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OSCL-LXR
 
 

     

0001 // SPDX-License-Identifier: GPL-2.0-only
0002 /*
0003  * rt5616.c  --  RT5616 ALSA SoC audio codec driver
0004  *
0005  * Copyright 2015 Realtek Semiconductor Corp.
0006  * Author: Bard Liao <bardliao@realtek.com>
0007  */
0008 
0009 #include <linux/module.h>
0010 #include <linux/moduleparam.h>
0011 #include <linux/init.h>
0012 #include <linux/clk.h>
0013 #include <linux/delay.h>
0014 #include <linux/pm.h>
0015 #include <linux/i2c.h>
0016 #include <linux/platform_device.h>
0017 #include <linux/spi/spi.h>
0018 #include <sound/core.h>
0019 #include <sound/pcm.h>
0020 #include <sound/pcm_params.h>
0021 #include <sound/soc.h>
0022 #include <sound/soc-dapm.h>
0023 #include <sound/initval.h>
0024 #include <sound/tlv.h>
0025 
0026 #include "rl6231.h"
0027 #include "rt5616.h"
0028 
0029 #define RT5616_PR_RANGE_BASE (0xff + 1)
0030 #define RT5616_PR_SPACING 0x100
0031 
0032 #define RT5616_PR_BASE (RT5616_PR_RANGE_BASE + (0 * RT5616_PR_SPACING))
0033 
0034 static const struct regmap_range_cfg rt5616_ranges[] = {
0035     {
0036         .name = "PR",
0037         .range_min = RT5616_PR_BASE,
0038         .range_max = RT5616_PR_BASE + 0xf8,
0039         .selector_reg = RT5616_PRIV_INDEX,
0040         .selector_mask = 0xff,
0041         .selector_shift = 0x0,
0042         .window_start = RT5616_PRIV_DATA,
0043         .window_len = 0x1,
0044     },
0045 };
0046 
0047 static const struct reg_sequence init_list[] = {
0048     {RT5616_PR_BASE + 0x3d, 0x3e00},
0049     {RT5616_PR_BASE + 0x25, 0x6110},
0050     {RT5616_PR_BASE + 0x20, 0x611f},
0051     {RT5616_PR_BASE + 0x21, 0x4040},
0052     {RT5616_PR_BASE + 0x23, 0x0004},
0053 };
0054 
0055 #define RT5616_INIT_REG_LEN ARRAY_SIZE(init_list)
0056 
0057 static const struct reg_default rt5616_reg[] = {
0058     { 0x00, 0x0021 },
0059     { 0x02, 0xc8c8 },
0060     { 0x03, 0xc8c8 },
0061     { 0x05, 0x0000 },
0062     { 0x0d, 0x0000 },
0063     { 0x0f, 0x0808 },
0064     { 0x19, 0xafaf },
0065     { 0x1c, 0x2f2f },
0066     { 0x1e, 0x0000 },
0067     { 0x27, 0x7860 },
0068     { 0x29, 0x8080 },
0069     { 0x2a, 0x5252 },
0070     { 0x3b, 0x0000 },
0071     { 0x3c, 0x006f },
0072     { 0x3d, 0x0000 },
0073     { 0x3e, 0x006f },
0074     { 0x45, 0x6000 },
0075     { 0x4d, 0x0000 },
0076     { 0x4e, 0x0000 },
0077     { 0x4f, 0x0279 },
0078     { 0x50, 0x0000 },
0079     { 0x51, 0x0000 },
0080     { 0x52, 0x0279 },
0081     { 0x53, 0xf000 },
0082     { 0x61, 0x0000 },
0083     { 0x62, 0x0000 },
0084     { 0x63, 0x00c0 },
0085     { 0x64, 0x0000 },
0086     { 0x65, 0x0000 },
0087     { 0x66, 0x0000 },
0088     { 0x70, 0x8000 },
0089     { 0x73, 0x1104 },
0090     { 0x74, 0x0c00 },
0091     { 0x80, 0x0000 },
0092     { 0x81, 0x0000 },
0093     { 0x82, 0x0000 },
0094     { 0x8b, 0x0600 },
0095     { 0x8e, 0x0004 },
0096     { 0x8f, 0x1100 },
0097     { 0x90, 0x0000 },
0098     { 0x91, 0x0c00 },
0099     { 0x92, 0x0000 },
0100     { 0x93, 0x2000 },
0101     { 0x94, 0x0200 },
0102     { 0x95, 0x0000 },
0103     { 0xb0, 0x2080 },
0104     { 0xb1, 0x0000 },
0105     { 0xb2, 0x0000 },
0106     { 0xb4, 0x2206 },
0107     { 0xb5, 0x1f00 },
0108     { 0xb6, 0x0000 },
0109     { 0xb7, 0x0000 },
0110     { 0xbb, 0x0000 },
0111     { 0xbc, 0x0000 },
0112     { 0xbd, 0x0000 },
0113     { 0xbe, 0x0000 },
0114     { 0xbf, 0x0000 },
0115     { 0xc0, 0x0100 },
0116     { 0xc1, 0x0000 },
0117     { 0xc2, 0x0000 },
0118     { 0xc8, 0x0000 },
0119     { 0xc9, 0x0000 },
0120     { 0xca, 0x0000 },
0121     { 0xcb, 0x0000 },
0122     { 0xcc, 0x0000 },
0123     { 0xcd, 0x0000 },
0124     { 0xce, 0x0000 },
0125     { 0xcf, 0x0013 },
0126     { 0xd0, 0x0680 },
0127     { 0xd1, 0x1c17 },
0128     { 0xd3, 0xb320 },
0129     { 0xd4, 0x0000 },
0130     { 0xd6, 0x0000 },
0131     { 0xd7, 0x0000 },
0132     { 0xd9, 0x0809 },
0133     { 0xda, 0x0000 },
0134     { 0xfa, 0x0010 },
0135     { 0xfb, 0x0000 },
0136     { 0xfc, 0x0000 },
0137     { 0xfe, 0x10ec },
0138     { 0xff, 0x6281 },
0139 };
0140 
0141 struct rt5616_priv {
0142     struct snd_soc_component *component;
0143     struct delayed_work patch_work;
0144     struct regmap *regmap;
0145     struct clk *mclk;
0146 
0147     int sysclk;
0148     int sysclk_src;
0149     int lrck[RT5616_AIFS];
0150     int bclk[RT5616_AIFS];
0151     int master[RT5616_AIFS];
0152 
0153     int pll_src;
0154     int pll_in;
0155     int pll_out;
0156 
0157 };
0158 
0159 static bool rt5616_volatile_register(struct device *dev, unsigned int reg)
0160 {
0161     int i;
0162 
0163     for (i = 0; i < ARRAY_SIZE(rt5616_ranges); i++) {
0164         if (reg >= rt5616_ranges[i].range_min &&
0165             reg <= rt5616_ranges[i].range_max)
0166             return true;
0167     }
0168 
0169     switch (reg) {
0170     case RT5616_RESET:
0171     case RT5616_PRIV_DATA:
0172     case RT5616_EQ_CTRL1:
0173     case RT5616_DRC_AGC_1:
0174     case RT5616_IRQ_CTRL2:
0175     case RT5616_INT_IRQ_ST:
0176     case RT5616_PGM_REG_ARR1:
0177     case RT5616_PGM_REG_ARR3:
0178     case RT5616_VENDOR_ID:
0179     case RT5616_DEVICE_ID:
0180         return true;
0181     default:
0182         return false;
0183     }
0184 }
0185 
0186 static bool rt5616_readable_register(struct device *dev, unsigned int reg)
0187 {
0188     int i;
0189 
0190     for (i = 0; i < ARRAY_SIZE(rt5616_ranges); i++) {
0191         if (reg >= rt5616_ranges[i].range_min &&
0192             reg <= rt5616_ranges[i].range_max)
0193             return true;
0194     }
0195 
0196     switch (reg) {
0197     case RT5616_RESET:
0198     case RT5616_VERSION_ID:
0199     case RT5616_VENDOR_ID:
0200     case RT5616_DEVICE_ID:
0201     case RT5616_HP_VOL:
0202     case RT5616_LOUT_CTRL1:
0203     case RT5616_LOUT_CTRL2:
0204     case RT5616_IN1_IN2:
0205     case RT5616_INL1_INR1_VOL:
0206     case RT5616_DAC1_DIG_VOL:
0207     case RT5616_ADC_DIG_VOL:
0208     case RT5616_ADC_BST_VOL:
0209     case RT5616_STO1_ADC_MIXER:
0210     case RT5616_AD_DA_MIXER:
0211     case RT5616_STO_DAC_MIXER:
0212     case RT5616_REC_L1_MIXER:
0213     case RT5616_REC_L2_MIXER:
0214     case RT5616_REC_R1_MIXER:
0215     case RT5616_REC_R2_MIXER:
0216     case RT5616_HPO_MIXER:
0217     case RT5616_OUT_L1_MIXER:
0218     case RT5616_OUT_L2_MIXER:
0219     case RT5616_OUT_L3_MIXER:
0220     case RT5616_OUT_R1_MIXER:
0221     case RT5616_OUT_R2_MIXER:
0222     case RT5616_OUT_R3_MIXER:
0223     case RT5616_LOUT_MIXER:
0224     case RT5616_PWR_DIG1:
