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12#include <linux/input.h>
13#include <linux/module.h>
14#include <linux/platform_device.h>
15#include <sound/core.h>
16#include <sound/jack.h>
17#include <sound/pcm.h>
18#include <sound/pcm_params.h>
19#include <sound/soc.h>
20#include "../../codecs/da7219.h"
21#include "../../codecs/hdac_hdmi.h"
22#include "../../codecs/da7219-aad.h"
23
24#define KBL_DIALOG_CODEC_DAI "da7219-hifi"
25#define KBL_MAXIM_CODEC_DAI "HiFi"
26#define MAXIM_DEV0_NAME "MX98357A:00"
27#define DUAL_CHANNEL 2
28#define QUAD_CHANNEL 4
29
30static struct snd_soc_card *kabylake_audio_card;
31static struct snd_soc_jack skylake_hdmi[3];
32
33struct kbl_hdmi_pcm {
34 struct list_head head;
35 struct snd_soc_dai *codec_dai;
36 int device;
37};
38
39struct kbl_codec_private {
40 struct snd_soc_jack kabylake_headset;
41 struct list_head hdmi_pcm_list;
42};
43
44enum {
45 KBL_DPCM_AUDIO_PB = 0,
46 KBL_DPCM_AUDIO_CP,
47 KBL_DPCM_AUDIO_DMIC_CP,
48 KBL_DPCM_AUDIO_HDMI1_PB,
49 KBL_DPCM_AUDIO_HDMI2_PB,
50 KBL_DPCM_AUDIO_HDMI3_PB,
51};
52
53static int platform_clock_control(struct snd_soc_dapm_widget *w,
54 struct snd_kcontrol *k, int event)
55{
56 struct snd_soc_dapm_context *dapm = w->dapm;
57 struct snd_soc_card *card = dapm->card;
58 struct snd_soc_dai *codec_dai;
59 int ret = 0;
60
61 codec_dai = snd_soc_card_get_codec_dai(card, KBL_DIALOG_CODEC_DAI);
62 if (!codec_dai) {
63 dev_err(card->dev, "Codec dai not found; Unable to set/unset codec pll\n");
64 return -EIO;
65 }
66
67 if (SND_SOC_DAPM_EVENT_OFF(event)) {
68 ret = snd_soc_dai_set_pll(codec_dai, 0,
69 DA7219_SYSCLK_MCLK, 0, 0);
70 if (ret)
71 dev_err(card->dev, "failed to stop PLL: %d\n", ret);
72 } else if (SND_SOC_DAPM_EVENT_ON(event)) {
73 ret = snd_soc_dai_set_pll(codec_dai, 0, DA7219_SYSCLK_PLL_SRM,
74 0, DA7219_PLL_FREQ_OUT_98304);
75 if (ret)
76 dev_err(card->dev, "failed to start PLL: %d\n", ret);
77 }
78
79 return ret;
80}
81
82static const struct snd_kcontrol_new kabylake_controls[] = {
83 SOC_DAPM_PIN_SWITCH("Headphone Jack"),
84 SOC_DAPM_PIN_SWITCH("Headset Mic"),
85 SOC_DAPM_PIN_SWITCH("Spk"),
86};
87
88static const struct snd_soc_dapm_widget kabylake_widgets[] = {
89 SND_SOC_DAPM_HP("Headphone Jack", NULL),
90 SND_SOC_DAPM_MIC("Headset Mic", NULL),
91 SND_SOC_DAPM_SPK("Spk", NULL),
92 SND_SOC_DAPM_MIC("SoC DMIC", NULL),
93 SND_SOC_DAPM_SPK("DP", NULL),
94 SND_SOC_DAPM_SPK("HDMI", NULL),
95 SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
96 platform_clock_control, SND_SOC_DAPM_PRE_PMU |
97 SND_SOC_DAPM_POST_PMD),
98};
99
100static const struct snd_soc_dapm_route kabylake_map[] = {
101 { "Headphone Jack", NULL, "HPL" },
102 { "Headphone Jack", NULL, "HPR" },
103
104
105 { "Spk", NULL, "Speaker" },
106
107
108 { "MIC", NULL, "Headset Mic" },
109 { "DMic", NULL, "SoC DMIC" },
110
111 { "HDMI", NULL, "hif5 Output" },
112 { "DP", NULL, "hif6 Output" },
113
114
115 { "HiFi Playback", NULL, "ssp0 Tx" },
116 { "ssp0 Tx", NULL, "codec0_out" },
117
118 { "Playback", NULL, "ssp1 Tx" },
119 { "ssp1 Tx", NULL, "codec1_out" },
120
121 { "codec0_in", NULL, "ssp1 Rx" },
122 { "ssp1 Rx", NULL, "Capture" },
123
124
125 { "dmic01_hifi", NULL, "DMIC01 Rx" },
126 { "DMIC01 Rx", NULL, "DMIC AIF" },
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 { "Headphone Jack", NULL, "Platform Clock" },
136 { "Headset Mic", NULL, "Platform Clock" },
137};
138
