1 // SPDX-License-Identifier: GPL-2.0-only
2 // Copyright(c) 2018 Intel Corporation.
3
4 /*
5 * Intel Kabylake I2S Machine Driver with MAX98927, MAX98373 & DA7219 Codecs
6 *
7 * Modified from:
8 * Intel Kabylake I2S Machine driver supporting MAX98927 and
9 * RT5663 codecs
10 */
11
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 MAX98927_CODEC_DAI "max98927-aif1"
26 #define MAX98927_DEV0_NAME "i2c-MX98927:00"
27 #define MAX98927_DEV1_NAME "i2c-MX98927:01"
28
29 #define MAX98373_CODEC_DAI "max98373-aif1"
30 #define MAX98373_DEV0_NAME "i2c-MX98373:00"
31 #define MAX98373_DEV1_NAME "i2c-MX98373:01"
32
33
34 #define DUAL_CHANNEL 2
35 #define QUAD_CHANNEL 4
36 #define NAME_SIZE 32
37
38 static struct snd_soc_card *kabylake_audio_card;
39 static struct snd_soc_jack kabylake_hdmi[3];
40
41 struct kbl_hdmi_pcm {
42 struct list_head head;
43 struct snd_soc_dai *codec_dai;
44 int device;
45 };
46
47 struct kbl_codec_private {
48 struct snd_soc_jack kabylake_headset;
49 struct list_head hdmi_pcm_list;
50 };
51
52 enum {
53 KBL_DPCM_AUDIO_PB = 0,
54 KBL_DPCM_AUDIO_ECHO_REF_CP,
55 KBL_DPCM_AUDIO_REF_CP,
56 KBL_DPCM_AUDIO_DMIC_CP,
57 KBL_DPCM_AUDIO_HDMI1_PB,
58 KBL_DPCM_AUDIO_HDMI2_PB,
59 KBL_DPCM_AUDIO_HDMI3_PB,
60 KBL_DPCM_AUDIO_HS_PB,
61 KBL_DPCM_AUDIO_CP,
62 };
63
platform_clock_control(struct snd_soc_dapm_widget * w,struct snd_kcontrol * k,int event)64 static int platform_clock_control(struct snd_soc_dapm_widget *w,
65 struct snd_kcontrol *k, int event)
66 {
67 struct snd_soc_dapm_context *dapm = w->dapm;
68 struct snd_soc_card *card = dapm->card;
69 struct snd_soc_dai *codec_dai;
70 int ret = 0;
71
72 codec_dai = snd_soc_card_get_codec_dai(card, KBL_DIALOG_CODEC_DAI);
73 if (!codec_dai) {
74 dev_err(card->dev, "Codec dai not found; Unable to set/unset codec pll\n");
75 return -EIO;
76 }
77
78 /* Configure sysclk for codec */
79 ret = snd_soc_dai_set_sysclk(codec_dai, DA7219_CLKSRC_MCLK, 24576000,
80 SND_SOC_CLOCK_IN);
81 if (ret) {
82 dev_err(card->dev, "can't set codec sysclk configuration\n");
83 return ret;
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, DA7219_SYSCLK_PLL_SRM,
93 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 kabylake_controls[] = {
102 SOC_DAPM_PIN_SWITCH("Headphone Jack"),
103 SOC_DAPM_PIN_SWITCH("Headset Mic"),
104 SOC_DAPM_PIN_SWITCH("Left Spk"),
105 SOC_DAPM_PIN_SWITCH("Right Spk"),
106 };
107
108 static const struct snd_soc_dapm_widget kabylake_widgets[] = {
109 SND_SOC_DAPM_HP("Headphone Jack", NULL),
110 SND_SOC_DAPM_MIC("Headset Mic", NULL),
111 SND_SOC_DAPM_SPK("Left Spk", NULL),
112 SND_SOC_DAPM_SPK("Right Spk", NULL),
113 SND_SOC_DAPM_MIC("SoC DMIC", NULL),
114 SND_SOC_DAPM_SPK("DP", NULL),
115 SND_SOC_DAPM_SPK("HDMI", NULL),
116 SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
117 platform_clock_control, SND_SOC_DAPM_PRE_PMU |
118 SND_SOC_DAPM_POST_PMD),
119 };
120
121 static const struct snd_soc_dapm_route kabylake_map[] = {
122 /* speaker */
123 { "Left Spk", NULL, "Left BE_OUT" },
124 { "Right Spk", NULL, "Right BE_OUT" },
125
126 /* other jacks */
127 { "DMic", NULL, "SoC DMIC" },
128
129 { "HDMI", NULL, "hif5 Output" },
130 { "DP", NULL, "hif6 Output" },
131
132 /* CODEC BE connections */
133 { "Left HiFi Playback", NULL, "ssp0 Tx" },
134 { "Right HiFi Playback", NULL, "ssp0 Tx" },
135 { "ssp0 Tx", NULL, "spk_out" },
136
137 /* IV feedback path */
138 { "codec0_fb_in", NULL, "ssp0 Rx"},
139 { "ssp0 Rx", NULL, "Left HiFi Capture" },
140 { "ssp0 Rx", NULL, "Right HiFi Capture" },
141
142 /* AEC capture path */
143 { "echo_ref_out", NULL, "ssp0 Rx" },
144
145 /* DMIC */
146 { "dmic01_hifi", NULL, "DMIC01 Rx" },
147 { "DMIC01 Rx", NULL, "DMIC AIF" },
148
149 { "hifi1", NULL, "iDisp1 Tx" },
150 { "iDisp1 Tx", NULL, "iDisp1_out" },
151 { "hifi2", NULL, "iDisp2 Tx" },
152 { "iDisp2 Tx", NULL, "iDisp2_out" },
153 { "hifi3", NULL, "iDisp3 Tx"},
154 { "iDisp3 Tx", NULL, "iDisp3_out"},
155 };
156
157 static const struct snd_soc_dapm_route kabylake_ssp1_map[] = {
158 { "Headphone Jack", NULL, "HPL" },
159 { "Headphone Jack", NULL, "HPR" },
160
161 /* other jacks */
162 { "MIC", NULL, "Headset Mic" },
163
164 /* CODEC BE connections */
165 { "Playback", NULL, "ssp1 Tx" },
166 { "ssp1 Tx", NULL, "codec1_out" },
167
168 { "hs_in", NULL, "ssp1 Rx" },
169 { "ssp1 Rx", NULL, "Capture" },
170
171 { "Headphone Jack", NULL, "Platform Clock" },
172 { "Headset Mic", NULL, "Platform Clock" },
173 };
174
kabylake_ssp0_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)175 static int kabylake_ssp0_hw_params(struct snd_pcm_substream *substream,
176 struct snd_pcm_hw_params *params)