0225     case RT5616_PWR_DIG2:
0226     case RT5616_PWR_ANLG1:
0227     case RT5616_PWR_ANLG2:
0228     case RT5616_PWR_MIXER:
0229     case RT5616_PWR_VOL:
0230     case RT5616_PRIV_INDEX:
0231     case RT5616_PRIV_DATA:
0232     case RT5616_I2S1_SDP:
0233     case RT5616_ADDA_CLK1:
0234     case RT5616_ADDA_CLK2:
0235     case RT5616_GLB_CLK:
0236     case RT5616_PLL_CTRL1:
0237     case RT5616_PLL_CTRL2:
0238     case RT5616_HP_OVCD:
0239     case RT5616_DEPOP_M1:
0240     case RT5616_DEPOP_M2:
0241     case RT5616_DEPOP_M3:
0242     case RT5616_CHARGE_PUMP:
0243     case RT5616_PV_DET_SPK_G:
0244     case RT5616_MICBIAS:
0245     case RT5616_A_JD_CTL1:
0246     case RT5616_A_JD_CTL2:
0247     case RT5616_EQ_CTRL1:
0248     case RT5616_EQ_CTRL2:
0249     case RT5616_WIND_FILTER:
0250     case RT5616_DRC_AGC_1:
0251     case RT5616_DRC_AGC_2:
0252     case RT5616_DRC_AGC_3:
0253     case RT5616_SVOL_ZC:
0254     case RT5616_JD_CTRL1:
0255     case RT5616_JD_CTRL2:
0256     case RT5616_IRQ_CTRL1:
0257     case RT5616_IRQ_CTRL2:
0258     case RT5616_INT_IRQ_ST:
0259     case RT5616_GPIO_CTRL1:
0260     case RT5616_GPIO_CTRL2:
0261     case RT5616_GPIO_CTRL3:
0262     case RT5616_PGM_REG_ARR1:
0263     case RT5616_PGM_REG_ARR2:
0264     case RT5616_PGM_REG_ARR3:
0265     case RT5616_PGM_REG_ARR4:
0266     case RT5616_PGM_REG_ARR5:
0267     case RT5616_SCB_FUNC:
0268     case RT5616_SCB_CTRL:
0269     case RT5616_BASE_BACK:
0270     case RT5616_MP3_PLUS1:
0271     case RT5616_MP3_PLUS2:
0272     case RT5616_ADJ_HPF_CTRL1:
0273     case RT5616_ADJ_HPF_CTRL2:
0274     case RT5616_HP_CALIB_AMP_DET:
0275     case RT5616_HP_CALIB2:
0276     case RT5616_SV_ZCD1:
0277     case RT5616_SV_ZCD2:
0278     case RT5616_D_MISC:
0279     case RT5616_DUMMY2:
0280     case RT5616_DUMMY3:
0281         return true;
0282     default:
0283         return false;
0284     }
0285 }
0286 
0287 static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -4650, 150, 0);
0288 static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -65625, 375, 0);
0289 static const DECLARE_TLV_DB_SCALE(in_vol_tlv, -3450, 150, 0);
0290 static const DECLARE_TLV_DB_SCALE(adc_vol_tlv, -17625, 375, 0);
0291 static const DECLARE_TLV_DB_SCALE(adc_bst_tlv, 0, 1200, 0);
0292 
0293 /* {0, +20, +24, +30, +35, +40, +44, +50, +52} dB */
0294 static const SNDRV_CTL_TLVD_DECLARE_DB_RANGE(bst_tlv,
0295     0, 0, TLV_DB_SCALE_ITEM(0, 0, 0),
0296     1, 1, TLV_DB_SCALE_ITEM(2000, 0, 0),
0297     2, 2, TLV_DB_SCALE_ITEM(2400, 0, 0),
0298     3, 5, TLV_DB_SCALE_ITEM(3000, 500, 0),
0299     6, 6, TLV_DB_SCALE_ITEM(4400, 0, 0),
0300     7, 7, TLV_DB_SCALE_ITEM(5000, 0, 0),
0301     8, 8, TLV_DB_SCALE_ITEM(5200, 0, 0),
0302 );
0303 
0304 static const struct snd_kcontrol_new rt5616_snd_controls[] = {
0305     /* Headphone Output Volume */
0306     SOC_DOUBLE("HP Playback Switch", RT5616_HP_VOL,
0307            RT5616_L_MUTE_SFT, RT5616_R_MUTE_SFT, 1, 1),
0308     SOC_DOUBLE("HPVOL Playback Switch", RT5616_HP_VOL,
0309            RT5616_VOL_L_SFT, RT5616_VOL_R_SFT, 1, 1),
0310     SOC_DOUBLE_TLV("HP Playback Volume", RT5616_HP_VOL,
0311                RT5616_L_VOL_SFT, RT5616_R_VOL_SFT, 39, 1, out_vol_tlv),
0312     /* OUTPUT Control */
0313     SOC_DOUBLE("OUT Playback Switch", RT5616_LOUT_CTRL1,
0314            RT5616_L_MUTE_SFT, RT5616_R_MUTE_SFT, 1, 1),
0315     SOC_DOUBLE("OUT Channel Switch", RT5616_LOUT_CTRL1,
0316            RT5616_VOL_L_SFT, RT5616_VOL_R_SFT, 1, 1),
0317     SOC_DOUBLE_TLV("OUT Playback Volume", RT5616_LOUT_CTRL1,
0318                RT5616_L_VOL_SFT, RT5616_R_VOL_SFT, 39, 1, out_vol_tlv),
0319 
0320     /* DAC Digital Volume */
0321     SOC_DOUBLE_TLV("DAC1 Playback Volume", RT5616_DAC1_DIG_VOL,
0322                RT5616_L_VOL_SFT, RT5616_R_VOL_SFT,
0323                175, 0, dac_vol_tlv),
0324     /* IN1/IN2 Control */
0325     SOC_SINGLE_TLV("IN1 Boost Volume", RT5616_IN1_IN2,
0326                RT5616_BST_SFT1, 8, 0, bst_tlv),
0327     SOC_SINGLE_TLV("IN2 Boost Volume", RT5616_IN1_IN2,
0328                RT5616_BST_SFT2, 8, 0, bst_tlv),
0329     /* INL/INR Volume Control */
0330     SOC_DOUBLE_TLV("IN Capture Volume", RT5616_INL1_INR1_VOL,
0331                RT5616_INL_VOL_SFT, RT5616_INR_VOL_SFT,
0332                31, 1, in_vol_tlv),
0333     /* ADC Digital Volume Control */
0334     SOC_DOUBLE("ADC Capture Switch", RT5616_ADC_DIG_VOL,
0335            RT5616_L_MUTE_SFT, RT5616_R_MUTE_SFT, 1, 1),
0336     SOC_DOUBLE_TLV("ADC Capture Volume", RT5616_ADC_DIG_VOL,
0337                RT5616_L_VOL_SFT, RT5616_R_VOL_SFT,
0338                127, 0, adc_vol_tlv),
0339 
0340     /* ADC Boost Volume Control */
0341     SOC_DOUBLE_TLV("ADC Boost Volume", RT5616_ADC_BST_VOL,
0342                RT5616_ADC_L_BST_SFT, RT5616_ADC_R_BST_SFT,
0343                3, 0, adc_bst_tlv),
0344 };
0345 
0346 static int is_sys_clk_from_pll(struct snd_soc_dapm_widget *source,
0347                    struct snd_soc_dapm_widget *sink)
0348 {
0349     unsigned int val;
0350 
0351     val = snd_soc_component_read(snd_soc_dapm_to_component(source->dapm), RT5616_GLB_CLK);
0352     val &= RT5616_SCLK_SRC_MASK;
0353     if (val == RT5616_SCLK_SRC_PLL1)
0354         return 1;
0355     else
0356         return 0;
0357 }
0358 
0359 /* Digital Mixer */
0360 static const struct snd_kcontrol_new rt5616_sto1_adc_l_mix[] = {
0361     SOC_DAPM_SINGLE("ADC1 Switch", RT5616_STO1_ADC_MIXER,
0362             RT5616_M_STO1_ADC_L1_SFT, 1, 1),
0363 };
0364 
0365 static const struct snd_kcontrol_new rt5616_sto1_adc_r_mix[] = {
0366     SOC_DAPM_SINGLE("ADC1 Switch", RT5616_STO1_ADC_MIXER,
0367             RT5616_M_STO1_ADC_R1_SFT, 1, 1),
0368 };
0369 
0370 static const struct snd_kcontrol_new rt5616_dac_l_mix[] = {
0371     SOC_DAPM_SINGLE("Stereo ADC Switch", RT5616_AD_DA_MIXER,
0372             RT5616_M_ADCMIX_L_SFT, 1, 1),
0373     SOC_DAPM_SINGLE("INF1 Switch", RT5616_AD_DA_MIXER,
0374             RT5616_M_IF1_DAC_L_SFT, 1, 1),
0375 };
0376 
0377 static const struct snd_kcontrol_new rt5616_dac_r_mix[] = {
0378     SOC_DAPM_SINGLE("Stereo ADC Switch", RT5616_AD_DA_MIXER,
0379             RT5616_M_ADCMIX_R_SFT, 1, 1),
0380     SOC_DAPM_SINGLE("INF1 Switch", RT5616_AD_DA_MIXER,
0381             RT5616_M_IF1_DAC_R_SFT, 1, 1),
0382 };
0383 
0384 static const struct snd_kcontrol_new rt5616_sto_dac_l_mix[] = {
0385     SOC_DAPM_SINGLE("DAC L1 Switch", RT5616_STO_DAC_MIXER,
0386             RT5616_M_DAC_L1_MIXL_SFT, 1, 1),
0387     SOC_DAPM_SINGLE("DAC R1 Switch", RT5616_STO_DAC_MIXER,
