linux/sound/soc/intel/boards/kbl_rt5660.c
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   1// SPDX-License-Identifier: GPL-2.0-only
   2// Copyright(c) 2018-19 Canonical Corporation.
   3
   4/*
   5 * Intel Kabylake I2S Machine Driver with RT5660 Codec
   6 *
   7 * Modified from:
   8 *   Intel Kabylake I2S Machine driver supporting MAXIM98357a and
   9 *   DA7219 codecs
  10 * Also referred to:
  11 *   Intel Broadwell I2S Machine driver supporting RT5677 codec
  12 */
  13
  14#include <linux/module.h>
  15#include <linux/platform_device.h>
  16#include <linux/gpio/consumer.h>
  17#include <linux/acpi.h>
  18#include <sound/core.h>
  19#include <sound/jack.h>
  20#include <sound/pcm.h>
  21#include <sound/pcm_params.h>
  22#include <sound/soc.h>
  23
  24#include "../../codecs/hdac_hdmi.h"
  25#include "../../codecs/rt5660.h"
  26
  27#define KBL_RT5660_CODEC_DAI "rt5660-aif1"
  28#define DUAL_CHANNEL 2
  29
  30static struct snd_soc_card *kabylake_audio_card;
  31static struct snd_soc_jack skylake_hdmi[3];
  32static struct snd_soc_jack lineout_jack;
  33static struct snd_soc_jack mic_jack;
  34
  35struct kbl_hdmi_pcm {
  36        struct list_head head;
  37        struct snd_soc_dai *codec_dai;
  38        int device;
  39};
  40
  41struct kbl_codec_private {
  42        struct gpio_desc *gpio_lo_mute;
  43        struct list_head hdmi_pcm_list;
  44};
  45
  46enum {
  47        KBL_DPCM_AUDIO_PB = 0,
  48        KBL_DPCM_AUDIO_CP,
  49        KBL_DPCM_AUDIO_HDMI1_PB,
  50        KBL_DPCM_AUDIO_HDMI2_PB,
  51        KBL_DPCM_AUDIO_HDMI3_PB,
  52};
  53
  54#define GPIO_LINEOUT_MUTE_INDEX 0
  55#define GPIO_LINEOUT_DET_INDEX 3
  56#define GPIO_LINEIN_DET_INDEX 4
  57
  58static const struct acpi_gpio_params lineout_mute_gpio = { GPIO_LINEOUT_MUTE_INDEX, 0, true };
  59static const struct acpi_gpio_params lineout_det_gpio = { GPIO_LINEOUT_DET_INDEX, 0, false };
  60static const struct acpi_gpio_params mic_det_gpio = { GPIO_LINEIN_DET_INDEX, 0, false };
  61
  62
  63static const struct acpi_gpio_mapping acpi_rt5660_gpios[] = {
  64        { "lineout-mute-gpios", &lineout_mute_gpio, 1 },
  65        { "lineout-det-gpios", &lineout_det_gpio, 1 },
  66        { "mic-det-gpios", &mic_det_gpio, 1 },
  67        { NULL },
  68};
  69
  70static struct snd_soc_jack_pin lineout_jack_pin = {
  71        .pin    = "Line Out",
  72        .mask   = SND_JACK_LINEOUT,
  73};
  74
  75static struct snd_soc_jack_pin mic_jack_pin = {
  76        .pin    = "Line In",
  77        .mask   = SND_JACK_MICROPHONE,
  78};
  79
  80static struct snd_soc_jack_gpio lineout_jack_gpio = {
  81        .name                   = "lineout-det",
  82        .report                 = SND_JACK_LINEOUT,
  83        .debounce_time          = 200,
  84};
  85
  86static struct snd_soc_jack_gpio mic_jack_gpio = {
  87        .name                   = "mic-det",
  88        .report                 = SND_JACK_MICROPHONE,
  89        .debounce_time          = 200,
  90};
  91
  92static int kabylake_5660_event_lineout(struct snd_soc_dapm_widget *w,
  93                        struct snd_kcontrol *k, int event)
  94{
  95        struct snd_soc_dapm_context *dapm = w->dapm;
  96        struct kbl_codec_private *priv = snd_soc_card_get_drvdata(dapm->card);
  97
  98        gpiod_set_value_cansleep(priv->gpio_lo_mute,
  99                        !(SND_SOC_DAPM_EVENT_ON(event)));
 100
 101        return 0;
 102}
 103
 104static const struct snd_kcontrol_new kabylake_rt5660_controls[] = {
 105        SOC_DAPM_PIN_SWITCH("Line In"),
 106        SOC_DAPM_PIN_SWITCH("Line Out"),
 107};
 108
 109static const struct snd_soc_dapm_widget kabylake_rt5660_widgets[] = {
 110        SND_SOC_DAPM_MIC("Line In", NULL),
 111        SND_SOC_DAPM_LINE("Line Out", kabylake_5660_event_lineout),
 112};
 113
 114static const struct snd_soc_dapm_route kabylake_rt5660_map[] = {
 115        /* other jacks */
 116        {"IN1P", NULL, "Line In"},
 117        {"IN2P", NULL, "Line In"},
 118        {"Line Out", NULL, "LOUTR"},
 119        {"Line Out", NULL, "LOUTL"},
 120
 121        /* CODEC BE connections */
 122        { "AIF1 Playback", NULL, "ssp0 Tx"},
 123        { "ssp0 Tx", NULL, "codec0_out"},
 124
 125        { "codec0_in", NULL, "ssp0 Rx" },
