Merge remote-tracking branch 'asoc/topic/intel' into asoc-next
[sfrench/cifs-2.6.git] / sound / soc / intel / boards / bxt_da7219_max98357a.c
1 /*
2  * Intel Broxton-P I2S Machine Driver
3  *
4  * Copyright (C) 2016, Intel Corporation. All rights reserved.
5  *
6  * Modified from:
7  *   Intel Skylake I2S Machine driver
8  *
9  * This program is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU General Public License version
11  * 2 as published by the Free Software Foundation.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  */
18
19 #include <linux/module.h>
20 #include <linux/platform_device.h>
21 #include <sound/core.h>
22 #include <sound/jack.h>
23 #include <sound/pcm.h>
24 #include <sound/pcm_params.h>
25 #include <sound/soc.h>
26 #include "../../codecs/hdac_hdmi.h"
27 #include "../../codecs/da7219.h"
28 #include "../../codecs/da7219-aad.h"
29
30 #define BXT_DIALOG_CODEC_DAI    "da7219-hifi"
31 #define BXT_MAXIM_CODEC_DAI     "HiFi"
32 #define DUAL_CHANNEL            2
33 #define QUAD_CHANNEL            4
34
35 static struct snd_soc_jack broxton_headset;
36 static struct snd_soc_jack broxton_hdmi[3];
37
38 struct bxt_hdmi_pcm {
39         struct list_head head;
40         struct snd_soc_dai *codec_dai;
41         int device;
42 };
43
44 struct bxt_card_private {
45         struct list_head hdmi_pcm_list;
46 };
47
48 enum {
49         BXT_DPCM_AUDIO_PB = 0,
50         BXT_DPCM_AUDIO_CP,
51         BXT_DPCM_AUDIO_REF_CP,
52         BXT_DPCM_AUDIO_DMIC_CP,
53         BXT_DPCM_AUDIO_HDMI1_PB,
54         BXT_DPCM_AUDIO_HDMI2_PB,
55         BXT_DPCM_AUDIO_HDMI3_PB,
56 };
57
58 static inline struct snd_soc_dai *bxt_get_codec_dai(struct snd_soc_card *card)
59 {
60         struct snd_soc_pcm_runtime *rtd;
61
62         list_for_each_entry(rtd, &card->rtd_list, list) {
63
64                 if (!strncmp(rtd->codec_dai->name, BXT_DIALOG_CODEC_DAI,
65                              strlen(BXT_DIALOG_CODEC_DAI)))
66                         return rtd->codec_dai;
67         }
68
69         return NULL;
70 }
71
72 static int platform_clock_control(struct snd_soc_dapm_widget *w,
73         struct snd_kcontrol *k, int  event)
74 {
75         int ret = 0;
76         struct snd_soc_dapm_context *dapm = w->dapm;
77         struct snd_soc_card *card = dapm->card;
78         struct snd_soc_dai *codec_dai;
79
80         codec_dai = bxt_get_codec_dai(card);
81         if (!codec_dai) {
82                 dev_err(card->dev, "Codec dai not found; Unable to set/unset codec pll\n");
83                 return -EIO;
84         }
85
86         if (SND_SOC_DAPM_EVENT_OFF(event)) {
87                 ret = snd_soc_dai_set_pll(codec_dai, 0,
88                         DA7219_SYSCLK_MCLK, 0, 0);
89                 if (ret)
90                         dev_err(card->dev, "failed to stop PLL: %d\n", ret);
91         } else if(SND_SOC_DAPM_EVENT_ON(event)) {
92                 ret = snd_soc_dai_set_pll(codec_dai, 0,
93                         DA7219_SYSCLK_PLL_SRM, 0, DA7219_PLL_FREQ_OUT_98304);
94                 if (ret)
95                         dev_err(card->dev, "failed to start PLL: %d\n", ret);
96         }
97
98         return ret;
99 }
100
101 static const struct snd_kcontrol_new broxton_controls[] = {
102         SOC_DAPM_PIN_SWITCH("Headphone Jack"),
103         SOC_DAPM_PIN_SWITCH("Headset Mic"),
104         SOC_DAPM_PIN_SWITCH("Spk"),
105 };
106
