sound/soc/intel/boards/sof_nau8825.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 // Copyright(c) 2021 Intel Corporation.
   3 // Copyright(c) 2021 Nuvoton Corporation.
   4
   5 /*
   6  * Intel SOF Machine Driver with Nuvoton headphone codec NAU8825
   7  * and speaker codec RT1019P MAX98360a or MAX98373
   8  */
   9 #include <linux/i2c.h>
  10 #include <linux/input.h>
  11 #include <linux/module.h>
  12 #include <linux/platform_device.h>
  13 #include <linux/dmi.h>
  14 #include <sound/core.h>
  15 #include <sound/jack.h>
  16 #include <sound/pcm.h>
  17 #include <sound/pcm_params.h>
  18 #include <sound/soc.h>
  19 #include <sound/sof.h>
  20 #include <sound/soc-acpi.h>
  21 #include "../../codecs/nau8825.h"
  22 #include "../common/soc-intel-quirks.h"
  23 #include "sof_board_helpers.h"
  24 #include "sof_realtek_common.h"
  25 #include "sof_maxim_common.h"
  26 #include "sof_nuvoton_common.h"
  27 #include "sof_ssp_common.h"
  28
  29 #define SOF_NAU8825_SSP_CODEC(quirk)            ((quirk) & GENMASK(2, 0))
  30 #define SOF_NAU8825_SSP_CODEC_MASK              (GENMASK(2, 0))
  31 #define SOF_NAU8825_SSP_AMP_SHIFT               4
  32 #define SOF_NAU8825_SSP_AMP_MASK                (GENMASK(6, 4))
  33 #define SOF_NAU8825_SSP_AMP(quirk)      \
  34         (((quirk) << SOF_NAU8825_SSP_AMP_SHIFT) & SOF_NAU8825_SSP_AMP_MASK)
  35 #define SOF_NAU8825_NUM_HDMIDEV_SHIFT           7
  36 #define SOF_NAU8825_NUM_HDMIDEV_MASK            (GENMASK(9, 7))
  37 #define SOF_NAU8825_NUM_HDMIDEV(quirk)  \
  38         (((quirk) << SOF_NAU8825_NUM_HDMIDEV_SHIFT) & SOF_NAU8825_NUM_HDMIDEV_MASK)
  39
  40 /* BT audio offload: reserve 3 bits for future */
  41 #define SOF_BT_OFFLOAD_SSP_SHIFT                10
  42 #define SOF_BT_OFFLOAD_SSP_MASK         (GENMASK(12, 10))
  43 #define SOF_BT_OFFLOAD_SSP(quirk)       \
  44         (((quirk) << SOF_BT_OFFLOAD_SSP_SHIFT) & SOF_BT_OFFLOAD_SSP_MASK)
  45 #define SOF_SSP_BT_OFFLOAD_PRESENT              BIT(13)
  46
  47 static unsigned long sof_nau8825_quirk = SOF_NAU8825_SSP_CODEC(0);
  48
  49 static struct snd_soc_jack_pin jack_pins[] = {
  50         {
  51                 .pin    = "Headphone Jack",
  52                 .mask   = SND_JACK_HEADPHONE,
  53         },
  54         {
  55                 .pin    = "Headset Mic",
  56                 .mask   = SND_JACK_MICROPHONE,
  57         },
  58 };
  59
  60 static int sof_nau8825_codec_init(struct snd_soc_pcm_runtime *rtd)
  61 {
  62         struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
  63         struct snd_soc_component *component = snd_soc_rtd_to_codec(rtd, 0)->component;
  64         struct snd_soc_jack *jack = &ctx->headset_jack;
  65         int ret;
  66
  67         /*
  68          * Headset buttons map to the google Reference headset.
  69          * These can be configured by userspace.