 126        { "ssp0 Rx", NULL, "AIF1 Capture" },
 127
 128        { "hifi1", NULL, "iDisp1 Tx"},
 129        { "iDisp1 Tx", NULL, "iDisp1_out"},
 130        { "hifi2", NULL, "iDisp2 Tx"},
 131        { "iDisp2 Tx", NULL, "iDisp2_out"},
 132        { "hifi3", NULL, "iDisp3 Tx"},
 133        { "iDisp3 Tx", NULL, "iDisp3_out"},
 134};
 135
 136static int kabylake_ssp0_fixup(struct snd_soc_pcm_runtime *rtd,
 137                        struct snd_pcm_hw_params *params)
 138{
 139        struct snd_interval *rate = hw_param_interval(params,
 140                        SNDRV_PCM_HW_PARAM_RATE);
 141        struct snd_interval *chan = hw_param_interval(params,
 142                        SNDRV_PCM_HW_PARAM_CHANNELS);
 143        struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
 144
 145        /* The ADSP will convert the FE rate to 48k, stereo */
 146        rate->min = rate->max = 48000;
 147        chan->min = chan->max = DUAL_CHANNEL;
 148
 149        /* set SSP0 to 24 bit */
 150        snd_mask_none(fmt);
 151        snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
 152
 153        return 0;
 154}
 155
 156static int kabylake_rt5660_codec_init(struct snd_soc_pcm_runtime *rtd)
 157{
 158        int ret;
 159        struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(rtd->card);
 160        struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
 161        struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
 162
 163        ret = devm_acpi_dev_add_driver_gpios(component->dev, acpi_rt5660_gpios);
 164        if (ret)
 165                dev_warn(component->dev, "Failed to add driver gpios\n");
 166
 167        /* Request rt5660 GPIO for lineout mute control, return if fails */
 168        ctx->gpio_lo_mute = gpiod_get(component->dev, "lineout-mute",
 169                                      GPIOD_OUT_HIGH);
 170        if (IS_ERR(ctx->gpio_lo_mute)) {
 171                dev_err(component->dev, "Can't find GPIO_MUTE# gpio\n");
 172                return PTR_ERR(ctx->gpio_lo_mute);
 173        }
 174
 175        /* Create and initialize headphone jack, this jack is not mandatory, don't return if fails */
 176        ret = snd_soc_card_jack_new(rtd->card, "Lineout Jack",
 177                                    SND_JACK_LINEOUT, &lineout_jack,
 178                                    &lineout_jack_pin, 1);
 179        if (ret)
 180                dev_warn(component->dev, "Can't create Lineout jack\n");
 181        else {
 182                lineout_jack_gpio.gpiod_dev = component->dev;
 183                ret = snd_soc_jack_add_gpios(&lineout_jack, 1,
 184                                             &lineout_jack_gpio);
 185                if (ret)
 186                        dev_warn(component->dev, "Can't add Lineout jack gpio\n");
 187        }
 188
 189        /* Create and initialize mic jack, this jack is not mandatory, don't return if fails */
 190        ret = snd_soc_card_jack_new(rtd->card, "Mic Jack",
 191                                    SND_JACK_MICROPHONE, &mic_jack,
 192                                    &mic_jack_pin, 1);
 193        if (ret)
 194                dev_warn(component->dev, "Can't create mic jack\n");
 195        else {
 196                mic_jack_gpio.gpiod_dev = component->dev;
 197                ret = snd_soc_jack_add_gpios(&mic_jack, 1, &mic_jack_gpio);
 198                if (ret)
 199                        dev_warn(component->dev, "Can't add mic jack gpio\n");
 200        }
 201
 202        /* Here we enable some dapms in advance to reduce the pop noise for recording via line-in */
 203        snd_soc_dapm_force_enable_pin(dapm, "MICBIAS1");
 204        snd_soc_dapm_force_enable_pin(dapm, "BST1");
 205        snd_soc_dapm_force_enable_pin(dapm, "BST2");
 206
 207        return 0;
 208}
 209
 210static void kabylake_rt5660_codec_exit(struct snd_soc_pcm_runtime *rtd)
 211{
 212        struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(rtd->card);
 213
 214        /*
 215         * The .exit() can be reached without going through the .init()
 216         * so explicitly test if the gpiod is valid
 217         */
 218        if (!IS_ERR_OR_NULL(ctx->gpio_lo_mute))
 219                gpiod_put(ctx->gpio_lo_mute);
 220}
 221