177 {
178 struct snd_soc_pcm_runtime *runtime = asoc_substream_to_rtd(substream);
179 struct snd_soc_dai *codec_dai;
180 int ret, j;
181
182 for_each_rtd_codec_dais(runtime, j, codec_dai) {
183
184 if (!strcmp(codec_dai->component->name, MAX98927_DEV0_NAME)) {
185 ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x30, 3, 8, 16);
186 if (ret < 0) {
187 dev_err(runtime->dev, "DEV0 TDM slot err:%d\n", ret);
188 return ret;
189 }
190 }
191 if (!strcmp(codec_dai->component->name, MAX98927_DEV1_NAME)) {
192 ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xC0, 3, 8, 16);
193 if (ret < 0) {
194 dev_err(runtime->dev, "DEV1 TDM slot err:%d\n", ret);
195 return ret;
196 }
197 }
198 if (!strcmp(codec_dai->component->name, MAX98373_DEV0_NAME)) {
199 ret = snd_soc_dai_set_tdm_slot(codec_dai,
200 0x30, 3, 8, 16);
201 if (ret < 0) {
202 dev_err(runtime->dev,
203 "DEV0 TDM slot err:%d\n", ret);
204 return ret;
205 }
206 }
207 if (!strcmp(codec_dai->component->name, MAX98373_DEV1_NAME)) {
208 ret = snd_soc_dai_set_tdm_slot(codec_dai,
209 0xC0, 3, 8, 16);
210 if (ret < 0) {
211 dev_err(runtime->dev,
212 "DEV1 TDM slot err:%d\n", ret);
213 return ret;
214 }
215 }
216 }
217
218 return 0;
219 }
220
kabylake_ssp0_trigger(struct snd_pcm_substream * substream,int cmd)221 static int kabylake_ssp0_trigger(struct snd_pcm_substream *substream, int cmd)
222 {
223 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
224 struct snd_soc_dai *codec_dai;
225 int j, ret;
226
227 for_each_rtd_codec_dais(rtd, j, codec_dai) {
228 const char *name = codec_dai->component->name;
229 struct snd_soc_component *component = codec_dai->component;
230 struct snd_soc_dapm_context *dapm =
231 snd_soc_component_get_dapm(component);
232 char pin_name[20];
233
234 if (strcmp(name, MAX98927_DEV0_NAME) &&
235 strcmp(name, MAX98927_DEV1_NAME) &&
236 strcmp(name, MAX98373_DEV0_NAME) &&
237 strcmp(name, MAX98373_DEV1_NAME))
238 continue;
239
240 snprintf(pin_name, ARRAY_SIZE(pin_name), "%s Spk",
241 codec_dai->component->name_prefix);
242
243 switch (cmd) {
244 case SNDRV_PCM_TRIGGER_START:
245 case SNDRV_PCM_TRIGGER_RESUME:
246 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
247 ret = snd_soc_dapm_enable_pin(dapm, pin_name);
248 if (ret) {
249 dev_err(rtd->dev, "failed to enable %s: %d\n",
250 pin_name, ret);
251 return ret;
252 }
253 snd_soc_dapm_sync(dapm);
254 break;
255 case SNDRV_PCM_TRIGGER_STOP:
256 case SNDRV_PCM_TRIGGER_SUSPEND:
257 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
258 ret = snd_soc_dapm_disable_pin(dapm, pin_name);
259 if (ret) {
260 dev_err(rtd->dev, "failed to disable %s: %d\n",
261 pin_name, ret);
262 return ret;
263 }
264 snd_soc_dapm_sync(dapm);
265 break;
266 }
267 }
268
269 return 0;
270 }
271
272 static struct snd_soc_ops kabylake_ssp0_ops = {
273 .hw_params = kabylake_ssp0_hw_params,
274 .trigger = kabylake_ssp0_trigger,
275 };
276
kabylake_ssp_fixup(struct snd_soc_pcm_runtime * rtd,struct snd_pcm_hw_params * params)277 static int kabylake_ssp_fixup(struct snd_soc_pcm_runtime *rtd,
278 struct snd_pcm_hw_params *params)
279 {
280 struct snd_interval *rate = hw_param_interval(params,
281 SNDRV_PCM_HW_PARAM_RATE);
282 struct snd_interval *chan = hw_param_interval(params,
283 SNDRV_PCM_HW_PARAM_CHANNELS);
284 struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
285 struct snd_soc_dpcm *dpcm, *rtd_dpcm = NULL;
286
287 /*
288 * The following loop will be called only for playback stream
289 * In this platform, there is only one playback device on every SSP
290 */
291 for_each_dpcm_fe(rtd, SNDRV_PCM_STREAM_PLAYBACK, dpcm) {
292 rtd_dpcm = dpcm;
293 break;
294 }
295
296 /*
297 * This following loop will be called only for capture stream
298 * In this platform, there is only one capture device on every SSP
299 */
300 for_each_dpcm_fe(rtd, SNDRV_PCM_STREAM_CAPTURE, dpcm) {
301 rtd_dpcm = dpcm;
302 break;
303 }
304
305 if (!rtd_dpcm)
306 return -EINVAL;
307
308 /*
309 * The above 2 loops are mutually exclusive based on the stream direction,
310 * thus rtd_dpcm variable will never be overwritten
311 */
312
313 /*
314 * The ADSP will convert the FE rate to 48k, stereo, 24 bit
315 */
316 if (!strcmp(rtd_dpcm->fe->dai_link->name, "Kbl Audio Port") ||
317 !strcmp(rtd_dpcm->fe->dai_link->name, "Kbl Audio Headset Playback") ||
318 !strcmp(rtd_dpcm->fe->dai_link->name, "Kbl Audio Capture Port")) {
319 rate->min = rate->max = 48000;
320 chan->min = chan->max = 2;
321 snd_mask_none(fmt);
322 snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
323 }
324
325 /*
326 * The speaker on the SSP0 supports S16_LE and not S24_LE.