107 static const struct snd_soc_dapm_widget broxton_widgets[] = {
108         SND_SOC_DAPM_HP("Headphone Jack", NULL),
109         SND_SOC_DAPM_MIC("Headset Mic", NULL),
110         SND_SOC_DAPM_SPK("Spk", NULL),
111         SND_SOC_DAPM_MIC("SoC DMIC", NULL),
112         SND_SOC_DAPM_SPK("HDMI1", NULL),
113         SND_SOC_DAPM_SPK("HDMI2", NULL),
114         SND_SOC_DAPM_SPK("HDMI3", NULL),
115         SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
116                         platform_clock_control, SND_SOC_DAPM_POST_PMD|SND_SOC_DAPM_PRE_PMU),
117 };
118
119 static const struct snd_soc_dapm_route broxton_map[] = {
120         /* HP jack connectors - unknown if we have jack detection */
121         {"Headphone Jack", NULL, "HPL"},
122         {"Headphone Jack", NULL, "HPR"},
123
124         /* speaker */
125         {"Spk", NULL, "Speaker"},
126
127         /* other jacks */
128         {"MIC", NULL, "Headset Mic"},
129
130         /* digital mics */
131         {"DMic", NULL, "SoC DMIC"},
132
133         /* CODEC BE connections */
134         {"HiFi Playback", NULL, "ssp5 Tx"},
135         {"ssp5 Tx", NULL, "codec0_out"},
136
137         {"Playback", NULL, "ssp1 Tx"},
138         {"ssp1 Tx", NULL, "codec1_out"},
139
140         {"codec0_in", NULL, "ssp1 Rx"},
141         {"ssp1 Rx", NULL, "Capture"},
142
143         {"HDMI1", NULL, "hif5-0 Output"},
144         {"HDMI2", NULL, "hif6-0 Output"},
145         {"HDMI2", NULL, "hif7-0 Output"},
146
147         {"hifi3", NULL, "iDisp3 Tx"},
148         {"iDisp3 Tx", NULL, "iDisp3_out"},
149         {"hifi2", NULL, "iDisp2 Tx"},
150         {"iDisp2 Tx", NULL, "iDisp2_out"},
151         {"hifi1", NULL, "iDisp1 Tx"},
152         {"iDisp1 Tx", NULL, "iDisp1_out"},
153
154         /* DMIC */
155         {"dmic01_hifi", NULL, "DMIC01 Rx"},
156         {"DMIC01 Rx", NULL, "DMIC AIF"},
157
158         { "Headphone Jack", NULL, "Platform Clock" },
159         { "Headset Mic", NULL, "Platform Clock" },
160 };
161
162 static int broxton_ssp_fixup(struct snd_soc_pcm_runtime *rtd,
163                         struct snd_pcm_hw_params *params)
164 {
165         struct snd_interval *rate = hw_param_interval(params,
166                         SNDRV_PCM_HW_PARAM_RATE);
167         struct snd_interval *channels = hw_param_interval(params,
168                         SNDRV_PCM_HW_PARAM_CHANNELS);
169         struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
170
171         /* The ADSP will convert the FE rate to 48k, stereo */
172         rate->min = rate->max = 48000;
173         channels->min = channels->max = DUAL_CHANNEL;
174
175         /* set SSP to 24 bit */
176         snd_mask_none(fmt);
177         snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE);
178
179         return 0;
180 }
181
182 static int broxton_da7219_codec_init(struct snd_soc_pcm_runtime *rtd)
183 {
184         int ret;
185         struct snd_soc_dai *codec_dai = rtd->codec_dai;
186         struct snd_soc_codec *codec = rtd->codec;
187
188         /* Configure sysclk for codec */
189         ret = snd_soc_dai_set_sysclk(codec_dai, DA7219_CLKSRC_MCLK, 19200000,
190                                      SND_SOC_CLOCK_IN);
191         if (ret) {
192                 dev_err(rtd->dev, "can't set codec sysclk configuration\n");
193                 return ret;
194         }
195
196         /*
197          * Headset buttons map to the google Reference headset.
