR, /* R1 */
     [0x0d] = BTN_NORTH, /* Triangle */
     [0x0e] = BTN_EAST, /* Circle */
     [0x0f] = BTN_SOUTH, /* Cross */
     [0x10] = BTN_WEST, /* Square */
     [0x11] = BTN_MODE, /* PS */
 };
 
 static const unsigned int ds4_absmap[] = {
     [0x30] = ABS_X,
     [0x31] = ABS_Y,
     [0x32] = ABS_RX, /* right stick X */
     [0x33] = ABS_Z, /* L2 */
     [0x34] = ABS_RZ, /* R2 */
     [0x35] = ABS_RY, /* right stick Y */
 };
 
 static const unsigned int ds4_keymap[] = {
     [0x1] = BTN_WEST, /* Square */
     [0x2] = BTN_SOUTH, /* Cross */
     [0x3] = BTN_EAST, /* Circle */
     [0x4] = BTN_NORTH, /* Triangle */
     [0x5] = BTN_TL, /* L1 */
     [0x6] = BTN_TR, /* R1 */
     [0x7] = BTN_TL2, /* L2 */
     [0x8] = BTN_TR2, /* R2 */
     [0x9] = BTN_SELECT, /* Share */
     [0xa] = BTN_START, /* Options */
     [0xb] = BTN_THUMBL, /* L3 */
     [0xc] = BTN_THUMBR, /* R3 */
     [0xd] = BTN_MODE, /* PS */
 };
 
 static const struct {int x; int y; } ds4_hat_mapping[] = {
     {0, -1}, {1, -1}, {1, 0}, {1, 1}, {0, 1}, {-1, 1}, {-1, 0}, {-1, -1},
     {0, 0}
 };
 
 static enum power_supply_property sony_battery_props[] = {
     POWER_SUPPLY_PROP_PRESENT,
     POWER_SUPPLY_PROP_CAPACITY,
     POWER_SUPPLY_PROP_SCOPE,
     POWER_SUPPLY_PROP_STATUS,
 };
 
 struct sixaxis_led {
     u8 time_enabled; /* the total time the led is active (0xff means forever) */
     u8 duty_length;  /* how long a cycle is in deciseconds (0 means "really fast") */
     u8 enabled;
     u8 duty_off; /* % of duty_length the led is off (0xff means 100%) */
     u8 duty_on;  /* % of duty_length the led is on (0xff mean 100%) */
 } __packed;
 
 struct sixaxis_rumble {
     u8 padding;
     u8 right_duration; /* Right motor duration (0xff means forever) */
     u8 right_motor_on; /* Right (small) motor on/off, only supports values of 0 or 1 (off/on) */
     u8 left_duration;    /* Left motor duration (0xff means forever) */
     u8 left_motor_force; /* left (large) motor, supports force values from 0 to 255 */
 } __packed;
 
 struct sixaxis_output_report {
     u8 report_id;
     struct sixaxis_rumble rumble;
     u8 padding[4];
     u8 leds_bitmap; /* bitmap of enabled LEDs: LED_1 = 0x02, LED_2 = 0x04, ... */
     struct sixaxis_led led[4];    /* LEDx at (4 - x) */
     struct sixaxis_led _reserved; /* LED5, not actually soldered */
 } __packed;
 
 union sixaxis_output_report_01 {
     struct sixaxis_output_report data;
     u8 buf[36];
 };
 
 struct motion_output_report_02 {
     u8 type, zero;
     u8 r, g, b;
     u8 zero2;
     u8 rumble;
 };
 
 #define DS4_FEATURE_REPORT_0x02_SIZE 37
 #define DS4_FEATURE_REPORT_0x05_SIZE 41
 #define DS4_FEATURE_REPORT_0x81_SIZE 7
 #define DS4_FEATURE_REPORT_0xA3_SIZE 49
 #define DS4_INPUT_REPORT_0x11_SIZE 78
 #define DS4_OUTPUT_REPORT_0x05_SIZE 32
 #define DS4_OUTPUT_REPORT_0x11_SIZE 78
 #define SIXAXIS_REPORT_0xF2_SIZE 17
 #define SIXAXIS_REPORT_0xF5_SIZE 8
 #define MOTION_REPORT_0x02_SIZE 49
 
 /* Offsets relative to USB input report (0x1). Bluetooth (0x11) requires an
  * additional +2.
  */
 #define DS4_INPUT_REPORT_AXIS_OFFSET      1
 #define DS4_INPUT_REPORT_BUTTON_OFFSET    5
 #define DS4_INPUT_REPORT_TIMESTAMP_OFFSET 10
 #define DS4_INPUT_REPORT_GYRO_X_OFFSET   13
 #define DS4_INPUT_REPORT_BATTERY_OFFSET  30
 #define DS4_INPUT_REPORT_TOUCHPAD_OFFSET 33
 
 #define SENSOR_SUFFIX " Motion Sensors"
 #define DS4_TOUCHPAD_SUFFIX " Touchpad"
 
 /* Default to 4ms poll interval, which is same as USB (not adjustable). */
 #define DS4_BT_DEFAULT_POLL_INTERVAL_MS 4
 #define DS4_BT_MAX_POLL_INTERVAL_MS 62
 #define DS4_GYRO_RES_PER_DEG_S 1024
 #define DS4_ACC_RES_PER_G      8192
 
 #define SIXAXIS_INPUT_REPORT_ACC_X_OFFSET 41
 #define SIXAXIS_ACC_RES_PER_G 113
 
 static DEFINE_SPINLOCK(sony_dev_list_lock);
 static LIST_HEAD(sony_device_list);
 static DEFINE_IDA(sony_device_id_allocator);
 
 /* Used for calibration of DS4 accelerometer and gyro. */
 struct ds4_calibration_data {
     int abs_code;
     short bias;
     /* Calibration requires scaling against a sensitivity value, which is a
      * float. Store sensitivity as a fraction to limit floating point
      * calculations until final calibration.
      */
     int sens_numer;
     int sens_denom;
 };
 
 enum ds4_dongle_state {
     DONGLE_DISCONNECTED,
     DONGLE_CALIBRATING,
     DONGLE_CONNECTED,
     DONGLE_DISABLED
 };
 
 enum sony_worker {
     SONY_WORKER_STATE,
     SONY_WORKER_HOTPLUG
 };
 
 struct sony_sc {
     spinlock_t lock;
     struct list_head list_node;
     struct hid_device *hdev;
     struct input_dev *touchpad;
     struct input_dev *sensor_dev;
     struct led_classdev *leds[MAX_LEDS];
     unsigned long quirks;
     struct work_struct hotplug_worker;
     struct work_struct state_worker;
     void (*send_output_report)(struct sony_sc *);
     struct power_supply *battery;
     struct power_supply_desc battery_desc;
     int device_id;
     unsigned fw_version;
     bool fw_version_created;
     unsigned hw_version;
     bool hw_version_created;
     u8 *output_report_dmabuf;
 
 #ifdef CONFIG_SONY_FF
     u8 left;
     u8 right;
 #endif
 
     u8 mac_address[6];
     u8 hotplug_worker_initialized;
     u8 state_worker_initialized;
     u8 defer_initialization;
     u8 battery_capacity;
     int battery_status;
     u8 led_state[MAX_LEDS];
     u8 led_delay_on[MAX_LEDS];
     u8 led_delay_off[MAX_LEDS];
     u8 led_count;
 
     bool timestamp_initialized;
     u16 prev_timestamp;
     unsigned int timestamp_us;
 
     u8 ds4_bt_poll_interval;
     enum ds4_dongle_state ds4_dongle_state;
     /* DS4 calibration data */
     struct ds4_calibration_data ds4_calib_data[6];
     /* GH Live */
     struct urb *ghl_urb;
     struct timer_list ghl_poke_timer;
 };
 
 static void sony_set_leds(struct sony_sc *sc);
 
 static inline void sony_schedule_work(struct sony_sc *sc,
                       enum sony_worker which)
 {
     unsigned long flags;
 
     switch (which) {
     case SONY_WORKER_STATE:
         spin_lock_irqsave(&sc->lock, flags);
         if (!sc->defer_initialization && sc->state_worker_initialized)
             schedule_work(&sc->state_worker);
         spin_unlock_irqrestore(&sc->lock, flags);
         break;
     case SONY_WORKER_HOTPLUG:
         if (sc->hotplug_worker_initialized)
             schedule_work(&sc->hotplug_worker);
         break;
     }
 }
 
 static void ghl_magic_poke_cb(struct urb *urb)
 {
     struct sony_sc *sc = urb->context;
 
     if (urb->status < 0)
         hid_err(sc->hdev, "URB transfer failed : %d", urb->status);
 
     mod_timer(&sc->ghl_poke_timer, jiffies + GHL_GUITAR_POKE_INTERVAL*HZ);
 }
 
 static void ghl_magic_poke(struct timer_list *t)
 {
     int ret;
     struct sony_sc *sc = from_timer(sc, t, ghl_poke_timer);
 
     ret = usb_submit_urb(sc->ghl_urb, GFP_ATOMIC);
     if (ret < 0)
         hid_err(sc->hdev, "usb_submit_urb failed: %d", ret);
 }
 
 static int ghl_init_urb(struct sony_sc *sc, struct usb_device *usbdev,
                        const char ghl_magic_data[], u16 poke_size)
 {
     struct usb_ctrlrequest *cr;
     u8 *databuf;
     unsigned int pipe;
     u16 ghl_magic_value = (((HID_OUTPUT_REPORT + 1) << 8) | ghl_magic_data[0]);
 
     pipe = usb_sndctrlpipe(usbdev, 0);
 
     cr = devm_kzalloc(&sc->hdev->dev, sizeof(*cr), GFP_ATOMIC);
     if (cr == NULL)
         return -ENOMEM;
 
     databuf = devm_kzalloc(&sc->hdev->dev, poke_size, GFP_ATOMIC);
     if (databuf == NULL)
         return -ENOMEM;
 
     cr->bRequestType =
         USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT;
     cr->bRequest = USB_REQ_SET_CONFIGURATION;
     cr->wValue = cpu_to_le16(ghl_magic_value);
     cr->wIndex = 0;
     cr->wLength = cpu_to_le16(poke_size);
     memcpy(databuf, ghl_magic_data, poke_size);
     usb_fill_control_urb(
         sc->ghl_urb, usbdev, pipe,
         (unsigned char *) cr, databuf, poke_size,
         ghl_magic_poke_cb, sc);
     return 0;
 }
 
 static int guitar_mapping(struct hid_device *hdev, struct hid_input *hi,
               struct hid_field *field, struct hid_usage *usage,
               unsigned long **bit, int *max)
 {
     if ((usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR) {
         unsigned int abs = usage->hid & HID_USAGE;
 
         if (abs == GUITAR_TILT_USAGE) {
             hid_map_usage_clear(hi, usage, bit, max, EV_ABS, ABS_RY);
             return 1;
         }
     }
     return 0;
 }
 
 static ssize_t ds4_show_poll_interval(struct device *dev,
                 struct device_attribute
                 *attr, char *buf)
 {
     struct hid_device *hdev = to_hid_device(dev);
     struct sony_sc *sc = hid_get_drvdata(hdev);
 
     return snprintf(buf, PAGE_SIZE, "%i\n", sc->ds4_bt_poll_interval);
 }
 
 static ssize_t ds4_store_poll_interval(struct device *dev,
                 struct device_attribute *attr,
                 const char *buf, size_t count)
 {
     struct hid_device *hdev = to_hid_device(dev);
     struct sony_sc *sc = hid_get_drvdata(hdev);
     unsigned long flags;
     u8 interval;
 
     if (kstrtou8(buf, 0, &interval))
         return -EINVAL;
 
     if (interval > DS4_BT_MAX_POLL_INTERVAL_MS)
         return -EINVAL;
 
     spin_lock_irqsave(&sc->lock, flags);
     sc->ds4_bt_poll_interval = interval;
     spin_unlock_irqrestore(&sc->lock, flags);
 
     sony_schedule_work(sc, SONY_WORKER_STATE);
 
     return count;
 }
 
 static DEVICE_ATTR(bt_poll_interval, 0644, ds4_show_poll_interval,
         ds4_store_poll_interval);
 
 static ssize_t sony_show_firmware_version(struct device *dev,
                 struct device_attribute
                 *attr, char *buf)
 {
     struct hid_device *hdev = to_hid_device(dev);
     struct sony_sc *sc = hid_get_drvdata(hdev);
 
     return snprintf(buf, PAGE_SIZE, "0x%04x\n", sc->fw_version);
 }
 
 static DEVICE_ATTR(firmware_version, 0444, sony_show_firmware_version, NULL);
 
 static ssize_t sony_show_hardware_version(struct device *dev,
                 struct device_attribute
                 *attr, char *buf)
 {
     struct hid_device *hdev = to_hid_device(dev);
     struct sony_sc *sc = hid_get_drvdata(hdev);
 
     return snprintf(buf, PAGE_SIZE, "0x%04x\n", sc->hw_version);
 }
 
 static DEVICE_ATTR(hardware_version, 0444, sony_show_hardware_version, NULL);
 
 static u8 *motion_fixup(struct hid_device *hdev, u8 *rdesc,
                  unsigned int *rsize)
 {
     *rsize = sizeof(motion_rdesc);
     return motion_rdesc;
 }
 
 static u8 *ps3remote_fixup(struct hid_device *hdev, u8 *rdesc,
                  unsigned int *rsize)
 {
     *rsize = sizeof(ps3remote_rdesc);
     return ps3remote_rdesc;
 }
 
 static int ps3remote_mapping(struct hid_device *hdev, struct hid_input *hi,
                  struct hid_field *field, struct hid_usage *usage,
                  unsigned long **bit, int *max)
 {
     unsigned int key = usage->hid & HID_USAGE;
 