  70          */
  71         ret = snd_soc_card_jack_new_pins(rtd->card, "Headset Jack",
  72                                          SND_JACK_HEADSET | SND_JACK_BTN_0 |
  73                                          SND_JACK_BTN_1 | SND_JACK_BTN_2 |
  74                                          SND_JACK_BTN_3,
  75                                          jack,
  76                                          jack_pins,
  77                                          ARRAY_SIZE(jack_pins));
  78         if (ret) {
  79                 dev_err(rtd->dev, "Headset Jack creation failed: %d\n", ret);
  80                 return ret;
  81         }
  82
  83         snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
  84         snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
  85         snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
  86         snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
  87
  88         ret = snd_soc_component_set_jack(component, jack, NULL);
  89         if (ret) {
  90                 dev_err(rtd->dev, "Headset Jack call-back failed: %d\n", ret);
  91                 return ret;
  92         }
  93
  94         return ret;
  95 };
  96
  97 static void sof_nau8825_codec_exit(struct snd_soc_pcm_runtime *rtd)
  98 {
  99         struct snd_soc_component *component = snd_soc_rtd_to_codec(rtd, 0)->component;
 100
 101         snd_soc_component_set_jack(component, NULL, NULL);
 102 }
 103
 104 static int sof_nau8825_hw_params(struct snd_pcm_substream *substream,
 105                                  struct snd_pcm_hw_params *params)
 106 {
 107         struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
 108         struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
 109         int clk_freq, ret;
 110
 111         clk_freq = sof_dai_get_bclk(rtd); /* BCLK freq */
 112
 113         if (clk_freq <= 0) {
 114                 dev_err(rtd->dev, "get bclk freq failed: %d\n", clk_freq);
 115                 return -EINVAL;
 116         }
 117
 118         /* Configure clock for codec */
 119         ret = snd_soc_dai_set_sysclk(codec_dai, NAU8825_CLK_FLL_BLK, 0,
 120                                      SND_SOC_CLOCK_IN);
 121         if (ret < 0) {
 122                 dev_err(codec_dai->dev, "can't set BCLK clock %d\n", ret);
 123                 return ret;
 124         }
 125
 126         /* Configure pll for codec */
 127         ret = snd_soc_dai_set_pll(codec_dai, 0, 0, clk_freq,
 128                                   params_rate(params) * 256);
 129         if (ret < 0) {
 130                 dev_err(codec_dai->dev, "can't set BCLK: %d\n", ret);
 131                 return ret;
 132         }
 133
 134         return ret;
 135 }
 136
 137 static struct snd_soc_ops sof_nau8825_ops = {
 138         .hw_params = sof_nau8825_hw_params,
 139 };
 140
 141 static struct snd_soc_dai_link_component platform_component[] = {
 142         {
 143                 /* name might be overridden during probe */
 144                 .name = "0000:00:1f.3"
 145         }
 146 };
 147
 148 static int sof_card_late_probe(struct snd_soc_card *card)
 149 {
 150         struct sof_card_private *ctx = snd_soc_card_get_drvdata(card);
 151         struct snd_soc_dapm_context *dapm = &card->dapm;
 152         int err;
 153
 154         if (ctx->amp_type == CODEC_MAX98373) {
 155                 /* Disable Left and Right Spk pin after boot */
 156                 snd_soc_dapm_disable_pin(dapm, "Left Spk");
 157                 snd_soc_dapm_disable_pin(dapm, "Right Spk");
 158                 err = snd_soc_dapm_sync(dapm);
 159                 if (err < 0)
 160                         return err;
 161         }
 162
 163         return sof_intel_board_card_late_probe(card);
 164 }
 165
 166 static const struct snd_kcontrol_new sof_controls[] = {
 167         SOC_DAPM_PIN_SWITCH("Headphone Jack"),
 168         SOC_DAPM_PIN_SWITCH("Headset Mic"),
 169         SOC_DAPM_PIN_SWITCH("Left Spk"),
 170         SOC_DAPM_PIN_SWITCH("Right Spk"),
 171 };
 172
 173 static const struct snd_soc_dapm_widget sof_widgets[] = {
 174         SND_SOC_DAPM_HP("Headphone Jack", NULL),