327 * thus changing the mask here
328 */
329 if (!strcmp(rtd_dpcm->be->dai_link->name, "SSP0-Codec"))
330 snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S16_LE);
331
332 return 0;
333 }
334
kabylake_da7219_codec_init(struct snd_soc_pcm_runtime * rtd)335 static int kabylake_da7219_codec_init(struct snd_soc_pcm_runtime *rtd)
336 {
337 struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(rtd->card);
338 struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
339 struct snd_soc_jack *jack;
340 struct snd_soc_card *card = rtd->card;
341 int ret;
342
343
344 ret = snd_soc_dapm_add_routes(&card->dapm,
345 kabylake_ssp1_map,
346 ARRAY_SIZE(kabylake_ssp1_map));
347
348 if (ret)
349 return ret;
350
351 /*
352 * Headset buttons map to the google Reference headset.
353 * These can be configured by userspace.
354 */
355 ret = snd_soc_card_jack_new(kabylake_audio_card, "Headset Jack",
356 SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 |
357 SND_JACK_BTN_2 | SND_JACK_BTN_3 | SND_JACK_LINEOUT,
358 &ctx->kabylake_headset, NULL, 0);
359 if (ret) {
360 dev_err(rtd->dev, "Headset Jack creation failed: %d\n", ret);
361 return ret;
362 }
363
364 jack = &ctx->kabylake_headset;
365 snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
366 snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOLUMEUP);
367 snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN);
368 snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOICECOMMAND);
369
370 da7219_aad_jack_det(component, &ctx->kabylake_headset);
371
372 return 0;
373 }
374
kabylake_dmic_init(struct snd_soc_pcm_runtime * rtd)375 static int kabylake_dmic_init(struct snd_soc_pcm_runtime *rtd)
376 {
377 int ret;
378 ret = snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
379 if (ret)
380 dev_err(rtd->dev, "SoC DMIC - Ignore suspend failed %d\n", ret);
381
382 return ret;
383 }
384
kabylake_hdmi_init(struct snd_soc_pcm_runtime * rtd,int device)385 static int kabylake_hdmi_init(struct snd_soc_pcm_runtime *rtd, int device)
386 {
387 struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(rtd->card);
388 struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0);
389 struct kbl_hdmi_pcm *pcm;
390
391 pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
392 if (!pcm)
393 return -ENOMEM;
394
395 pcm->device = device;
396 pcm->codec_dai = dai;
397
398 list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
399
400 return 0;
401 }
402
kabylake_hdmi1_init(struct snd_soc_pcm_runtime * rtd)403 static int kabylake_hdmi1_init(struct snd_soc_pcm_runtime *rtd)
404 {
405 return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI1_PB);
406 }
407
kabylake_hdmi2_init(struct snd_soc_pcm_runtime * rtd)408 static int kabylake_hdmi2_init(struct snd_soc_pcm_runtime *rtd)
409 {
410 return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI2_PB);
411 }
412
kabylake_hdmi3_init(struct snd_soc_pcm_runtime * rtd)413 static int kabylake_hdmi3_init(struct snd_soc_pcm_runtime *rtd)
414 {
415 return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI3_PB);
416 }
417
kabylake_da7219_fe_init(struct snd_soc_pcm_runtime * rtd)418 static int kabylake_da7219_fe_init(struct snd_soc_pcm_runtime *rtd)
419 {
420 struct snd_soc_dapm_context *dapm;
421 struct snd_soc_component *component = asoc_rtd_to_cpu(rtd, 0)->component;
422
423 dapm = snd_soc_component_get_dapm(component);
424 snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
425
426 return 0;
427 }
428
429 static const unsigned int rates[] = {
430 48000,
431 };
432
433 static const struct snd_pcm_hw_constraint_list constraints_rates = {
434 .count = ARRAY_SIZE(rates),
435 .list = rates,
436 .mask = 0,
437 };
438
439 static const unsigned int channels[] = {
440 DUAL_CHANNEL,
441 };
442
443 static const struct snd_pcm_hw_constraint_list constraints_channels = {
444 .count = ARRAY_SIZE(channels),
445 .list = channels,
446 .mask = 0,
447 };
448
449 static unsigned int channels_quad[] = {
450 QUAD_CHANNEL,
451 };
452
453 static struct snd_pcm_hw_constraint_list constraints_channels_quad = {
454 .count = ARRAY_SIZE(channels_quad),