0388             RT5616_M_DAC_R1_MIXL_SFT, 1, 1),
0389 };
0390 
0391 static const struct snd_kcontrol_new rt5616_sto_dac_r_mix[] = {
0392     SOC_DAPM_SINGLE("DAC R1 Switch", RT5616_STO_DAC_MIXER,
0393             RT5616_M_DAC_R1_MIXR_SFT, 1, 1),
0394     SOC_DAPM_SINGLE("DAC L1 Switch", RT5616_STO_DAC_MIXER,
0395             RT5616_M_DAC_L1_MIXR_SFT, 1, 1),
0396 };
0397 
0398 /* Analog Input Mixer */
0399 static const struct snd_kcontrol_new rt5616_rec_l_mix[] = {
0400     SOC_DAPM_SINGLE("INL1 Switch", RT5616_REC_L2_MIXER,
0401             RT5616_M_IN1_L_RM_L_SFT, 1, 1),
0402     SOC_DAPM_SINGLE("BST2 Switch", RT5616_REC_L2_MIXER,
0403             RT5616_M_BST2_RM_L_SFT, 1, 1),
0404     SOC_DAPM_SINGLE("BST1 Switch", RT5616_REC_L2_MIXER,
0405             RT5616_M_BST1_RM_L_SFT, 1, 1),
0406 };
0407 
0408 static const struct snd_kcontrol_new rt5616_rec_r_mix[] = {
0409     SOC_DAPM_SINGLE("INR1 Switch", RT5616_REC_R2_MIXER,
0410             RT5616_M_IN1_R_RM_R_SFT, 1, 1),
0411     SOC_DAPM_SINGLE("BST2 Switch", RT5616_REC_R2_MIXER,
0412             RT5616_M_BST2_RM_R_SFT, 1, 1),
0413     SOC_DAPM_SINGLE("BST1 Switch", RT5616_REC_R2_MIXER,
0414             RT5616_M_BST1_RM_R_SFT, 1, 1),
0415 };
0416 
0417 /* Analog Output Mixer */
0418 
0419 static const struct snd_kcontrol_new rt5616_out_l_mix[] = {
0420     SOC_DAPM_SINGLE("BST1 Switch", RT5616_OUT_L3_MIXER,
0421             RT5616_M_BST1_OM_L_SFT, 1, 1),
0422     SOC_DAPM_SINGLE("BST2 Switch", RT5616_OUT_L3_MIXER,
0423             RT5616_M_BST2_OM_L_SFT, 1, 1),
0424     SOC_DAPM_SINGLE("INL1 Switch", RT5616_OUT_L3_MIXER,
0425             RT5616_M_IN1_L_OM_L_SFT, 1, 1),
0426     SOC_DAPM_SINGLE("REC MIXL Switch", RT5616_OUT_L3_MIXER,
0427             RT5616_M_RM_L_OM_L_SFT, 1, 1),
0428     SOC_DAPM_SINGLE("DAC L1 Switch", RT5616_OUT_L3_MIXER,
0429             RT5616_M_DAC_L1_OM_L_SFT, 1, 1),
0430 };
0431 
0432 static const struct snd_kcontrol_new rt5616_out_r_mix[] = {
0433     SOC_DAPM_SINGLE("BST2 Switch", RT5616_OUT_R3_MIXER,
0434             RT5616_M_BST2_OM_R_SFT, 1, 1),
0435     SOC_DAPM_SINGLE("BST1 Switch", RT5616_OUT_R3_MIXER,
0436             RT5616_M_BST1_OM_R_SFT, 1, 1),
0437     SOC_DAPM_SINGLE("INR1 Switch", RT5616_OUT_R3_MIXER,
0438             RT5616_M_IN1_R_OM_R_SFT, 1, 1),
0439     SOC_DAPM_SINGLE("REC MIXR Switch", RT5616_OUT_R3_MIXER,
0440             RT5616_M_RM_R_OM_R_SFT, 1, 1),
0441     SOC_DAPM_SINGLE("DAC R1 Switch", RT5616_OUT_R3_MIXER,
0442             RT5616_M_DAC_R1_OM_R_SFT, 1, 1),
0443 };
0444 
0445 static const struct snd_kcontrol_new rt5616_hpo_mix[] = {
0446     SOC_DAPM_SINGLE("DAC1 Switch", RT5616_HPO_MIXER,
0447             RT5616_M_DAC1_HM_SFT, 1, 1),
0448     SOC_DAPM_SINGLE("HPVOL Switch", RT5616_HPO_MIXER,
0449             RT5616_M_HPVOL_HM_SFT, 1, 1),
0450 };
0451 
0452 static const struct snd_kcontrol_new rt5616_lout_mix[] = {
0453     SOC_DAPM_SINGLE("DAC L1 Switch", RT5616_LOUT_MIXER,
0454             RT5616_M_DAC_L1_LM_SFT, 1, 1),
0455     SOC_DAPM_SINGLE("DAC R1 Switch", RT5616_LOUT_MIXER,
0456             RT5616_M_DAC_R1_LM_SFT, 1, 1),
0457     SOC_DAPM_SINGLE("OUTVOL L Switch", RT5616_LOUT_MIXER,
0458             RT5616_M_OV_L_LM_SFT, 1, 1),
0459     SOC_DAPM_SINGLE("OUTVOL R Switch", RT5616_LOUT_MIXER,
0460             RT5616_M_OV_R_LM_SFT, 1, 1),
0461 };
0462 
0463 static int rt5616_adc_event(struct snd_soc_dapm_widget *w,
0464                 struct snd_kcontrol *kcontrol, int event)
0465 {
0466     struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
0467 
0468     switch (event) {
0469     case SND_SOC_DAPM_POST_PMU:
0470         snd_soc_component_update_bits(component, RT5616_ADC_DIG_VOL,
0471                     RT5616_L_MUTE | RT5616_R_MUTE, 0);
0472         break;
0473 
0474     case SND_SOC_DAPM_POST_PMD:
0475         snd_soc_component_update_bits(component, RT5616_ADC_DIG_VOL,
0476                     RT5616_L_MUTE | RT5616_R_MUTE,
0477                     RT5616_L_MUTE | RT5616_R_MUTE);
0478         break;
0479 
0480     default:
0481         return 0;
0482     }
0483 
0484     return 0;
0485 }
0486 
0487 static int rt5616_charge_pump_event(struct snd_soc_dapm_widget *w,
0488                     struct snd_kcontrol *kcontrol, int event)
0489 {
0490     struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
0491 
0492     switch (event) {
0493     case SND_SOC_DAPM_POST_PMU:
0494         /* depop parameters */
0495         snd_soc_component_update_bits(component, RT5616_DEPOP_M2,
0496                     RT5616_DEPOP_MASK, RT5616_DEPOP_MAN);
0497         snd_soc_component_update_bits(component, RT5616_DEPOP_M1,
0498                     RT5616_HP_CP_MASK | RT5616_HP_SG_MASK |
0499                     RT5616_HP_CB_MASK, RT5616_HP_CP_PU |
0500                     RT5616_HP_SG_DIS | RT5616_HP_CB_PU);
0501         snd_soc_component_write(component, RT5616_PR_BASE +
0502                   RT5616_HP_DCC_INT1, 0x9f00);
0503         /* headphone amp power on */
0504         snd_soc_component_update_bits(component, RT5616_PWR_ANLG1,
0505                     RT5616_PWR_FV1 | RT5616_PWR_FV2, 0);
0506         snd_soc_component_update_bits(component, RT5616_PWR_VOL,
0507                     RT5616_PWR_HV_L | RT5616_PWR_HV_R,
0508                     RT5616_PWR_HV_L | RT5616_PWR_HV_R);
0509         snd_soc_component_update_bits(component, RT5616_PWR_ANLG1,
0510                     RT5616_PWR_HP_L | RT5616_PWR_HP_R |
0511                     RT5616_PWR_HA, RT5616_PWR_HP_L |
0512                     RT5616_PWR_HP_R | RT5616_PWR_HA);
0513         msleep(50);
0514         snd_soc_component_update_bits(component, RT5616_PWR_ANLG1,
0515                     RT5616_PWR_FV1 | RT5616_PWR_FV2,
0516                     RT5616_PWR_FV1 | RT5616_PWR_FV2);
0517 
0518         snd_soc_component_update_bits(component, RT5616_CHARGE_PUMP,
0519                     RT5616_PM_HP_MASK, RT5616_PM_HP_HV);
0520         snd_soc_component_update_bits(component, RT5616_PR_BASE +
0521                     RT5616_CHOP_DAC_ADC, 0x0200, 0x0200);
0522         snd_soc_component_update_bits(component, RT5616_DEPOP_M1,
0523                     RT5616_HP_CO_MASK | RT5616_HP_SG_MASK,
0524                     RT5616_HP_CO_EN | RT5616_HP_SG_EN);
0525         break;
0526     case SND_SOC_DAPM_PRE_PMD:
0527         snd_soc_component_update_bits(component, RT5616_PR_BASE +
0528                     RT5616_CHOP_DAC_ADC, 0x0200, 0x0);
0529         snd_soc_component_update_bits(component, RT5616_DEPOP_M1,