198          * These can be configured by userspace.
199          */
200         ret = snd_soc_card_jack_new(rtd->card, "Headset Jack",
201                         SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 |
202                         SND_JACK_BTN_2 | SND_JACK_BTN_3 | SND_JACK_LINEOUT,
203                         &broxton_headset, NULL, 0);
204         if (ret) {
205                 dev_err(rtd->dev, "Headset Jack creation failed: %d\n", ret);
206                 return ret;
207         }
208
209         da7219_aad_jack_det(codec, &broxton_headset);
210
211         snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
212
213         return ret;
214 }
215
216 static int broxton_hdmi_init(struct snd_soc_pcm_runtime *rtd)
217 {
218         struct bxt_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
219         struct snd_soc_dai *dai = rtd->codec_dai;
220         struct bxt_hdmi_pcm *pcm;
221
222         pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
223         if (!pcm)
224                 return -ENOMEM;
225
226         pcm->device = BXT_DPCM_AUDIO_HDMI1_PB + dai->id;
227         pcm->codec_dai = dai;
228
229         list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
230
231         return 0;
232 }
233
234 static int broxton_da7219_fe_init(struct snd_soc_pcm_runtime *rtd)
235 {
236         struct snd_soc_dapm_context *dapm;
237         struct snd_soc_component *component = rtd->cpu_dai->component;
238
239         dapm = snd_soc_component_get_dapm(component);
240         snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
241
242         return 0;
243 }
244
245 static const unsigned int rates[] = {
246         48000,
247 };
248
249 static const struct snd_pcm_hw_constraint_list constraints_rates = {
250         .count = ARRAY_SIZE(rates),
251         .list  = rates,
252         .mask = 0,
253 };
254
255 static const unsigned int channels[] = {
256         DUAL_CHANNEL,
257 };
258
259 static const struct snd_pcm_hw_constraint_list constraints_channels = {
260         .count = ARRAY_SIZE(channels),
261         .list = channels,
262         .mask = 0,
263 };
264
265 static const unsigned int channels_quad[] = {
266         QUAD_CHANNEL,
267 };
268
269 static const struct snd_pcm_hw_constraint_list constraints_channels_quad = {
270         .count = ARRAY_SIZE(channels_quad),
271         .list = channels_quad,
272         .mask = 0,
273 };
274
275 static int bxt_fe_startup(struct snd_pcm_substream *substream)
276 {
277         struct snd_pcm_runtime *runtime = substream->runtime;
278
279         /*
280          * On this platform for PCM device we support,
281          * 48Khz
282          * stereo
283          * 16 bit audio
284          */
285
286         runtime->hw.channels_max = DUAL_CHANNEL;
287         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
288                                            &constraints_channels);
289
290         runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
291         snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
292
293         snd_pcm_hw_constraint_list(runtime, 0,
294                                 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
295
296         return 0;
297 }
298
299 static const struct snd_soc_ops broxton_da7219_fe_ops = {
300         .startup = bxt_fe_startup,
301 };
302
303 static int broxton_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
304                         struct snd_pcm_hw_params *params)
305 {
306         struct snd_interval *channels = hw_param_interval(params,
307                                                 SNDRV_PCM_HW_PARAM_CHANNELS);
308         if (params_channels(params) == 2)
309                 channels->min = channels->max = 2;
310         else
311                 channels->min = channels->max = 4;
312
313         return 0;
314 }
315
316 static int broxton_dmic_startup(struct snd_pcm_substream *substream)