     if ((usage->hid & HID_USAGE_PAGE) != HID_UP_BUTTON)
         return -1;
 
     switch (usage->collection_index) {
     case 1:
         if (key >= ARRAY_SIZE(ps3remote_keymap_joypad_buttons))
             return -1;
 
         key = ps3remote_keymap_joypad_buttons[key];
         if (!key)
             return -1;
         break;
     case 2:
         if (key >= ARRAY_SIZE(ps3remote_keymap_remote_buttons))
             return -1;
 
         key = ps3remote_keymap_remote_buttons[key];
         if (!key)
             return -1;
         break;
     default:
         return -1;
     }
 
     hid_map_usage_clear(hi, usage, bit, max, EV_KEY, key);
     return 1;
 }
 
 static int navigation_mapping(struct hid_device *hdev, struct hid_input *hi,
               struct hid_field *field, struct hid_usage *usage,
               unsigned long **bit, int *max)
 {
     if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) {
         unsigned int key = usage->hid & HID_USAGE;
 
         if (key >= ARRAY_SIZE(sixaxis_keymap))
             return -1;
 
         key = navigation_keymap[key];
         if (!key)
             return -1;
 
         hid_map_usage_clear(hi, usage, bit, max, EV_KEY, key);
         return 1;
     } else if (usage->hid == HID_GD_POINTER) {
         /* See comment in sixaxis_mapping, basically the L2 (and R2)
          * triggers are reported through GD Pointer.
          * In addition we ignore any analog button 'axes' and only
          * support digital buttons.
          */
         switch (usage->usage_index) {
         case 8: /* L2 */
             usage->hid = HID_GD_Z;
             break;
         default:
             return -1;
         }
 
         hid_map_usage_clear(hi, usage, bit, max, EV_ABS, usage->hid & 0xf);
         return 1;
     } else if ((usage->hid & HID_USAGE_PAGE) == HID_UP_GENDESK) {
         unsigned int abs = usage->hid & HID_USAGE;
 
         if (abs >= ARRAY_SIZE(navigation_absmap))
             return -1;
 
         abs = navigation_absmap[abs];
 
         hid_map_usage_clear(hi, usage, bit, max, EV_ABS, abs);
         return 1;
     }
 
     return -1;
 }
 
 
 static int sixaxis_mapping(struct hid_device *hdev, struct hid_input *hi,
               struct hid_field *field, struct hid_usage *usage,
               unsigned long **bit, int *max)
 {
     if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) {
         unsigned int key = usage->hid & HID_USAGE;
 
         if (key >= ARRAY_SIZE(sixaxis_keymap))
             return -1;
 
         key = sixaxis_keymap[key];
         hid_map_usage_clear(hi, usage, bit, max, EV_KEY, key);
         return 1;
     } else if (usage->hid == HID_GD_POINTER) {
         /* The DS3 provides analog values for most buttons and even
          * for HAT axes through GD Pointer. L2 and R2 are reported
          * among these as well instead of as GD Z / RZ. Remap L2
          * and R2 and ignore other analog 'button axes' as there is
          * no good way for reporting them.
          */
         switch (usage->usage_index) {
         case 8: /* L2 */
             usage->hid = HID_GD_Z;
             break;
         case 9: /* R2 */
             usage->hid = HID_GD_RZ;
             break;
         default:
             return -1;
         }
 
         hid_map_usage_clear(hi, usage, bit, max, EV_ABS, usage->hid & 0xf);
         return 1;
     } else if ((usage->hid & HID_USAGE_PAGE) == HID_UP_GENDESK) {
         unsigned int abs = usage->hid & HID_USAGE;
 
         if (abs >= ARRAY_SIZE(sixaxis_absmap))
             return -1;
 
         abs = sixaxis_absmap[abs];
 
         hid_map_usage_clear(hi, usage, bit, max, EV_ABS, abs);
         return 1;
     }
 
     return -1;
 }
 
 static int ds4_mapping(struct hid_device *hdev, struct hid_input *hi,
                struct hid_field *field, struct hid_usage *usage,
                unsigned long **bit, int *max)
 {
     if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) {
         unsigned int key = usage->hid & HID_USAGE;
 
         if (key >= ARRAY_SIZE(ds4_keymap))
             return -1;
 
         key = ds4_keymap[key];
         hid_map_usage_clear(hi, usage, bit, max, EV_KEY, key);
         return 1;
     } else if ((usage->hid & HID_USAGE_PAGE) == HID_UP_GENDESK) {
         unsigned int abs = usage->hid & HID_USAGE;
 
         /* Let the HID parser deal with the HAT. */
         if (usage->hid == HID_GD_HATSWITCH)
             return 0;
 
         if (abs >= ARRAY_SIZE(ds4_absmap))
             return -1;
 
         abs = ds4_absmap[abs];
         hid_map_usage_clear(hi, usage, bit, max, EV_ABS, abs);
         return 1;
     }
 
     return 0;
 }
 
 static u8 *sony_report_fixup(struct hid_device *hdev, u8 *rdesc,
         unsigned int *rsize)
 {
     struct sony_sc *sc = hid_get_drvdata(hdev);
 
     if (sc->quirks & (SINO_LITE_CONTROLLER | FUTUREMAX_DANCE_MAT))
         return rdesc;
 
     /*
      * Some Sony RF receivers wrongly declare the mouse pointer as a
      * a constant non-data variable.
      */
     if ((sc->quirks & VAIO_RDESC_CONSTANT) && *rsize >= 56 &&
         /* usage page: generic desktop controls */
         /* rdesc[0] == 0x05 && rdesc[1] == 0x01 && */
         /* usage: mouse */
         rdesc[2] == 0x09 && rdesc[3] == 0x02 &&
         /* input (usage page for x,y axes): constant, variable, relative */
         rdesc[54] == 0x81 && rdesc[55] == 0x07) {
         hid_info(hdev, "Fixing up Sony RF Receiver report descriptor\n");
         /* input: data, variable, relative */
         rdesc[55] = 0x06;
     }
 
     if (sc->quirks & MOTION_CONTROLLER)
         return motion_fixup(hdev, rdesc, rsize);
 
     if (sc->quirks & PS3REMOTE)
         return ps3remote_fixup(hdev, rdesc, rsize);
 
     /*
      * Some knock-off USB dongles incorrectly report their button count
      * as 13 instead of 16 causing three non-functional buttons.
      */
     if ((sc->quirks & SIXAXIS_CONTROLLER_USB) && *rsize >= 45 &&
         /* Report Count (13) */
         rdesc[23] == 0x95 && rdesc[24] == 0x0D &&
         /* Usage Maximum (13) */
         rdesc[37] == 0x29 && rdesc[38] == 0x0D &&
         /* Report Count (3) */
         rdesc[43] == 0x95 && rdesc[44] == 0x03) {
         hid_info(hdev, "Fixing up USB dongle report descriptor\n");
         rdesc[24] = 0x10;
         rdesc[38] = 0x10;
         rdesc[44] = 0x00;
     }
 
     return rdesc;
 }
 
 static void sixaxis_parse_report(struct sony_sc *sc, u8 *rd, int size)
 {
     static const u8 sixaxis_battery_capacity[] = { 0, 1, 25, 50, 75, 100 };
     unsigned long flags;
     int offset;
     u8 battery_capacity;
     int battery_status;
 
     /*
      * The sixaxis is charging if the battery value is 0xee
      * and it is fully charged if the value is 0xef.
      * It does not report the actual level while charging so it
      * is set to 100% while charging is in progress.
      */
     offset = (sc->quirks & MOTION_CONTROLLER) ? 12 : 30;
 
     if (rd[offset] >= 0xee) {
         battery_capacity = 100;
         battery_status = (rd[offset] & 0x01) ? POWER_SUPPLY_STATUS_FULL : POWER_SUPPLY_STATUS_CHARGING;
     } else {
         u8 index = rd[offset] <= 5 ? rd[offset] : 5;
         battery_capacity = sixaxis_battery_capacity[index];
         battery_status = POWER_SUPPLY_STATUS_DISCHARGING;
     }
 
     spin_lock_irqsave(&sc->lock, flags);
     sc->battery_capacity = battery_capacity;
     sc->battery_status = battery_status;
     spin_unlock_irqrestore(&sc->lock, flags);
 
     if (sc->quirks & SIXAXIS_CONTROLLER) {
         int val;
 
         offset = SIXAXIS_INPUT_REPORT_ACC_X_OFFSET;
         val = ((rd[offset+1] << 8) | rd[offset]) - 511;
         input_report_abs(sc->sensor_dev, ABS_X, val);
 
         /* Y and Z are swapped and inversed */
         val = 511 - ((rd[offset+5] << 8) | rd[offset+4]);
         input_report_abs(sc->sensor_dev, ABS_Y, val);
 
         val = 511 - ((rd[offset+3] << 8) | rd[offset+2]);
         input_report_abs(sc->sensor_dev, ABS_Z, val);
 
         input_sync(sc->sensor_dev);
     }
 }
 
 static void dualshock4_parse_report(struct sony_sc *sc, u8 *rd, int size)
 {
     struct hid_input *hidinput = list_entry(sc->hdev->inputs.next,
                         struct hid_input, list);
     struct input_dev *input_dev = hidinput->input;
     unsigned long flags;
     int n, m, offset, num_touch_data, max_touch_data;
     u8 cable_state, battery_capacity;
     int battery_status;
     u16 timestamp;
 
     /* When using Bluetooth the header is 2 bytes longer, so skip these. */
     int data_offset = (sc->quirks & DUALSHOCK4_CONTROLLER_BT) ? 2 : 0;
 
     /* Second bit of third button byte is for the touchpad button. */
     offset = data_offset + DS4_INPUT_REPORT_BUTTON_OFFSET;
     input_report_key(sc->touchpad, BTN_LEFT, rd[offset+2] & 0x2);
 
     /*
      * The default behavior of the Dualshock 4 is to send reports using
      * report type 1 when running over Bluetooth. However, when feature
      * report 2 is requested during the controller initialization it starts
      * sending input reports in report 17. Since report 17 is undefined
      * in the default HID descriptor, the HID layer won't generate events.
      * While it is possible (and this was done before) to fixup the HID
      * descriptor to add this mapping, it was better to do this manually.
      * The reason is there were various pieces software both open and closed
      * source, relying on the descriptors to be the same across various
      * operating systems. If the descriptors wouldn't match some
      * applications e.g. games on Wine would not be able to function due
      * to different descriptors, which such applications are not parsing.
      */
     if (rd[0] == 17) {
         int value;
 
         offset = data_offset + DS4_INPUT_REPORT_AXIS_OFFSET;
         input_report_abs(input_dev, ABS_X, rd[offset]);
         input_report_abs(input_dev, ABS_Y, rd[offset+1]);
         input_report_abs(input_dev, ABS_RX, rd[offset+2]);
         input_report_abs(input_dev, ABS_RY, rd[offset+3]);
 
         value = rd[offset+4] & 0xf;
         if (value > 7)
             value = 8; /* Center 0, 0 */
         input_report_abs(input_dev, ABS_HAT0X, ds4_hat_mapping[value].x);
         input_report_abs(input_dev, ABS_HAT0Y, ds4_hat_mapping[value].y);
 
         input_report_key(input_dev, BTN_WEST, rd[offset+4] & 0x10);
         input_report_key(input_dev, BTN_SOUTH, rd[offset+4] & 0x20);
         input_report_key(input_dev, BTN_EAST, rd[offset+4] & 0x40);
         input_report_key(input_dev, BTN_NORTH, rd[offset+4] & 0x80);
 
         input_report_key(input_dev, BTN_TL, rd[offset+5] & 0x1);
         input_report_key(input_dev, BTN_TR, rd[offset+5] & 0x2);
         input_report_key(input_dev, BTN_TL2, rd[offset+5] & 0x4);
         input_report_key(input_dev, BTN_TR2, rd[offset+5] & 0x8);
         input_report_key(input_dev, BTN_SELECT, rd[offset+5] & 0x10);
         input_report_key(input_dev, BTN_START, rd[offset+5] & 0x20);
         input_report_key(input_dev, BTN_THUMBL, rd[offset+5] & 0x40);
         input_report_key(input_dev, BTN_THUMBR, rd[offset+5] & 0x80);
 
         input_report_key(input_dev, BTN_MODE, rd[offset+6] & 0x1);
 
         input_report_abs(input_dev, ABS_Z, rd[offset+7]);
         input_report_abs(input_dev, ABS_RZ, rd[offset+8]);
 
         input_sync(input_dev);
     }
 
     /* Convert timestamp (in 5.33us unit) to timestamp_us */
     offset = data_offset + DS4_INPUT_REPORT_TIMESTAMP_OFFSET;
     timestamp = get_unaligned_le16(&rd[offset]);
     if (!sc->timestamp_initialized) {
         sc->timestamp_us = ((unsigned int)timestamp * 16) / 3;
         sc->timestamp_initialized = true;
     } else {
         u16 delta;
 
         if (sc->prev_timestamp > timestamp)
             delta = (U16_MAX - sc->prev_timestamp + timestamp + 1);
         else
             delta = timestamp - sc->prev_timestamp;
         sc->timestamp_us += (delta * 16) / 3;
     }
     sc->prev_timestamp = timestamp;
     input_event(sc->sensor_dev, EV_MSC, MSC_TIMESTAMP, sc->timestamp_us);
 
     offset = data_offset + DS4_INPUT_REPORT_GYRO_X_OFFSET;
     for (n = 0; n < 6; n++) {
         /* Store data in int for more precision during mult_frac. */
         int raw_data = (short)((rd[offset+1] << 8) | rd[offset]);
         struct ds4_calibration_data *calib = &sc->ds4_calib_data[n];
 