 175         SND_SOC_DAPM_MIC("Headset Mic", NULL),
 176         SND_SOC_DAPM_SPK("Left Spk", NULL),
 177         SND_SOC_DAPM_SPK("Right Spk", NULL),
 178 };
 179
 180 static const struct snd_soc_dapm_route sof_map[] = {
 181         /* HP jack connectors - unknown if we have jack detection */
 182         { "Headphone Jack", NULL, "HPOL" },
 183         { "Headphone Jack", NULL, "HPOR" },
 184
 185         /* other jacks */
 186         { "MIC", NULL, "Headset Mic" },
 187 };
 188
 189 /* sof audio machine driver for nau8825 codec */
 190 static struct snd_soc_card sof_audio_card_nau8825 = {
 191         .name = "nau8825", /* the sof- prefix is added by the core */
 192         .owner = THIS_MODULE,
 193         .controls = sof_controls,
 194         .num_controls = ARRAY_SIZE(sof_controls),
 195         .dapm_widgets = sof_widgets,
 196         .num_dapm_widgets = ARRAY_SIZE(sof_widgets),
 197         .dapm_routes = sof_map,
 198         .num_dapm_routes = ARRAY_SIZE(sof_map),
 199         .fully_routed = true,
 200         .late_probe = sof_card_late_probe,
 201 };
 202
 203 static struct snd_soc_dai_link_component nau8825_component[] = {
 204         {
 205                 .name = "i2c-10508825:00",
 206                 .dai_name = "nau8825-hifi",
 207         }
 208 };
 209
 210 static struct snd_soc_dai_link *
 211 sof_card_dai_links_create(struct device *dev, enum sof_ssp_codec amp_type,
 212                           int ssp_codec, int ssp_amp, int dmic_be_num,
 213                           int hdmi_num, bool idisp_codec)
 214 {
 215         struct snd_soc_dai_link_component *cpus;
 216         struct snd_soc_dai_link *links;
 217         int i;
 218         int id = 0;
 219         int ret;
 220
 221         links = devm_kcalloc(dev, sof_audio_card_nau8825.num_links,
 222                             sizeof(struct snd_soc_dai_link), GFP_KERNEL);
 223         cpus = devm_kcalloc(dev, sof_audio_card_nau8825.num_links,
 224                             sizeof(struct snd_soc_dai_link_component), GFP_KERNEL);
 225         if (!links || !cpus)
 226                 goto devm_err;
 227
 228         /* codec SSP */
 229         links[id].name = devm_kasprintf(dev, GFP_KERNEL,
 230                                         "SSP%d-Codec", ssp_codec);
 231         if (!links[id].name)
 232                 goto devm_err;
 233
 234         links[id].id = id;
 235         links[id].codecs = nau8825_component;
 236         links[id].num_codecs = ARRAY_SIZE(nau8825_component);
 237         links[id].platforms = platform_component;
 238         links[id].num_platforms = ARRAY_SIZE(platform_component);
 239         links[id].init = sof_nau8825_codec_init;
 240         links[id].exit = sof_nau8825_codec_exit;
 241         links[id].ops = &sof_nau8825_ops;
 242         links[id].dpcm_playback = 1;
 243         links[id].dpcm_capture = 1;
 244         links[id].no_pcm = 1;
 245         links[id].cpus = &cpus[id];
 246         links[id].num_cpus = 1;
 247
 248         links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
 249                                                   "SSP%d Pin",
 250                                                   ssp_codec);
 251         if (!links[id].cpus->dai_name)
 252                 goto devm_err;
 253
 254         id++;
 255
 256         /* dmic */
 257         if (dmic_be_num > 0) {
 258                 /* at least we have dmic01 */
 259                 ret = sof_intel_board_set_dmic_link(dev, &links[id], id,
 260                                                     SOF_DMIC_01);
 261                 if (ret)
 262                         return NULL;
 263
 264                 id++;
 265         }
 266
 267         if (dmic_be_num > 1) {
 268                 /* set up 2 BE links at most */
 269                 ret = sof_intel_board_set_dmic_link(dev, &links[id], id,
 270                                                     SOF_DMIC_16K);
 271                 if (ret)
 272                         return NULL;
 273
 274                 id++;
 275         }
 276
 277         /* HDMI */
 278         for (i = 1; i <= hdmi_num; i++) {
