linux/sound/soc/amd/acp3x-rt5682-max9836.c
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   1// SPDX-License-Identifier: GPL-2.0+
   2//
   3// Machine driver for AMD ACP Audio engine using DA7219 & MAX98357 codec.
   4//
   5//Copyright 2016 Advanced Micro Devices, Inc.
   6
   7#include <sound/core.h>
   8#include <sound/soc.h>
   9#include <sound/pcm.h>
  10#include <sound/pcm_params.h>
  11#include <sound/soc-dapm.h>
  12#include <sound/jack.h>
  13#include <linux/clk.h>
  14#include <linux/gpio.h>
  15#include <linux/gpio/consumer.h>
  16#include <linux/module.h>
  17#include <linux/i2c.h>
  18#include <linux/input.h>
  19#include <linux/io.h>
  20#include <linux/acpi.h>
  21
  22#include "raven/acp3x.h"
  23#include "../codecs/rt5682.h"
  24#include "../codecs/rt1015.h"
  25
  26#define PCO_PLAT_CLK 48000000
  27#define RT5682_PLL_FREQ (48000 * 512)
  28#define DUAL_CHANNEL            2
  29
  30static struct snd_soc_jack pco_jack;
  31static struct clk *rt5682_dai_wclk;
  32static struct clk *rt5682_dai_bclk;
  33static struct gpio_desc *dmic_sel;
  34void *soc_is_rltk_max(struct device *dev);
  35
  36enum {
  37        RT5682 = 0,
  38        MAX,
  39        EC,
  40};
  41
  42static int acp3x_5682_init(struct snd_soc_pcm_runtime *rtd)
  43{
  44        int ret;
  45        struct snd_soc_card *card = rtd->card;
  46        struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
  47        struct snd_soc_component *component = codec_dai->component;
  48
  49        dev_info(rtd->dev, "codec dai name = %s\n", codec_dai->name);
  50
  51        /* set rt5682 dai fmt */
  52        ret =  snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S
  53                        | SND_SOC_DAIFMT_NB_NF
  54                        | SND_SOC_DAIFMT_CBM_CFM);
  55        if (ret < 0) {
  56                dev_err(rtd->card->dev,
  57                                "Failed to set rt5682 dai fmt: %d\n", ret);
  58                return ret;
  59        }
  60
  61        /* set codec PLL */
  62        ret = snd_soc_dai_set_pll(codec_dai, RT5682_PLL2, RT5682_PLL2_S_MCLK,
  63                                  PCO_PLAT_CLK, RT5682_PLL_FREQ);
  64        if (ret < 0) {
  65                dev_err(rtd->dev, "can't set rt5682 PLL: %d\n", ret);
  66                return ret;
  67        }
  68
  69        /* Set codec sysclk */
  70        ret = snd_soc_dai_set_sysclk(codec_dai, RT5682_SCLK_S_PLL2,
  71                        RT5682_PLL_FREQ, SND_SOC_CLOCK_IN);
  72        if (ret < 0) {
  73                dev_err(rtd->dev,
  74                        "Failed to set rt5682 SYSCLK: %d\n", ret);
  75                return ret;
  76        }
  77
  78        /* Set tdm/i2s1 master bclk ratio */
  79        ret = snd_soc_dai_set_bclk_ratio(codec_dai, 64);
  80        if (ret < 0) {
  81                dev_err(rtd->dev,
  82                        "Failed to set rt5682 tdm bclk ratio: %d\n", ret);
  83                return ret;
  84        }
  85
  86        rt5682_dai_wclk = clk_get(component->dev, "rt5682-dai-wclk");
  87        rt5682_dai_bclk = clk_get(component->dev, "rt5682-dai-bclk");
  88
  89        ret = snd_soc_card_jack_new(card, "Headset Jack",
  90                                SND_JACK_HEADSET | SND_JACK_LINEOUT |
  91                                SND_JACK_BTN_0 | SND_JACK_BTN_1 |
  92                                SND_JACK_BTN_2 | SND_JACK_BTN_3,
  93                                &pco_jack, NULL, 0);