 222static int kabylake_hdmi_init(struct snd_soc_pcm_runtime *rtd, int device)
 223{
 224        struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(rtd->card);
 225        struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0);
 226        struct kbl_hdmi_pcm *pcm;
 227
 228        pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
 229        if (!pcm)
 230                return -ENOMEM;
 231
 232        pcm->device = device;
 233        pcm->codec_dai = dai;
 234
 235        list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
 236
 237        return 0;
 238}
 239
 240static int kabylake_hdmi1_init(struct snd_soc_pcm_runtime *rtd)
 241{
 242        return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI1_PB);
 243}
 244
 245static int kabylake_hdmi2_init(struct snd_soc_pcm_runtime *rtd)
 246{
 247        return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI2_PB);
 248}
 249
 250static int kabylake_hdmi3_init(struct snd_soc_pcm_runtime *rtd)
 251{
 252        return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI3_PB);
 253}
 254
 255static int kabylake_rt5660_hw_params(struct snd_pcm_substream *substream,
 256        struct snd_pcm_hw_params *params)
 257{
 258        struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 259        struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
 260        int ret;
 261
 262        ret = snd_soc_dai_set_sysclk(codec_dai,
 263                                     RT5660_SCLK_S_PLL1, params_rate(params) * 512,
 264                                     SND_SOC_CLOCK_IN);
 265        if (ret < 0) {
 266                dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);
 267                return ret;
 268        }
 269
 270        ret = snd_soc_dai_set_pll(codec_dai, 0,
 271                                  RT5660_PLL1_S_BCLK,
 272                                  params_rate(params) * 50,
 273                                  params_rate(params) * 512);
 274        if (ret < 0)
 275                dev_err(codec_dai->dev, "can't set codec pll: %d\n", ret);
 276
 277        return ret;
 278}
 279
 280static struct snd_soc_ops kabylake_rt5660_ops = {
 281        .hw_params = kabylake_rt5660_hw_params,
 282};
 283
 284static const unsigned int rates[] = {
 285        48000,
 286};
 287
 288static const struct snd_pcm_hw_constraint_list constraints_rates = {
 289        .count = ARRAY_SIZE(rates),
 290        .list  = rates,
 291        .mask = 0,
 292};
 293
 294static const unsigned int channels[] = {
 295        DUAL_CHANNEL,
 296};
 297
 298static const struct snd_pcm_hw_constraint_list constraints_channels = {
 299        .count = ARRAY_SIZE(channels),
 300        .list = channels,
 301        .mask = 0,
 302};
 303
 304static int kbl_fe_startup(struct snd_pcm_substream *substream)
 305{
 306        struct snd_pcm_runtime *runtime = substream->runtime;
 307
 308        /*
 309         * On this platform for PCM device we support,
 310         * 48Khz
 311         * stereo
 312         * 16 bit audio
 313         */
 314
 315        runtime->hw.channels_max = DUAL_CHANNEL;
 316        snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 317                                           &constraints_channels);
 318
 319        runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
 320        snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
 321
 322        snd_pcm_hw_constraint_list(runtime, 0,
 323                                SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
 324
 325        return 0;
 326}
 327
 328static const struct snd_soc_ops kabylake_rt5660_fe_ops = {
 329        .startup = kbl_fe_startup,
 330};
 331
 332SND_SOC_DAILINK_DEF(dummy,
 333        DAILINK_COMP_ARRAY(COMP_DUMMY()));
 334
 335SND_SOC_DAILINK_DEF(system,
 336        DAILINK_COMP_ARRAY(COMP_CPU("System Pin")));
 337
 338SND_SOC_DAILINK_DEF(hdmi1,
 339        DAILINK_COMP_ARRAY(COMP_CPU("HDMI1 Pin")));
 340
 341SND_SOC_DAILINK_DEF(hdmi2,
 342        DAILINK_COMP_ARRAY(COMP_CPU("HDMI2 Pin")));
 343
 344SND_SOC_DAILINK_DEF(hdmi3,
 345        DAILINK_COMP_ARRAY(COMP_CPU("HDMI3 Pin")));
 346
 347SND_SOC_DAILINK_DEF(ssp0_pin,
 348        DAILINK_COMP_ARRAY(COMP_CPU("SSP0 Pin")));
 349SND_SOC_DAILINK_DEF(ssp0_codec,