         /* High precision is needed during calibration, but the
          * calibrated values are within 32-bit.
          * Note: we swap numerator 'x' and 'numer' in mult_frac for
          *       precision reasons so we don't need 64-bit.
          */
         int calib_data = mult_frac(calib->sens_numer,
                        raw_data - calib->bias,
                        calib->sens_denom);
 
         input_report_abs(sc->sensor_dev, calib->abs_code, calib_data);
         offset += 2;
     }
     input_sync(sc->sensor_dev);
 
     /*
      * The lower 4 bits of byte 30 (or 32 for BT) contain the battery level
      * and the 5th bit contains the USB cable state.
      */
     offset = data_offset + DS4_INPUT_REPORT_BATTERY_OFFSET;
     cable_state = (rd[offset] >> 4) & 0x01;
 
     /*
      * Interpretation of the battery_capacity data depends on the cable state.
      * When no cable is connected (bit4 is 0):
      * - 0:10: percentage in units of 10%.
      * When a cable is plugged in:
      * - 0-10: percentage in units of 10%.
      * - 11: battery is full
      * - 14: not charging due to Voltage or temperature error
      * - 15: charge error
      */
     if (cable_state) {
         u8 battery_data = rd[offset] & 0xf;
 
         if (battery_data < 10) {
             /* Take the mid-point for each battery capacity value,
              * because on the hardware side 0 = 0-9%, 1=10-19%, etc.
              * This matches official platform behavior, which does
              * the same.
              */
             battery_capacity = battery_data * 10 + 5;
             battery_status = POWER_SUPPLY_STATUS_CHARGING;
         } else if (battery_data == 10) {
             battery_capacity = 100;
             battery_status = POWER_SUPPLY_STATUS_CHARGING;
         } else if (battery_data == 11) {
             battery_capacity = 100;
             battery_status = POWER_SUPPLY_STATUS_FULL;
         } else { /* 14, 15 and undefined values */
             battery_capacity = 0;
             battery_status = POWER_SUPPLY_STATUS_UNKNOWN;
         }
     } else {
         u8 battery_data = rd[offset] & 0xf;
 
         if (battery_data < 10)
             battery_capacity = battery_data * 10 + 5;
         else /* 10 */
             battery_capacity = 100;
 
         battery_status = POWER_SUPPLY_STATUS_DISCHARGING;
     }
 
     spin_lock_irqsave(&sc->lock, flags);
     sc->battery_capacity = battery_capacity;
     sc->battery_status = battery_status;
     spin_unlock_irqrestore(&sc->lock, flags);
 
     /*
      * The Dualshock 4 multi-touch trackpad data starts at offset 33 on USB
      * and 35 on Bluetooth.
      * The first byte indicates the number of touch data in the report.
      * Trackpad data starts 2 bytes later (e.g. 35 for USB).
      */
     offset = data_offset + DS4_INPUT_REPORT_TOUCHPAD_OFFSET;
     max_touch_data = (sc->quirks & DUALSHOCK4_CONTROLLER_BT) ? 4 : 3;
     if (rd[offset] > 0 && rd[offset] <= max_touch_data)
         num_touch_data = rd[offset];
     else
         num_touch_data = 1;
     offset += 1;
 
     for (m = 0; m < num_touch_data; m++) {
         /* Skip past timestamp */
         offset += 1;
 
         /*
          * The first 7 bits of the first byte is a counter and bit 8 is
          * a touch indicator that is 0 when pressed and 1 when not
          * pressed.
          * The next 3 bytes are two 12 bit touch coordinates, X and Y.
          * The data for the second touch is in the same format and
          * immediately follows the data for the first.
          */
         for (n = 0; n < 2; n++) {
             u16 x, y;
             bool active;
 
             x = rd[offset+1] | ((rd[offset+2] & 0xF) << 8);
             y = ((rd[offset+2] & 0xF0) >> 4) | (rd[offset+3] << 4);
 
             active = !(rd[offset] >> 7);
             input_mt_slot(sc->touchpad, n);
             input_mt_report_slot_state(sc->touchpad, MT_TOOL_FINGER, active);
 
             if (active) {
                 input_report_abs(sc->touchpad, ABS_MT_POSITION_X, x);
                 input_report_abs(sc->touchpad, ABS_MT_POSITION_Y, y);
             }
 
             offset += 4;
         }
         input_mt_sync_frame(sc->touchpad);
         input_sync(sc->touchpad);
     }
 }
 
 static void nsg_mrxu_parse_report(struct sony_sc *sc, u8 *rd, int size)
 {
     int n, offset, relx, rely;
     u8 active;
 
     /*
      * The NSG-MRxU multi-touch trackpad data starts at offset 1 and
      *   the touch-related data starts at offset 2.
      * For the first byte, bit 0 is set when touchpad button is pressed.
      * Bit 2 is set when a touch is active and the drag (Fn) key is pressed.
      * This drag key is mapped to BTN_LEFT.  It is operational only when a 
      *   touch point is active.
      * Bit 4 is set when only the first touch point is active.
      * Bit 6 is set when only the second touch point is active.
      * Bits 5 and 7 are set when both touch points are active.
      * The next 3 bytes are two 12 bit X/Y coordinates for the first touch.
      * The following byte, offset 5, has the touch width and length.
      *   Bits 0-4=X (width), bits 5-7=Y (length).
      * A signed relative X coordinate is at offset 6.
      * The bytes at offset 7-9 are the second touch X/Y coordinates.
      * Offset 10 has the second touch width and length.
      * Offset 11 has the relative Y coordinate.
      */
     offset = 1;
 
     input_report_key(sc->touchpad, BTN_LEFT, rd[offset] & 0x0F);
     active = (rd[offset] >> 4);
     relx = (s8) rd[offset+5];
     rely = ((s8) rd[offset+10]) * -1;
 
     offset++;
 
     for (n = 0; n < 2; n++) {
         u16 x, y;
         u8 contactx, contacty;
 
         x = rd[offset] | ((rd[offset+1] & 0x0F) << 8);
         y = ((rd[offset+1] & 0xF0) >> 4) | (rd[offset+2] << 4);
 
         input_mt_slot(sc->touchpad, n);
         input_mt_report_slot_state(sc->touchpad, MT_TOOL_FINGER, active & 0x03);
 
         if (active & 0x03) {
             contactx = rd[offset+3] & 0x0F;
             contacty = rd[offset+3] >> 4;
             input_report_abs(sc->touchpad, ABS_MT_TOUCH_MAJOR,
                 max(contactx, contacty));
             input_report_abs(sc->touchpad, ABS_MT_TOUCH_MINOR,
                 min(contactx, contacty));
             input_report_abs(sc->touchpad, ABS_MT_ORIENTATION,
                 (bool) (contactx > contacty));
             input_report_abs(sc->touchpad, ABS_MT_POSITION_X, x);
             input_report_abs(sc->touchpad, ABS_MT_POSITION_Y,
                 NSG_MRXU_MAX_Y - y);
             /*
              * The relative coordinates belong to the first touch
              * point, when present, or to the second touch point
              * when the first is not active.
              */
             if ((n == 0) || ((n == 1) && (active & 0x01))) {
                 input_report_rel(sc->touchpad, REL_X, relx);
                 input_report_rel(sc->touchpad, REL_Y, rely);
             }
         }
 
         offset += 5;
         active >>= 2;
     }
 
     input_mt_sync_frame(sc->touchpad);
 
     input_sync(sc->touchpad);
 }
 
 static int sony_raw_event(struct hid_device *hdev, struct hid_report *report,
         u8 *rd, int size)
 {
     struct sony_sc *sc = hid_get_drvdata(hdev);
 
     /*
      * Sixaxis HID report has acclerometers/gyro with MSByte first, this
      * has to be BYTE_SWAPPED before passing up to joystick interface
      */
     if ((sc->quirks & SIXAXIS_CONTROLLER) && rd[0] == 0x01 && size == 49) {
         /*
          * When connected via Bluetooth the Sixaxis occasionally sends
          * a report with the second byte 0xff and the rest zeroed.
          *
          * This report does not reflect the actual state of the
          * controller must be ignored to avoid generating false input
          * events.
          */
         if (rd[1] == 0xff)
             return -EINVAL;
 
         swap(rd[41], rd[42]);
         swap(rd[43], rd[44]);
         swap(rd[45], rd[46]);
         swap(rd[47], rd[48]);
 
         sixaxis_parse_report(sc, rd, size);
     } else if ((sc->quirks & MOTION_CONTROLLER_BT) && rd[0] == 0x01 && size == 49) {
         sixaxis_parse_report(sc, rd, size);
     } else if ((sc->quirks & NAVIGATION_CONTROLLER) && rd[0] == 0x01 &&
             size == 49) {
         sixaxis_parse_report(sc, rd, size);
     } else if ((sc->quirks & DUALSHOCK4_CONTROLLER_USB) && rd[0] == 0x01 &&
             size == 64) {
         dualshock4_parse_report(sc, rd, size);
     } else if (((sc->quirks & DUALSHOCK4_CONTROLLER_BT) && rd[0] == 0x11 &&
             size == 78)) {
         /* CRC check */
         u8 bthdr = 0xA1;
         u32 crc;
         u32 report_crc;
 
         crc = crc32_le(0xFFFFFFFF, &bthdr, 1);
         crc = ~crc32_le(crc, rd, DS4_INPUT_REPORT_0x11_SIZE-4);
         report_crc = get_unaligned_le32(&rd[DS4_INPUT_REPORT_0x11_SIZE-4]);
         if (crc != report_crc) {
             hid_dbg(sc->hdev, "DualShock 4 input report's CRC check failed, received crc 0x%0x != 0x%0x\n",
                 report_crc, crc);
             return -EILSEQ;
         }
 
         dualshock4_parse_report(sc, rd, size);
     } else if ((sc->quirks & DUALSHOCK4_DONGLE) && rd[0] == 0x01 &&
             size == 64) {
         unsigned long flags;
         enum ds4_dongle_state dongle_state;
 
         /*
          * In the case of a DS4 USB dongle, bit[2] of byte 31 indicates
          * if a DS4 is actually connected (indicated by '0').
          * For non-dongle, this bit is always 0 (connected).
          */
         bool connected = (rd[31] & 0x04) ? false : true;
 
         spin_lock_irqsave(&sc->lock, flags);
         dongle_state = sc->ds4_dongle_state;
         spin_unlock_irqrestore(&sc->lock, flags);
 
         /*
          * The dongle always sends input reports even when no
          * DS4 is attached. When a DS4 is connected, we need to
          * obtain calibration data before we can use it.
          * The code below tracks dongle state and kicks of
          * calibration when needed and only allows us to process
          * input if a DS4 is actually connected.
          */
         if (dongle_state == DONGLE_DISCONNECTED && connected) {
             hid_info(sc->hdev, "DualShock 4 USB dongle: controller connected\n");
             sony_set_leds(sc);
 
             spin_lock_irqsave(&sc->lock, flags);
             sc->ds4_dongle_state = DONGLE_CALIBRATING;
             spin_unlock_irqrestore(&sc->lock, flags);
 
             sony_schedule_work(sc, SONY_WORKER_HOTPLUG);
 
             /* Don't process the report since we don't have
              * calibration data, but let hidraw have it anyway.
              */
             return 0;
         } else if ((dongle_state == DONGLE_CONNECTED ||
                 dongle_state == DONGLE_DISABLED) && !connected) {
             hid_info(sc->hdev, "DualShock 4 USB dongle: controller disconnected\n");
 
             spin_lock_irqsave(&sc->lock, flags);
             sc->ds4_dongle_state = DONGLE_DISCONNECTED;
             spin_unlock_irqrestore(&sc->lock, flags);
 
             /* Return 0, so hidraw can get the report. */
             return 0;
         } else if (dongle_state == DONGLE_CALIBRATING ||
                dongle_state == DONGLE_DISABLED ||
                dongle_state == DONGLE_DISCONNECTED) {
             /* Return 0, so hidraw can get the report. */
             return 0;
         }
 
         dualshock4_parse_report(sc, rd, size);
 
     } else if ((sc->quirks & NSG_MRXU_REMOTE) && rd[0] == 0x02) {
         nsg_mrxu_parse_report(sc, rd, size);
         return 1;
     }
 
     if (sc->defer_initialization) {
         sc->defer_initialization = 0;
         sony_schedule_work(sc, SONY_WORKER_STATE);
     }
 
     return 0;
 }
 
 static int sony_mapping(struct hid_device *hdev, struct hid_input *hi,
             struct hid_field *field, struct hid_usage *usage,
             unsigned long **bit, int *max)
 {
     struct sony_sc *sc = hid_get_drvdata(hdev);
 
     if (sc->quirks & BUZZ_CONTROLLER) {
         unsigned int key = usage->hid & HID_USAGE;
 
         if ((usage->hid & HID_USAGE_PAGE) != HID_UP_BUTTON)
             return -1;
 
         switch (usage->collection_index) {
         case 1:
             if (key >= ARRAY_SIZE(buzz_keymap))
                 return -1;
 
             key = buzz_keymap[key];
             if (!key)
                 return -1;
             break;
         default:
             return -1;
         }
 
         hid_map_usage_clear(hi, usage, bit, max, EV_KEY, key);
         return 1;
     }
 
     if (sc->quirks & PS3REMOTE)
         return ps3remote_mapping(hdev, hi, field, usage, bit, max);
 
     if (sc->quirks & NAVIGATION_CONTROLLER)
         return navigation_mapping(hdev, hi, field, usage, bit, max);
 
     if (sc->quirks & SIXAXIS_CONTROLLER)
         return sixaxis_mapping(hdev, hi, field, usage, bit, max);
 
     if (sc->quirks & DUALSHOCK4_CONTROLLER)
         return ds4_mapping(hdev, hi, field, usage, bit, max);
 
     if (sc->quirks & GH_GUITAR_CONTROLLER)
         return guitar_mapping(hdev, hi, field, usage, bit, max);
 