  94        if (ret) {
  95                dev_err(card->dev, "HP jack creation failed %d\n", ret);
  96                return ret;
  97        }
  98
  99        snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
 100        snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
 101        snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
 102        snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
 103
 104        ret = snd_soc_component_set_jack(component, &pco_jack, NULL);
 105        if (ret) {
 106                dev_err(rtd->dev, "Headset Jack call-back failed: %d\n", ret);
 107                return ret;
 108        }
 109
 110        return ret;
 111}
 112
 113static int rt5682_clk_enable(struct snd_pcm_substream *substream)
 114{
 115        int ret = 0;
 116        struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 117
 118        /* RT5682 will support only 48K output with 48M mclk */
 119        clk_set_rate(rt5682_dai_wclk, 48000);
 120        clk_set_rate(rt5682_dai_bclk, 48000 * 64);
 121        ret = clk_prepare_enable(rt5682_dai_wclk);
 122        if (ret < 0) {
 123                dev_err(rtd->dev, "can't enable wclk %d\n", ret);
 124                return ret;
 125        }
 126
 127        return ret;
 128}
 129
 130static int acp3x_1015_hw_params(struct snd_pcm_substream *substream,
 131                                        struct snd_pcm_hw_params *params)
 132{
 133        struct snd_soc_pcm_runtime *rtd = substream->private_data;
 134        struct snd_soc_dai *codec_dai;
 135        int srate, i, ret;
 136
 137        ret = 0;
 138        srate = params_rate(params);
 139
 140        for_each_rtd_codec_dais(rtd, i, codec_dai) {
 141                if (strcmp(codec_dai->name, "rt1015-aif"))
 142                        continue;
 143
 144                ret = snd_soc_dai_set_pll(codec_dai, 0, RT1015_PLL_S_BCLK,
 145                                                64 * srate, 256 * srate);
 146                if (ret < 0)
 147                        return ret;
 148                ret = snd_soc_dai_set_sysclk(codec_dai, RT1015_SCLK_S_PLL,
 149                                        256 * srate, SND_SOC_CLOCK_IN);
 150                if (ret < 0)
 151                        return ret;
 152        }
 153        return ret;
 154}
 155
 156static void rt5682_clk_disable(void)
 157{
 158        clk_disable_unprepare(rt5682_dai_wclk);
 159}
 160
 161static const unsigned int channels[] = {
 162        DUAL_CHANNEL,
 163};
 164
 165static const unsigned int rates[] = {
 166        48000,
 167};
 168
 169static const struct snd_pcm_hw_constraint_list constraints_rates = {
 170        .count = ARRAY_SIZE(rates),
 171        .list  = rates,
 172        .mask = 0,
 173};
 174
 175static const struct snd_pcm_hw_constraint_list constraints_channels = {
 176        .count = ARRAY_SIZE(channels),
 177        .list = channels,
 178        .mask = 0,
 179};
 180
 181static int acp3x_5682_startup(struct snd_pcm_substream *substream)
 182{
 183        struct snd_pcm_runtime *runtime = substream->runtime;
 184        struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 185        struct snd_soc_card *card = rtd->card;
 186        struct acp3x_platform_info *machine = snd_soc_card_get_drvdata(card);
 187
 188        machine->play_i2s_instance = I2S_SP_INSTANCE;
 189        machine->cap_i2s_instance = I2S_SP_INSTANCE;
 190
 191        runtime->hw.channels_max = DUAL_CHANNEL;