139static int kabylake_ssp_fixup(struct snd_soc_pcm_runtime *rtd,
140 struct snd_pcm_hw_params *params)
141{
142 struct snd_interval *rate = hw_param_interval(params,
143 SNDRV_PCM_HW_PARAM_RATE);
144 struct snd_interval *channels = hw_param_interval(params,
145 SNDRV_PCM_HW_PARAM_CHANNELS);
146 struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
147
148
149 rate->min = rate->max = 48000;
150 channels->min = channels->max = DUAL_CHANNEL;
151
152
153 snd_mask_none(fmt);
154 snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
155
156 return 0;
157}
158
159static int kabylake_da7219_codec_init(struct snd_soc_pcm_runtime *rtd)
160{
161 struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(rtd->card);
162 struct snd_soc_component *component = rtd->codec_dai->component;
163 struct snd_soc_dai *codec_dai = rtd->codec_dai;
164 struct snd_soc_jack *jack;
165 int ret;
166
167
168 ret = snd_soc_dai_set_sysclk(codec_dai, DA7219_CLKSRC_MCLK, 24576000,
169 SND_SOC_CLOCK_IN);
170 if (ret) {
171 dev_err(rtd->dev, "can't set codec sysclk configuration\n");
172 return ret;
173 }
174
175
176
177
178
179 ret = snd_soc_card_jack_new(kabylake_audio_card, "Headset Jack",
180 SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 |
181 SND_JACK_BTN_2 | SND_JACK_BTN_3 | SND_JACK_LINEOUT,
182 &ctx->kabylake_headset, NULL, 0);
183 if (ret) {
184 dev_err(rtd->dev, "Headset Jack creation failed: %d\n", ret);
185 return ret;
186 }
187
188 jack = &ctx->kabylake_headset;
189
190 snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
191 snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOLUMEUP);
192 snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN);
193 snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOICECOMMAND);
194 da7219_aad_jack_det(component, &ctx->kabylake_headset);
195
196 ret = snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
197 if (ret)
198 dev_err(rtd->dev, "SoC DMIC - Ignore suspend failed %d\n", ret);
199
200 return ret;
201}
202
203static int kabylake_hdmi_init(struct snd_soc_pcm_runtime *rtd, int device)
204{
205 struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(rtd->card);
206 struct snd_soc_dai *dai = rtd->codec_dai;
207 struct kbl_hdmi_pcm *pcm;
208
209 pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
210 if (!pcm)
211 return -ENOMEM;
212
213 pcm->device = device;
214 pcm->codec_dai = dai;
215
216 list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
217
218 return 0;
219}
220
221static int kabylake_hdmi1_init(struct snd_soc_pcm_runtime *rtd)
222{
223 return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI1_PB);
224}
225
226static int kabylake_hdmi2_init(struct snd_soc_pcm_runtime *rtd)
227{
228 return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI2_PB);
229}
230
231static int kabylake_hdmi3_init(struct snd_soc_pcm_runtime *rtd)
232{
233 return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI3_PB);
234}
235
236static int kabylake_da7219_fe_init(struct snd_soc_pcm_runtime *rtd)
237{
238 struct snd_soc_dapm_context *dapm;
239 struct snd_soc_component *component = rtd->cpu_dai->component;
240
241 dapm = snd_soc_component_get_dapm(component);
242 snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
243
244 return 0;
245}
246
247static const unsigned int rates[] = {
248 48000,
249};
250
251static const struct snd_pcm_hw_constraint_list constraints_rates = {
252 .count = ARRAY_SIZE(rates),