455 .list = channels_quad,
456 .mask = 0,
457 };
458
kbl_fe_startup(struct snd_pcm_substream * substream)459 static int kbl_fe_startup(struct snd_pcm_substream *substream)
460 {
461 struct snd_pcm_runtime *runtime = substream->runtime;
462
463 /*
464 * On this platform for PCM device we support,
465 * 48Khz
466 * stereo
467 * 16 bit audio
468 */
469
470 runtime->hw.channels_max = DUAL_CHANNEL;
471 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
472 &constraints_channels);
473
474 runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
475 snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
476
477 snd_pcm_hw_constraint_list(runtime, 0,
478 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
479
480 return 0;
481 }
482
483 static const struct snd_soc_ops kabylake_da7219_fe_ops = {
484 .startup = kbl_fe_startup,
485 };
486
kabylake_dmic_fixup(struct snd_soc_pcm_runtime * rtd,struct snd_pcm_hw_params * params)487 static int kabylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
488 struct snd_pcm_hw_params *params)
489 {
490 struct snd_interval *chan = hw_param_interval(params,
491 SNDRV_PCM_HW_PARAM_CHANNELS);
492
493 /*
494 * set BE channel constraint as user FE channels
495 */
496
497 if (params_channels(params) == 2)
498 chan->min = chan->max = 2;
499 else
500 chan->min = chan->max = 4;
501
502 return 0;
503 }
504
kabylake_dmic_startup(struct snd_pcm_substream * substream)505 static int kabylake_dmic_startup(struct snd_pcm_substream *substream)
506 {
507 struct snd_pcm_runtime *runtime = substream->runtime;
508
509 runtime->hw.channels_min = runtime->hw.channels_max = QUAD_CHANNEL;
510 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
511 &constraints_channels_quad);
512
513 return snd_pcm_hw_constraint_list(substream->runtime, 0,
514 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
515 }
516
517 static struct snd_soc_ops kabylake_dmic_ops = {
518 .startup = kabylake_dmic_startup,
519 };
520
521 static const unsigned int rates_16000[] = {
522 16000,
523 };
524
525 static const struct snd_pcm_hw_constraint_list constraints_16000 = {
526 .count = ARRAY_SIZE(rates_16000),
527 .list = rates_16000,
528 };
529
530 static const unsigned int ch_mono[] = {
531 1,
532 };
533 static const struct snd_pcm_hw_constraint_list constraints_refcap = {
534 .count = ARRAY_SIZE(ch_mono),
535 .list = ch_mono,
536 };
537
kabylake_refcap_startup(struct snd_pcm_substream * substream)538 static int kabylake_refcap_startup(struct snd_pcm_substream *substream)
539 {
540 substream->runtime->hw.channels_max = 1;
541 snd_pcm_hw_constraint_list(substream->runtime, 0,
542 SNDRV_PCM_HW_PARAM_CHANNELS,
543 &constraints_refcap);
544
545 return snd_pcm_hw_constraint_list(substream->runtime, 0,
546 SNDRV_PCM_HW_PARAM_RATE,
547 &constraints_16000);
548 }
549
550
551 static struct snd_soc_ops skylake_refcap_ops = {
552 .startup = kabylake_refcap_startup,
553 };
554
555 static struct snd_soc_codec_conf max98927_codec_conf[] = {
556
557 {
558 .dlc = COMP_CODEC_CONF(MAX98927_DEV0_NAME),
559 .name_prefix = "Right",
560 },
561
562 {
563 .dlc = COMP_CODEC_CONF(MAX98927_DEV1_NAME),
564 .name_prefix = "Left",
565 },
566 };
567
568 static struct snd_soc_codec_conf max98373_codec_conf[] = {
569
570 {
571 .dlc = COMP_CODEC_CONF(MAX98373_DEV0_NAME),
572 .name_prefix = "Right",
573 },
574
575 {
576 .dlc = COMP_CODEC_CONF(MAX98373_DEV1_NAME),
577 .name_prefix = "Left",
578 },
579 };
580
581 static struct snd_soc_dai_link_component max98373_ssp0_codec_components[] = {
582 { /* Left */
583 .name = MAX98373_DEV0_NAME,
584 .dai_name = MAX98373_CODEC_DAI,
585 },
586
587 { /* For Right */
588 .name = MAX98373_DEV1_NAME,
589 .dai_name = MAX98373_CODEC_DAI,
590 },
591
592 };
593
594 SND_SOC_DAILINK_DEF(dummy,
595 DAILINK_COMP_ARRAY(COMP_DUMMY()));
596
597 SND_SOC_DAILINK_DEF(system,
598 DAILINK_COMP_ARRAY(COMP_CPU("System Pin")));
599
600 SND_SOC_DAILINK_DEF(echoref,
601 DAILINK_COMP_ARRAY(COMP_CPU("Echoref Pin")));
602
603 SND_SOC_DAILINK_DEF(reference,
604 DAILINK_COMP_ARRAY(COMP_CPU("Reference Pin")));
605
606 SND_SOC_DAILINK_DEF(dmic,