 192        snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 193                                   &constraints_channels);
 194        snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 195                                   &constraints_rates);
 196        return rt5682_clk_enable(substream);
 197}
 198
 199static int acp3x_max_startup(struct snd_pcm_substream *substream)
 200{
 201        struct snd_pcm_runtime *runtime = substream->runtime;
 202        struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 203        struct snd_soc_card *card = rtd->card;
 204        struct acp3x_platform_info *machine = snd_soc_card_get_drvdata(card);
 205
 206        machine->play_i2s_instance = I2S_BT_INSTANCE;
 207
 208        runtime->hw.channels_max = DUAL_CHANNEL;
 209        snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 210                                   &constraints_channels);
 211        snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 212                                   &constraints_rates);
 213        return rt5682_clk_enable(substream);
 214}
 215
 216static int acp3x_ec_dmic0_startup(struct snd_pcm_substream *substream)
 217{
 218        struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 219        struct snd_soc_card *card = rtd->card;
 220        struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
 221        struct acp3x_platform_info *machine = snd_soc_card_get_drvdata(card);
 222
 223        machine->cap_i2s_instance = I2S_BT_INSTANCE;
 224        snd_soc_dai_set_bclk_ratio(codec_dai, 64);
 225
 226        return rt5682_clk_enable(substream);
 227}
 228
 229static int dmic_switch;
 230
 231static int dmic_get(struct snd_kcontrol *kcontrol,
 232                         struct snd_ctl_elem_value *ucontrol)
 233{
 234        ucontrol->value.integer.value[0] = dmic_switch;
 235        return 0;
 236}
 237
 238static int dmic_set(struct snd_kcontrol *kcontrol,
 239                         struct snd_ctl_elem_value *ucontrol)
 240{
 241        if (dmic_sel) {
 242                dmic_switch = ucontrol->value.integer.value[0];
 243                gpiod_set_value(dmic_sel, dmic_switch);
 244        }
 245        return 0;
 246}
 247
 248static void rt5682_shutdown(struct snd_pcm_substream *substream)
 249{
 250        rt5682_clk_disable();
 251}
 252
 253static const struct snd_soc_ops acp3x_5682_ops = {
 254        .startup = acp3x_5682_startup,
 255        .shutdown = rt5682_shutdown,
 256};
 257
 258static const struct snd_soc_ops acp3x_max_play_ops = {
 259        .startup = acp3x_max_startup,
 260        .shutdown = rt5682_shutdown,
 261        .hw_params = acp3x_1015_hw_params,
 262};
 263
 264static const struct snd_soc_ops acp3x_ec_cap0_ops = {
 265        .startup = acp3x_ec_dmic0_startup,
 266        .shutdown = rt5682_shutdown,
 267};
 268
 269SND_SOC_DAILINK_DEF(acp3x_i2s,
 270        DAILINK_COMP_ARRAY(COMP_CPU("acp3x_i2s_playcap.0")));
 271SND_SOC_DAILINK_DEF(acp3x_bt,
 272        DAILINK_COMP_ARRAY(COMP_CPU("acp3x_i2s_playcap.2")));
 273
 274SND_SOC_DAILINK_DEF(rt5682,
 275        DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC5682:00", "rt5682-aif1")));
 276SND_SOC_DAILINK_DEF(max,
 277        DAILINK_COMP_ARRAY(COMP_CODEC("MX98357A:00", "HiFi")));
 278SND_SOC_DAILINK_DEF(rt1015p,
 279        DAILINK_COMP_ARRAY(COMP_CODEC("RTL1015:00", "HiFi")));
 280SND_SOC_DAILINK_DEF(rt1015,
 281        DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC1015:00", "rt1015-aif"),