317 {
318         struct snd_pcm_runtime *runtime = substream->runtime;
319
320         runtime->hw.channels_min = runtime->hw.channels_max = QUAD_CHANNEL;
321         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
322                         &constraints_channels_quad);
323
324         return snd_pcm_hw_constraint_list(substream->runtime, 0,
325                         SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
326 }
327
328 static const struct snd_soc_ops broxton_dmic_ops = {
329         .startup = broxton_dmic_startup,
330 };
331
332 static const unsigned int rates_16000[] = {
333         16000,
334 };
335
336 static const struct snd_pcm_hw_constraint_list constraints_16000 = {
337         .count = ARRAY_SIZE(rates_16000),
338         .list  = rates_16000,
339 };
340
341 static int broxton_refcap_startup(struct snd_pcm_substream *substream)
342 {
343         return snd_pcm_hw_constraint_list(substream->runtime, 0,
344                         SNDRV_PCM_HW_PARAM_RATE,
345                         &constraints_16000);
346 };
347
348 static const struct snd_soc_ops broxton_refcap_ops = {
349         .startup = broxton_refcap_startup,
350 };
351
352 /* broxton digital audio interface glue - connects codec <--> CPU */
353 static struct snd_soc_dai_link broxton_dais[] = {
354         /* Front End DAI links */
355         [BXT_DPCM_AUDIO_PB] =
356         {
357                 .name = "Bxt Audio Port",
358                 .stream_name = "Audio",
359                 .cpu_dai_name = "System Pin",
360                 .platform_name = "0000:00:0e.0",
361                 .dynamic = 1,
362                 .codec_name = "snd-soc-dummy",
363                 .codec_dai_name = "snd-soc-dummy-dai",
364                 .nonatomic = 1,
365                 .init = broxton_da7219_fe_init,
366                 .trigger = {
367                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
368                 .dpcm_playback = 1,
369                 .ops = &broxton_da7219_fe_ops,
370         },
371         [BXT_DPCM_AUDIO_CP] =
372         {
373                 .name = "Bxt Audio Capture Port",
374                 .stream_name = "Audio Record",
375                 .cpu_dai_name = "System Pin",
376                 .platform_name = "0000:00:0e.0",
377                 .dynamic = 1,
378                 .codec_name = "snd-soc-dummy",
379                 .codec_dai_name = "snd-soc-dummy-dai",
380                 .nonatomic = 1,
381                 .trigger = {
382                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
383                 .dpcm_capture = 1,
384                 .ops = &broxton_da7219_fe_ops,
385         },
386         [BXT_DPCM_AUDIO_REF_CP] =
387         {
388                 .name = "Bxt Audio Reference cap",
389                 .stream_name = "Refcap",
390                 .cpu_dai_name = "Reference Pin",
391                 .codec_name = "snd-soc-dummy",
392                 .codec_dai_name = "snd-soc-dummy-dai",
393                 .platform_name = "0000:00:0e.0",
394                 .init = NULL,
395                 .dpcm_capture = 1,
396                 .nonatomic = 1,
397                 .dynamic = 1,
398                 .ops = &broxton_refcap_ops,
399         },
400         [BXT_DPCM_AUDIO_DMIC_CP] =
401         {
402                 .name = "Bxt Audio DMIC cap",
403                 .stream_name = "dmiccap",
404                 .cpu_dai_name = "DMIC Pin",
405                 .codec_name = "snd-soc-dummy",
406                 .codec_dai_name = "snd-soc-dummy-dai",
407                 .platform_name = "0000:00:0e.0",
408                 .init = NULL,
409                 .dpcm_capture = 1,
410                 .nonatomic = 1,
411                 .dynamic = 1,
412                 .ops = &broxton_dmic_ops,
413         },
414         [BXT_DPCM_AUDIO_HDMI1_PB] =
415         {
416                 .name = "Bxt HDMI Port1",
