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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 *chan = 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 chan->min = chan->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 = asoc_rtd_to_codec(rtd, 0)->component;
163 struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
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 = asoc_rtd_to_codec(rtd, 0);
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 = asoc_rtd_to_cpu(rtd, 0)->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 *chan = hw_param_interval(params,
309 SNDRV_PCM_HW_PARAM_CHANNELS);
310
311
312
313
314
315 if (params_channels(params) == 2)
316 chan->min = chan->max = 2;
317 else
318 chan->min = chan->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
339SND_SOC_DAILINK_DEF(dummy,
340 DAILINK_COMP_ARRAY(COMP_DUMMY()));
341
342SND_SOC_DAILINK_DEF(system,
343 DAILINK_COMP_ARRAY(COMP_CPU("System Pin")));
344
345SND_SOC_DAILINK_DEF(dmic,
346 DAILINK_COMP_ARRAY(COMP_CPU("DMIC Pin")));
347
348SND_SOC_DAILINK_DEF(hdmi1,
349 DAILINK_COMP_ARRAY(COMP_CPU("HDMI1 Pin")));
350
351SND_SOC_DAILINK_DEF(hdmi2,
352 DAILINK_COMP_ARRAY(COMP_CPU("HDMI2 Pin")));
353
354SND_SOC_DAILINK_DEF(hdmi3,
355 DAILINK_COMP_ARRAY(COMP_CPU("HDMI3 Pin")));
356
357SND_SOC_DAILINK_DEF(ssp0_pin,
358 DAILINK_COMP_ARRAY(COMP_CPU("SSP0 Pin")));
359SND_SOC_DAILINK_DEF(ssp0_codec,
360 DAILINK_COMP_ARRAY(COMP_CODEC(MAXIM_DEV0_NAME,
361 KBL_MAXIM_CODEC_DAI)));
362
363SND_SOC_DAILINK_DEF(ssp1_pin,
364 DAILINK_COMP_ARRAY(COMP_CPU("SSP1 Pin")));
365SND_SOC_DAILINK_DEF(ssp1_codec,
366 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-DLGS7219:00",
367 KBL_DIALOG_CODEC_DAI)));
368
369SND_SOC_DAILINK_DEF(dmic_pin,
370 DAILINK_COMP_ARRAY(COMP_CPU("DMIC01 Pin")));
371SND_SOC_DAILINK_DEF(dmic_codec,
372 DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec", "dmic-hifi")));
373
374SND_SOC_DAILINK_DEF(idisp1_pin,
375 DAILINK_COMP_ARRAY(COMP_CPU("iDisp1 Pin")));
376SND_SOC_DAILINK_DEF(idisp1_codec,
377 DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2",
378 "intel-hdmi-hifi1")));
379
380SND_SOC_DAILINK_DEF(idisp2_pin,
381 DAILINK_COMP_ARRAY(COMP_CPU("iDisp2 Pin")));
382SND_SOC_DAILINK_DEF(idisp2_codec,
383 DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi2")));
384
385SND_SOC_DAILINK_DEF(idisp3_pin,
386 DAILINK_COMP_ARRAY(COMP_CPU("iDisp3 Pin")));
387SND_SOC_DAILINK_DEF(idisp3_codec,
388 DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi3")));
389
390SND_SOC_DAILINK_DEF(platform,
391 DAILINK_COMP_ARRAY(COMP_PLATFORM("0000:00:1f.3")));
392
393
394static struct snd_soc_dai_link kabylake_dais[] = {
395
396 [KBL_DPCM_AUDIO_PB] = {
397 .name = "Kbl Audio Port",
398 .stream_name = "Audio",
399 .dynamic = 1,
400 .nonatomic = 1,
401 .init = kabylake_da7219_fe_init,
402 .trigger = {
403 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
404 .dpcm_playback = 1,
405 .ops = &kabylake_da7219_fe_ops,
406 SND_SOC_DAILINK_REG(system, dummy, platform),
407 },
408 [KBL_DPCM_AUDIO_CP] = {
409 .name = "Kbl Audio Capture Port",
410 .stream_name = "Audio Record",
411 .dynamic = 1,
412 .nonatomic = 1,
413 .trigger = {
414 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
415 .dpcm_capture = 1,
416 .ops = &kabylake_da7219_fe_ops,
417 SND_SOC_DAILINK_REG(system, dummy, platform),
418 },
419 [KBL_DPCM_AUDIO_DMIC_CP] = {
420 .name = "Kbl Audio DMIC cap",
421 .stream_name = "dmiccap",
422 .init = NULL,
423 .dpcm_capture = 1,
424 .nonatomic = 1,
425 .dynamic = 1,
426 .ops = &kabylake_dmic_ops,
427 SND_SOC_DAILINK_REG(dmic, dummy, platform),
428 },
429 [KBL_DPCM_AUDIO_HDMI1_PB] = {
430 .name = "Kbl HDMI Port1",
431 .stream_name = "Hdmi1",
432 .dpcm_playback = 1,
433 .init = NULL,
434 .trigger = {
435 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
436 .nonatomic = 1,
437 .dynamic = 1,
438 SND_SOC_DAILINK_REG(hdmi1, dummy, platform),
439 },
440 [KBL_DPCM_AUDIO_HDMI2_PB] = {
441 .name = "Kbl HDMI Port2",
442 .stream_name = "Hdmi2",
443 .dpcm_playback = 1,
444 .init = NULL,
445 .trigger = {
446 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
447 .nonatomic = 1,
448 .dynamic = 1,
449 SND_SOC_DAILINK_REG(hdmi2, dummy, platform),
450 },
451 [KBL_DPCM_AUDIO_HDMI3_PB] = {
452 .name = "Kbl HDMI Port3",