 279                 ret = sof_intel_board_set_intel_hdmi_link(dev, &links[id], id,
 280                                                           i, idisp_codec);
 281                 if (ret)
 282                         return NULL;
 283
 284                 id++;
 285         }
 286
 287         /* speaker amp */
 288         if (amp_type != CODEC_NONE) {
 289                 links[id].name = devm_kasprintf(dev, GFP_KERNEL,
 290                                                 "SSP%d-Codec", ssp_amp);
 291                 if (!links[id].name)
 292                         goto devm_err;
 293
 294                 links[id].id = id;
 295
 296                 switch (amp_type) {
 297                 case CODEC_MAX98360A:
 298                         max_98360a_dai_link(&links[id]);
 299                         break;
 300                 case CODEC_MAX98373:
 301                         links[id].codecs = max_98373_components;
 302                         links[id].num_codecs = ARRAY_SIZE(max_98373_components);
 303                         links[id].init = max_98373_spk_codec_init;
 304                         links[id].ops = &max_98373_ops;
 305                         break;
 306                 case CODEC_NAU8318:
 307                         nau8318_set_dai_link(&links[id]);
 308                         break;
 309                 case CODEC_RT1015P:
 310                         sof_rt1015p_dai_link(&links[id]);
 311                         break;
 312                 case CODEC_RT1019P:
 313                         sof_rt1019p_dai_link(&links[id]);
 314                         break;
 315                 default:
 316                         dev_err(dev, "invalid amp type %d\n", amp_type);
 317                         return NULL;
 318                 }
 319
 320                 links[id].platforms = platform_component;
 321                 links[id].num_platforms = ARRAY_SIZE(platform_component);
 322                 links[id].dpcm_playback = 1;
 323                 /* feedback stream or firmware-generated echo reference */
 324                 links[id].dpcm_capture = 1;
 325
 326                 links[id].no_pcm = 1;
 327                 links[id].cpus = &cpus[id];
 328                 links[id].num_cpus = 1;
 329                 links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
 330                                                           "SSP%d Pin",
 331                                                           ssp_amp);
 332                 if (!links[id].cpus->dai_name)
 333                         goto devm_err;
 334                 id++;
 335         }
 336
 337         /* BT audio offload */
 338         if (sof_nau8825_quirk & SOF_SSP_BT_OFFLOAD_PRESENT) {
 339                 int port = (sof_nau8825_quirk & SOF_BT_OFFLOAD_SSP_MASK) >>
 340                                 SOF_BT_OFFLOAD_SSP_SHIFT;
 341
 342                 links[id].id = id;
 343                 links[id].cpus = &cpus[id];
 344                 links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
 345                                                           "SSP%d Pin", port);
 346                 if (!links[id].cpus->dai_name)
 347                         goto devm_err;
 348                 links[id].name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-BT", port);
 349                 if (!links[id].name)
 350                         goto devm_err;
 351                 links[id].codecs = &snd_soc_dummy_dlc;
 352                 links[id].num_codecs = 1;
 353                 links[id].platforms = platform_component;
 354                 links[id].num_platforms = ARRAY_SIZE(platform_component);
 355                 links[id].dpcm_playback = 1;
 356                 links[id].dpcm_capture = 1;
 357                 links[id].no_pcm = 1;
 358                 links[id].num_cpus = 1;
 359         }
 360
 361         return links;
 362 devm_err:
 363         return NULL;
 364 }
 365
 366 static int sof_audio_probe(struct platform_device *pdev)
 367 {
 368         struct snd_soc_acpi_mach *mach = pdev->dev.platform_data;
 369         struct snd_soc_dai_link *dai_links;
 370         struct sof_card_private *ctx;