     /* Let hid-core decide for the others */
     return 0;
 }
 
 static int sony_register_touchpad(struct sony_sc *sc, int touch_count,
         int w, int h, int touch_major, int touch_minor, int orientation)
 {
     size_t name_sz;
     char *name;
     int ret;
 
     sc->touchpad = devm_input_allocate_device(&sc->hdev->dev);
     if (!sc->touchpad)
         return -ENOMEM;
 
     input_set_drvdata(sc->touchpad, sc);
     sc->touchpad->dev.parent = &sc->hdev->dev;
     sc->touchpad->phys = sc->hdev->phys;
     sc->touchpad->uniq = sc->hdev->uniq;
     sc->touchpad->id.bustype = sc->hdev->bus;
     sc->touchpad->id.vendor = sc->hdev->vendor;
     sc->touchpad->id.product = sc->hdev->product;
     sc->touchpad->id.version = sc->hdev->version;
 
     /* Append a suffix to the controller name as there are various
      * DS4 compatible non-Sony devices with different names.
      */
     name_sz = strlen(sc->hdev->name) + sizeof(DS4_TOUCHPAD_SUFFIX);
     name = devm_kzalloc(&sc->hdev->dev, name_sz, GFP_KERNEL);
     if (!name)
         return -ENOMEM;
     snprintf(name, name_sz, "%s" DS4_TOUCHPAD_SUFFIX, sc->hdev->name);
     sc->touchpad->name = name;
 
     /* We map the button underneath the touchpad to BTN_LEFT. */
     __set_bit(EV_KEY, sc->touchpad->evbit);
     __set_bit(BTN_LEFT, sc->touchpad->keybit);
     __set_bit(INPUT_PROP_BUTTONPAD, sc->touchpad->propbit);
 
     input_set_abs_params(sc->touchpad, ABS_MT_POSITION_X, 0, w, 0, 0);
     input_set_abs_params(sc->touchpad, ABS_MT_POSITION_Y, 0, h, 0, 0);
 
     if (touch_major > 0) {
         input_set_abs_params(sc->touchpad, ABS_MT_TOUCH_MAJOR, 
             0, touch_major, 0, 0);
         if (touch_minor > 0)
             input_set_abs_params(sc->touchpad, ABS_MT_TOUCH_MINOR, 
                 0, touch_minor, 0, 0);
         if (orientation > 0)
             input_set_abs_params(sc->touchpad, ABS_MT_ORIENTATION, 
                 0, orientation, 0, 0);
     }
 
     if (sc->quirks & NSG_MRXU_REMOTE) {
         __set_bit(EV_REL, sc->touchpad->evbit);
     }
 
     ret = input_mt_init_slots(sc->touchpad, touch_count, INPUT_MT_POINTER);
     if (ret < 0)
         return ret;
 
     ret = input_register_device(sc->touchpad);
     if (ret < 0)
         return ret;
 
     return 0;
 }
 
 static int sony_register_sensors(struct sony_sc *sc)
 {
     size_t name_sz;
     char *name;
     int ret;
     int range;
 
     sc->sensor_dev = devm_input_allocate_device(&sc->hdev->dev);
     if (!sc->sensor_dev)
         return -ENOMEM;
 
     input_set_drvdata(sc->sensor_dev, sc);
     sc->sensor_dev->dev.parent = &sc->hdev->dev;
     sc->sensor_dev->phys = sc->hdev->phys;
     sc->sensor_dev->uniq = sc->hdev->uniq;
     sc->sensor_dev->id.bustype = sc->hdev->bus;
     sc->sensor_dev->id.vendor = sc->hdev->vendor;
     sc->sensor_dev->id.product = sc->hdev->product;
     sc->sensor_dev->id.version = sc->hdev->version;
 
     /* Append a suffix to the controller name as there are various
      * DS4 compatible non-Sony devices with different names.
      */
     name_sz = strlen(sc->hdev->name) + sizeof(SENSOR_SUFFIX);
     name = devm_kzalloc(&sc->hdev->dev, name_sz, GFP_KERNEL);
     if (!name)
         return -ENOMEM;
     snprintf(name, name_sz, "%s" SENSOR_SUFFIX, sc->hdev->name);
     sc->sensor_dev->name = name;
 
     if (sc->quirks & SIXAXIS_CONTROLLER) {
         /* For the DS3 we only support the accelerometer, which works
          * quite well even without calibration. The device also has
          * a 1-axis gyro, but it is very difficult to manage from within
          * the driver even to get data, the sensor is inaccurate and
          * the behavior is very different between hardware revisions.
          */
         input_set_abs_params(sc->sensor_dev, ABS_X, -512, 511, 4, 0);
         input_set_abs_params(sc->sensor_dev, ABS_Y, -512, 511, 4, 0);
         input_set_abs_params(sc->sensor_dev, ABS_Z, -512, 511, 4, 0);
         input_abs_set_res(sc->sensor_dev, ABS_X, SIXAXIS_ACC_RES_PER_G);
         input_abs_set_res(sc->sensor_dev, ABS_Y, SIXAXIS_ACC_RES_PER_G);
         input_abs_set_res(sc->sensor_dev, ABS_Z, SIXAXIS_ACC_RES_PER_G);
     } else if (sc->quirks & DUALSHOCK4_CONTROLLER) {
         range = DS4_ACC_RES_PER_G*4;
         input_set_abs_params(sc->sensor_dev, ABS_X, -range, range, 16, 0);
         input_set_abs_params(sc->sensor_dev, ABS_Y, -range, range, 16, 0);
         input_set_abs_params(sc->sensor_dev, ABS_Z, -range, range, 16, 0);
         input_abs_set_res(sc->sensor_dev, ABS_X, DS4_ACC_RES_PER_G);
         input_abs_set_res(sc->sensor_dev, ABS_Y, DS4_ACC_RES_PER_G);
         input_abs_set_res(sc->sensor_dev, ABS_Z, DS4_ACC_RES_PER_G);
 
         range = DS4_GYRO_RES_PER_DEG_S*2048;
         input_set_abs_params(sc->sensor_dev, ABS_RX, -range, range, 16, 0);
         input_set_abs_params(sc->sensor_dev, ABS_RY, -range, range, 16, 0);
         input_set_abs_params(sc->sensor_dev, ABS_RZ, -range, range, 16, 0);
         input_abs_set_res(sc->sensor_dev, ABS_RX, DS4_GYRO_RES_PER_DEG_S);
         input_abs_set_res(sc->sensor_dev, ABS_RY, DS4_GYRO_RES_PER_DEG_S);
         input_abs_set_res(sc->sensor_dev, ABS_RZ, DS4_GYRO_RES_PER_DEG_S);
 
         __set_bit(EV_MSC, sc->sensor_dev->evbit);
         __set_bit(MSC_TIMESTAMP, sc->sensor_dev->mscbit);
     }
 
     __set_bit(INPUT_PROP_ACCELEROMETER, sc->sensor_dev->propbit);
 
     ret = input_register_device(sc->sensor_dev);
     if (ret < 0)
         return ret;
 
     return 0;
 }
 
 /*
  * Sending HID_REQ_GET_REPORT changes the operation mode of the ps3 controller
  * to "operational".  Without this, the ps3 controller will not report any
  * events.
  */
 static int sixaxis_set_operational_usb(struct hid_device *hdev)
 {
     struct sony_sc *sc = hid_get_drvdata(hdev);
     const int buf_size =
         max(SIXAXIS_REPORT_0xF2_SIZE, SIXAXIS_REPORT_0xF5_SIZE);
     u8 *buf;
     int ret;
 
     buf = kmalloc(buf_size, GFP_KERNEL);
     if (!buf)
         return -ENOMEM;
 
     ret = hid_hw_raw_request(hdev, 0xf2, buf, SIXAXIS_REPORT_0xF2_SIZE,
                  HID_FEATURE_REPORT, HID_REQ_GET_REPORT);
     if (ret < 0) {
         hid_err(hdev, "can't set operational mode: step 1\n");
         goto out;
     }
 
     /*
      * Some compatible controllers like the Speedlink Strike FX and
      * Gasia need another query plus an USB interrupt to get operational.
      */
     ret = hid_hw_raw_request(hdev, 0xf5, buf, SIXAXIS_REPORT_0xF5_SIZE,
                  HID_FEATURE_REPORT, HID_REQ_GET_REPORT);
     if (ret < 0) {
         hid_err(hdev, "can't set operational mode: step 2\n");
         goto out;
     }
 
     /*
      * But the USB interrupt would cause SHANWAN controllers to
      * start rumbling non-stop, so skip step 3 for these controllers.
      */
     if (sc->quirks & SHANWAN_GAMEPAD)
         goto out;
 
     ret = hid_hw_output_report(hdev, buf, 1);
     if (ret < 0) {
         hid_info(hdev, "can't set operational mode: step 3, ignoring\n");
         ret = 0;
     }
 
 out:
     kfree(buf);
 
     return ret;
 }
 
 static int sixaxis_set_operational_bt(struct hid_device *hdev)
 {
     static const u8 report[] = { 0xf4, 0x42, 0x03, 0x00, 0x00 };
     u8 *buf;
     int ret;
 
     buf = kmemdup(report, sizeof(report), GFP_KERNEL);
     if (!buf)
         return -ENOMEM;
 
     ret = hid_hw_raw_request(hdev, buf[0], buf, sizeof(report),
                   HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
 
     kfree(buf);
 
     return ret;
 }
 
 /*
  * Request DS4 calibration data for the motion sensors.
  * For Bluetooth this also affects the operating mode (see below).
  */
 static int dualshock4_get_calibration_data(struct sony_sc *sc)
 {
     u8 *buf;
     int ret;
     short gyro_pitch_bias, gyro_pitch_plus, gyro_pitch_minus;
     short gyro_yaw_bias, gyro_yaw_plus, gyro_yaw_minus;
     short gyro_roll_bias, gyro_roll_plus, gyro_roll_minus;
     short gyro_speed_plus, gyro_speed_minus;
     short acc_x_plus, acc_x_minus;
     short acc_y_plus, acc_y_minus;
     short acc_z_plus, acc_z_minus;
     int speed_2x;
     int range_2g;
 
     /* For Bluetooth we use a different request, which supports CRC.
      * Note: in Bluetooth mode feature report 0x02 also changes the state
      * of the controller, so that it sends input reports of type 0x11.
      */
     if (sc->quirks & (DUALSHOCK4_CONTROLLER_USB | DUALSHOCK4_DONGLE)) {
         int retries;
 
         buf = kmalloc(DS4_FEATURE_REPORT_0x02_SIZE, GFP_KERNEL);
         if (!buf)
             return -ENOMEM;
 
         /* We should normally receive the feature report data we asked
          * for, but hidraw applications such as Steam can issue feature
          * reports as well. In particular for Dongle reconnects, Steam
          * and this function are competing resulting in often receiving
          * data for a different HID report, so retry a few times.
          */
         for (retries = 0; retries < 3; retries++) {
             ret = hid_hw_raw_request(sc->hdev, 0x02, buf,
                          DS4_FEATURE_REPORT_0x02_SIZE,
                          HID_FEATURE_REPORT,
                          HID_REQ_GET_REPORT);
             if (ret < 0)
                 goto err_stop;
 
             if (buf[0] != 0x02) {
                 if (retries < 2) {
                     hid_warn(sc->hdev, "Retrying DualShock 4 get calibration report (0x02) request\n");
                     continue;
                 } else {
                     ret = -EILSEQ;
                     goto err_stop;
                 }
             } else {
                 break;
             }
         }
     } else {
         u8 bthdr = 0xA3;
         u32 crc;
         u32 report_crc;
         int retries;
 
         buf = kmalloc(DS4_FEATURE_REPORT_0x05_SIZE, GFP_KERNEL);
         if (!buf)
             return -ENOMEM;
 
         for (retries = 0; retries < 3; retries++) {
             ret = hid_hw_raw_request(sc->hdev, 0x05, buf,
                          DS4_FEATURE_REPORT_0x05_SIZE,
                          HID_FEATURE_REPORT,
                          HID_REQ_GET_REPORT);
             if (ret < 0)
                 goto err_stop;
 