 350        DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC3277:00", KBL_RT5660_CODEC_DAI)));
 351
 352SND_SOC_DAILINK_DEF(idisp1_pin,
 353                    DAILINK_COMP_ARRAY(COMP_CPU("iDisp1 Pin")));
 354SND_SOC_DAILINK_DEF(idisp1_codec,
 355        DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi1")));
 356
 357SND_SOC_DAILINK_DEF(idisp2_pin,
 358        DAILINK_COMP_ARRAY(COMP_CPU("iDisp2 Pin")));
 359SND_SOC_DAILINK_DEF(idisp2_codec,
 360        DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi2")));
 361
 362SND_SOC_DAILINK_DEF(idisp3_pin,
 363        DAILINK_COMP_ARRAY(COMP_CPU("iDisp3 Pin")));
 364SND_SOC_DAILINK_DEF(idisp3_codec,
 365        DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi3")));
 366
 367SND_SOC_DAILINK_DEF(platform,
 368        DAILINK_COMP_ARRAY(COMP_PLATFORM("0000:00:1f.3")));
 369
 370/* kabylake digital audio interface glue - connects rt5660 codec <--> CPU */
 371static struct snd_soc_dai_link kabylake_rt5660_dais[] = {
 372        /* Front End DAI links */
 373        [KBL_DPCM_AUDIO_PB] = {
 374                .name = "Kbl Audio Port",
 375                .stream_name = "Audio",
 376                .dynamic = 1,
 377                .nonatomic = 1,
 378                .trigger = {
 379                        SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 380                .dpcm_playback = 1,
 381                .ops = &kabylake_rt5660_fe_ops,
 382                SND_SOC_DAILINK_REG(system, dummy, platform),
 383        },
 384        [KBL_DPCM_AUDIO_CP] = {
 385                .name = "Kbl Audio Capture Port",
 386                .stream_name = "Audio Record",
 387                .dynamic = 1,
 388                .nonatomic = 1,
 389                .trigger = {
 390                        SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 391                .dpcm_capture = 1,
 392                .ops = &kabylake_rt5660_fe_ops,
 393                SND_SOC_DAILINK_REG(system, dummy, platform),
 394        },
 395        [KBL_DPCM_AUDIO_HDMI1_PB] = {
 396                .name = "Kbl HDMI Port1",
 397                .stream_name = "Hdmi1",
 398                .dpcm_playback = 1,
 399                .init = NULL,
 400                .trigger = {
 401                        SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 402                .nonatomic = 1,
 403                .dynamic = 1,
 404                SND_SOC_DAILINK_REG(hdmi1, dummy, platform),
 405        },
 406        [KBL_DPCM_AUDIO_HDMI2_PB] = {
 407                .name = "Kbl HDMI Port2",
 408                .stream_name = "Hdmi2",
 409                .dpcm_playback = 1,
 410                .init = NULL,
 411                .trigger = {
 412                        SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 413                .nonatomic = 1,
 414                .dynamic = 1,
 415                SND_SOC_DAILINK_REG(hdmi2, dummy, platform),
 416        },
 417        [KBL_DPCM_AUDIO_HDMI3_PB] = {
 418                .name = "Kbl HDMI Port3",
 419                .stream_name = "Hdmi3",
 420                .trigger = {
 421                        SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 422                .dpcm_playback = 1,
 423                .init = NULL,
 424                .nonatomic = 1,
 425                .dynamic = 1,
 426                SND_SOC_DAILINK_REG(hdmi3, dummy, platform),
 427        },
 428
 429        /* Back End DAI links */
 430        {
 431                /* SSP0 - Codec */
 432                .name = "SSP0-Codec",
 433                .id = 0,
 434                .no_pcm = 1,
 435                .init = kabylake_rt5660_codec_init,
 436                .exit = kabylake_rt5660_codec_exit,
 437                .dai_fmt = SND_SOC_DAIFMT_I2S |
 438                SND_SOC_DAIFMT_NB_NF |
 439                SND_SOC_DAIFMT_CBS_CFS,
 440                .ignore_pmdown_time = 1,
 441                .be_hw_params_fixup = kabylake_ssp0_fixup,
 442                .ops = &kabylake_rt5660_ops,
 443                .dpcm_playback = 1,
 444                .dpcm_capture = 1,
 445                SND_SOC_DAILINK_REG(ssp0_pin, ssp0_codec, platform),
 446        },
 447        {
 448                .name = "iDisp1",
 449                .id = 1,
 450                .dpcm_playback = 1,