 282                        COMP_CODEC("i2c-10EC1015:01", "rt1015-aif")));
 283SND_SOC_DAILINK_DEF(cros_ec,
 284        DAILINK_COMP_ARRAY(COMP_CODEC("GOOG0013:00", "EC Codec I2S RX")));
 285
 286SND_SOC_DAILINK_DEF(platform,
 287        DAILINK_COMP_ARRAY(COMP_PLATFORM("acp3x_rv_i2s_dma.0")));
 288
 289static struct snd_soc_codec_conf rt1015_conf[] = {
 290        {
 291                .dlc = COMP_CODEC_CONF("i2c-10EC1015:00"),
 292                .name_prefix = "Left",
 293        },
 294        {
 295                .dlc = COMP_CODEC_CONF("i2c-10EC1015:01"),
 296                .name_prefix = "Right",
 297        },
 298};
 299
 300static struct snd_soc_dai_link acp3x_dai[] = {
 301        [RT5682] = {
 302                .name = "acp3x-5682-play",
 303                .stream_name = "Playback",
 304                .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
 305                                | SND_SOC_DAIFMT_CBM_CFM,
 306                .init = acp3x_5682_init,
 307                .dpcm_playback = 1,
 308                .dpcm_capture = 1,
 309                .ops = &acp3x_5682_ops,
 310                SND_SOC_DAILINK_REG(acp3x_i2s, rt5682, platform),
 311        },
 312        [MAX] = {
 313                .name = "acp3x-max98357-play",
 314                .stream_name = "HiFi Playback",
 315                .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
 316                                | SND_SOC_DAIFMT_CBS_CFS,
 317                .dpcm_playback = 1,
 318                .ops = &acp3x_max_play_ops,
 319                .cpus = acp3x_bt,
 320                .num_cpus = ARRAY_SIZE(acp3x_bt),
 321                .platforms = platform,
 322                .num_platforms = ARRAY_SIZE(platform),
 323        },
 324        [EC] = {
 325                .name = "acp3x-ec-dmic0-capture",
 326                .stream_name = "Capture DMIC0",
 327                .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
 328                                | SND_SOC_DAIFMT_CBS_CFS,
 329                .dpcm_capture = 1,
 330                .ops = &acp3x_ec_cap0_ops,
 331                SND_SOC_DAILINK_REG(acp3x_bt, cros_ec, platform),
 332        },
 333};
 334
 335static const char * const dmic_mux_text[] = {
 336        "Front Mic",
 337        "Rear Mic",
 338};
 339
 340static SOC_ENUM_SINGLE_DECL(
 341                acp3x_dmic_enum, SND_SOC_NOPM, 0, dmic_mux_text);
 342
 343static const struct snd_kcontrol_new acp3x_dmic_mux_control =
 344        SOC_DAPM_ENUM_EXT("DMIC Select Mux", acp3x_dmic_enum,
 345                          dmic_get, dmic_set);
 346
 347static const struct snd_soc_dapm_widget acp3x_5682_widgets[] = {
 348        SND_SOC_DAPM_HP("Headphone Jack", NULL),
 349        SND_SOC_DAPM_SPK("Spk", NULL),
 350        SND_SOC_DAPM_MIC("Headset Mic", NULL),
 351        SND_SOC_DAPM_MUX("Dmic Mux", SND_SOC_NOPM, 0, 0,
 352                         &acp3x_dmic_mux_control),
 353};
 354
 355static const struct snd_soc_dapm_route acp3x_5682_audio_route[] = {
 356        {"Headphone Jack", NULL, "HPOL"},
 357        {"Headphone Jack", NULL, "HPOR"},
 358        {"IN1P", NULL, "Headset Mic"},
 359        {"Spk", NULL, "Speaker"},
 360        {"Dmic Mux", "Front Mic", "DMIC"},
 361        {"Dmic Mux", "Rear Mic", "DMIC"},
 362};
 363
 364static const struct snd_kcontrol_new acp3x_5682_mc_controls[] = {
 365        SOC_DAPM_PIN_SWITCH("Headphone Jack"),
 366        SOC_DAPM_PIN_SWITCH("Spk"),
 367        SOC_DAPM_PIN_SWITCH("Headset Mic"),