             /* CRC check */
             crc = crc32_le(0xFFFFFFFF, &bthdr, 1);
             crc = ~crc32_le(crc, buf, DS4_FEATURE_REPORT_0x05_SIZE-4);
             report_crc = get_unaligned_le32(&buf[DS4_FEATURE_REPORT_0x05_SIZE-4]);
             if (crc != report_crc) {
                 hid_warn(sc->hdev, "DualShock 4 calibration report's CRC check failed, received crc 0x%0x != 0x%0x\n",
                     report_crc, crc);
                 if (retries < 2) {
                     hid_warn(sc->hdev, "Retrying DualShock 4 get calibration report request\n");
                     continue;
                 } else {
                     ret = -EILSEQ;
                     goto err_stop;
                 }
             } else {
                 break;
             }
         }
     }
 
     gyro_pitch_bias  = get_unaligned_le16(&buf[1]);
     gyro_yaw_bias    = get_unaligned_le16(&buf[3]);
     gyro_roll_bias   = get_unaligned_le16(&buf[5]);
     if (sc->quirks & DUALSHOCK4_CONTROLLER_USB) {
         gyro_pitch_plus  = get_unaligned_le16(&buf[7]);
         gyro_pitch_minus = get_unaligned_le16(&buf[9]);
         gyro_yaw_plus    = get_unaligned_le16(&buf[11]);
         gyro_yaw_minus   = get_unaligned_le16(&buf[13]);
         gyro_roll_plus   = get_unaligned_le16(&buf[15]);
         gyro_roll_minus  = get_unaligned_le16(&buf[17]);
     } else {
         /* BT + Dongle */
         gyro_pitch_plus  = get_unaligned_le16(&buf[7]);
         gyro_yaw_plus    = get_unaligned_le16(&buf[9]);
         gyro_roll_plus   = get_unaligned_le16(&buf[11]);
         gyro_pitch_minus = get_unaligned_le16(&buf[13]);
         gyro_yaw_minus   = get_unaligned_le16(&buf[15]);
         gyro_roll_minus  = get_unaligned_le16(&buf[17]);
     }
     gyro_speed_plus  = get_unaligned_le16(&buf[19]);
     gyro_speed_minus = get_unaligned_le16(&buf[21]);
     acc_x_plus       = get_unaligned_le16(&buf[23]);
     acc_x_minus      = get_unaligned_le16(&buf[25]);
     acc_y_plus       = get_unaligned_le16(&buf[27]);
     acc_y_minus      = get_unaligned_le16(&buf[29]);
     acc_z_plus       = get_unaligned_le16(&buf[31]);
     acc_z_minus      = get_unaligned_le16(&buf[33]);
 
     /* Set gyroscope calibration and normalization parameters.
      * Data values will be normalized to 1/DS4_GYRO_RES_PER_DEG_S degree/s.
      */
     speed_2x = (gyro_speed_plus + gyro_speed_minus);
     sc->ds4_calib_data[0].abs_code = ABS_RX;
     sc->ds4_calib_data[0].bias = gyro_pitch_bias;
     sc->ds4_calib_data[0].sens_numer = speed_2x*DS4_GYRO_RES_PER_DEG_S;
     sc->ds4_calib_data[0].sens_denom = gyro_pitch_plus - gyro_pitch_minus;
 
     sc->ds4_calib_data[1].abs_code = ABS_RY;
     sc->ds4_calib_data[1].bias = gyro_yaw_bias;
     sc->ds4_calib_data[1].sens_numer = speed_2x*DS4_GYRO_RES_PER_DEG_S;
     sc->ds4_calib_data[1].sens_denom = gyro_yaw_plus - gyro_yaw_minus;
 
     sc->ds4_calib_data[2].abs_code = ABS_RZ;
     sc->ds4_calib_data[2].bias = gyro_roll_bias;
     sc->ds4_calib_data[2].sens_numer = speed_2x*DS4_GYRO_RES_PER_DEG_S;
     sc->ds4_calib_data[2].sens_denom = gyro_roll_plus - gyro_roll_minus;
 
     /* Set accelerometer calibration and normalization parameters.
      * Data values will be normalized to 1/DS4_ACC_RES_PER_G G.
      */
     range_2g = acc_x_plus - acc_x_minus;
     sc->ds4_calib_data[3].abs_code = ABS_X;
     sc->ds4_calib_data[3].bias = acc_x_plus - range_2g / 2;
     sc->ds4_calib_data[3].sens_numer = 2*DS4_ACC_RES_PER_G;
     sc->ds4_calib_data[3].sens_denom = range_2g;
 
     range_2g = acc_y_plus - acc_y_minus;
     sc->ds4_calib_data[4].abs_code = ABS_Y;
     sc->ds4_calib_data[4].bias = acc_y_plus - range_2g / 2;
     sc->ds4_calib_data[4].sens_numer = 2*DS4_ACC_RES_PER_G;
     sc->ds4_calib_data[4].sens_denom = range_2g;
 
     range_2g = acc_z_plus - acc_z_minus;
     sc->ds4_calib_data[5].abs_code = ABS_Z;
     sc->ds4_calib_data[5].bias = acc_z_plus - range_2g / 2;
     sc->ds4_calib_data[5].sens_numer = 2*DS4_ACC_RES_PER_G;
     sc->ds4_calib_data[5].sens_denom = range_2g;
 
 err_stop:
     kfree(buf);
     return ret;
 }
 
 static void dualshock4_calibration_work(struct work_struct *work)
 {
     struct sony_sc *sc = container_of(work, struct sony_sc, hotplug_worker);
     unsigned long flags;
     enum ds4_dongle_state dongle_state;
     int ret;
 
     ret = dualshock4_get_calibration_data(sc);
     if (ret < 0) {
         /* This call is very unlikely to fail for the dongle. When it
          * fails we are probably in a very bad state, so mark the
          * dongle as disabled. We will re-enable the dongle if a new
          * DS4 hotplug is detect from sony_raw_event as any issues
          * are likely resolved then (the dongle is quite stupid).
          */
         hid_err(sc->hdev, "DualShock 4 USB dongle: calibration failed, disabling device\n");
         dongle_state = DONGLE_DISABLED;
     } else {
         hid_info(sc->hdev, "DualShock 4 USB dongle: calibration completed\n");
         dongle_state = DONGLE_CONNECTED;
     }
 
     spin_lock_irqsave(&sc->lock, flags);
     sc->ds4_dongle_state = dongle_state;
     spin_unlock_irqrestore(&sc->lock, flags);
 }
 
 static int dualshock4_get_version_info(struct sony_sc *sc)
 {
     u8 *buf;
     int ret;
 
     buf = kmalloc(DS4_FEATURE_REPORT_0xA3_SIZE, GFP_KERNEL);
     if (!buf)
         return -ENOMEM;
 
     ret = hid_hw_raw_request(sc->hdev, 0xA3, buf,
                  DS4_FEATURE_REPORT_0xA3_SIZE,
                  HID_FEATURE_REPORT,
                  HID_REQ_GET_REPORT);
     if (ret < 0) {
         kfree(buf);
         return ret;
     }
 
     sc->hw_version = get_unaligned_le16(&buf[35]);
     sc->fw_version = get_unaligned_le16(&buf[41]);
 
     kfree(buf);
     return 0;
 }
 
 static void sixaxis_set_leds_from_id(struct sony_sc *sc)
 {
     static const u8 sixaxis_leds[10][4] = {
                 { 0x01, 0x00, 0x00, 0x00 },
                 { 0x00, 0x01, 0x00, 0x00 },
                 { 0x00, 0x00, 0x01, 0x00 },
                 { 0x00, 0x00, 0x00, 0x01 },
                 { 0x01, 0x00, 0x00, 0x01 },
                 { 0x00, 0x01, 0x00, 0x01 },
                 { 0x00, 0x00, 0x01, 0x01 },
                 { 0x01, 0x00, 0x01, 0x01 },
                 { 0x00, 0x01, 0x01, 0x01 },
                 { 0x01, 0x01, 0x01, 0x01 }
     };
 
     int id = sc->device_id;
 
     BUILD_BUG_ON(MAX_LEDS < ARRAY_SIZE(sixaxis_leds[0]));
 
     if (id < 0)
         return;
 
     id %= 10;
     memcpy(sc->led_state, sixaxis_leds[id], sizeof(sixaxis_leds[id]));
 }
 
 static void dualshock4_set_leds_from_id(struct sony_sc *sc)
 {
     /* The first 4 color/index entries match what the PS4 assigns */
     static const u8 color_code[7][3] = {
             /* Blue   */    { 0x00, 0x00, 0x40 },
             /* Red    */    { 0x40, 0x00, 0x00 },
             /* Green  */    { 0x00, 0x40, 0x00 },
             /* Pink   */    { 0x20, 0x00, 0x20 },
             /* Orange */    { 0x02, 0x01, 0x00 },
             /* Teal   */    { 0x00, 0x01, 0x01 },
             /* White  */    { 0x01, 0x01, 0x01 }
     };
 
     int id = sc->device_id;
 
     BUILD_BUG_ON(MAX_LEDS < ARRAY_SIZE(color_code[0]));
 
     if (id < 0)
         return;
 
     id %= 7;
     memcpy(sc->led_state, color_code[id], sizeof(color_code[id]));
 }
 
 static void buzz_set_leds(struct sony_sc *sc)
 {
     struct hid_device *hdev = sc->hdev;
     struct list_head *report_list =
         &hdev->report_enum[HID_OUTPUT_REPORT].report_list;
     struct hid_report *report = list_entry(report_list->next,
         struct hid_report, list);
     s32 *value = report->field[0]->value;
 
     BUILD_BUG_ON(MAX_LEDS < 4);
 
     value[0] = 0x00;
     value[1] = sc->led_state[0] ? 0xff : 0x00;
     value[2] = sc->led_state[1] ? 0xff : 0x00;
     value[3] = sc->led_state[2] ? 0xff : 0x00;
     value[4] = sc->led_state[3] ? 0xff : 0x00;
     value[5] = 0x00;
     value[6] = 0x00;
     hid_hw_request(hdev, report, HID_REQ_SET_REPORT);
 }
 
 static void sony_set_leds(struct sony_sc *sc)
 {
     if (!(sc->quirks & BUZZ_CONTROLLER))
         sony_schedule_work(sc, SONY_WORKER_STATE);
     else
         buzz_set_leds(sc);
 }
 
 static void sony_led_set_brightness(struct led_classdev *led,
                     enum led_brightness value)
 {
     struct device *dev = led->dev->parent;
     struct hid_device *hdev = to_hid_device(dev);
     struct sony_sc *drv_data;
 
     int n;
     int force_update;
 
     drv_data = hid_get_drvdata(hdev);
     if (!drv_data) {
         hid_err(hdev, "No device data\n");
         return;
     }
 
     /*
      * The Sixaxis on USB will override any LED settings sent to it
      * and keep flashing all of the LEDs until the PS button is pressed.
      * Updates, even if redundant, must be always be sent to the
      * controller to avoid having to toggle the state of an LED just to
      * stop the flashing later on.
      */
     force_update = !!(drv_data->quirks & SIXAXIS_CONTROLLER_USB);
 
     for (n = 0; n < drv_data->led_count; n++) {
         if (led == drv_data->leds[n] && (force_update ||
             (value != drv_data->led_state[n] ||
             drv_data->led_delay_on[n] ||
             drv_data->led_delay_off[n]))) {
 
             drv_data->led_state[n] = value;
 
             /* Setting the brightness stops the blinking */
             drv_data->led_delay_on[n] = 0;
             drv_data->led_delay_off[n] = 0;
 
             sony_set_leds(drv_data);
             break;
         }
     }
 }
 
 static enum led_brightness sony_led_get_brightness(struct led_classdev *led)
 {
     struct device *dev = led->dev->parent;
     struct hid_device *hdev = to_hid_device(dev);
     struct sony_sc *drv_data;
 
     int n;
 
     drv_data = hid_get_drvdata(hdev);
     if (!drv_data) {
         hid_err(hdev, "No device data\n");
         return LED_OFF;
     }
 
     for (n = 0; n < drv_data->led_count; n++) {
         if (led == drv_data->leds[n])
             return drv_data->led_state[n];
     }
 
     return LED_OFF;
 }
 
 static int sony_led_blink_set(struct led_classdev *led, unsigned long *delay_on,
                 unsigned long *delay_off)
 {
     struct device *dev = led->dev->parent;
     struct hid_device *hdev = to_hid_device(dev);
     struct sony_sc *drv_data = hid_get_drvdata(hdev);
     int n;
     u8 new_on, new_off;
 
     if (!drv_data) {
         hid_err(hdev, "No device data\n");
         return -EINVAL;
     }
 
     /* Max delay is 255 deciseconds or 2550 milliseconds */
     if (*delay_on > 2550)
         *delay_on = 2550;
     if (*delay_off > 2550)
         *delay_off = 2550;
 
     /* Blink at 1 Hz if both values are zero */
     if (!*delay_on && !*delay_off)
         *delay_on = *delay_off = 500;
 
     new_on = *delay_on / 10;
     new_off = *delay_off / 10;
 
     for (n = 0; n < drv_data->led_count; n++) {
         if (led == drv_data->leds[n])
             break;
     }
 
     /* This LED is not registered on this device */
     if (n >= drv_data->led_count)
         return -EINVAL;
 
     /* Don't schedule work if the values didn't change */
     if (new_on != drv_data->led_delay_on[n] ||
         new_off != drv_data->led_delay_off[n]) {
         drv_data->led_delay_on[n] = new_on;
         drv_data->led_delay_off[n] = new_off;
         sony_schedule_work(drv_data, SONY_WORKER_STATE);
     }
 
     return 0;
 }
 
 static int sony_leds_init(struct sony_sc *sc)
 {
     struct hid_device *hdev = sc->hdev;
     int n, ret = 0;
     int use_ds4_names;
     struct led_classdev *led;
     size_t name_sz;
     char *name;
     size_t name_len;
     const char *name_fmt;
     static const char * const ds4_name_str[] = { "red", "green", "blue",
                           "global" };
     u8 max_brightness[MAX_LEDS] = { [0 ... (MAX_LEDS - 1)] = 1 };
     u8 use_hw_blink[MAX_LEDS] = { 0 };
 