453 .stream_name = "Hdmi3",
454 .trigger = {
455 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
456 .dpcm_playback = 1,
457 .init = NULL,
458 .nonatomic = 1,
459 .dynamic = 1,
460 SND_SOC_DAILINK_REG(hdmi3, dummy, platform),
461 },
462
463
464 {
465
466 .name = "SSP0-Codec",
467 .id = 0,
468 .no_pcm = 1,
469 .dai_fmt = SND_SOC_DAIFMT_I2S |
470 SND_SOC_DAIFMT_NB_NF |
471 SND_SOC_DAIFMT_CBS_CFS,
472 .ignore_pmdown_time = 1,
473 .be_hw_params_fixup = kabylake_ssp_fixup,
474 .dpcm_playback = 1,
475 SND_SOC_DAILINK_REG(ssp0_pin, ssp0_codec, platform),
476 },
477 {
478
479 .name = "SSP1-Codec",
480 .id = 1,
481 .no_pcm = 1,
482 .init = kabylake_da7219_codec_init,
483 .dai_fmt = SND_SOC_DAIFMT_I2S | 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 .dpcm_capture = 1,
489 SND_SOC_DAILINK_REG(ssp1_pin, ssp1_codec, platform),
490 },
491 {
492 .name = "dmic01",
493 .id = 2,
494 .be_hw_params_fixup = kabylake_dmic_fixup,
495 .ignore_suspend = 1,
496 .dpcm_capture = 1,
497 .no_pcm = 1,
498 SND_SOC_DAILINK_REG(dmic_pin, dmic_codec, platform),
499 },
500 {
501 .name = "iDisp1",
502 .id = 3,
503 .dpcm_playback = 1,
504 .init = kabylake_hdmi1_init,
505 .no_pcm = 1,
506 SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform),
507 },
508 {
509 .name = "iDisp2",
510 .id = 4,
511 .init = kabylake_hdmi2_init,
512 .dpcm_playback = 1,
513 .no_pcm = 1,
514 SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform),
515 },
516 {
517 .name = "iDisp3",
518 .id = 5,
519 .init = kabylake_hdmi3_init,
520 .dpcm_playback = 1,
521 .no_pcm = 1,
522 SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform),
523 },
524};
525
526#define NAME_SIZE 32
527static int kabylake_card_late_probe(struct snd_soc_card *card)
528{
529 struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(card);
530 struct kbl_hdmi_pcm *pcm;
531 struct snd_soc_component *component = NULL;
532 int err, i = 0;
533 char jack_name[NAME_SIZE];
534
535 list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
536 component = pcm->codec_dai->component;
537 snprintf(jack_name, sizeof(jack_name),
538 "HDMI/DP, pcm=%d Jack", pcm->device);
539 err = snd_soc_card_jack_new(card, jack_name,
540 SND_JACK_AVOUT, &skylake_hdmi[i],
541 NULL, 0);
542
543 if (err)
544 return err;
545
546 err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
547 &skylake_hdmi[i]);
548 if (err < 0)
549 return err;
550
551 i++;
552
553 }
554
555 if (!component)
556 return -EINVAL;
557
558 return hdac_hdmi_jack_port_init(component, &card->dapm);
559}
560
561
562static struct snd_soc_card kabylake_audio_card_da7219_m98357a = {
563 .name = "kblda7219max",
564 .owner = THIS_MODULE,
565 .dai_link = kabylake_dais,
566 .num_links = ARRAY_SIZE(kabylake_dais),
567 .controls = kabylake_controls,
568 .num_controls = ARRAY_SIZE(kabylake_controls),
569 .dapm_widgets = kabylake_widgets,
570 .num_dapm_widgets = ARRAY_SIZE(kabylake_widgets),
571 .dapm_routes = kabylake_map,
572 .num_dapm_routes = ARRAY_SIZE(kabylake_map),
573 .fully_routed = true,
574 .late_probe = kabylake_card_late_probe,
575};
576
577static int kabylake_audio_probe(struct platform_device *pdev)
578{
579 struct kbl_codec_private *ctx;
580
581 ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
582 if (!ctx)
583 return -ENOMEM;
584
585 INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
586
587 kabylake_audio_card =
588 (struct snd_soc_card *)pdev->id_entry->driver_data;
589
590 kabylake_audio_card->dev = &pdev->dev;
591 snd_soc_card_set_drvdata(kabylake_audio_card, ctx);
592 return devm_snd_soc_register_card(&pdev->dev, kabylake_audio_card);
593}
594
595static const struct platform_device_id kbl_board_ids[] = {
596 {
597 .name = "kbl_da7219_max98357a",
598 .driver_data =
599 (kernel_ulong_t)&kabylake_audio_card_da7219_m98357a,
600 },
601 { }
602};
603
604static struct platform_driver kabylake_audio = {
605 .probe = kabylake_audio_probe,
606 .driver = {
607 .name = "kbl_da7219_max98357a",
608 .pm = &snd_soc_pm_ops,
609 },
610 .id_table = kbl_board_ids,
611};
612
613module_platform_driver(kabylake_audio)
614
615
616MODULE_DESCRIPTION("Audio Machine driver-DA7219 & MAX98357A in I2S mode");
617MODULE_AUTHOR("Naveen Manohar <naveen.m@intel.com>");
618MODULE_LICENSE("GPL v2");
619MODULE_ALIAS("platform:kbl_da7219_max98357a");
620