0530                     RT5616_HP_SG_MASK | RT5616_HP_L_SMT_MASK |
0531                     RT5616_HP_R_SMT_MASK, RT5616_HP_SG_DIS |
0532                     RT5616_HP_L_SMT_DIS | RT5616_HP_R_SMT_DIS);
0533         /* headphone amp power down */
0534         snd_soc_component_update_bits(component, RT5616_DEPOP_M1,
0535                     RT5616_SMT_TRIG_MASK |
0536                     RT5616_HP_CD_PD_MASK | RT5616_HP_CO_MASK |
0537                     RT5616_HP_CP_MASK | RT5616_HP_SG_MASK |
0538                     RT5616_HP_CB_MASK,
0539                     RT5616_SMT_TRIG_DIS | RT5616_HP_CD_PD_EN |
0540                     RT5616_HP_CO_DIS | RT5616_HP_CP_PD |
0541                     RT5616_HP_SG_EN | RT5616_HP_CB_PD);
0542         snd_soc_component_update_bits(component, RT5616_PWR_ANLG1,
0543                     RT5616_PWR_HP_L | RT5616_PWR_HP_R |
0544                     RT5616_PWR_HA, 0);
0545         break;
0546     default:
0547         return 0;
0548     }
0549 
0550     return 0;
0551 }
0552 
0553 static int rt5616_hp_event(struct snd_soc_dapm_widget *w,
0554                struct snd_kcontrol *kcontrol, int event)
0555 {
0556     struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
0557 
0558     switch (event) {
0559     case SND_SOC_DAPM_POST_PMU:
0560         /* headphone unmute sequence */
0561         snd_soc_component_update_bits(component, RT5616_DEPOP_M3,
0562                     RT5616_CP_FQ1_MASK | RT5616_CP_FQ2_MASK |
0563                     RT5616_CP_FQ3_MASK,
0564                     RT5616_CP_FQ_192_KHZ << RT5616_CP_FQ1_SFT |
0565                     RT5616_CP_FQ_12_KHZ << RT5616_CP_FQ2_SFT |
0566                     RT5616_CP_FQ_192_KHZ << RT5616_CP_FQ3_SFT);
0567         snd_soc_component_write(component, RT5616_PR_BASE +
0568                   RT5616_MAMP_INT_REG2, 0xfc00);
0569         snd_soc_component_update_bits(component, RT5616_DEPOP_M1,
0570                     RT5616_SMT_TRIG_MASK, RT5616_SMT_TRIG_EN);
0571         snd_soc_component_update_bits(component, RT5616_DEPOP_M1,
0572                     RT5616_RSTN_MASK, RT5616_RSTN_EN);
0573         snd_soc_component_update_bits(component, RT5616_DEPOP_M1,
0574                     RT5616_RSTN_MASK | RT5616_HP_L_SMT_MASK |
0575                     RT5616_HP_R_SMT_MASK, RT5616_RSTN_DIS |
0576                     RT5616_HP_L_SMT_EN | RT5616_HP_R_SMT_EN);
0577         snd_soc_component_update_bits(component, RT5616_HP_VOL,
0578                     RT5616_L_MUTE | RT5616_R_MUTE, 0);
0579         msleep(100);
0580         snd_soc_component_update_bits(component, RT5616_DEPOP_M1,
0581                     RT5616_HP_SG_MASK | RT5616_HP_L_SMT_MASK |
0582                     RT5616_HP_R_SMT_MASK, RT5616_HP_SG_DIS |
0583                     RT5616_HP_L_SMT_DIS | RT5616_HP_R_SMT_DIS);
0584         msleep(20);
0585         snd_soc_component_update_bits(component, RT5616_HP_CALIB_AMP_DET,
0586                     RT5616_HPD_PS_MASK, RT5616_HPD_PS_EN);
0587         break;
0588 
0589     case SND_SOC_DAPM_PRE_PMD:
0590         /* headphone mute sequence */
0591         snd_soc_component_update_bits(component, RT5616_DEPOP_M3,
0592                     RT5616_CP_FQ1_MASK | RT5616_CP_FQ2_MASK |
0593                     RT5616_CP_FQ3_MASK,
0594                     RT5616_CP_FQ_96_KHZ << RT5616_CP_FQ1_SFT |
0595                     RT5616_CP_FQ_12_KHZ << RT5616_CP_FQ2_SFT |
0596                     RT5616_CP_FQ_96_KHZ << RT5616_CP_FQ3_SFT);
0597         snd_soc_component_write(component, RT5616_PR_BASE +
0598                   RT5616_MAMP_INT_REG2, 0xfc00);
0599         snd_soc_component_update_bits(component, RT5616_DEPOP_M1,
0600                     RT5616_HP_SG_MASK, RT5616_HP_SG_EN);
0601         snd_soc_component_update_bits(component, RT5616_DEPOP_M1,
0602                     RT5616_RSTP_MASK, RT5616_RSTP_EN);
0603         snd_soc_component_update_bits(component, RT5616_DEPOP_M1,
0604                     RT5616_RSTP_MASK | RT5616_HP_L_SMT_MASK |
0605                     RT5616_HP_R_SMT_MASK, RT5616_RSTP_DIS |
0606                     RT5616_HP_L_SMT_EN | RT5616_HP_R_SMT_EN);
0607         snd_soc_component_update_bits(component, RT5616_HP_CALIB_AMP_DET,
0608                     RT5616_HPD_PS_MASK, RT5616_HPD_PS_DIS);
0609         msleep(90);
0610         snd_soc_component_update_bits(component, RT5616_HP_VOL,
0611                     RT5616_L_MUTE | RT5616_R_MUTE,
0612                     RT5616_L_MUTE | RT5616_R_MUTE);
0613         msleep(30);
0614         break;
0615 
0616     default:
0617         return 0;
0618     }
0619 
0620     return 0;
0621 }
0622 
0623 static int rt5616_lout_event(struct snd_soc_dapm_widget *w,
0624                  struct snd_kcontrol *kcontrol, int event)
0625 {
0626     struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
0627 
0628     switch (event) {
0629     case SND_SOC_DAPM_POST_PMU:
0630         snd_soc_component_update_bits(component, RT5616_PWR_ANLG1,
0631                     RT5616_PWR_LM, RT5616_PWR_LM);
0632         snd_soc_component_update_bits(component, RT5616_LOUT_CTRL1,
0633                     RT5616_L_MUTE | RT5616_R_MUTE, 0);
0634         break;
0635 
0636     case SND_SOC_DAPM_PRE_PMD:
0637         snd_soc_component_update_bits(component, RT5616_LOUT_CTRL1,
0638                     RT5616_L_MUTE | RT5616_R_MUTE,
0639                     RT5616_L_MUTE | RT5616_R_MUTE);
0640         snd_soc_component_update_bits(component, RT5616_PWR_ANLG1,
0641                     RT5616_PWR_LM, 0);
0642         break;
0643 
0644     default:
0645         return 0;
0646     }
0647 
0648     return 0;
0649 }
0650 
0651 static int rt5616_bst1_event(struct snd_soc_dapm_widget *w,
0652                  struct snd_kcontrol *kcontrol, int event)
0653 {
0654     struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
0655 
0656     switch (event) {
0657     case SND_SOC_DAPM_POST_PMU:
0658         snd_soc_component_update_bits(component, RT5616_PWR_ANLG2,
0659                     RT5616_PWR_BST1_OP2, RT5616_PWR_BST1_OP2);
0660         break;
0661 
0662     case SND_SOC_DAPM_PRE_PMD:
0663         snd_soc_component_update_bits(component, RT5616_PWR_ANLG2,
0664                     RT5616_PWR_BST1_OP2, 0);
0665         break;
0666 
0667     default:
0668         return 0;
0669     }
0670 
0671     return 0;
0672 }
0673 
0674 static int rt5616_bst2_event(struct snd_soc_dapm_widget *w,
0675                  struct snd_kcontrol *kcontrol, int event)
0676 {
0677     struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