     BUG_ON(!(sc->quirks & SONY_LED_SUPPORT));
 
     if (sc->quirks & BUZZ_CONTROLLER) {
         sc->led_count = 4;
         use_ds4_names = 0;
         name_len = strlen("::buzz#");
         name_fmt = "%s::buzz%d";
         /* Validate expected report characteristics. */
         if (!hid_validate_values(hdev, HID_OUTPUT_REPORT, 0, 0, 7))
             return -ENODEV;
     } else if (sc->quirks & DUALSHOCK4_CONTROLLER) {
         dualshock4_set_leds_from_id(sc);
         sc->led_state[3] = 1;
         sc->led_count = 4;
         memset(max_brightness, 255, 3);
         use_hw_blink[3] = 1;
         use_ds4_names = 1;
         name_len = 0;
         name_fmt = "%s:%s";
     } else if (sc->quirks & MOTION_CONTROLLER) {
         sc->led_count = 3;
         memset(max_brightness, 255, 3);
         use_ds4_names = 1;
         name_len = 0;
         name_fmt = "%s:%s";
     } else if (sc->quirks & NAVIGATION_CONTROLLER) {
         static const u8 navigation_leds[4] = {0x01, 0x00, 0x00, 0x00};
 
         memcpy(sc->led_state, navigation_leds, sizeof(navigation_leds));
         sc->led_count = 1;
         memset(use_hw_blink, 1, 4);
         use_ds4_names = 0;
         name_len = strlen("::sony#");
         name_fmt = "%s::sony%d";
     } else {
         sixaxis_set_leds_from_id(sc);
         sc->led_count = 4;
         memset(use_hw_blink, 1, 4);
         use_ds4_names = 0;
         name_len = strlen("::sony#");
         name_fmt = "%s::sony%d";
     }
 
     /*
      * Clear LEDs as we have no way of reading their initial state. This is
      * only relevant if the driver is loaded after somebody actively set the
      * LEDs to on
      */
     sony_set_leds(sc);
 
     name_sz = strlen(dev_name(&hdev->dev)) + name_len + 1;
 
     for (n = 0; n < sc->led_count; n++) {
 
         if (use_ds4_names)
             name_sz = strlen(dev_name(&hdev->dev)) + strlen(ds4_name_str[n]) + 2;
 
         led = devm_kzalloc(&hdev->dev, sizeof(struct led_classdev) + name_sz, GFP_KERNEL);
         if (!led) {
             hid_err(hdev, "Couldn't allocate memory for LED %d\n", n);
             return -ENOMEM;
         }
 
         name = (void *)(&led[1]);
         if (use_ds4_names)
             snprintf(name, name_sz, name_fmt, dev_name(&hdev->dev),
             ds4_name_str[n]);
         else
             snprintf(name, name_sz, name_fmt, dev_name(&hdev->dev), n + 1);
         led->name = name;
         led->brightness = sc->led_state[n];
         led->max_brightness = max_brightness[n];
         led->flags = LED_CORE_SUSPENDRESUME;
         led->brightness_get = sony_led_get_brightness;
         led->brightness_set = sony_led_set_brightness;
 
         if (use_hw_blink[n])
             led->blink_set = sony_led_blink_set;
 
         sc->leds[n] = led;
 
         ret = devm_led_classdev_register(&hdev->dev, led);
         if (ret) {
             hid_err(hdev, "Failed to register LED %d\n", n);
             return ret;
         }
     }
 
     return 0;
 }
 
 static void sixaxis_send_output_report(struct sony_sc *sc)
 {
     static const union sixaxis_output_report_01 default_report = {
         .buf = {
             0x01,
             0x01, 0xff, 0x00, 0xff, 0x00,
             0x00, 0x00, 0x00, 0x00, 0x00,
             0xff, 0x27, 0x10, 0x00, 0x32,
             0xff, 0x27, 0x10, 0x00, 0x32,
             0xff, 0x27, 0x10, 0x00, 0x32,
             0xff, 0x27, 0x10, 0x00, 0x32,
             0x00, 0x00, 0x00, 0x00, 0x00
         }
     };
     struct sixaxis_output_report *report =
         (struct sixaxis_output_report *)sc->output_report_dmabuf;
     int n;
 
     /* Initialize the report with default values */
     memcpy(report, &default_report, sizeof(struct sixaxis_output_report));
 
 #ifdef CONFIG_SONY_FF
     report->rumble.right_motor_on = sc->right ? 1 : 0;
     report->rumble.left_motor_force = sc->left;
 #endif
 
     report->leds_bitmap |= sc->led_state[0] << 1;
     report->leds_bitmap |= sc->led_state[1] << 2;
     report->leds_bitmap |= sc->led_state[2] << 3;
     report->leds_bitmap |= sc->led_state[3] << 4;
 
     /* Set flag for all leds off, required for 3rd party INTEC controller */
     if ((report->leds_bitmap & 0x1E) == 0)
         report->leds_bitmap |= 0x20;
 
     /*
      * The LEDs in the report are indexed in reverse order to their
      * corresponding light on the controller.
      * Index 0 = LED 4, index 1 = LED 3, etc...
      *
      * In the case of both delay values being zero (blinking disabled) the
      * default report values should be used or the controller LED will be
      * always off.
      */
     for (n = 0; n < 4; n++) {
         if (sc->led_delay_on[n] || sc->led_delay_off[n]) {
             report->led[3 - n].duty_off = sc->led_delay_off[n];
             report->led[3 - n].duty_on = sc->led_delay_on[n];
         }
     }
 
     /* SHANWAN controllers require output reports via intr channel */
     if (sc->quirks & SHANWAN_GAMEPAD)
         hid_hw_output_report(sc->hdev, (u8 *)report,
                 sizeof(struct sixaxis_output_report));
     else
         hid_hw_raw_request(sc->hdev, report->report_id, (u8 *)report,
                 sizeof(struct sixaxis_output_report),
                 HID_OUTPUT_REPORT, HID_REQ_SET_REPORT);
 }
 
 static void dualshock4_send_output_report(struct sony_sc *sc)
 {
     struct hid_device *hdev = sc->hdev;
     u8 *buf = sc->output_report_dmabuf;
     int offset;
 
     /*
      * NOTE: The lower 6 bits of buf[1] field of the Bluetooth report
      * control the interval at which Dualshock 4 reports data:
      * 0x00 - 1ms
      * 0x01 - 1ms
      * 0x02 - 2ms
      * 0x3E - 62ms
      * 0x3F - disabled
      */
     if (sc->quirks & (DUALSHOCK4_CONTROLLER_USB | DUALSHOCK4_DONGLE)) {
         memset(buf, 0, DS4_OUTPUT_REPORT_0x05_SIZE);
         buf[0] = 0x05;
         buf[1] = 0x07; /* blink + LEDs + motor */
         offset = 4;
     } else {
         memset(buf, 0, DS4_OUTPUT_REPORT_0x11_SIZE);
         buf[0] = 0x11;
         buf[1] = 0xC0 /* HID + CRC */ | sc->ds4_bt_poll_interval;
         buf[3] = 0x07; /* blink + LEDs + motor */
         offset = 6;
     }
 
 #ifdef CONFIG_SONY_FF
     buf[offset++] = sc->right;
     buf[offset++] = sc->left;
 #else
     offset += 2;
 #endif
 
     /* LED 3 is the global control */
     if (sc->led_state[3]) {
         buf[offset++] = sc->led_state[0];
         buf[offset++] = sc->led_state[1];
         buf[offset++] = sc->led_state[2];
     } else {
         offset += 3;
     }
 
     /* If both delay values are zero the DualShock 4 disables blinking. */
     buf[offset++] = sc->led_delay_on[3];
     buf[offset++] = sc->led_delay_off[3];
 
     if (sc->quirks & (DUALSHOCK4_CONTROLLER_USB | DUALSHOCK4_DONGLE))
         hid_hw_output_report(hdev, buf, DS4_OUTPUT_REPORT_0x05_SIZE);
     else {
         /* CRC generation */
         u8 bthdr = 0xA2;
         u32 crc;
 
         crc = crc32_le(0xFFFFFFFF, &bthdr, 1);
         crc = ~crc32_le(crc, buf, DS4_OUTPUT_REPORT_0x11_SIZE-4);
         put_unaligned_le32(crc, &buf[74]);
         hid_hw_output_report(hdev, buf, DS4_OUTPUT_REPORT_0x11_SIZE);
     }
 }
 
 static void motion_send_output_report(struct sony_sc *sc)
 {
     struct hid_device *hdev = sc->hdev;
     struct motion_output_report_02 *report =
         (struct motion_output_report_02 *)sc->output_report_dmabuf;
 
     memset(report, 0, MOTION_REPORT_0x02_SIZE);
 
     report->type = 0x02; /* set leds */
     report->r = sc->led_state[0];
     report->g = sc->led_state[1];
     report->b = sc->led_state[2];
 
 #ifdef CONFIG_SONY_FF
     report->rumble = max(sc->right, sc->left);
 #endif
 
     hid_hw_output_report(hdev, (u8 *)report, MOTION_REPORT_0x02_SIZE);
 }
 
 static inline void sony_send_output_report(struct sony_sc *sc)
 {
     if (sc->send_output_report)
         sc->send_output_report(sc);
 }
 
 static void sony_state_worker(struct work_struct *work)
 {
     struct sony_sc *sc = container_of(work, struct sony_sc, state_worker);
 
     sc->send_output_report(sc);
 }
 
 static int sony_allocate_output_report(struct sony_sc *sc)
 {
     if ((sc->quirks & SIXAXIS_CONTROLLER) ||
             (sc->quirks & NAVIGATION_CONTROLLER))
         sc->output_report_dmabuf =
             devm_kmalloc(&sc->hdev->dev,
                 sizeof(union sixaxis_output_report_01),
                 GFP_KERNEL);
     else if (sc->quirks & DUALSHOCK4_CONTROLLER_BT)
         sc->output_report_dmabuf = devm_kmalloc(&sc->hdev->dev,
                         DS4_OUTPUT_REPORT_0x11_SIZE,
                         GFP_KERNEL);
     else if (sc->quirks & (DUALSHOCK4_CONTROLLER_USB | DUALSHOCK4_DONGLE))
         sc->output_report_dmabuf = devm_kmalloc(&sc->hdev->dev,
                         DS4_OUTPUT_REPORT_0x05_SIZE,
                         GFP_KERNEL);
     else if (sc->quirks & MOTION_CONTROLLER)
         sc->output_report_dmabuf = devm_kmalloc(&sc->hdev->dev,
                         MOTION_REPORT_0x02_SIZE,
                         GFP_KERNEL);
     else
         return 0;
 
     if (!sc->output_report_dmabuf)
         return -ENOMEM;
 
     return 0;
 }
 
 #ifdef CONFIG_SONY_FF
 static int sony_play_effect(struct input_dev *dev, void *data,
                 struct ff_effect *effect)
 {
     struct hid_device *hid = input_get_drvdata(dev);
     struct sony_sc *sc = hid_get_drvdata(hid);
 
     if (effect->type != FF_RUMBLE)
         return 0;
 
     sc->left = effect->u.rumble.strong_magnitude / 256;
     sc->right = effect->u.rumble.weak_magnitude / 256;
 
     sony_schedule_work(sc, SONY_WORKER_STATE);
     return 0;
 }
 
 static int sony_init_ff(struct sony_sc *sc)
 {
     struct hid_input *hidinput;
     struct input_dev *input_dev;
 
     if (list_empty(&sc->hdev->inputs)) {
         hid_err(sc->hdev, "no inputs found\n");
         return -ENODEV;
     }
     hidinput = list_entry(sc->hdev->inputs.next, struct hid_input, list);
     input_dev = hidinput->input;
 
     input_set_capability(input_dev, EV_FF, FF_RUMBLE);
     return input_ff_create_memless(input_dev, NULL, sony_play_effect);
 }
 
 #else
 static int sony_init_ff(struct sony_sc *sc)
 {
     return 0;
 }
 
 #endif
 
 static int sony_battery_get_property(struct power_supply *psy,
                      enum power_supply_property psp,
                      union power_supply_propval *val)
 {
     struct sony_sc *sc = power_supply_get_drvdata(psy);
     unsigned long flags;
     int ret = 0;
     u8 battery_capacity;
     int battery_status;
 
     spin_lock_irqsave(&sc->lock, flags);
     battery_capacity = sc->battery_capacity;
     battery_status = sc->battery_status;
     spin_unlock_irqrestore(&sc->lock, flags);
 
     switch (psp) {
     case POWER_SUPPLY_PROP_PRESENT:
         val->intval = 1;
         break;
     case POWER_SUPPLY_PROP_SCOPE:
         val->intval = POWER_SUPPLY_SCOPE_DEVICE;
         break;
     case POWER_SUPPLY_PROP_CAPACITY:
         val->intval = battery_capacity;
         break;
     case POWER_SUPPLY_PROP_STATUS:
         val->intval = battery_status;
         break;
     default:
         ret = -EINVAL;
         break;
     }
     return ret;
 }
 
 static int sony_battery_probe(struct sony_sc *sc, int append_dev_id)
 {
     const char *battery_str_fmt = append_dev_id ?
         "sony_controller_battery_%pMR_%i" :
         "sony_controller_battery_%pMR";
     struct power_supply_config psy_cfg = { .drv_data = sc, };
     struct hid_device *hdev = sc->hdev;
     int ret;
 