607 DAILINK_COMP_ARRAY(COMP_CPU("DMIC Pin")));
608
609 SND_SOC_DAILINK_DEF(hdmi1,
610 DAILINK_COMP_ARRAY(COMP_CPU("HDMI1 Pin")));
611
612 SND_SOC_DAILINK_DEF(hdmi2,
613 DAILINK_COMP_ARRAY(COMP_CPU("HDMI2 Pin")));
614
615 SND_SOC_DAILINK_DEF(hdmi3,
616 DAILINK_COMP_ARRAY(COMP_CPU("HDMI3 Pin")));
617
618 SND_SOC_DAILINK_DEF(system2,
619 DAILINK_COMP_ARRAY(COMP_CPU("System Pin2")));
620
621 SND_SOC_DAILINK_DEF(ssp0_pin,
622 DAILINK_COMP_ARRAY(COMP_CPU("SSP0 Pin")));
623 SND_SOC_DAILINK_DEF(ssp0_codec,
624 DAILINK_COMP_ARRAY(
625 /* Left */ COMP_CODEC(MAX98927_DEV0_NAME, MAX98927_CODEC_DAI),
626 /* For Right */ COMP_CODEC(MAX98927_DEV1_NAME, MAX98927_CODEC_DAI)));
627
628 SND_SOC_DAILINK_DEF(ssp1_pin,
629 DAILINK_COMP_ARRAY(COMP_CPU("SSP1 Pin")));
630 SND_SOC_DAILINK_DEF(ssp1_codec,
631 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-DLGS7219:00",
632 KBL_DIALOG_CODEC_DAI)));
633
634 SND_SOC_DAILINK_DEF(dmic_pin,
635 DAILINK_COMP_ARRAY(COMP_CPU("DMIC01 Pin")));
636 SND_SOC_DAILINK_DEF(dmic_codec,
637 DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec", "dmic-hifi")));
638
639 SND_SOC_DAILINK_DEF(idisp1_pin,
640 DAILINK_COMP_ARRAY(COMP_CPU("iDisp1 Pin")));
641 SND_SOC_DAILINK_DEF(idisp1_codec,
642 DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi1")));
643
644 SND_SOC_DAILINK_DEF(idisp2_pin,
645 DAILINK_COMP_ARRAY(COMP_CPU("iDisp2 Pin")));
646 SND_SOC_DAILINK_DEF(idisp2_codec,
647 DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi2")));
648
649 SND_SOC_DAILINK_DEF(idisp3_pin,
650 DAILINK_COMP_ARRAY(COMP_CPU("iDisp3 Pin")));
651 SND_SOC_DAILINK_DEF(idisp3_codec,
652 DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi3")));
653
654 SND_SOC_DAILINK_DEF(platform,
655 DAILINK_COMP_ARRAY(COMP_PLATFORM("0000:00:1f.3")));
656
657 /* kabylake digital audio interface glue - connects codec <--> CPU */
658 static struct snd_soc_dai_link kabylake_dais[] = {
659 /* Front End DAI links */
660 [KBL_DPCM_AUDIO_PB] = {
661 .name = "Kbl Audio Port",
662 .stream_name = "Audio",
663 .dynamic = 1,
664 .nonatomic = 1,
665 .init = kabylake_da7219_fe_init,
666 .trigger = {
667 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
668 .dpcm_playback = 1,
669 .ops = &kabylake_da7219_fe_ops,
670 SND_SOC_DAILINK_REG(system, dummy, platform),
671 },
672 [KBL_DPCM_AUDIO_ECHO_REF_CP] = {
673 .name = "Kbl Audio Echo Reference cap",
674 .stream_name = "Echoreference Capture",
675 .init = NULL,
676 .dpcm_capture = 1,
677 .nonatomic = 1,
678 SND_SOC_DAILINK_REG(echoref, dummy, platform),
679 },
680 [KBL_DPCM_AUDIO_REF_CP] = {
681 .name = "Kbl Audio Reference cap",
682 .stream_name = "Wake on Voice",
683 .init = NULL,
684 .dpcm_capture = 1,
685 .nonatomic = 1,
686 .dynamic = 1,
687 .ops = &skylake_refcap_ops,
688 SND_SOC_DAILINK_REG(reference, dummy, platform),
689 },
690 [KBL_DPCM_AUDIO_DMIC_CP] = {
691 .name = "Kbl Audio DMIC cap",
692 .stream_name = "dmiccap",
693 .init = NULL,
694 .dpcm_capture = 1,
695 .nonatomic = 1,
696 .dynamic = 1,
697 .ops = &kabylake_dmic_ops,
698 SND_SOC_DAILINK_REG(dmic, dummy, platform),
699 },
700 [KBL_DPCM_AUDIO_HDMI1_PB] = {
701 .name = "Kbl HDMI Port1",
702 .stream_name = "Hdmi1",
703 .dpcm_playback = 1,
704 .init = NULL,
705 .trigger = {
706 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
707 .nonatomic = 1,
708 .dynamic = 1,
709 SND_SOC_DAILINK_REG(hdmi1, dummy, platform),
710 },
711 [KBL_DPCM_AUDIO_HDMI2_PB] = {
712 .name = "Kbl HDMI Port2",
713 .stream_name = "Hdmi2",
714 .dpcm_playback = 1,
715 .init = NULL,
716 .trigger = {
717 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
718 .nonatomic = 1,
719 .dynamic = 1,
720 SND_SOC_DAILINK_REG(hdmi2, dummy, platform),
721 },
722 [KBL_DPCM_AUDIO_HDMI3_PB] = {
723 .name = "Kbl HDMI Port3",
724 .stream_name = "Hdmi3",
725 .trigger = {
726 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
727 .dpcm_playback = 1,
728 .init = NULL,
729 .nonatomic = 1,
730 .dynamic = 1,
731 SND_SOC_DAILINK_REG(hdmi3, dummy, platform),
732 },
733 [KBL_DPCM_AUDIO_HS_PB] = {
734 .name = "Kbl Audio Headset Playback",
735 .stream_name = "Headset Audio",
736 .dpcm_playback = 1,