0678 
0679     switch (event) {
0680     case SND_SOC_DAPM_POST_PMU:
0681         snd_soc_component_update_bits(component, RT5616_PWR_ANLG2,
0682                     RT5616_PWR_BST2_OP2, RT5616_PWR_BST2_OP2);
0683         break;
0684 
0685     case SND_SOC_DAPM_PRE_PMD:
0686         snd_soc_component_update_bits(component, RT5616_PWR_ANLG2,
0687                     RT5616_PWR_BST2_OP2, 0);
0688         break;
0689 
0690     default:
0691         return 0;
0692     }
0693 
0694     return 0;
0695 }
0696 
0697 static const struct snd_soc_dapm_widget rt5616_dapm_widgets[] = {
0698     SND_SOC_DAPM_SUPPLY("PLL1", RT5616_PWR_ANLG2,
0699                 RT5616_PWR_PLL_BIT, 0, NULL, 0),
0700     /* Input Side */
0701     /* micbias */
0702     SND_SOC_DAPM_SUPPLY("LDO", RT5616_PWR_ANLG1,
0703                 RT5616_PWR_LDO_BIT, 0, NULL, 0),
0704     SND_SOC_DAPM_SUPPLY("micbias1", RT5616_PWR_ANLG2,
0705                 RT5616_PWR_MB1_BIT, 0, NULL, 0),
0706 
0707     /* Input Lines */
0708     SND_SOC_DAPM_INPUT("MIC1"),
0709     SND_SOC_DAPM_INPUT("MIC2"),
0710 
0711     SND_SOC_DAPM_INPUT("IN1P"),
0712     SND_SOC_DAPM_INPUT("IN2P"),
0713     SND_SOC_DAPM_INPUT("IN2N"),
0714 
0715     /* Boost */
0716     SND_SOC_DAPM_PGA_E("BST1", RT5616_PWR_ANLG2,
0717                RT5616_PWR_BST1_BIT, 0, NULL, 0, rt5616_bst1_event,
0718                SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
0719     SND_SOC_DAPM_PGA_E("BST2", RT5616_PWR_ANLG2,
0720                RT5616_PWR_BST2_BIT, 0, NULL, 0, rt5616_bst2_event,
0721                SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
0722     /* Input Volume */
0723     SND_SOC_DAPM_PGA("INL1 VOL", RT5616_PWR_VOL,
0724              RT5616_PWR_IN1_L_BIT, 0, NULL, 0),
0725     SND_SOC_DAPM_PGA("INR1 VOL", RT5616_PWR_VOL,
0726              RT5616_PWR_IN1_R_BIT, 0, NULL, 0),
0727     SND_SOC_DAPM_PGA("INL2 VOL", RT5616_PWR_VOL,
0728              RT5616_PWR_IN2_L_BIT, 0, NULL, 0),
0729     SND_SOC_DAPM_PGA("INR2 VOL", RT5616_PWR_VOL,
0730              RT5616_PWR_IN2_R_BIT, 0, NULL, 0),
0731 
0732     /* REC Mixer */
0733     SND_SOC_DAPM_MIXER("RECMIXL", RT5616_PWR_MIXER, RT5616_PWR_RM_L_BIT, 0,
0734                rt5616_rec_l_mix, ARRAY_SIZE(rt5616_rec_l_mix)),
0735     SND_SOC_DAPM_MIXER("RECMIXR", RT5616_PWR_MIXER, RT5616_PWR_RM_R_BIT, 0,
0736                rt5616_rec_r_mix, ARRAY_SIZE(rt5616_rec_r_mix)),
0737     /* ADCs */
0738     SND_SOC_DAPM_ADC_E("ADC L", NULL, RT5616_PWR_DIG1,
0739                RT5616_PWR_ADC_L_BIT, 0, rt5616_adc_event,
0740                SND_SOC_DAPM_POST_PMD | SND_SOC_DAPM_POST_PMU),
0741     SND_SOC_DAPM_ADC_E("ADC R", NULL, RT5616_PWR_DIG1,
0742                RT5616_PWR_ADC_R_BIT, 0, rt5616_adc_event,
0743                SND_SOC_DAPM_POST_PMD | SND_SOC_DAPM_POST_PMU),
0744 
0745     /* ADC Mixer */
0746     SND_SOC_DAPM_SUPPLY("stereo1 filter", RT5616_PWR_DIG2,
0747                 RT5616_PWR_ADC_STO1_F_BIT, 0, NULL, 0),
0748     SND_SOC_DAPM_MIXER("Stereo1 ADC MIXL", SND_SOC_NOPM, 0, 0,
0749                rt5616_sto1_adc_l_mix,
0750                ARRAY_SIZE(rt5616_sto1_adc_l_mix)),
0751     SND_SOC_DAPM_MIXER("Stereo1 ADC MIXR", SND_SOC_NOPM, 0, 0,
0752                rt5616_sto1_adc_r_mix,
0753                ARRAY_SIZE(rt5616_sto1_adc_r_mix)),
0754 
0755     /* Digital Interface */
0756     SND_SOC_DAPM_SUPPLY("I2S1", RT5616_PWR_DIG1,
0757                 RT5616_PWR_I2S1_BIT, 0, NULL, 0),
0758     SND_SOC_DAPM_PGA("IF1 DAC", SND_SOC_NOPM, 0, 0, NULL, 0),
0759     SND_SOC_DAPM_PGA("IF1 DAC1 L", SND_SOC_NOPM, 0, 0, NULL, 0),
0760     SND_SOC_DAPM_PGA("IF1 DAC1 R", SND_SOC_NOPM, 0, 0, NULL, 0),
0761     SND_SOC_DAPM_PGA("IF1 ADC1", SND_SOC_NOPM, 0, 0, NULL, 0),
0762 
0763     /* Digital Interface Select */
0764 
0765     /* Audio Interface */
0766     SND_SOC_DAPM_AIF_IN("AIF1RX", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0),
0767     SND_SOC_DAPM_AIF_OUT("AIF1TX", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0),
0768 
0769     /* Audio DSP */
0770     SND_SOC_DAPM_PGA("Audio DSP", SND_SOC_NOPM, 0, 0, NULL, 0),
0771 
0772     /* Output Side */
0773     /* DAC mixer before sound effect  */
0774     SND_SOC_DAPM_MIXER("DAC MIXL", SND_SOC_NOPM, 0, 0,
0775                rt5616_dac_l_mix, ARRAY_SIZE(rt5616_dac_l_mix)),
0776     SND_SOC_DAPM_MIXER("DAC MIXR", SND_SOC_NOPM, 0, 0,
0777                rt5616_dac_r_mix, ARRAY_SIZE(rt5616_dac_r_mix)),
0778 
0779     SND_SOC_DAPM_SUPPLY("Stero1 DAC Power", RT5616_PWR_DIG2,
0780                 RT5616_PWR_DAC_STO1_F_BIT, 0, NULL, 0),
0781 
0782     /* DAC Mixer */
0783     SND_SOC_DAPM_MIXER("Stereo DAC MIXL", SND_SOC_NOPM, 0, 0,
0784                rt5616_sto_dac_l_mix,
0785                ARRAY_SIZE(rt5616_sto_dac_l_mix)),
0786     SND_SOC_DAPM_MIXER("Stereo DAC MIXR", SND_SOC_NOPM, 0, 0,
0787                rt5616_sto_dac_r_mix,
0788                ARRAY_SIZE(rt5616_sto_dac_r_mix)),
0789 
0790     /* DACs */
0791     SND_SOC_DAPM_DAC("DAC L1", NULL, RT5616_PWR_DIG1,
0792              RT5616_PWR_DAC_L1_BIT, 0),
0793     SND_SOC_DAPM_DAC("DAC R1", NULL, RT5616_PWR_DIG1,
0794              RT5616_PWR_DAC_R1_BIT, 0),
0795     /* OUT Mixer */
0796     SND_SOC_DAPM_MIXER("OUT MIXL", RT5616_PWR_MIXER, RT5616_PWR_OM_L_BIT,
0797                0, rt5616_out_l_mix, ARRAY_SIZE(rt5616_out_l_mix)),
0798     SND_SOC_DAPM_MIXER("OUT MIXR", RT5616_PWR_MIXER, RT5616_PWR_OM_R_BIT,
0799                0, rt5616_out_r_mix, ARRAY_SIZE(rt5616_out_r_mix)),
0800     /* Output Volume */
0801     SND_SOC_DAPM_PGA("OUTVOL L", RT5616_PWR_VOL,
0802              RT5616_PWR_OV_L_BIT, 0, NULL, 0),
0803     SND_SOC_DAPM_PGA("OUTVOL R", RT5616_PWR_VOL,
0804              RT5616_PWR_OV_R_BIT, 0, NULL, 0),
0805     SND_SOC_DAPM_PGA("HPOVOL L", RT5616_PWR_VOL,
0806              RT5616_PWR_HV_L_BIT, 0, NULL, 0),
0807     SND_SOC_DAPM_PGA("HPOVOL R", RT5616_PWR_VOL,
0808              RT5616_PWR_HV_R_BIT, 0, NULL, 0),
0809     SND_SOC_DAPM_PGA("DAC 1", SND_SOC_NOPM,
0810              0, 0, NULL, 0),
0811     SND_SOC_DAPM_PGA("DAC 2", SND_SOC_NOPM,
0812              0, 0, NULL, 0),
0813     SND_SOC_DAPM_PGA("HPOVOL", SND_SOC_NOPM,
0814              0, 0, NULL, 0),
0815     SND_SOC_DAPM_PGA("INL1", RT5616_PWR_VOL,
0816              RT5616_PWR_IN1_L_BIT, 0, NULL, 0),
0817     SND_SOC_DAPM_PGA("INR1", RT5616_PWR_VOL,
0818              RT5616_PWR_IN1_R_BIT, 0, NULL, 0),
0819     SND_SOC_DAPM_PGA("INL2", RT5616_PWR_VOL,
0820              RT5616_PWR_IN2_L_BIT, 0, NULL, 0),