 368};
 369
 370static struct snd_soc_card acp3x_5682 = {
 371        .name = "acp3xalc5682m98357",
 372        .owner = THIS_MODULE,
 373        .dai_link = acp3x_dai,
 374        .num_links = ARRAY_SIZE(acp3x_dai),
 375        .dapm_widgets = acp3x_5682_widgets,
 376        .num_dapm_widgets = ARRAY_SIZE(acp3x_5682_widgets),
 377        .dapm_routes = acp3x_5682_audio_route,
 378        .num_dapm_routes = ARRAY_SIZE(acp3x_5682_audio_route),
 379        .controls = acp3x_5682_mc_controls,
 380        .num_controls = ARRAY_SIZE(acp3x_5682_mc_controls),
 381};
 382
 383static const struct snd_soc_dapm_widget acp3x_1015_widgets[] = {
 384        SND_SOC_DAPM_HP("Headphone Jack", NULL),
 385        SND_SOC_DAPM_MIC("Headset Mic", NULL),
 386        SND_SOC_DAPM_MUX("Dmic Mux", SND_SOC_NOPM, 0, 0,
 387                         &acp3x_dmic_mux_control),
 388        SND_SOC_DAPM_SPK("Left Spk", NULL),
 389        SND_SOC_DAPM_SPK("Right Spk", NULL),
 390};
 391
 392static const struct snd_soc_dapm_route acp3x_1015_route[] = {
 393        {"Headphone Jack", NULL, "HPOL"},
 394        {"Headphone Jack", NULL, "HPOR"},
 395        {"IN1P", NULL, "Headset Mic"},
 396        {"Dmic Mux", "Front Mic", "DMIC"},
 397        {"Dmic Mux", "Rear Mic", "DMIC"},
 398        {"Left Spk", NULL, "Left SPO"},
 399        {"Right Spk", NULL, "Right SPO"},
 400};
 401
 402static const struct snd_kcontrol_new acp3x_mc_1015_controls[] = {
 403        SOC_DAPM_PIN_SWITCH("Headphone Jack"),
 404        SOC_DAPM_PIN_SWITCH("Headset Mic"),
 405        SOC_DAPM_PIN_SWITCH("Left Spk"),
 406        SOC_DAPM_PIN_SWITCH("Right Spk"),
 407};
 408
 409static struct snd_soc_card acp3x_1015 = {
 410        .name = "acp3xalc56821015",
 411        .owner = THIS_MODULE,
 412        .dai_link = acp3x_dai,
 413        .num_links = ARRAY_SIZE(acp3x_dai),
 414        .dapm_widgets = acp3x_1015_widgets,
 415        .num_dapm_widgets = ARRAY_SIZE(acp3x_1015_widgets),
 416        .dapm_routes = acp3x_1015_route,
 417        .num_dapm_routes = ARRAY_SIZE(acp3x_1015_route),
 418        .codec_conf = rt1015_conf,
 419        .num_configs = ARRAY_SIZE(rt1015_conf),
 420        .controls = acp3x_mc_1015_controls,
 421        .num_controls = ARRAY_SIZE(acp3x_mc_1015_controls),
 422};
 423
 424static const struct snd_soc_dapm_widget acp3x_1015p_widgets[] = {
 425        SND_SOC_DAPM_HP("Headphone Jack", NULL),
 426        SND_SOC_DAPM_MIC("Headset Mic", NULL),
 427        SND_SOC_DAPM_MUX("Dmic Mux", SND_SOC_NOPM, 0, 0,
 428                         &acp3x_dmic_mux_control),
 429        SND_SOC_DAPM_SPK("Speakers", NULL),
 430};
 431
 432static const struct snd_soc_dapm_route acp3x_1015p_route[] = {
 433        {"Headphone Jack", NULL, "HPOL"},
 434        {"Headphone Jack", NULL, "HPOR"},
 435        {"IN1P", NULL, "Headset Mic"},
 436        {"Dmic Mux", "Front Mic", "DMIC"},
 437        {"Dmic Mux", "Rear Mic", "DMIC"},
 438        /* speaker */
 439        { "Speakers", NULL, "Speaker" },
 440};
 441
 442static const struct snd_kcontrol_new acp3x_mc_1015p_controls[] = {
 443        SOC_DAPM_PIN_SWITCH("Speakers"),
 444        SOC_DAPM_PIN_SWITCH("Headphone Jack"),
 445        SOC_DAPM_PIN_SWITCH("Headset Mic"),
 446};
 447
 448static struct snd_soc_card acp3x_1015p = {
 449        .name = "acp3xalc56821015p",
 450        .owner = THIS_MODULE,
 451        .dai_link = acp3x_dai,
 452        .num_links = ARRAY_SIZE(acp3x_dai),
 453        .dapm_widgets = acp3x_1015p_widgets,