 451                .init = kabylake_hdmi1_init,
 452                .no_pcm = 1,
 453                SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform),
 454        },
 455        {
 456                .name = "iDisp2",
 457                .id = 2,
 458                .init = kabylake_hdmi2_init,
 459                .dpcm_playback = 1,
 460                .no_pcm = 1,
 461                SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform),
 462        },
 463        {
 464                .name = "iDisp3",
 465                .id = 3,
 466                .init = kabylake_hdmi3_init,
 467                .dpcm_playback = 1,
 468                .no_pcm = 1,
 469                SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform),
 470        },
 471};
 472
 473
 474#define NAME_SIZE       32
 475static int kabylake_card_late_probe(struct snd_soc_card *card)
 476{
 477        struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(card);
 478        struct kbl_hdmi_pcm *pcm;
 479        struct snd_soc_component *component = NULL;
 480        int err, i = 0;
 481        char jack_name[NAME_SIZE];
 482
 483        list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
 484                component = pcm->codec_dai->component;
 485                snprintf(jack_name, sizeof(jack_name),
 486                        "HDMI/DP, pcm=%d Jack", pcm->device);
 487                err = snd_soc_card_jack_new(card, jack_name,
 488                                        SND_JACK_AVOUT, &skylake_hdmi[i],
 489                                        NULL, 0);
 490
 491                if (err)
 492                        return err;
 493
 494                err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
 495                                &skylake_hdmi[i]);
 496                if (err < 0)
 497                        return err;
 498
 499                i++;
 500
 501        }
 502
 503        if (!component)
 504                return -EINVAL;
 505
 506        return hdac_hdmi_jack_port_init(component, &card->dapm);
 507}
 508
 509/* kabylake audio machine driver for rt5660 */
 510static struct snd_soc_card kabylake_audio_card_rt5660 = {
 511        .name = "kblrt5660",
 512        .owner = THIS_MODULE,
 513        .dai_link = kabylake_rt5660_dais,
 514        .num_links = ARRAY_SIZE(kabylake_rt5660_dais),
 515        .controls = kabylake_rt5660_controls,
 516        .num_controls = ARRAY_SIZE(kabylake_rt5660_controls),
 517        .dapm_widgets = kabylake_rt5660_widgets,
 518        .num_dapm_widgets = ARRAY_SIZE(kabylake_rt5660_widgets),
 519        .dapm_routes = kabylake_rt5660_map,
 520        .num_dapm_routes = ARRAY_SIZE(kabylake_rt5660_map),
 521        .fully_routed = true,
 522        .late_probe = kabylake_card_late_probe,
 523};
 524
 525static int kabylake_audio_probe(struct platform_device *pdev)
 526{
 527        struct kbl_codec_private *ctx;
 528
 529        ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
 530        if (!ctx)
 531                return -ENOMEM;
 532
 533        INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
 534
 535        kabylake_audio_card =
 536                (struct snd_soc_card *)pdev->id_entry->driver_data;
 537
 538        kabylake_audio_card->dev = &pdev->dev;
 539        snd_soc_card_set_drvdata(kabylake_audio_card, ctx);
 540        return devm_snd_soc_register_card(&pdev->dev, kabylake_audio_card);
 541}
 542
 543static const struct platform_device_id kbl_board_ids[] = {
 544        {
 545                .name = "kbl_rt5660",
 546                .driver_data =
 547                        (kernel_ulong_t)&kabylake_audio_card_rt5660,
 548        },
 549        { }
 550};
 551MODULE_DEVICE_TABLE(platform, kbl_board_ids);
 552
 553static struct platform_driver kabylake_audio = {
 554        .probe = kabylake_audio_probe,
 555        .driver = {
 556                .name = "kbl_rt5660",
 557                .pm = &snd_soc_pm_ops,
 558        },
 559        .id_table = kbl_board_ids,
 560};
 561
 562module_platform_driver(kabylake_audio)
 563
 564/* Module information */
 565MODULE_DESCRIPTION("Audio Machine driver-RT5660 in I2S mode");
 566MODULE_AUTHOR("Hui Wang <hui.wang@canonical.com>");
 567MODULE_LICENSE("GPL v2");
 568