0821     SND_SOC_DAPM_PGA("INR2", RT5616_PWR_VOL,
0822              RT5616_PWR_IN2_R_BIT, 0, NULL, 0),
0823     /* HPO/LOUT/Mono Mixer */
0824     SND_SOC_DAPM_MIXER("HPO MIX", SND_SOC_NOPM, 0, 0,
0825                rt5616_hpo_mix, ARRAY_SIZE(rt5616_hpo_mix)),
0826     SND_SOC_DAPM_MIXER("LOUT MIX", SND_SOC_NOPM, 0, 0,
0827                rt5616_lout_mix, ARRAY_SIZE(rt5616_lout_mix)),
0828 
0829     SND_SOC_DAPM_PGA_S("HP amp", 1, SND_SOC_NOPM, 0, 0,
0830                rt5616_hp_event, SND_SOC_DAPM_PRE_PMD |
0831                SND_SOC_DAPM_POST_PMU),
0832     SND_SOC_DAPM_PGA_S("LOUT amp", 1, SND_SOC_NOPM, 0, 0,
0833                rt5616_lout_event, SND_SOC_DAPM_PRE_PMD |
0834                SND_SOC_DAPM_POST_PMU),
0835 
0836     SND_SOC_DAPM_SUPPLY_S("Charge Pump", 1, SND_SOC_NOPM, 0, 0,
0837                   rt5616_charge_pump_event, SND_SOC_DAPM_POST_PMU |
0838                   SND_SOC_DAPM_PRE_PMD),
0839 
0840     /* Output Lines */
0841     SND_SOC_DAPM_OUTPUT("HPOL"),
0842     SND_SOC_DAPM_OUTPUT("HPOR"),
0843     SND_SOC_DAPM_OUTPUT("LOUTL"),
0844     SND_SOC_DAPM_OUTPUT("LOUTR"),
0845 };
0846 
0847 static const struct snd_soc_dapm_route rt5616_dapm_routes[] = {
0848     {"IN1P", NULL, "LDO"},
0849     {"IN2P", NULL, "LDO"},
0850 
0851     {"IN1P", NULL, "MIC1"},
0852     {"IN2P", NULL, "MIC2"},
0853     {"IN2N", NULL, "MIC2"},
0854 
0855     {"BST1", NULL, "IN1P"},
0856     {"BST2", NULL, "IN2P"},
0857     {"BST2", NULL, "IN2N"},
0858     {"BST1", NULL, "micbias1"},
0859     {"BST2", NULL, "micbias1"},
0860 
0861     {"INL1 VOL", NULL, "IN2P"},
0862     {"INR1 VOL", NULL, "IN2N"},
0863 
0864     {"RECMIXL", "INL1 Switch", "INL1 VOL"},
0865     {"RECMIXL", "BST2 Switch", "BST2"},
0866     {"RECMIXL", "BST1 Switch", "BST1"},
0867 
0868     {"RECMIXR", "INR1 Switch", "INR1 VOL"},
0869     {"RECMIXR", "BST2 Switch", "BST2"},
0870     {"RECMIXR", "BST1 Switch", "BST1"},
0871 
0872     {"ADC L", NULL, "RECMIXL"},
0873     {"ADC R", NULL, "RECMIXR"},
0874 
0875     {"Stereo1 ADC MIXL", "ADC1 Switch", "ADC L"},
0876     {"Stereo1 ADC MIXL", NULL, "stereo1 filter"},
0877     {"stereo1 filter", NULL, "PLL1", is_sys_clk_from_pll},
0878 
0879     {"Stereo1 ADC MIXR", "ADC1 Switch", "ADC R"},
0880     {"Stereo1 ADC MIXR", NULL, "stereo1 filter"},
0881     {"stereo1 filter", NULL, "PLL1", is_sys_clk_from_pll},
0882 
0883     {"IF1 ADC1", NULL, "Stereo1 ADC MIXL"},
0884     {"IF1 ADC1", NULL, "Stereo1 ADC MIXR"},
0885     {"IF1 ADC1", NULL, "I2S1"},
0886 
0887     {"AIF1TX", NULL, "IF1 ADC1"},
0888 
0889     {"IF1 DAC", NULL, "AIF1RX"},
0890     {"IF1 DAC", NULL, "I2S1"},
0891 
0892     {"IF1 DAC1 L", NULL, "IF1 DAC"},
0893     {"IF1 DAC1 R", NULL, "IF1 DAC"},
0894 
0895     {"DAC MIXL", "Stereo ADC Switch", "Stereo1 ADC MIXL"},
0896     {"DAC MIXL", "INF1 Switch", "IF1 DAC1 L"},
0897     {"DAC MIXR", "Stereo ADC Switch", "Stereo1 ADC MIXR"},
0898     {"DAC MIXR", "INF1 Switch", "IF1 DAC1 R"},
0899 
0900     {"Audio DSP", NULL, "DAC MIXL"},
0901     {"Audio DSP", NULL, "DAC MIXR"},
0902 
0903     {"Stereo DAC MIXL", "DAC L1 Switch", "Audio DSP"},
0904     {"Stereo DAC MIXL", "DAC R1 Switch", "DAC MIXR"},
0905     {"Stereo DAC MIXL", NULL, "Stero1 DAC Power"},
0906     {"Stereo DAC MIXR", "DAC R1 Switch", "Audio DSP"},
0907     {"Stereo DAC MIXR", "DAC L1 Switch", "DAC MIXL"},
0908     {"Stereo DAC MIXR", NULL, "Stero1 DAC Power"},
0909 
0910     {"DAC L1", NULL, "Stereo DAC MIXL"},
0911     {"DAC L1", NULL, "PLL1", is_sys_clk_from_pll},
0912     {"DAC R1", NULL, "Stereo DAC MIXR"},
0913     {"DAC R1", NULL, "PLL1", is_sys_clk_from_pll},
0914 
0915     {"OUT MIXL", "BST1 Switch", "BST1"},
0916     {"OUT MIXL", "BST2 Switch", "BST2"},
0917     {"OUT MIXL", "INL1 Switch", "INL1 VOL"},
0918     {"OUT MIXL", "REC MIXL Switch", "RECMIXL"},
0919     {"OUT MIXL", "DAC L1 Switch", "DAC L1"},
0920 
0921     {"OUT MIXR", "BST2 Switch", "BST2"},
0922     {"OUT MIXR", "BST1 Switch", "BST1"},
0923     {"OUT MIXR", "INR1 Switch", "INR1 VOL"},
0924     {"OUT MIXR", "REC MIXR Switch", "RECMIXR"},
0925     {"OUT MIXR", "DAC R1 Switch", "DAC R1"},
0926 
0927     {"HPOVOL L", NULL, "OUT MIXL"},
0928     {"HPOVOL R", NULL, "OUT MIXR"},
0929     {"OUTVOL L", NULL, "OUT MIXL"},
0930     {"OUTVOL R", NULL, "OUT MIXR"},
0931 
0932     {"DAC 1", NULL, "DAC L1"},
0933     {"DAC 1", NULL, "DAC R1"},
0934     {"HPOVOL", NULL, "HPOVOL L"},
0935     {"HPOVOL", NULL, "HPOVOL R"},
0936     {"HPO MIX", "DAC1 Switch", "DAC 1"},
0937     {"HPO MIX", "HPVOL Switch", "HPOVOL"},
0938 
0939     {"LOUT MIX", "DAC L1 Switch", "DAC L1"},
0940     {"LOUT MIX", "DAC R1 Switch", "DAC R1"},
0941     {"LOUT MIX", "OUTVOL L Switch", "OUTVOL L"},
0942     {"LOUT MIX", "OUTVOL R Switch", "OUTVOL R"},
0943 
0944     {"HP amp", NULL, "HPO MIX"},
0945     {"HP amp", NULL, "Charge Pump"},
0946     {"HPOL", NULL, "HP amp"},
0947     {"HPOR", NULL, "HP amp"},
0948 
0949     {"LOUT amp", NULL, "LOUT MIX"},
0950     {"LOUT amp", NULL, "Charge Pump"},
0951     {"LOUTL", NULL, "LOUT amp"},
0952     {"LOUTR", NULL, "LOUT amp"},
0953 
0954 };
0955 
0956 static int rt5616_hw_params(struct snd_pcm_substream *substream,
0957                 struct snd_pcm_hw_params *params,
0958                 struct snd_soc_dai *dai)
0959 {
0960     struct snd_soc_component *component = dai->component;
0961     struct rt5616_priv *rt5616 = snd_soc_component_get_drvdata(component);
0962     unsigned int val_len = 0, val_clk, mask_clk;
0963     int pre_div, bclk_ms, frame_size;
0964 
0965     rt5616->lrck[dai->id] = params_rate(params);
0966 
0967     pre_div = rl6231_get_clk_info(rt5616->sysclk, rt5616->lrck[dai->id]);
0968 
0969     if (pre_div < 0) {
0970         dev_err(component->dev, "Unsupported clock setting\n");
0971         return -EINVAL;
0972     }
0973     frame_size = snd_soc_params_to_frame_size(params);
0974     if (frame_size < 0) {
0975         dev_err(component->dev, "Unsupported frame size: %d\n", frame_size);
0976         return -EINVAL;
0977     }
0978     bclk_ms = frame_size > 32 ? 1 : 0;
0979     rt5616->bclk[dai->id] = rt5616->lrck[dai->id] * (32 << bclk_ms);
0980 
0981     dev_dbg(dai->dev, "bclk is %dHz and lrck is %dHz\n",
0982         rt5616->bclk[dai->id], rt5616->lrck[dai->id]);
0983     dev_dbg(dai->dev, "bclk_ms is %d and pre_div is %d for iis %d\n",
0984         bclk_ms, pre_div, dai->id);
0985 
0986     switch (params_format(params)) {
0987     case SNDRV_PCM_FORMAT_S16_LE:
0988         break;
0989     case SNDRV_PCM_FORMAT_S20_3LE:
0990         val_len |= RT5616_I2S_DL_20;
0991         break;
0992     case SNDRV_PCM_FORMAT_S24_LE:
0993         val_len |= RT5616_I2S_DL_24;
0994         break;
0995     case SNDRV_PCM_FORMAT_S8:
0996         val_len |= RT5616_I2S_DL_8;
0997         break;
0998     default:
0999         return -EINVAL;
1000     }
1001 
1002     mask_clk = RT5616_I2S_PD1_MASK;
1003     val_clk = pre_div << RT5616_I2S_PD1_SFT;
1004     snd_soc_component_update_bits(component, RT5616_I2S1_SDP,
1005                 RT5616_I2S_DL_MASK, val_len);
1006     snd_soc_component_update_bits(component, RT5616_ADDA_CLK1, mask_clk, val_clk);
1007 
1008     return 0;
1009 }
1010 
1011 static int rt5616_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
1012 {
1013     struct snd_soc_component *component = dai->component;
1014     struct rt5616_priv *rt5616 = snd_soc_component_get_drvdata(component);
1015     unsigned int reg_val = 0;
1016 
1017     switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1018     case SND_SOC_DAIFMT_CBM_CFM:
1019         rt5616->master[dai->id] = 1;
1020         break;
1021     case SND_SOC_DAIFMT_CBS_CFS:
1022         reg_val |= RT5616_I2S_MS_S;
1023         rt5616->master[dai->id] = 0;
1024         break;
1025     default:
1026         return -EINVAL;
1027     }
1028 
1029     switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1030     case SND_SOC_DAIFMT_NB_NF:
1031         break;
1032     case SND_SOC_DAIFMT_IB_NF:
1033         reg_val |= RT5616_I2S_BP_INV;
1034         break;
1035     default:
1036         return -EINVAL;
1037     }
1038 
1039     switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1040     case SND_SOC_DAIFMT_I2S:
1041         break;
1042     case SND_SOC_DAIFMT_LEFT_J:
1043         reg_val |= RT5616_I2S_DF_LEFT;
1044         break;
1045     case SND_SOC_DAIFMT_DSP_A:
1046         reg_val |= RT5616_I2S_DF_PCM_A;
1047         break;
1048     case SND_SOC_DAIFMT_DSP_B:
1049         reg_val |= RT5616_I2S_DF_PCM_B;
1050         break;
1051     default:
1052         return -EINVAL;
1053     }
1054 
1055     snd_soc_component_update_bits(component, RT5616_I2S1_SDP,
1056                 RT5616_I2S_MS_MASK | RT5616_I2S_BP_MASK |
1057                 RT5616_I2S_DF_MASK, reg_val);
1058 
1059     return 0;
1060 }
1061 
1062 static int rt5616_set_dai_sysclk(struct snd_soc_dai *dai,
1063                  int clk_id, unsigned int freq, int dir)
1064 {
1065     struct snd_soc_component *component = dai->component;
1066     struct rt5616_priv *rt5616 = snd_soc_component_get_drvdata(component);
1067     unsigned int reg_val = 0;
1068 
1069     if (freq == rt5616->sysclk && clk_id == rt5616->sysclk_src)
1070         return 0;
1071 
1072     switch (clk_id) {
1073     case RT5616_SCLK_S_MCLK:
1074         reg_val |= RT5616_SCLK_SRC_MCLK;
1075         break;
1076     case RT5616_SCLK_S_PLL1:
1077         reg_val |= RT5616_SCLK_SRC_PLL1;
1078         break;
1079     default:
1080         dev_err(component->dev, "Invalid clock id (%d)\n", clk_id);
1081         return -EINVAL;
1082     }
1083 
1084     snd_soc_component_update_bits(component, RT5616_GLB_CLK,
1085                 RT5616_SCLK_SRC_MASK, reg_val);
1086     rt5616->sysclk = freq;
1087     rt5616->sysclk_src = clk_id;
1088 
1089     dev_dbg(dai->dev, "Sysclk is %dHz and clock id is %d\n", freq, clk_id);
1090 
1091     return 0;
1092 }
1093 
1094 static int rt5616_set_dai_pll(struct snd_soc_dai *dai, int pll_id, int source,
1095                   unsigned int freq_in, unsigned int freq_out)
1096 {
1097     struct snd_soc_component *component = dai->component;
1098     struct rt5616_priv *rt5616 = snd_soc_component_get_drvdata(component);
1099     struct rl6231_pll_code pll_code;
1100     int ret;
1101 
1102     if (source == rt5616->pll_src && freq_in == rt5616->pll_in &&
1103         freq_out == rt5616->pll_out)
1104         return 0;
1105 
1106     if (!freq_in || !freq_out) {
1107         dev_dbg(component->dev, "PLL disabled\n");
1108 
1109         rt5616->pll_in = 0;
1110         rt5616->pll_out = 0;
1111         snd_soc_component_update_bits(component, RT5616_GLB_CLK,
1112                     RT5616_SCLK_SRC_MASK,
1113                     RT5616_SCLK_SRC_MCLK);
1114         return 0;
1115     }
1116 
1117     switch (source) {
1118     case RT5616_PLL1_S_MCLK:
1119         snd_soc_component_update_bits(component, RT5616_GLB_CLK,
1120                     RT5616_PLL1_SRC_MASK,
1121                     RT5616_PLL1_SRC_MCLK);
1122         break;
1123     case RT5616_PLL1_S_BCLK1:
1124     case RT5616_PLL1_S_BCLK2:
1125         snd_soc_component_update_bits(component, RT5616_GLB_CLK,
1126                     RT5616_PLL1_SRC_MASK,
1127                     RT5616_PLL1_SRC_BCLK1);
1128         break;
1129     default:
1130         dev_err(component->dev, "Unknown PLL source %d\n", source);
1131         return -EINVAL;
1132     }
1133 
1134     ret = rl6231_pll_calc(freq_in, freq_out, &pll_code);
1135     if (ret < 0) {
1136         dev_err(component->dev, "Unsupported input clock %d\n", freq_in);
1137         return ret;
1138     }
1139 
1140     dev_dbg(component->dev, "bypass=%d m=%d n=%d k=%d\n",
1141         pll_code.m_bp, (pll_code.m_bp ? 0 : pll_code.m_code),
1142         pll_code.n_code, pll_code.k_code);
1143 
1144     snd_soc_component_write(component, RT5616_PLL_CTRL1,
1145               pll_code.n_code << RT5616_PLL_N_SFT | pll_code.k_code);
1146     snd_soc_component_write(component, RT5616_PLL_CTRL2,
1147               (pll_code.m_bp ? 0 : pll_code.m_code) <<
1148               RT5616_PLL_M_SFT |
1149               pll_code.m_bp << RT5616_PLL_M_BP_SFT);
1150 
1151     rt5616->pll_in = freq_in;
1152     rt5616->pll_out = freq_out;
1153     rt5616->pll_src = source;
1154 
1155     return 0;
1156 }
1157 
1158 static int rt5616_set_bias_level(struct snd_soc_component *component,
1159                  enum snd_soc_bias_level level)
1160 {
1161     struct rt5616_priv *rt5616 = snd_soc_component_get_drvdata(component);
1162     int ret;
1163 
1164     switch (level) {
1165 
1166     case SND_SOC_BIAS_ON:
1167         break;
1168 
1169     case SND_SOC_BIAS_PREPARE:
1170         /*
1171          * SND_SOC_BIAS_PREPARE is called while preparing for a
1172          * transition to ON or away from ON. If current bias_level
1173          * is SND_SOC_BIAS_ON, then it is preparing for a transition
1174          * away from ON. Disable the clock in that case, otherwise
1175          * enable it.