 371         int ret, ssp_amp, ssp_codec;
 372
 373         ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
 374         if (!ctx)
 375                 return -ENOMEM;
 376
 377         if (pdev->id_entry && pdev->id_entry->driver_data)
 378                 sof_nau8825_quirk = (unsigned long)pdev->id_entry->driver_data;
 379
 380         ctx->codec_type = sof_ssp_detect_codec_type(&pdev->dev);
 381         ctx->amp_type = sof_ssp_detect_amp_type(&pdev->dev);
 382
 383         dev_dbg(&pdev->dev, "sof_nau8825_quirk = %lx\n", sof_nau8825_quirk);
 384
 385         /* default number of DMIC DAI's */
 386         ctx->dmic_be_num = 2;
 387         ctx->hdmi_num = (sof_nau8825_quirk & SOF_NAU8825_NUM_HDMIDEV_MASK) >>
 388                         SOF_NAU8825_NUM_HDMIDEV_SHIFT;
 389         /* default number of HDMI DAI's */
 390         if (!ctx->hdmi_num)
 391                 ctx->hdmi_num = 3;
 392
 393         if (mach->mach_params.codec_mask & IDISP_CODEC_MASK)
 394                 ctx->hdmi.idisp_codec = true;
 395
 396         ssp_amp = (sof_nau8825_quirk & SOF_NAU8825_SSP_AMP_MASK) >>
 397                         SOF_NAU8825_SSP_AMP_SHIFT;
 398
 399         ssp_codec = sof_nau8825_quirk & SOF_NAU8825_SSP_CODEC_MASK;
 400
 401         /* compute number of dai links */
 402         sof_audio_card_nau8825.num_links = 1 + ctx->dmic_be_num + ctx->hdmi_num;
 403
 404         if (ctx->amp_type != CODEC_NONE)
 405                 sof_audio_card_nau8825.num_links++;
 406
 407         if (sof_nau8825_quirk & SOF_SSP_BT_OFFLOAD_PRESENT)
 408                 sof_audio_card_nau8825.num_links++;
 409
 410         dai_links = sof_card_dai_links_create(&pdev->dev, ctx->amp_type,
 411                                               ssp_codec, ssp_amp,
 412                                               ctx->dmic_be_num, ctx->hdmi_num,
 413                                               ctx->hdmi.idisp_codec);
 414         if (!dai_links)
 415                 return -ENOMEM;
 416
 417         sof_audio_card_nau8825.dai_link = dai_links;
 418
 419         /* update codec_conf */
 420         switch (ctx->amp_type) {
 421         case CODEC_MAX98373:
 422                 max_98373_set_codec_conf(&sof_audio_card_nau8825);
 423                 break;
 424         case CODEC_RT1015P:
 425                 sof_rt1015p_codec_conf(&sof_audio_card_nau8825);
 426                 break;
 427         case CODEC_NONE:
 428         case CODEC_MAX98360A:
 429         case CODEC_NAU8318:
 430         case CODEC_RT1019P:
 431                 /* no codec conf required */
 432                 break;
 433         default:
 434                 dev_err(&pdev->dev, "invalid amp type %d\n", ctx->amp_type);
 435                 return -EINVAL;
 436         }
 437
 438         sof_audio_card_nau8825.dev = &pdev->dev;
 439
 440         /* set platform name for each dailink */
 441         ret = snd_soc_fixup_dai_links_platform_name(&sof_audio_card_nau8825,
 442                                                     mach->mach_params.platform);
 443         if (ret)
 444                 return ret;
 445
 446         snd_soc_card_set_drvdata(&sof_audio_card_nau8825, ctx);
 447
 448         return devm_snd_soc_register_card(&pdev->dev,
 449                                           &sof_audio_card_nau8825);
 450 }
 451
 452 static const struct platform_device_id board_ids[] = {
 453         {
 454                 .name = "sof_nau8825",
 455                 .driver_data = (kernel_ulong_t)(SOF_NAU8825_SSP_CODEC(0) |
 456                                         SOF_NAU8825_NUM_HDMIDEV(4) |
 457                                         SOF_BT_OFFLOAD_SSP(2) |
 458                                         SOF_SSP_BT_OFFLOAD_PRESENT),
 459
 460         },
 461         {
 462                 .name = "adl_rt1019p_8825",
 463                 .driver_data = (kernel_ulong_t)(SOF_NAU8825_SSP_CODEC(0) |
 464                                         SOF_NAU8825_SSP_AMP(2) |
 465                                         SOF_NAU8825_NUM_HDMIDEV(4)),
 466         },
 467         {
 468                 .name = "adl_max98373_8825",