737 .nonatomic = 1,
738 .dynamic = 1,
739 .init = kabylake_da7219_fe_init,
740 .trigger = {
741 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
742 .ops = &kabylake_da7219_fe_ops,
743 SND_SOC_DAILINK_REG(system2, dummy, platform),
744 },
745 [KBL_DPCM_AUDIO_CP] = {
746 .name = "Kbl Audio Capture Port",
747 .stream_name = "Audio Record",
748 .dynamic = 1,
749 .nonatomic = 1,
750 .trigger = {
751 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
752 .dpcm_capture = 1,
753 .ops = &kabylake_da7219_fe_ops,
754 SND_SOC_DAILINK_REG(system, dummy, platform),
755 },
756
757 /* Back End DAI links */
758 {
759 /* SSP0 - Codec */
760 .name = "SSP0-Codec",
761 .id = 0,
762 .no_pcm = 1,
763 .dai_fmt = SND_SOC_DAIFMT_DSP_B |
764 SND_SOC_DAIFMT_NB_NF |
765 SND_SOC_DAIFMT_CBS_CFS,
766 .dpcm_playback = 1,
767 .dpcm_capture = 1,
768 .ignore_pmdown_time = 1,
769 .be_hw_params_fixup = kabylake_ssp_fixup,
770 .ops = &kabylake_ssp0_ops,
771 SND_SOC_DAILINK_REG(ssp0_pin, ssp0_codec, platform),
772 },
773 {
774 /* SSP1 - Codec */
775 .name = "SSP1-Codec",
776 .id = 1,
777 .no_pcm = 1,
778 .init = kabylake_da7219_codec_init,
779 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
780 SND_SOC_DAIFMT_CBS_CFS,
781 .ignore_pmdown_time = 1,
782 .be_hw_params_fixup = kabylake_ssp_fixup,
783 .dpcm_playback = 1,
784 .dpcm_capture = 1,
785 SND_SOC_DAILINK_REG(ssp1_pin, ssp1_codec, platform),
786 },
787 {
788 .name = "dmic01",
789 .id = 2,
790 .init = kabylake_dmic_init,
791 .be_hw_params_fixup = kabylake_dmic_fixup,
792 .ignore_suspend = 1,
793 .dpcm_capture = 1,
794 .no_pcm = 1,
795 SND_SOC_DAILINK_REG(dmic_pin, dmic_codec, platform),
796 },
797 {
798 .name = "iDisp1",
799 .id = 3,
800 .dpcm_playback = 1,
801 .init = kabylake_hdmi1_init,
802 .no_pcm = 1,
803 SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform),
804 },
805 {
806 .name = "iDisp2",
807 .id = 4,
808 .init = kabylake_hdmi2_init,
809 .dpcm_playback = 1,
810 .no_pcm = 1,
811 SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform),
812 },
813 {
814 .name = "iDisp3",
815 .id = 5,
816 .init = kabylake_hdmi3_init,
817 .dpcm_playback = 1,
818 .no_pcm = 1,
819 SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform),
820 },
821 };
822
823 /* kabylake digital audio interface glue - connects codec <--> CPU */
824 static struct snd_soc_dai_link kabylake_max98_927_373_dais[] = {
825 /* Front End DAI links */
826 [KBL_DPCM_AUDIO_PB] = {
827 .name = "Kbl Audio Port",
828 .stream_name = "Audio",
829 .dynamic = 1,
830 .nonatomic = 1,
831 .init = kabylake_da7219_fe_init,
832 .trigger = {
833 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
834 .dpcm_playback = 1,
835 .ops = &kabylake_da7219_fe_ops,
836 SND_SOC_DAILINK_REG(system, dummy, platform),
837 },
838 [KBL_DPCM_AUDIO_ECHO_REF_CP] = {
839 .name = "Kbl Audio Echo Reference cap",
840 .stream_name = "Echoreference Capture",
841 .init = NULL,
842 .dpcm_capture = 1,
843 .nonatomic = 1,
844 SND_SOC_DAILINK_REG(echoref, dummy, platform),
845 },
846 [KBL_DPCM_AUDIO_REF_CP] = {
847 .name = "Kbl Audio Reference cap",
848 .stream_name = "Wake on Voice",
849 .init = NULL,
850 .dpcm_capture = 1,
851 .nonatomic = 1,
852 .dynamic = 1,
853 .ops = &skylake_refcap_ops,
854 SND_SOC_DAILINK_REG(reference, dummy, platform),
855 },
856 [KBL_DPCM_AUDIO_DMIC_CP] = {
857 .name = "Kbl Audio DMIC cap",
858 .stream_name = "dmiccap",
859 .init = NULL,
860 .dpcm_capture = 1,
861 .nonatomic = 1,
862 .dynamic = 1,
863 .ops = &kabylake_dmic_ops,
864 SND_SOC_DAILINK_REG(dmic, dummy, platform),
865 },
866 [KBL_DPCM_AUDIO_HDMI1_PB] = {
867 .name = "Kbl HDMI Port1",
868 .stream_name = "Hdmi1",
869 .dpcm_playback = 1,
870 .init = NULL,
871 .trigger = {
872 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
873 .nonatomic = 1,
874 .dynamic = 1,
875 SND_SOC_DAILINK_REG(hdmi1, dummy, platform),
876 },
877 [KBL_DPCM_AUDIO_HDMI2_PB] = {
878 .name = "Kbl HDMI Port2",
879 .stream_name = "Hdmi2",
880 .dpcm_playback = 1,
881 .init = NULL,
882 .trigger = {
883 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
884 .nonatomic = 1,
885 .dynamic = 1,