253 .list = rates,
254 .mask = 0,
255};
256
257static const unsigned int channels[] = {
258 DUAL_CHANNEL,
259};
260
261static const struct snd_pcm_hw_constraint_list constraints_channels = {
262 .count = ARRAY_SIZE(channels),
263 .list = channels,
264 .mask = 0,
265};
266
267static unsigned int channels_quad[] = {
268 QUAD_CHANNEL,
269};
270
271static struct snd_pcm_hw_constraint_list constraints_channels_quad = {
272 .count = ARRAY_SIZE(channels_quad),
273 .list = channels_quad,
274 .mask = 0,
275};
276
277static int kbl_fe_startup(struct snd_pcm_substream *substream)
278{
279 struct snd_pcm_runtime *runtime = substream->runtime;
280
281
282
283
284
285
286
287
288 runtime->hw.channels_max = DUAL_CHANNEL;
289 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
290 &constraints_channels);
291
292 runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
293 snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
294
295 snd_pcm_hw_constraint_list(runtime, 0,
296 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
297
298 return 0;
299}
300
301static const struct snd_soc_ops kabylake_da7219_fe_ops = {
302 .startup = kbl_fe_startup,
303};
304
305static int kabylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
306 struct snd_pcm_hw_params *params)
307{
308 struct snd_interval *channels = hw_param_interval(params,
309 SNDRV_PCM_HW_PARAM_CHANNELS);
310
311
312
313
314
315 if (params_channels(params) == 2)
316 channels->min = channels->max = 2;
317 else
318 channels->min = channels->max = 4;
319
320 return 0;
321}
322
323static int kabylake_dmic_startup(struct snd_pcm_substream *substream)
324{
325 struct snd_pcm_runtime *runtime = substream->runtime;
326
327 runtime->hw.channels_min = runtime->hw.channels_max = QUAD_CHANNEL;
328 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
329 &constraints_channels_quad);
330
331 return snd_pcm_hw_constraint_list(substream->runtime, 0,
332 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
333}
334
335static struct snd_soc_ops kabylake_dmic_ops = {
336 .startup = kabylake_dmic_startup,
337};
338
339static const unsigned int rates_16000[] = {
340 16000,
341};
342
343static const struct snd_pcm_hw_constraint_list constraints_16000 = {
344 .count = ARRAY_SIZE(rates_16000),
345 .list = rates_16000,
346};
347
348static const unsigned int ch_mono[] = {
349 1,
350};
351
352SND_SOC_DAILINK_DEF(dummy,
353 DAILINK_COMP_ARRAY(COMP_DUMMY()));
354
355SND_SOC_DAILINK_DEF(system,
356 DAILINK_COMP_ARRAY(COMP_CPU("System Pin")));
357
358SND_SOC_DAILINK_DEF(dmic,
359 DAILINK_COMP_ARRAY(COMP_CPU("DMIC Pin")));
360
361SND_SOC_DAILINK_DEF(hdmi1,
362 DAILINK_COMP_ARRAY(COMP_CPU("HDMI1 Pin")));
363
364SND_SOC_DAILINK_DEF(hdmi2,
365 DAILINK_COMP_ARRAY(COMP_CPU("HDMI2 Pin")));
366
367SND_SOC_DAILINK_DEF(hdmi3,
368 DAILINK_COMP_ARRAY(COMP_CPU("HDMI3 Pin")));
369
370SND_SOC_DAILINK_DEF(ssp0_pin,
371 DAILINK_COMP_ARRAY(COMP_CPU("SSP0 Pin")));
372SND_SOC_DAILINK_DEF(ssp0_codec,
373 DAILINK_COMP_ARRAY(COMP_CODEC(MAXIM_DEV0_NAME,
374 KBL_MAXIM_CODEC_DAI)));
375
376SND_SOC_DAILINK_DEF(ssp1_pin,
377 DAILINK_COMP_ARRAY(COMP_CPU("SSP1 Pin")));
378SND_SOC_DAILINK_DEF(ssp1_codec,
379 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-DLGS7219:00",
380 KBL_DIALOG_CODEC_DAI)));
381
382SND_SOC_DAILINK_DEF(dmic_pin,
383 DAILINK_COMP_ARRAY(COMP_CPU("DMIC01 Pin")));
384SND_SOC_DAILINK_DEF(dmic_codec,