 469                 .driver_data = (kernel_ulong_t)(SOF_NAU8825_SSP_CODEC(0) |
 470                                         SOF_NAU8825_SSP_AMP(1) |
 471                                         SOF_NAU8825_NUM_HDMIDEV(4) |
 472                                         SOF_BT_OFFLOAD_SSP(2) |
 473                                         SOF_SSP_BT_OFFLOAD_PRESENT),
 474         },
 475         {
 476                 /* The limitation of length of char array, shorten the name */
 477                 .name = "adl_mx98360a_8825",
 478                 .driver_data = (kernel_ulong_t)(SOF_NAU8825_SSP_CODEC(0) |
 479                                         SOF_NAU8825_SSP_AMP(1) |
 480                                         SOF_NAU8825_NUM_HDMIDEV(4) |
 481                                         SOF_BT_OFFLOAD_SSP(2) |
 482                                         SOF_SSP_BT_OFFLOAD_PRESENT),
 483
 484         },
 485         {
 486                 .name = "adl_rt1015p_8825",
 487                 .driver_data = (kernel_ulong_t)(SOF_NAU8825_SSP_CODEC(0) |
 488                                         SOF_NAU8825_SSP_AMP(1) |
 489                                         SOF_NAU8825_NUM_HDMIDEV(4) |
 490                                         SOF_BT_OFFLOAD_SSP(2) |
 491                                         SOF_SSP_BT_OFFLOAD_PRESENT),
 492         },
 493         {
 494                 .name = "adl_nau8318_8825",
 495                 .driver_data = (kernel_ulong_t)(SOF_NAU8825_SSP_CODEC(0) |
 496                                         SOF_NAU8825_SSP_AMP(1) |
 497                                         SOF_NAU8825_NUM_HDMIDEV(4) |
 498                                         SOF_BT_OFFLOAD_SSP(2) |
 499                                         SOF_SSP_BT_OFFLOAD_PRESENT),
 500         },
 501         {
 502                 .name = "rpl_max98373_8825",
 503                 .driver_data = (kernel_ulong_t)(SOF_NAU8825_SSP_CODEC(0) |
 504                                         SOF_NAU8825_SSP_AMP(1) |
 505                                         SOF_NAU8825_NUM_HDMIDEV(4) |
 506                                         SOF_BT_OFFLOAD_SSP(2) |
 507                                         SOF_SSP_BT_OFFLOAD_PRESENT),
 508         },
 509         {
 510                 .name = "rpl_mx98360a_8825",
 511                 .driver_data = (kernel_ulong_t)(SOF_NAU8825_SSP_CODEC(0) |
 512                                         SOF_NAU8825_SSP_AMP(1) |
 513                                         SOF_NAU8825_NUM_HDMIDEV(4) |
 514                                         SOF_BT_OFFLOAD_SSP(2) |
 515                                         SOF_SSP_BT_OFFLOAD_PRESENT),
 516         },
 517         {
 518                 .name = "rpl_nau8318_8825",
 519                 .driver_data = (kernel_ulong_t)(SOF_NAU8825_SSP_CODEC(0) |
 520                                         SOF_NAU8825_SSP_AMP(1) |
 521                                         SOF_NAU8825_NUM_HDMIDEV(4) |
 522                                         SOF_BT_OFFLOAD_SSP(2) |
 523                                         SOF_SSP_BT_OFFLOAD_PRESENT),
 524         },
 525         { }
 526 };
 527 MODULE_DEVICE_TABLE(platform, board_ids);
 528
 529 static struct platform_driver sof_audio = {
 530         .probe = sof_audio_probe,
 531         .driver = {
 532                 .name = "sof_nau8825",
 533                 .pm = &snd_soc_pm_ops,
 534         },
 535         .id_table = board_ids,
 536 };
 537 module_platform_driver(sof_audio)
 538
 539 /* Module information */
 540 MODULE_DESCRIPTION("SOF Audio Machine driver for NAU8825");
 541 MODULE_AUTHOR("David Lin <ctlin0@nuvoton.com>");
 542 MODULE_AUTHOR("Mac Chiang <mac.chiang@intel.com>");
 543 MODULE_AUTHOR("Brent Lu <brent.lu@intel.com>");
 544 MODULE_LICENSE("GPL");
 545 MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_BOARD_HELPERS);
 546 MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_MAXIM_COMMON);
 547 MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_NUVOTON_COMMON);
 548 MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_REALTEK_COMMON);
 549 MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_SSP_COMMON);