886 SND_SOC_DAILINK_REG(hdmi2, dummy, platform),
887 },
888 [KBL_DPCM_AUDIO_HDMI3_PB] = {
889 .name = "Kbl HDMI Port3",
890 .stream_name = "Hdmi3",
891 .trigger = {
892 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
893 .dpcm_playback = 1,
894 .init = NULL,
895 .nonatomic = 1,
896 .dynamic = 1,
897 SND_SOC_DAILINK_REG(hdmi3, dummy, platform),
898 },
899
900 /* Back End DAI links */
901 {
902 /* SSP0 - Codec */
903 .name = "SSP0-Codec",
904 .id = 0,
905 .no_pcm = 1,
906 .dai_fmt = SND_SOC_DAIFMT_DSP_B |
907 SND_SOC_DAIFMT_NB_NF |
908 SND_SOC_DAIFMT_CBS_CFS,
909 .dpcm_playback = 1,
910 .dpcm_capture = 1,
911 .ignore_pmdown_time = 1,
912 .be_hw_params_fixup = kabylake_ssp_fixup,
913 .ops = &kabylake_ssp0_ops,
914 SND_SOC_DAILINK_REG(ssp0_pin, ssp0_codec),
915 },
916 {
917 .name = "dmic01",
918 .id = 1,
919 .init = kabylake_dmic_init,
920 .be_hw_params_fixup = kabylake_dmic_fixup,
921 .ignore_suspend = 1,
922 .dpcm_capture = 1,
923 .no_pcm = 1,
924 SND_SOC_DAILINK_REG(dmic_pin, dmic_codec, platform),
925 },
926 {
927 .name = "iDisp1",
928 .id = 2,
929 .dpcm_playback = 1,
930 .init = kabylake_hdmi1_init,
931 .no_pcm = 1,
932 SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform),
933 },
934 {
935 .name = "iDisp2",
936 .id = 3,
937 .init = kabylake_hdmi2_init,
938 .dpcm_playback = 1,
939 .no_pcm = 1,
940 SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform),
941 },
942 {
943 .name = "iDisp3",
944 .id = 4,
945 .init = kabylake_hdmi3_init,
946 .dpcm_playback = 1,
947 .no_pcm = 1,
948 SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform),
949 },
950 };
951
kabylake_card_late_probe(struct snd_soc_card * card)952 static int kabylake_card_late_probe(struct snd_soc_card *card)
953 {
954 struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(card);
955 struct kbl_hdmi_pcm *pcm;
956 struct snd_soc_dapm_context *dapm = &card->dapm;
957 struct snd_soc_component *component = NULL;
958 int err, i = 0;
959 char jack_name[NAME_SIZE];
960
961 list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
962 component = pcm->codec_dai->component;
963 snprintf(jack_name, sizeof(jack_name),
964 "HDMI/DP, pcm=%d Jack", pcm->device);
965 err = snd_soc_card_jack_new(card, jack_name,
966 SND_JACK_AVOUT, &kabylake_hdmi[i],
967 NULL, 0);
968
969 if (err)
970 return err;
971
972 err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
973 &kabylake_hdmi[i]);
974 if (err < 0)
975 return err;
976
977 i++;
978 }
979
980 if (!component)
981 return -EINVAL;
982
983
984 err = hdac_hdmi_jack_port_init(component, &card->dapm);
985
986 if (err < 0)
987 return err;
988
989 err = snd_soc_dapm_disable_pin(dapm, "Left Spk");
990 if (err) {
991 dev_err(card->dev, "failed to disable Left Spk: %d\n", err);
992 return err;
993 }
994
995 err = snd_soc_dapm_disable_pin(dapm, "Right Spk");
996 if (err) {
997 dev_err(card->dev, "failed to disable Right Spk: %d\n", err);
998 return err;
999 }
1000
1001 return snd_soc_dapm_sync(dapm);
1002 }
1003
1004 /* kabylake audio machine driver for SPT + DA7219 */
1005 static struct snd_soc_card kbl_audio_card_da7219_m98927 = {
1006 .name = "kblda7219m98927",
1007 .owner = THIS_MODULE,
1008 .dai_link = kabylake_dais,
1009 .num_links = ARRAY_SIZE(kabylake_dais),
1010 .controls = kabylake_controls,
1011 .num_controls = ARRAY_SIZE(kabylake_controls),
1012 .dapm_widgets = kabylake_widgets,
1013 .num_dapm_widgets = ARRAY_SIZE(kabylake_widgets),
1014 .dapm_routes = kabylake_map,
1015 .num_dapm_routes = ARRAY_SIZE(kabylake_map),
1016 .codec_conf = max98927_codec_conf,
1017 .num_configs = ARRAY_SIZE(max98927_codec_conf),
1018 .fully_routed = true,
1019 .late_probe = kabylake_card_late_probe,
1020 };
1021
1022 /* kabylake audio machine driver for Maxim98927 */
1023 static struct snd_soc_card kbl_audio_card_max98927 = {
1024 .name = "kblmax98927",
1025 .owner = THIS_MODULE,
1026 .dai_link = kabylake_max98_927_373_dais,
1027 .num_links = ARRAY_SIZE(kabylake_max98_927_373_dais),
1028 .controls = kabylake_controls,
1029 .num_controls = ARRAY_SIZE(kabylake_controls),
1030 .dapm_widgets = kabylake_widgets,
1031 .num_dapm_widgets = ARRAY_SIZE(kabylake_widgets),