 454        .num_dapm_widgets = ARRAY_SIZE(acp3x_1015p_widgets),
 455        .dapm_routes = acp3x_1015p_route,
 456        .num_dapm_routes = ARRAY_SIZE(acp3x_1015p_route),
 457        .controls = acp3x_mc_1015p_controls,
 458        .num_controls = ARRAY_SIZE(acp3x_mc_1015p_controls),
 459};
 460
 461void *soc_is_rltk_max(struct device *dev)
 462{
 463        const struct acpi_device_id *match;
 464
 465        match = acpi_match_device(dev->driver->acpi_match_table, dev);
 466        if (!match)
 467                return NULL;
 468        return (void *)match->driver_data;
 469}
 470
 471static void card_spk_dai_link_present(struct snd_soc_dai_link *links,
 472                                                const char *card_name)
 473{
 474        if (!strcmp(card_name, "acp3xalc56821015")) {
 475                links[1].codecs = rt1015;
 476                links[1].num_codecs = ARRAY_SIZE(rt1015);
 477        } else if (!strcmp(card_name, "acp3xalc56821015p")) {
 478                links[1].codecs = rt1015p;
 479                links[1].num_codecs = ARRAY_SIZE(rt1015p);
 480        } else {
 481                links[1].codecs = max;
 482                links[1].num_codecs = ARRAY_SIZE(max);
 483        }
 484}
 485
 486static int acp3x_probe(struct platform_device *pdev)
 487{
 488        int ret;
 489        struct snd_soc_card *card;
 490        struct acp3x_platform_info *machine;
 491        struct device *dev = &pdev->dev;
 492
 493        card = (struct snd_soc_card *)soc_is_rltk_max(dev);
 494        if (!card)
 495                return -ENODEV;
 496
 497        machine = devm_kzalloc(&pdev->dev, sizeof(*machine), GFP_KERNEL);
 498        if (!machine)
 499                return -ENOMEM;
 500
 501        card_spk_dai_link_present(card->dai_link, card->name);
 502        card->dev = &pdev->dev;
 503        platform_set_drvdata(pdev, card);
 504        snd_soc_card_set_drvdata(card, machine);
 505
 506        dmic_sel = devm_gpiod_get(&pdev->dev, "dmic", GPIOD_OUT_LOW);
 507        if (IS_ERR(dmic_sel)) {
 508                dev_err(&pdev->dev, "DMIC gpio failed err=%ld\n",
 509                        PTR_ERR(dmic_sel));
 510                return PTR_ERR(dmic_sel);
 511        }
 512
 513        ret = devm_snd_soc_register_card(&pdev->dev, card);
 514        if (ret) {
 515                return dev_err_probe(&pdev->dev, ret,
 516                                "devm_snd_soc_register_card(%s) failed\n",
 517                                card->name);
 518        }
 519        return 0;
 520}
 521
 522static const struct acpi_device_id acp3x_audio_acpi_match[] = {
 523        { "AMDI5682", (unsigned long)&acp3x_5682},
 524        { "AMDI1015", (unsigned long)&acp3x_1015},
 525        { "10021015", (unsigned long)&acp3x_1015p},
 526        {},
 527};
 528MODULE_DEVICE_TABLE(acpi, acp3x_audio_acpi_match);
 529
 530static struct platform_driver acp3x_audio = {
 531        .driver = {
 532                .name = "acp3x-alc5682-max98357",
 533                .acpi_match_table = ACPI_PTR(acp3x_audio_acpi_match),
 534                .pm = &snd_soc_pm_ops,
 535        },
 536        .probe = acp3x_probe,
 537};
 538
 539module_platform_driver(acp3x_audio);
 540
 541MODULE_AUTHOR("akshu.agrawal@amd.com");
 542MODULE_AUTHOR("Vishnuvardhanrao.Ravulapati@amd.com");
 543MODULE_AUTHOR("Vijendar.Mukunda@amd.com");
 544MODULE_DESCRIPTION("ALC5682 ALC1015, ALC1015P & MAX98357 audio support");
 545MODULE_LICENSE("GPL v2");
 546