1176          */
1177         if (IS_ERR(rt5616->mclk))
1178             break;
1179 
1180         if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_ON) {
1181             clk_disable_unprepare(rt5616->mclk);
1182         } else {
1183             ret = clk_prepare_enable(rt5616->mclk);
1184             if (ret)
1185                 return ret;
1186         }
1187         break;
1188 
1189     case SND_SOC_BIAS_STANDBY:
1190         if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
1191             snd_soc_component_update_bits(component, RT5616_PWR_ANLG1,
1192                         RT5616_PWR_VREF1 | RT5616_PWR_MB |
1193                         RT5616_PWR_BG | RT5616_PWR_VREF2,
1194                         RT5616_PWR_VREF1 | RT5616_PWR_MB |
1195                         RT5616_PWR_BG | RT5616_PWR_VREF2);
1196             mdelay(10);
1197             snd_soc_component_update_bits(component, RT5616_PWR_ANLG1,
1198                         RT5616_PWR_FV1 | RT5616_PWR_FV2,
1199                         RT5616_PWR_FV1 | RT5616_PWR_FV2);
1200             snd_soc_component_update_bits(component, RT5616_D_MISC,
1201                         RT5616_D_GATE_EN,
1202                         RT5616_D_GATE_EN);
1203         }
1204         break;
1205 
1206     case SND_SOC_BIAS_OFF:
1207         snd_soc_component_update_bits(component, RT5616_D_MISC, RT5616_D_GATE_EN, 0);
1208         snd_soc_component_write(component, RT5616_PWR_DIG1, 0x0000);
1209         snd_soc_component_write(component, RT5616_PWR_DIG2, 0x0000);
1210         snd_soc_component_write(component, RT5616_PWR_VOL, 0x0000);
1211         snd_soc_component_write(component, RT5616_PWR_MIXER, 0x0000);
1212         snd_soc_component_write(component, RT5616_PWR_ANLG1, 0x0000);
1213         snd_soc_component_write(component, RT5616_PWR_ANLG2, 0x0000);
1214         break;
1215 
1216     default:
1217         break;
1218     }
1219 
1220     return 0;
1221 }
1222 
1223 static int rt5616_probe(struct snd_soc_component *component)
1224 {
1225     struct rt5616_priv *rt5616 = snd_soc_component_get_drvdata(component);
1226 
1227     /* Check if MCLK provided */
1228     rt5616->mclk = devm_clk_get(component->dev, "mclk");
1229     if (PTR_ERR(rt5616->mclk) == -EPROBE_DEFER)
1230         return -EPROBE_DEFER;
1231 
1232     rt5616->component = component;
1233 
1234     return 0;
1235 }
1236 
1237 #ifdef CONFIG_PM
1238 static int rt5616_suspend(struct snd_soc_component *component)
1239 {
1240     struct rt5616_priv *rt5616 = snd_soc_component_get_drvdata(component);
1241 
1242     regcache_cache_only(rt5616->regmap, true);
1243     regcache_mark_dirty(rt5616->regmap);
1244 
1245     return 0;
1246 }
1247 
1248 static int rt5616_resume(struct snd_soc_component *component)
1249 {
1250     struct rt5616_priv *rt5616 = snd_soc_component_get_drvdata(component);
1251 
1252     regcache_cache_only(rt5616->regmap, false);
1253     regcache_sync(rt5616->regmap);
1254     return 0;
1255 }
1256 #else
1257 #define rt5616_suspend NULL
1258 #define rt5616_resume NULL
1259 #endif
1260 
1261 #define RT5616_STEREO_RATES SNDRV_PCM_RATE_8000_192000
1262 #define RT5616_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
1263             SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
1264 
1265 static const struct snd_soc_dai_ops rt5616_aif_dai_ops = {
1266     .hw_params = rt5616_hw_params,
1267     .set_fmt = rt5616_set_dai_fmt,
1268     .set_sysclk = rt5616_set_dai_sysclk,
1269     .set_pll = rt5616_set_dai_pll,
1270 };
1271 
1272 static struct snd_soc_dai_driver rt5616_dai[] = {
1273     {
1274         .name = "rt5616-aif1",
1275         .id = RT5616_AIF1,
1276         .playback = {
1277             .stream_name = "AIF1 Playback",
1278             .channels_min = 1,
1279             .channels_max = 2,
1280             .rates = RT5616_STEREO_RATES,
1281             .formats = RT5616_FORMATS,
1282         },
1283         .capture = {
1284             .stream_name = "AIF1 Capture",
1285             .channels_min = 1,
1286             .channels_max = 2,
1287             .rates = RT5616_STEREO_RATES,
1288             .formats = RT5616_FORMATS,
1289         },
1290         .ops = &rt5616_aif_dai_ops,
1291     },
1292 };
1293 
1294 static const struct snd_soc_component_driver soc_component_dev_rt5616 = {
1295     .probe          = rt5616_probe,
1296     .suspend        = rt5616_suspend,
1297     .resume         = rt5616_resume,
1298     .set_bias_level     = rt5616_set_bias_level,
1299     .controls       = rt5616_snd_controls,
1300     .num_controls       = ARRAY_SIZE(rt5616_snd_controls),
1301     .dapm_widgets       = rt5616_dapm_widgets,
1302     .num_dapm_widgets   = ARRAY_SIZE(rt5616_dapm_widgets),
1303     .dapm_routes        = rt5616_dapm_routes,
1304     .num_dapm_routes    = ARRAY_SIZE(rt5616_dapm_routes),
1305     .use_pmdown_time    = 1,
1306     .endianness     = 1,
1307 };
1308 
1309 static const struct regmap_config rt5616_regmap = {
1310     .reg_bits = 8,
1311     .val_bits = 16,
1312     .use_single_read = true,
1313     .use_single_write = true,
1314     .max_register = RT5616_DEVICE_ID + 1 + (ARRAY_SIZE(rt5616_ranges) *
1315                            RT5616_PR_SPACING),
1316     .volatile_reg = rt5616_volatile_register,
1317     .readable_reg = rt5616_readable_register,
1318     .cache_type = REGCACHE_RBTREE,
1319     .reg_defaults = rt5616_reg,
1320     .num_reg_defaults = ARRAY_SIZE(rt5616_reg),
1321     .ranges = rt5616_ranges,
1322     .num_ranges = ARRAY_SIZE(rt5616_ranges),
1323 };
1324 
1325 static const struct i2c_device_id rt5616_i2c_id[] = {
1326     { "rt5616", 0 },
1327     { }
1328 };
1329 MODULE_DEVICE_TABLE(i2c, rt5616_i2c_id);
1330 
1331 #if defined(CONFIG_OF)
1332 static const struct of_device_id rt5616_of_match[] = {
1333     { .compatible = "realtek,rt5616", },
1334     {},
1335 };
1336 MODULE_DEVICE_TABLE(of, rt5616_of_match);
1337 #endif
1338 
1339 static int rt5616_i2c_probe(struct i2c_client *i2c)
1340 {
1341     struct rt5616_priv *rt5616;
1342     unsigned int val;
1343     int ret;
1344 
1345     rt5616 = devm_kzalloc(&i2c->dev, sizeof(struct rt5616_priv),
1346                   GFP_KERNEL);
1347     if (!rt5616)
1348         return -ENOMEM;
1349 
1350     i2c_set_clientdata(i2c, rt5616);
1351 
1352     rt5616->regmap = devm_regmap_init_i2c(i2c, &rt5616_regmap);
1353     if (IS_ERR(rt5616->regmap)) {
1354         ret = PTR_ERR(rt5616->regmap);
1355         dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1356             ret);
1357         return ret;
1358     }
1359 
1360     regmap_read(rt5616->regmap, RT5616_DEVICE_ID, &val);
1361     if (val != 0x6281) {
1362         dev_err(&i2c->dev,
1363             "Device with ID register %#x is not rt5616\n",
1364             val);
1365         return -ENODEV;
1366     }
1367     regmap_write(rt5616->regmap, RT5616_RESET, 0);
1368     regmap_update_bits(rt5616->regmap, RT5616_PWR_ANLG1,
1369                RT5616_PWR_VREF1 | RT5616_PWR_MB |
1370                RT5616_PWR_BG | RT5616_PWR_VREF2,
1371                RT5616_PWR_VREF1 | RT5616_PWR_MB |
1372                RT5616_PWR_BG | RT5616_PWR_VREF2);
1373     mdelay(10);
1374     regmap_update_bits(rt5616->regmap, RT5616_PWR_ANLG1,
1375                RT5616_PWR_FV1 | RT5616_PWR_FV2,
1376                RT5616_PWR_FV1 | RT5616_PWR_FV2);
1377 
1378     ret = regmap_register_patch(rt5616->regmap, init_list,
1379                     ARRAY_SIZE(init_list));
1380     if (ret != 0)
1381         dev_warn(&i2c->dev, "Failed to apply regmap patch: %d\n", ret);
1382 
1383     regmap_update_bits(rt5616->regmap, RT5616_PWR_ANLG1,
1384                RT5616_PWR_LDO_DVO_MASK, RT5616_PWR_LDO_DVO_1_2V);
1385 
1386     return devm_snd_soc_register_component(&i2c->dev,
1387                       &soc_component_dev_rt5616,
1388                       rt5616_dai, ARRAY_SIZE(rt5616_dai));
1389 }
1390 
1391 static int rt5616_i2c_remove(struct i2c_client *i2c)
1392 {
1393     return 0;
1394 }
1395 
1396 static void rt5616_i2c_shutdown(struct i2c_client *client)
1397 {
1398     struct rt5616_priv *rt5616 = i2c_get_clientdata(client);
1399 
1400     regmap_write(rt5616->regmap, RT5616_HP_VOL, 0xc8c8);
1401     regmap_write(rt5616->regmap, RT5616_LOUT_CTRL1, 0xc8c8);
1402 }
1403 
1404 static struct i2c_driver rt5616_i2c_driver = {
1405     .driver = {
1406         .name = "rt5616",
1407         .of_match_table = of_match_ptr(rt5616_of_match),
1408     },
1409     .probe_new = rt5616_i2c_probe,
1410     .remove = rt5616_i2c_remove,
1411     .shutdown = rt5616_i2c_shutdown,
1412     .id_table = rt5616_i2c_id,
1413 };
1414 module_i2c_driver(rt5616_i2c_driver);
1415 
1416 MODULE_DESCRIPTION("ASoC RT5616 driver");
1417 MODULE_AUTHOR("Bard Liao <bardliao@realtek.com>");
1418 MODULE_LICENSE("GPL");
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