417                 .stream_name = "Hdmi1",
418                 .cpu_dai_name = "HDMI1 Pin",
419                 .codec_name = "snd-soc-dummy",
420                 .codec_dai_name = "snd-soc-dummy-dai",
421                 .platform_name = "0000:00:0e.0",
422                 .dpcm_playback = 1,
423                 .init = NULL,
424                 .nonatomic = 1,
425                 .dynamic = 1,
426         },
427         [BXT_DPCM_AUDIO_HDMI2_PB] =
428         {
429                 .name = "Bxt HDMI Port2",
430                 .stream_name = "Hdmi2",
431                 .cpu_dai_name = "HDMI2 Pin",
432                 .codec_name = "snd-soc-dummy",
433                 .codec_dai_name = "snd-soc-dummy-dai",
434                 .platform_name = "0000:00:0e.0",
435                 .dpcm_playback = 1,
436                 .init = NULL,
437                 .nonatomic = 1,
438                 .dynamic = 1,
439         },
440         [BXT_DPCM_AUDIO_HDMI3_PB] =
441         {
442                 .name = "Bxt HDMI Port3",
443                 .stream_name = "Hdmi3",
444                 .cpu_dai_name = "HDMI3 Pin",
445                 .codec_name = "snd-soc-dummy",
446                 .codec_dai_name = "snd-soc-dummy-dai",
447                 .platform_name = "0000:00:0e.0",
448                 .dpcm_playback = 1,
449                 .init = NULL,
450                 .nonatomic = 1,
451                 .dynamic = 1,
452         },
453         /* Back End DAI links */
454         {
455                 /* SSP5 - Codec */
456                 .name = "SSP5-Codec",
457                 .id = 0,
458                 .cpu_dai_name = "SSP5 Pin",
459                 .platform_name = "0000:00:0e.0",
460                 .no_pcm = 1,
461                 .codec_name = "MX98357A:00",
462                 .codec_dai_name = BXT_MAXIM_CODEC_DAI,
463                 .dai_fmt = SND_SOC_DAIFMT_I2S |
464                         SND_SOC_DAIFMT_NB_NF |
465                         SND_SOC_DAIFMT_CBS_CFS,
466                 .ignore_pmdown_time = 1,
467                 .be_hw_params_fixup = broxton_ssp_fixup,
468                 .dpcm_playback = 1,
469         },
470         {
471                 /* SSP1 - Codec */
472                 .name = "SSP1-Codec",
473                 .id = 1,
474                 .cpu_dai_name = "SSP1 Pin",
475                 .platform_name = "0000:00:0e.0",
476                 .no_pcm = 1,
477                 .codec_name = "i2c-DLGS7219:00",
478                 .codec_dai_name = BXT_DIALOG_CODEC_DAI,
479                 .init = broxton_da7219_codec_init,
480                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
481                         SND_SOC_DAIFMT_CBS_CFS,
482                 .ignore_pmdown_time = 1,
483                 .be_hw_params_fixup = broxton_ssp_fixup,
484                 .dpcm_playback = 1,
485                 .dpcm_capture = 1,
486         },
487         {
488                 .name = "dmic01",
489                 .id = 2,
490                 .cpu_dai_name = "DMIC01 Pin",
491                 .codec_name = "dmic-codec",
492                 .codec_dai_name = "dmic-hifi",
493                 .platform_name = "0000:00:0e.0",
494                 .ignore_suspend = 1,
495                 .be_hw_params_fixup = broxton_dmic_fixup,
496                 .dpcm_capture = 1,
497                 .no_pcm = 1,
498         },
499         {
500                 .name = "iDisp1",
501                 .id = 3,
502                 .cpu_dai_name = "iDisp1 Pin",
503                 .codec_name = "ehdaudio0D2",
504                 .codec_dai_name = "intel-hdmi-hifi1",
505                 .platform_name = "0000:00:0e.0",
506                 .init = broxton_hdmi_init,
507                 .dpcm_playback = 1,
508                 .no_pcm = 1,
509         },
510         {
511                 .name = "iDisp2",
512                 .id = 4,
513                 .cpu_dai_name = "iDisp2 Pin",