     /*
      * Set the default battery level to 100% to avoid low battery warnings
      * if the battery is polled before the first device report is received.
      */
     sc->battery_capacity = 100;
 
     sc->battery_desc.properties = sony_battery_props;
     sc->battery_desc.num_properties = ARRAY_SIZE(sony_battery_props);
     sc->battery_desc.get_property = sony_battery_get_property;
     sc->battery_desc.type = POWER_SUPPLY_TYPE_BATTERY;
     sc->battery_desc.use_for_apm = 0;
     sc->battery_desc.name = devm_kasprintf(&hdev->dev, GFP_KERNEL,
                       battery_str_fmt, sc->mac_address, sc->device_id);
     if (!sc->battery_desc.name)
         return -ENOMEM;
 
     sc->battery = devm_power_supply_register(&hdev->dev, &sc->battery_desc,
                         &psy_cfg);
     if (IS_ERR(sc->battery)) {
         ret = PTR_ERR(sc->battery);
         hid_err(hdev, "Unable to register battery device\n");
         return ret;
     }
 
     power_supply_powers(sc->battery, &hdev->dev);
     return 0;
 }
 
 /*
  * If a controller is plugged in via USB while already connected via Bluetooth
  * it will show up as two devices. A global list of connected controllers and
  * their MAC addresses is maintained to ensure that a device is only connected
  * once.
  *
  * Some USB-only devices masquerade as Sixaxis controllers and all have the
  * same dummy Bluetooth address, so a comparison of the connection type is
  * required.  Devices are only rejected in the case where two devices have
  * matching Bluetooth addresses on different bus types.
  */
 static inline int sony_compare_connection_type(struct sony_sc *sc0,
                         struct sony_sc *sc1)
 {
     const int sc0_not_bt = !(sc0->quirks & SONY_BT_DEVICE);
     const int sc1_not_bt = !(sc1->quirks & SONY_BT_DEVICE);
 
     return sc0_not_bt == sc1_not_bt;
 }
 
 static int sony_check_add_dev_list(struct sony_sc *sc)
 {
     struct sony_sc *entry;
     unsigned long flags;
     int ret;
 
     spin_lock_irqsave(&sony_dev_list_lock, flags);
 
     list_for_each_entry(entry, &sony_device_list, list_node) {
         ret = memcmp(sc->mac_address, entry->mac_address,
                 sizeof(sc->mac_address));
         if (!ret) {
             if (sony_compare_connection_type(sc, entry)) {
                 ret = 1;
             } else {
                 ret = -EEXIST;
                 hid_info(sc->hdev,
                 "controller with MAC address %pMR already connected\n",
                 sc->mac_address);
             }
             goto unlock;
         }
     }
 
     ret = 0;
     list_add(&(sc->list_node), &sony_device_list);
 
 unlock:
     spin_unlock_irqrestore(&sony_dev_list_lock, flags);
     return ret;
 }
 
 static void sony_remove_dev_list(struct sony_sc *sc)
 {
     unsigned long flags;
 
     if (sc->list_node.next) {
         spin_lock_irqsave(&sony_dev_list_lock, flags);
         list_del(&(sc->list_node));
         spin_unlock_irqrestore(&sony_dev_list_lock, flags);
     }
 }
 
 static int sony_get_bt_devaddr(struct sony_sc *sc)
 {
     int ret;
 
     /* HIDP stores the device MAC address as a string in the uniq field. */
     ret = strlen(sc->hdev->uniq);
     if (ret != 17)
         return -EINVAL;
 
     ret = sscanf(sc->hdev->uniq,
         "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx",
         &sc->mac_address[5], &sc->mac_address[4], &sc->mac_address[3],
         &sc->mac_address[2], &sc->mac_address[1], &sc->mac_address[0]);
 
     if (ret != 6)
         return -EINVAL;
 
     return 0;
 }
 
 static int sony_check_add(struct sony_sc *sc)
 {
     u8 *buf = NULL;
     int n, ret;
 
     if ((sc->quirks & DUALSHOCK4_CONTROLLER_BT) ||
         (sc->quirks & MOTION_CONTROLLER_BT) ||
         (sc->quirks & NAVIGATION_CONTROLLER_BT) ||
         (sc->quirks & SIXAXIS_CONTROLLER_BT)) {
         /*
          * sony_get_bt_devaddr() attempts to parse the Bluetooth MAC
          * address from the uniq string where HIDP stores it.
          * As uniq cannot be guaranteed to be a MAC address in all cases
          * a failure of this function should not prevent the connection.
          */
         if (sony_get_bt_devaddr(sc) < 0) {
             hid_warn(sc->hdev, "UNIQ does not contain a MAC address; duplicate check skipped\n");
             return 0;
         }
     } else if (sc->quirks & (DUALSHOCK4_CONTROLLER_USB | DUALSHOCK4_DONGLE)) {
         buf = kmalloc(DS4_FEATURE_REPORT_0x81_SIZE, GFP_KERNEL);
         if (!buf)
             return -ENOMEM;
 
         /*
          * The MAC address of a DS4 controller connected via USB can be
          * retrieved with feature report 0x81. The address begins at
          * offset 1.
          */
         ret = hid_hw_raw_request(sc->hdev, 0x81, buf,
                 DS4_FEATURE_REPORT_0x81_SIZE, HID_FEATURE_REPORT,
                 HID_REQ_GET_REPORT);
 
         if (ret != DS4_FEATURE_REPORT_0x81_SIZE) {
             hid_err(sc->hdev, "failed to retrieve feature report 0x81 with the DualShock 4 MAC address\n");
             ret = ret < 0 ? ret : -EINVAL;
             goto out_free;
         }
 
         memcpy(sc->mac_address, &buf[1], sizeof(sc->mac_address));
 
         snprintf(sc->hdev->uniq, sizeof(sc->hdev->uniq),
              "%pMR", sc->mac_address);
     } else if ((sc->quirks & SIXAXIS_CONTROLLER_USB) ||
             (sc->quirks & NAVIGATION_CONTROLLER_USB)) {
         buf = kmalloc(SIXAXIS_REPORT_0xF2_SIZE, GFP_KERNEL);
         if (!buf)
             return -ENOMEM;
 
         /*
          * The MAC address of a Sixaxis controller connected via USB can
          * be retrieved with feature report 0xf2. The address begins at
          * offset 4.
          */
         ret = hid_hw_raw_request(sc->hdev, 0xf2, buf,
                 SIXAXIS_REPORT_0xF2_SIZE, HID_FEATURE_REPORT,
                 HID_REQ_GET_REPORT);
 
         if (ret != SIXAXIS_REPORT_0xF2_SIZE) {
             hid_err(sc->hdev, "failed to retrieve feature report 0xf2 with the Sixaxis MAC address\n");
             ret = ret < 0 ? ret : -EINVAL;
             goto out_free;
         }
 
         /*
          * The Sixaxis device MAC in the report is big-endian and must
          * be byte-swapped.
          */
         for (n = 0; n < 6; n++)
             sc->mac_address[5-n] = buf[4+n];
 
         snprintf(sc->hdev->uniq, sizeof(sc->hdev->uniq),
              "%pMR", sc->mac_address);
     } else {
         return 0;
     }
 
     ret = sony_check_add_dev_list(sc);
 
 out_free:
 
     kfree(buf);
 
     return ret;
 }
 
 static int sony_set_device_id(struct sony_sc *sc)
 {
     int ret;
 
     /*
      * Only DualShock 4 or Sixaxis controllers get an id.
      * All others are set to -1.
      */
     if ((sc->quirks & SIXAXIS_CONTROLLER) ||
         (sc->quirks & DUALSHOCK4_CONTROLLER)) {
         ret = ida_simple_get(&sony_device_id_allocator, 0, 0,
                     GFP_KERNEL);
         if (ret < 0) {
             sc->device_id = -1;
             return ret;
         }
         sc->device_id = ret;
     } else {
         sc->device_id = -1;
     }
 
     return 0;
 }
 
 static void sony_release_device_id(struct sony_sc *sc)
 {
     if (sc->device_id >= 0) {
         ida_simple_remove(&sony_device_id_allocator, sc->device_id);
         sc->device_id = -1;
     }
 }
 
 static inline void sony_init_output_report(struct sony_sc *sc,
                 void (*send_output_report)(struct sony_sc *))
 {
     sc->send_output_report = send_output_report;
 
     if (!sc->state_worker_initialized)
         INIT_WORK(&sc->state_worker, sony_state_worker);
 
     sc->state_worker_initialized = 1;
 }
 
 static inline void sony_cancel_work_sync(struct sony_sc *sc)
 {
     unsigned long flags;
 
     if (sc->hotplug_worker_initialized)
         cancel_work_sync(&sc->hotplug_worker);
     if (sc->state_worker_initialized) {
         spin_lock_irqsave(&sc->lock, flags);
         sc->state_worker_initialized = 0;
         spin_unlock_irqrestore(&sc->lock, flags);
         cancel_work_sync(&sc->state_worker);
     }
 }
 
 static int sony_input_configured(struct hid_device *hdev,
                     struct hid_input *hidinput)
 {
     struct sony_sc *sc = hid_get_drvdata(hdev);
     int append_dev_id;
     int ret;
 
     ret = sony_set_device_id(sc);
     if (ret < 0) {
         hid_err(hdev, "failed to allocate the device id\n");
         goto err_stop;
     }
 
     ret = append_dev_id = sony_check_add(sc);
     if (ret < 0)
         goto err_stop;
 
     ret = sony_allocate_output_report(sc);
     if (ret < 0) {
         hid_err(hdev, "failed to allocate the output report buffer\n");
         goto err_stop;
     }
 
     if (sc->quirks & NAVIGATION_CONTROLLER_USB) {
         /*
          * The Sony Sixaxis does not handle HID Output Reports on the
          * Interrupt EP like it could, so we need to force HID Output
          * Reports to use HID_REQ_SET_REPORT on the Control EP.
          *
          * There is also another issue about HID Output Reports via USB,
          * the Sixaxis does not want the report_id as part of the data
          * packet, so we have to discard buf[0] when sending the actual
          * control message, even for numbered reports, humpf!
          *
          * Additionally, the Sixaxis on USB isn't properly initialized
          * until the PS logo button is pressed and as such won't retain
          * any state set by an output report, so the initial
          * configuration report is deferred until the first input
          * report arrives.
          */
         hdev->quirks |= HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP;
         hdev->quirks |= HID_QUIRK_SKIP_OUTPUT_REPORT_ID;
         sc->defer_initialization = 1;
 
         ret = sixaxis_set_operational_usb(hdev);
         if (ret < 0) {
             hid_err(hdev, "Failed to set controller into operational mode\n");
             goto err_stop;
         }
 
         sony_init_output_report(sc, sixaxis_send_output_report);
     } else if (sc->quirks & NAVIGATION_CONTROLLER_BT) {
         /*
          * The Navigation controller wants output reports sent on the ctrl
          * endpoint when connected via Bluetooth.
          */
         hdev->quirks |= HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP;
 
         ret = sixaxis_set_operational_bt(hdev);
         if (ret < 0) {
             hid_err(hdev, "Failed to set controller into operational mode\n");
             goto err_stop;
         }
 
         sony_init_output_report(sc, sixaxis_send_output_report);
     } else if (sc->quirks & SIXAXIS_CONTROLLER_USB) {
         /*
          * The Sony Sixaxis does not handle HID Output Reports on the
          * Interrupt EP and the device only becomes active when the
          * PS button is pressed. See comment for Navigation controller
          * above for more details.
          */
         hdev->quirks |= HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP;
         hdev->quirks |= HID_QUIRK_SKIP_OUTPUT_REPORT_ID;
         sc->defer_initialization = 1;
 
         ret = sixaxis_set_operational_usb(hdev);
         if (ret < 0) {
             hid_err(hdev, "Failed to set controller into operational mode\n");
             goto err_stop;
         }
 
         ret = sony_register_sensors(sc);
         if (ret) {
             hid_err(sc->hdev,
             "Unable to initialize motion sensors: %d\n", ret);
             goto err_stop;
         }
 
         sony_init_output_report(sc, sixaxis_send_output_report);
     } else if (sc->quirks & SIXAXIS_CONTROLLER_BT) {
         /*
          * The Sixaxis wants output reports sent on the ctrl endpoint
          * when connected via Bluetooth.
          */
         hdev->quirks |= HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP;
 
         ret = sixaxis_set_operational_bt(hdev);
         if (ret < 0) {
             hid_err(hdev, "Failed to set controller into operational mode\n");
             goto err_stop;
         }
 
         ret = sony_register_sensors(sc);
         if (ret) {
             hid_err(sc->hdev,
             "Unable to initialize motion sensors: %d\n", ret);
             goto err_stop;
         }
 
         sony_init_output_report(sc, sixaxis_send_output_report);
     } else if (sc->quirks & DUALSHOCK4_CONTROLLER) {
         ret = dualshock4_get_calibration_data(sc);
         if (ret < 0) {
             hid_err(hdev, "Failed to get calibration data from Dualshock 4\n");
             goto err_stop;
         }
 
         ret = dualshock4_get_version_info(sc);
         if (ret < 0) {
             hid_err(sc->hdev, "Failed to get version data from Dualshock 4\n");
             goto err_stop;
         }
 
         ret = device_create_file(&sc->hdev->dev, &dev_attr_firmware_version);
         if (ret) {
             hid_err(sc->hdev, "can't create sysfs firmware_version attribute err: %d\n", ret);
             goto err_stop;
         }
         sc->fw_version_created = true;
 
         ret = device_create_file(&sc->hdev->dev, &dev_attr_hardware_version);
         if (ret) {
             hid_err(sc->hdev, "can't create sysfs hardware_version attribute err: %d\n", ret);
             goto err_stop;
         }
         sc->hw_version_created = true;
 