1032 .dapm_routes = kabylake_map,
1033 .num_dapm_routes = ARRAY_SIZE(kabylake_map),
1034 .codec_conf = max98927_codec_conf,
1035 .num_configs = ARRAY_SIZE(max98927_codec_conf),
1036 .fully_routed = true,
1037 .late_probe = kabylake_card_late_probe,
1038 };
1039
1040 static struct snd_soc_card kbl_audio_card_da7219_m98373 = {
1041 .name = "kblda7219m98373",
1042 .owner = THIS_MODULE,
1043 .dai_link = kabylake_dais,
1044 .num_links = ARRAY_SIZE(kabylake_dais),
1045 .controls = kabylake_controls,
1046 .num_controls = ARRAY_SIZE(kabylake_controls),
1047 .dapm_widgets = kabylake_widgets,
1048 .num_dapm_widgets = ARRAY_SIZE(kabylake_widgets),
1049 .dapm_routes = kabylake_map,
1050 .num_dapm_routes = ARRAY_SIZE(kabylake_map),
1051 .codec_conf = max98373_codec_conf,
1052 .num_configs = ARRAY_SIZE(max98373_codec_conf),
1053 .fully_routed = true,
1054 .late_probe = kabylake_card_late_probe,
1055 };
1056
1057 static struct snd_soc_card kbl_audio_card_max98373 = {
1058 .name = "kblmax98373",
1059 .owner = THIS_MODULE,
1060 .dai_link = kabylake_max98_927_373_dais,
1061 .num_links = ARRAY_SIZE(kabylake_max98_927_373_dais),
1062 .controls = kabylake_controls,
1063 .num_controls = ARRAY_SIZE(kabylake_controls),
1064 .dapm_widgets = kabylake_widgets,
1065 .num_dapm_widgets = ARRAY_SIZE(kabylake_widgets),
1066 .dapm_routes = kabylake_map,
1067 .num_dapm_routes = ARRAY_SIZE(kabylake_map),
1068 .codec_conf = max98373_codec_conf,
1069 .num_configs = ARRAY_SIZE(max98373_codec_conf),
1070 .fully_routed = true,
1071 .late_probe = kabylake_card_late_probe,
1072 };
1073
kabylake_audio_probe(struct platform_device * pdev)1074 static int kabylake_audio_probe(struct platform_device *pdev)
1075 {
1076 struct kbl_codec_private *ctx;
1077 struct snd_soc_dai_link *kbl_dai_link;
1078 struct snd_soc_dai_link_component **codecs;
1079 int i;
1080
1081 ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
1082 if (!ctx)
1083 return -ENOMEM;
1084
1085 INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
1086
1087 kabylake_audio_card =
1088 (struct snd_soc_card *)pdev->id_entry->driver_data;
1089
1090 kbl_dai_link = kabylake_audio_card->dai_link;
1091
1092 /* Update codecs for SSP0 with max98373 codec info */
1093 if (!strcmp(pdev->name, "kbl_da7219_max98373") ||
1094 (!strcmp(pdev->name, "kbl_max98373"))) {
1095 for (i = 0; i < kabylake_audio_card->num_links; ++i) {
1096 if (strcmp(kbl_dai_link[i].name, "SSP0-Codec"))
1097 continue;
1098
1099 codecs = &(kbl_dai_link[i].codecs);
1100 *codecs = max98373_ssp0_codec_components;
1101 kbl_dai_link[i].num_codecs =
1102 ARRAY_SIZE(max98373_ssp0_codec_components);
1103 break;
1104 }
1105 }
1106 kabylake_audio_card->dev = &pdev->dev;
1107 snd_soc_card_set_drvdata(kabylake_audio_card, ctx);
1108
1109 return devm_snd_soc_register_card(&pdev->dev, kabylake_audio_card);
1110 }
1111
1112 static const struct platform_device_id kbl_board_ids[] = {
1113 {
1114 .name = "kbl_da7219_max98927",
1115 .driver_data =
1116 (kernel_ulong_t)&kbl_audio_card_da7219_m98927,
1117 },
1118 {
1119 .name = "kbl_max98927",
1120 .driver_data =
1121 (kernel_ulong_t)&kbl_audio_card_max98927,
1122 },
1123 {
1124 .name = "kbl_da7219_max98373",
1125 .driver_data =
1126 (kernel_ulong_t)&kbl_audio_card_da7219_m98373,
1127 },
1128 {
1129 .name = "kbl_max98373",
1130 .driver_data =
1131 (kernel_ulong_t)&kbl_audio_card_max98373,
1132 },
1133 { }
1134 };
1135
1136 static struct platform_driver kabylake_audio = {
1137 .probe = kabylake_audio_probe,
1138 .driver = {
1139 .name = "kbl_da7219_max98_927_373",
1140 .pm = &snd_soc_pm_ops,
1141 },
1142 .id_table = kbl_board_ids,
1143 };
1144
1145 module_platform_driver(kabylake_audio)
1146
1147 /* Module information */
1148 MODULE_DESCRIPTION("Audio KabyLake Machine driver for MAX98927/MAX98373 & DA7219");
1149 MODULE_AUTHOR("Mac Chiang <mac.chiang@intel.com>");
1150 MODULE_LICENSE("GPL v2");
1151 MODULE_ALIAS("platform:kbl_da7219_max98927");
1152 MODULE_ALIAS("platform:kbl_max98927");
1153 MODULE_ALIAS("platform:kbl_da7219_max98373");
1154 MODULE_ALIAS("platform:kbl_max98373");
1155