514                 .codec_name = "ehdaudio0D2",
515                 .codec_dai_name = "intel-hdmi-hifi2",
516                 .platform_name = "0000:00:0e.0",
517                 .init = broxton_hdmi_init,
518                 .dpcm_playback = 1,
519                 .no_pcm = 1,
520         },
521         {
522                 .name = "iDisp3",
523                 .id = 5,
524                 .cpu_dai_name = "iDisp3 Pin",
525                 .codec_name = "ehdaudio0D2",
526                 .codec_dai_name = "intel-hdmi-hifi3",
527                 .platform_name = "0000:00:0e.0",
528                 .init = broxton_hdmi_init,
529                 .dpcm_playback = 1,
530                 .no_pcm = 1,
531         },
532 };
533
534 #define NAME_SIZE       32
535 static int bxt_card_late_probe(struct snd_soc_card *card)
536 {
537         struct bxt_card_private *ctx = snd_soc_card_get_drvdata(card);
538         struct bxt_hdmi_pcm *pcm;
539         struct snd_soc_codec *codec = NULL;
540         int err, i = 0;
541         char jack_name[NAME_SIZE];
542
543         list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
544                 codec = pcm->codec_dai->codec;
545                 snprintf(jack_name, sizeof(jack_name),
546                         "HDMI/DP, pcm=%d Jack", pcm->device);
547                 err = snd_soc_card_jack_new(card, jack_name,
548                                         SND_JACK_AVOUT, &broxton_hdmi[i],
549                                         NULL, 0);
550
551                 if (err)
552                         return err;
553
554                 err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
555                                                 &broxton_hdmi[i]);
556                 if (err < 0)
557                         return err;
558
559                 i++;
560         }
561
562         if (!codec)
563                 return -EINVAL;
564
565         return hdac_hdmi_jack_port_init(codec, &card->dapm);
566 }
567
568 /* broxton audio machine driver for SPT + da7219 */
569 static struct snd_soc_card broxton_audio_card = {
570         .name = "bxtda7219max",
571         .owner = THIS_MODULE,
572         .dai_link = broxton_dais,
573         .num_links = ARRAY_SIZE(broxton_dais),
574         .controls = broxton_controls,
575         .num_controls = ARRAY_SIZE(broxton_controls),
576         .dapm_widgets = broxton_widgets,
577         .num_dapm_widgets = ARRAY_SIZE(broxton_widgets),
578         .dapm_routes = broxton_map,
579         .num_dapm_routes = ARRAY_SIZE(broxton_map),
580         .fully_routed = true,
581         .late_probe = bxt_card_late_probe,
582 };
583
584 static int broxton_audio_probe(struct platform_device *pdev)
585 {
586         struct bxt_card_private *ctx;
587
588         ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_ATOMIC);
589         if (!ctx)
590                 return -ENOMEM;
591
592         INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
593
594         broxton_audio_card.dev = &pdev->dev;
595         snd_soc_card_set_drvdata(&broxton_audio_card, ctx);
596
597         return devm_snd_soc_register_card(&pdev->dev, &broxton_audio_card);
598 }
599
600 static struct platform_driver broxton_audio = {
601         .probe = broxton_audio_probe,
602         .driver = {
603                 .name = "bxt_da7219_max98357a_i2s",
604                 .pm = &snd_soc_pm_ops,
605         },
606 };
607 module_platform_driver(broxton_audio)
608
609 /* Module information */
610 MODULE_DESCRIPTION("Audio Machine driver-DA7219 & MAX98357A in I2S mode");
611 MODULE_AUTHOR("Sathyanarayana Nujella <sathyanarayana.nujella@intel.com>");
612 MODULE_AUTHOR("Rohit Ainapure <rohit.m.ainapure@intel.com>");
613 MODULE_AUTHOR("Harsha Priya <harshapriya.n@intel.com>");
614 MODULE_AUTHOR("Conrad Cooke <conrad.cooke@intel.com>");
615 MODULE_LICENSE("GPL v2");
616 MODULE_ALIAS("platform:bxt_da7219_max98357a_i2s");