385 DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec", "dmic-hifi")));
386
387SND_SOC_DAILINK_DEF(idisp1_pin,
388 DAILINK_COMP_ARRAY(COMP_CPU("iDisp1 Pin")));
389SND_SOC_DAILINK_DEF(idisp1_codec,
390 DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2",
391 "intel-hdmi-hifi1")));
392
393SND_SOC_DAILINK_DEF(idisp2_pin,
394 DAILINK_COMP_ARRAY(COMP_CPU("iDisp2 Pin")));
395SND_SOC_DAILINK_DEF(idisp2_codec,
396 DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi2")));
397
398SND_SOC_DAILINK_DEF(idisp3_pin,
399 DAILINK_COMP_ARRAY(COMP_CPU("iDisp3 Pin")));
400SND_SOC_DAILINK_DEF(idisp3_codec,
401 DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi3")));
402
403SND_SOC_DAILINK_DEF(platform,
404 DAILINK_COMP_ARRAY(COMP_PLATFORM("0000:00:1f.3")));
405
406
407static struct snd_soc_dai_link kabylake_dais[] = {
408
409 [KBL_DPCM_AUDIO_PB] = {
410 .name = "Kbl Audio Port",
411 .stream_name = "Audio",
412 .dynamic = 1,
413 .nonatomic = 1,
414 .init = kabylake_da7219_fe_init,
415 .trigger = {
416 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
417 .dpcm_playback = 1,
418 .ops = &kabylake_da7219_fe_ops,
419 SND_SOC_DAILINK_REG(system, dummy, platform),
420 },
421 [KBL_DPCM_AUDIO_CP] = {
422 .name = "Kbl Audio Capture Port",
423 .stream_name = "Audio Record",
424 .dynamic = 1,
425 .nonatomic = 1,
426 .trigger = {
427 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
428 .dpcm_capture = 1,
429 .ops = &kabylake_da7219_fe_ops,
430 SND_SOC_DAILINK_REG(system, dummy, platform),
431 },
432 [KBL_DPCM_AUDIO_DMIC_CP] = {
433 .name = "Kbl Audio DMIC cap",
434 .stream_name = "dmiccap",
435 .init = NULL,
436 .dpcm_capture = 1,
437 .nonatomic = 1,
438 .dynamic = 1,
439 .ops = &kabylake_dmic_ops,
440 SND_SOC_DAILINK_REG(dmic, dummy, platform),
441 },
442 [KBL_DPCM_AUDIO_HDMI1_PB] = {
443 .name = "Kbl HDMI Port1",
444 .stream_name = "Hdmi1",
445 .dpcm_playback = 1,
446 .init = NULL,
447 .trigger = {
448 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
449 .nonatomic = 1,
450 .dynamic = 1,
451 SND_SOC_DAILINK_REG(hdmi1, dummy, platform),
452 },
453 [KBL_DPCM_AUDIO_HDMI2_PB] = {
454 .name = "Kbl HDMI Port2",
455 .stream_name = "Hdmi2",
456 .dpcm_playback = 1,
457 .init = NULL,
458 .trigger = {
459 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
460 .nonatomic = 1,
461 .dynamic = 1,
462 SND_SOC_DAILINK_REG(hdmi2, dummy, platform),
463 },
464 [KBL_DPCM_AUDIO_HDMI3_PB] = {
465 .name = "Kbl HDMI Port3",
466 .stream_name = "Hdmi3",
467 .trigger = {
468 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
469 .dpcm_playback = 1,
470 .init = NULL,
471 .nonatomic = 1,
472 .dynamic = 1,
473 SND_SOC_DAILINK_REG(hdmi3, dummy, platform),
474 },
475
476
477 {
478
479 .name = "SSP0-Codec",
480 .id = 0,
481 .no_pcm = 1,
482 .dai_fmt = SND_SOC_DAIFMT_I2S |
483 SND_SOC_DAIFMT_NB_NF |
484 SND_SOC_DAIFMT_CBS_CFS,
485 .ignore_pmdown_time = 1,
486 .be_hw_params_fixup = kabylake_ssp_fixup,
487 .dpcm_playback = 1,
488 SND_SOC_DAILINK_REG(ssp0_pin, ssp0_codec, platform),
489 },
490 {
491
492 .name = "SSP1-Codec",
493 .id = 1,
494 .no_pcm = 1,
495 .init = kabylake_da7219_codec_init,
496 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
497 SND_SOC_DAIFMT_CBS_CFS,
498 .ignore_pmdown_time = 1,
499 .be_hw_params_fixup = kabylake_ssp_fixup,
500 .dpcm_playback = 1,
501 .dpcm_capture = 1,
502 SND_SOC_DAILINK_REG(ssp1_pin, ssp1_codec, platform),
503 },
504 {
505 .name = "dmic01",
506 .id = 2,