         /*
          * The Dualshock 4 touchpad supports 2 touches and has a
          * resolution of 1920x942 (44.86 dots/mm).
          */
         ret = sony_register_touchpad(sc, 2, 1920, 942, 0, 0, 0);
         if (ret) {
             hid_err(sc->hdev,
             "Unable to initialize multi-touch slots: %d\n",
             ret);
             goto err_stop;
         }
 
         ret = sony_register_sensors(sc);
         if (ret) {
             hid_err(sc->hdev,
             "Unable to initialize motion sensors: %d\n", ret);
             goto err_stop;
         }
 
         if (sc->quirks & DUALSHOCK4_CONTROLLER_BT) {
             sc->ds4_bt_poll_interval = DS4_BT_DEFAULT_POLL_INTERVAL_MS;
             ret = device_create_file(&sc->hdev->dev, &dev_attr_bt_poll_interval);
             if (ret)
                 hid_warn(sc->hdev,
                  "can't create sysfs bt_poll_interval attribute err: %d\n",
                  ret);
         }
 
         if (sc->quirks & DUALSHOCK4_DONGLE) {
             INIT_WORK(&sc->hotplug_worker, dualshock4_calibration_work);
             sc->hotplug_worker_initialized = 1;
             sc->ds4_dongle_state = DONGLE_DISCONNECTED;
         }
 
         sony_init_output_report(sc, dualshock4_send_output_report);
     } else if (sc->quirks & NSG_MRXU_REMOTE) {
         /*
          * The NSG-MRxU touchpad supports 2 touches and has a
          * resolution of 1667x1868
          */
         ret = sony_register_touchpad(sc, 2,
             NSG_MRXU_MAX_X, NSG_MRXU_MAX_Y, 15, 15, 1);
         if (ret) {
             hid_err(sc->hdev,
             "Unable to initialize multi-touch slots: %d\n",
             ret);
             goto err_stop;
         }
 
     } else if (sc->quirks & MOTION_CONTROLLER) {
         sony_init_output_report(sc, motion_send_output_report);
     } else {
         ret = 0;
     }
 
     if (sc->quirks & SONY_LED_SUPPORT) {
         ret = sony_leds_init(sc);
         if (ret < 0)
             goto err_stop;
     }
 
     if (sc->quirks & SONY_BATTERY_SUPPORT) {
         ret = sony_battery_probe(sc, append_dev_id);
         if (ret < 0)
             goto err_stop;
 
         /* Open the device to receive reports with battery info */
         ret = hid_hw_open(hdev);
         if (ret < 0) {
             hid_err(hdev, "hw open failed\n");
             goto err_stop;
         }
     }
 
     if (sc->quirks & SONY_FF_SUPPORT) {
         ret = sony_init_ff(sc);
         if (ret < 0)
             goto err_close;
     }
 
     return 0;
 err_close:
     hid_hw_close(hdev);
 err_stop:
     /* Piggy back on the default ds4_bt_ poll_interval to determine
      * if we need to remove the file as we don't know for sure if we
      * executed that logic.
      */
     if (sc->ds4_bt_poll_interval)
         device_remove_file(&sc->hdev->dev, &dev_attr_bt_poll_interval);
     if (sc->fw_version_created)
         device_remove_file(&sc->hdev->dev, &dev_attr_firmware_version);
     if (sc->hw_version_created)
         device_remove_file(&sc->hdev->dev, &dev_attr_hardware_version);
     sony_cancel_work_sync(sc);
     sony_remove_dev_list(sc);
     sony_release_device_id(sc);
     return ret;
 }
 
 static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id)
 {
     int ret;
     unsigned long quirks = id->driver_data;
     struct sony_sc *sc;
     struct usb_device *usbdev;
     unsigned int connect_mask = HID_CONNECT_DEFAULT;
 
     if (!strcmp(hdev->name, "FutureMax Dance Mat"))
         quirks |= FUTUREMAX_DANCE_MAT;
 
     if (!strcmp(hdev->name, "SHANWAN PS3 GamePad") ||
         !strcmp(hdev->name, "ShanWan PS(R) Ga`epad"))
         quirks |= SHANWAN_GAMEPAD;
 
     sc = devm_kzalloc(&hdev->dev, sizeof(*sc), GFP_KERNEL);
     if (sc == NULL) {
         hid_err(hdev, "can't alloc sony descriptor\n");
         return -ENOMEM;
     }
 
     spin_lock_init(&sc->lock);
 
     sc->quirks = quirks;
     hid_set_drvdata(hdev, sc);
     sc->hdev = hdev;
 
     ret = hid_parse(hdev);
     if (ret) {
         hid_err(hdev, "parse failed\n");
         return ret;
     }
 
     if (sc->quirks & VAIO_RDESC_CONSTANT)
         connect_mask |= HID_CONNECT_HIDDEV_FORCE;
     else if (sc->quirks & SIXAXIS_CONTROLLER)
         connect_mask |= HID_CONNECT_HIDDEV_FORCE;
 
     /* Patch the hw version on DS3/4 compatible devices, so applications can
      * distinguish between the default HID mappings and the mappings defined
      * by the Linux game controller spec. This is important for the SDL2
      * library, which has a game controller database, which uses device ids
      * in combination with version as a key.
      */
     if (sc->quirks & (SIXAXIS_CONTROLLER | DUALSHOCK4_CONTROLLER))
         hdev->version |= 0x8000;
 
     ret = hid_hw_start(hdev, connect_mask);
     if (ret) {
         hid_err(hdev, "hw start failed\n");
         return ret;
     }
 
     /* sony_input_configured can fail, but this doesn't result
      * in hid_hw_start failures (intended). Check whether
      * the HID layer claimed the device else fail.
      * We don't know the actual reason for the failure, most
      * likely it is due to EEXIST in case of double connection
      * of USB and Bluetooth, but could have been due to ENOMEM
      * or other reasons as well.
      */
     if (!(hdev->claimed & HID_CLAIMED_INPUT)) {
         hid_err(hdev, "failed to claim input\n");
         ret = -ENODEV;
         goto err;
     }
 
     if (sc->quirks & (GHL_GUITAR_PS3WIIU | GHL_GUITAR_PS4)) {
         if (!hid_is_usb(hdev)) {
             ret = -EINVAL;
             goto err;
         }
 
         usbdev = to_usb_device(sc->hdev->dev.parent->parent);
 
         sc->ghl_urb = usb_alloc_urb(0, GFP_ATOMIC);
         if (!sc->ghl_urb) {
             ret = -ENOMEM;
             goto err;
         }
 
         if (sc->quirks & GHL_GUITAR_PS3WIIU)
             ret = ghl_init_urb(sc, usbdev, ghl_ps3wiiu_magic_data,
                                ARRAY_SIZE(ghl_ps3wiiu_magic_data));
         else if (sc->quirks & GHL_GUITAR_PS4)
             ret = ghl_init_urb(sc, usbdev, ghl_ps4_magic_data,
                                ARRAY_SIZE(ghl_ps4_magic_data));
         if (ret) {
             hid_err(hdev, "error preparing URB\n");
             goto err;
         }
 
         timer_setup(&sc->ghl_poke_timer, ghl_magic_poke, 0);
         mod_timer(&sc->ghl_poke_timer,
               jiffies + GHL_GUITAR_POKE_INTERVAL*HZ);
     }
 
     return ret;
 
 err:
     hid_hw_stop(hdev);
     return ret;
 }
 
 static void sony_remove(struct hid_device *hdev)
 {
     struct sony_sc *sc = hid_get_drvdata(hdev);
 
     if (sc->quirks & (GHL_GUITAR_PS3WIIU | GHL_GUITAR_PS4)) {
         del_timer_sync(&sc->ghl_poke_timer);
         usb_free_urb(sc->ghl_urb);
     }
 
     hid_hw_close(hdev);
 
     if (sc->quirks & DUALSHOCK4_CONTROLLER_BT)
         device_remove_file(&sc->hdev->dev, &dev_attr_bt_poll_interval);
 
     if (sc->fw_version_created)
         device_remove_file(&sc->hdev->dev, &dev_attr_firmware_version);
 
     if (sc->hw_version_created)
         device_remove_file(&sc->hdev->dev, &dev_attr_hardware_version);
 
     sony_cancel_work_sync(sc);
 
     sony_remove_dev_list(sc);
 
     sony_release_device_id(sc);
 
     hid_hw_stop(hdev);
 }
 
 #ifdef CONFIG_PM
 
 static int sony_suspend(struct hid_device *hdev, pm_message_t message)
 {
 #ifdef CONFIG_SONY_FF
 
     /* On suspend stop any running force-feedback events */
     if (SONY_FF_SUPPORT) {
         struct sony_sc *sc = hid_get_drvdata(hdev);
 
         sc->left = sc->right = 0;
         sony_send_output_report(sc);
     }
 
 #endif
     return 0;
 }
 
 static int sony_resume(struct hid_device *hdev)
 {
     struct sony_sc *sc = hid_get_drvdata(hdev);
 
     /*
      * The Sixaxis and navigation controllers on USB need to be
      * reinitialized on resume or they won't behave properly.
      */
     if ((sc->quirks & SIXAXIS_CONTROLLER_USB) ||
         (sc->quirks & NAVIGATION_CONTROLLER_USB)) {
         sixaxis_set_operational_usb(sc->hdev);
         sc->defer_initialization = 1;
     }
 
     return 0;
 }
 
 #endif
 
 static const struct hid_device_id sony_devices[] = {
     { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER),
         .driver_data = SIXAXIS_CONTROLLER_USB },
     { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER),
         .driver_data = NAVIGATION_CONTROLLER_USB },
     { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER),
         .driver_data = NAVIGATION_CONTROLLER_BT },
     { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_MOTION_CONTROLLER),
         .driver_data = MOTION_CONTROLLER_USB },
     { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_MOTION_CONTROLLER),
         .driver_data = MOTION_CONTROLLER_BT },
     { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER),
         .driver_data = SIXAXIS_CONTROLLER_BT },
     { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE),
         .driver_data = VAIO_RDESC_CONSTANT },
     { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE),
         .driver_data = VAIO_RDESC_CONSTANT },
     /*
      * Wired Buzz Controller. Reported as Sony Hub from its USB ID and as
      * Logitech joystick from the device descriptor.
      */
     { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_BUZZ_CONTROLLER),
         .driver_data = BUZZ_CONTROLLER },
     { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_WIRELESS_BUZZ_CONTROLLER),
         .driver_data = BUZZ_CONTROLLER },
     /* PS3 BD Remote Control */
     { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE),
         .driver_data = PS3REMOTE },
     /* Logitech Harmony Adapter for PS3 */
     { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3),
         .driver_data = PS3REMOTE },
     /* SMK-Link PS3 BD Remote Control */
     { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SMK, USB_DEVICE_ID_SMK_PS3_BDREMOTE),
         .driver_data = PS3REMOTE },
     /* Sony Dualshock 4 controllers for PS4 */
     { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER),
         .driver_data = DUALSHOCK4_CONTROLLER_USB },
     { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER),
         .driver_data = DUALSHOCK4_CONTROLLER_BT },
     { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER_2),
         .driver_data = DUALSHOCK4_CONTROLLER_USB },
     { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER_2),
         .driver_data = DUALSHOCK4_CONTROLLER_BT },
     { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER_DONGLE),
         .driver_data = DUALSHOCK4_DONGLE },
     /* Nyko Core Controller for PS3 */
     { HID_USB_DEVICE(USB_VENDOR_ID_SINO_LITE, USB_DEVICE_ID_SINO_LITE_CONTROLLER),
         .driver_data = SIXAXIS_CONTROLLER_USB | SINO_LITE_CONTROLLER },
     /* SMK-Link NSG-MR5U Remote Control */
     { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SMK, USB_DEVICE_ID_SMK_NSG_MR5U_REMOTE),
         .driver_data = NSG_MR5U_REMOTE_BT },
     /* SMK-Link NSG-MR7U Remote Control */
     { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SMK, USB_DEVICE_ID_SMK_NSG_MR7U_REMOTE),
         .driver_data = NSG_MR7U_REMOTE_BT },
     /* Guitar Hero Live PS3 and Wii U guitar dongles */
     { HID_USB_DEVICE(USB_VENDOR_ID_SONY_RHYTHM, USB_DEVICE_ID_SONY_PS3WIIU_GHLIVE_DONGLE),
         .driver_data = GHL_GUITAR_PS3WIIU | GH_GUITAR_CONTROLLER },
     /* Guitar Hero PC Guitar Dongle */
     { HID_USB_DEVICE(USB_VENDOR_ID_REDOCTANE, USB_DEVICE_ID_REDOCTANE_GUITAR_DONGLE),
         .driver_data = GH_GUITAR_CONTROLLER },
     /* Guitar Hero PS3 World Tour Guitar Dongle */
     { HID_USB_DEVICE(USB_VENDOR_ID_SONY_RHYTHM, USB_DEVICE_ID_SONY_PS3_GUITAR_DONGLE),
         .driver_data = GH_GUITAR_CONTROLLER },
     /* Guitar Hero Live PS4 guitar dongles */
     { HID_USB_DEVICE(USB_VENDOR_ID_REDOCTANE, USB_DEVICE_ID_REDOCTANE_PS4_GHLIVE_DONGLE),
         .driver_data = GHL_GUITAR_PS4 | GH_GUITAR_CONTROLLER },
     { }
 };
 MODULE_DEVICE_TABLE(hid, sony_devices);
 
 static struct hid_driver sony_driver = {
     .name             = "sony",
     .id_table         = sony_devices,
     .input_mapping    = sony_mapping,
     .input_configured = sony_input_configured,
     .probe            = sony_probe,
     .remove           = sony_remove,
     .report_fixup     = sony_report_fixup,
     .raw_event        = sony_raw_event,
 
 #ifdef CONFIG_PM
     .suspend          = sony_suspend,
     .resume           = sony_resume,
     .reset_resume     = sony_resume,
 #endif
 };
 
 static int __init sony_init(void)
 {
     dbg_hid("Sony:%s\n", __func__);
 
     return hid_register_driver(&sony_driver);
 }
 
 static void __exit sony_exit(void)
 {
     dbg_hid("Sony:%s\n", __func__);
 
     hid_unregister_driver(&sony_driver);
     ida_destroy(&sony_device_id_allocator);
 }
 module_init(sony_init);
 module_exit(sony_exit);
 
 MODULE_LICENSE("GPL");