507 .be_hw_params_fixup = kabylake_dmic_fixup,
508 .ignore_suspend = 1,
509 .dpcm_capture = 1,
510 .no_pcm = 1,
511 SND_SOC_DAILINK_REG(dmic_pin, dmic_codec, platform),
512 },
513 {
514 .name = "iDisp1",
515 .id = 3,
516 .dpcm_playback = 1,
517 .init = kabylake_hdmi1_init,
518 .no_pcm = 1,
519 SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform),
520 },
521 {
522 .name = "iDisp2",
523 .id = 4,
524 .init = kabylake_hdmi2_init,
525 .dpcm_playback = 1,
526 .no_pcm = 1,
527 SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform),
528 },
529 {
530 .name = "iDisp3",
531 .id = 5,
532 .init = kabylake_hdmi3_init,
533 .dpcm_playback = 1,
534 .no_pcm = 1,
535 SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform),
536 },
537};
538
539#define NAME_SIZE 32
540static int kabylake_card_late_probe(struct snd_soc_card *card)
541{
542 struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(card);
543 struct kbl_hdmi_pcm *pcm;
544 struct snd_soc_component *component = NULL;
545 int err, i = 0;
546 char jack_name[NAME_SIZE];
547
548 list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
549 component = pcm->codec_dai->component;
550 snprintf(jack_name, sizeof(jack_name),
551 "HDMI/DP, pcm=%d Jack", pcm->device);
552 err = snd_soc_card_jack_new(card, jack_name,
553 SND_JACK_AVOUT, &skylake_hdmi[i],
554 NULL, 0);
555
556 if (err)
557 return err;
558
559 err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
560 &skylake_hdmi[i]);
561 if (err < 0)
562 return err;
563
564 i++;
565
566 }
567
568 if (!component)
569 return -EINVAL;
570
571 return hdac_hdmi_jack_port_init(component, &card->dapm);
572}
573
574
575static struct snd_soc_card kabylake_audio_card_da7219_m98357a = {
576 .name = "kblda7219max",
577 .owner = THIS_MODULE,
578 .dai_link = kabylake_dais,
579 .num_links = ARRAY_SIZE(kabylake_dais),
580 .controls = kabylake_controls,
581 .num_controls = ARRAY_SIZE(kabylake_controls),
582 .dapm_widgets = kabylake_widgets,
583 .num_dapm_widgets = ARRAY_SIZE(kabylake_widgets),
584 .dapm_routes = kabylake_map,
585 .num_dapm_routes = ARRAY_SIZE(kabylake_map),
586 .fully_routed = true,
587 .late_probe = kabylake_card_late_probe,
588};
589
590static int kabylake_audio_probe(struct platform_device *pdev)
591{
592 struct kbl_codec_private *ctx;
593
594 ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
595 if (!ctx)
596 return -ENOMEM;
597
598 INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
599
600 kabylake_audio_card =
601 (struct snd_soc_card *)pdev->id_entry->driver_data;
602
603 kabylake_audio_card->dev = &pdev->dev;
604 snd_soc_card_set_drvdata(kabylake_audio_card, ctx);
605 return devm_snd_soc_register_card(&pdev->dev, kabylake_audio_card);
606}
607
608static const struct platform_device_id kbl_board_ids[] = {
609 {
610 .name = "kbl_da7219_max98357a",
611 .driver_data =
612 (kernel_ulong_t)&kabylake_audio_card_da7219_m98357a,
613 },
614 { }
615};
616
617static struct platform_driver kabylake_audio = {
618 .probe = kabylake_audio_probe,
619 .driver = {
620 .name = "kbl_da7219_max98357a",
621 .pm = &snd_soc_pm_ops,
622 },
623 .id_table = kbl_board_ids,
624};
625
626module_platform_driver(kabylake_audio)
627
628
629MODULE_DESCRIPTION("Audio Machine driver-DA7219 & MAX98357A in I2S mode");
630MODULE_AUTHOR("Naveen Manohar <naveen.m@intel.com>");
631MODULE_LICENSE("GPL v2");
632MODULE_ALIAS("platform:kbl_da7219_max98357a");
633
