summaryrefslogtreecommitdiffstats
path: root/sound/soc/amd/acp3x-rt5682-max9836.c
blob: 0543dda75b99a7a26be0c8fc8d6aa32fc3fcfe33 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
// SPDX-License-Identifier: GPL-2.0+
//
// Machine driver for AMD ACP Audio engine using DA7219 & MAX98357 codec.
//
//Copyright 2016 Advanced Micro Devices, Inc.

#include <sound/core.h>
#include <sound/soc.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc-dapm.h>
#include <sound/jack.h>
#include <linux/clk.h>
#include <linux/gpio.h>
#include <linux/gpio/consumer.h>
#include <linux/module.h>
#include <linux/i2c.h>
#include <linux/input.h>
#include <linux/io.h>
#include <linux/acpi.h>

#include "raven/acp3x.h"
#include "../codecs/rt5682.h"
#include "../codecs/rt1015.h"

#define PCO_PLAT_CLK 48000000
#define RT5682_PLL_FREQ (48000 * 512)
#define DUAL_CHANNEL		2

static struct snd_soc_jack pco_jack;
static struct clk *rt5682_dai_wclk;
static struct clk *rt5682_dai_bclk;
static struct gpio_desc *dmic_sel;
void *soc_is_rltk_max(struct device *dev);

enum {
	RT5682 = 0,
	MAX,
	EC,
};

static int acp3x_5682_init(struct snd_soc_pcm_runtime *rtd)
{
	int ret;
	struct snd_soc_card *card = rtd->card;
	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
	struct snd_soc_component *component = codec_dai->component;

	dev_info(rtd->dev, "codec dai name = %s\n", codec_dai->name);

	/* set rt5682 dai fmt */
	ret =  snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S
			| SND_SOC_DAIFMT_NB_NF
			| SND_SOC_DAIFMT_CBP_CFP);
	if (ret < 0) {
		dev_err(rtd->card->dev,
				"Failed to set rt5682 dai fmt: %d\n", ret);
		return ret;
	}

	/* set codec PLL */
	ret = snd_soc_dai_set_pll(codec_dai, RT5682_PLL2, RT5682_PLL2_S_MCLK,
				  PCO_PLAT_CLK, RT5682_PLL_FREQ);
	if (ret < 0) {
		dev_err(rtd->dev, "can't set rt5682 PLL: %d\n", ret);
		return ret;
	}

	/* Set codec sysclk */
	ret = snd_soc_dai_set_sysclk(codec_dai, RT5682_SCLK_S_PLL2,
			RT5682_PLL_FREQ, SND_SOC_CLOCK_IN);
	if (ret < 0) {
		dev_err(rtd->dev,
			"Failed to set rt5682 SYSCLK: %d\n", ret);
		return ret;
	}

	/* Set tdm/i2s1 master bclk ratio */
	ret = snd_soc_dai_set_bclk_ratio(codec_dai, 64);
	if (ret < 0) {
		dev_err(rtd->dev,
			"Failed to set rt5682 tdm bclk ratio: %d\n", ret);
		return ret;
	}

	rt5682_dai_wclk = clk_get(component->dev, "rt5682-dai-wclk");
	rt5682_dai_bclk = clk_get(component->dev, "rt5682-dai-bclk");

	ret = snd_soc_card_jack_new(card, "Headset Jack",
				SND_JACK_HEADSET | SND_JACK_LINEOUT |
				SND_JACK_BTN_0 | SND_JACK_BTN_1 |
				SND_JACK_BTN_2 | SND_JACK_BTN_3,
				&pco_jack);
	if (ret) {
		dev_err(card->dev, "HP jack creation failed %d\n", ret);
		return ret;
	}

	snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
	snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
	snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
	snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);

	ret = snd_soc_component_set_jack(component, &pco_jack, NULL);
	if (ret) {
		dev_err(rtd->dev, "Headset Jack call-back failed: %d\n", ret);
		return ret;
	}

	return ret;
}

static int rt5682_clk_enable(struct snd_pcm_substream *substream)
{
	int ret = 0;
	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);

	/* RT5682 will support only 48K output with 48M mclk */
	clk_set_rate(rt5682_dai_wclk, 48000);
	clk_set_rate(rt5682_dai_bclk, 48000 * 64);
	ret = clk_prepare_enable(rt5682_dai_wclk);
	if (ret < 0) {
		dev_err(rtd->dev, "can't enable wclk %d\n", ret);
		return ret;
	}

	return ret;
}

static int acp3x_1015_hw_params(struct snd_pcm_substream *substream,
					struct snd_pcm_hw_params *params)
{
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct snd_soc_dai *codec_dai;
	int srate, i, ret;

	ret = 0;
	srate = params_rate(params);

	for_each_rtd_codec_dais(rtd, i, codec_dai) {
		if (strcmp(codec_dai->name, "rt1015-aif"))
			continue;

		ret = snd_soc_dai_set_pll(codec_dai, 0, RT1015_PLL_S_BCLK,
						64 * srate, 256 * srate);
		if (ret < 0)
			return ret;
		ret = snd_soc_dai_set_sysclk(codec_dai, RT1015_SCLK_S_PLL,
					256 * srate, SND_SOC_CLOCK_IN);
		if (ret < 0)
			return ret;
	}
	return ret;
}

static void rt5682_clk_disable(void)
{
	clk_disable_unprepare(rt5682_dai_wclk);
}

static const unsigned int channels[] = {
	DUAL_CHANNEL,
};

static const unsigned int rates[] = {
	48000,
};

static const struct snd_pcm_hw_constraint_list constraints_rates = {
	.count = ARRAY_SIZE(rates),
	.list  = rates,
	.mask = 0,
};

static const struct snd_pcm_hw_constraint_list constraints_channels = {
	.count = ARRAY_SIZE(channels),
	.list = channels,
	.mask = 0,
};

static int acp3x_5682_startup(struct snd_pcm_substream *substream)
{
	struct snd_pcm_runtime *runtime = substream->runtime;
	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
	struct snd_soc_card *card = rtd->card;
	struct acp3x_platform_info *machine = snd_soc_card_get_drvdata(card);

	machine->play_i2s_instance = I2S_SP_INSTANCE;
	machine->cap_i2s_instance = I2S_SP_INSTANCE;

	runtime->hw.channels_max = DUAL_CHANNEL;
	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
				   &constraints_channels);
	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
				   &constraints_rates);
	return rt5682_clk_enable(substream);
}

static int acp3x_max_startup(struct snd_pcm_substream *substream)
{
	struct snd_pcm_runtime *runtime = substream->runtime;
	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
	struct snd_soc_card *card = rtd->card;
	struct acp3x_platform_info *machine = snd_soc_card_get_drvdata(card);

	machine->play_i2s_instance = I2S_BT_INSTANCE;

	runtime->hw.channels_max = DUAL_CHANNEL;
	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
				   &constraints_channels);
	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
				   &constraints_rates);
	return rt5682_clk_enable(substream);
}

static int acp3x_ec_dmic0_startup(struct snd_pcm_substream *substream)
{
	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
	struct snd_soc_card *card = rtd->card;
	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
	struct acp3x_platform_info *machine = snd_soc_card_get_drvdata(card);

	machine->cap_i2s_instance = I2S_BT_INSTANCE;
	snd_soc_dai_set_bclk_ratio(codec_dai, 64);

	return rt5682_clk_enable(substream);
}

static int dmic_switch;

static int dmic_get(struct snd_kcontrol *kcontrol,
			 struct snd_ctl_elem_value *ucontrol)
{
	ucontrol->value.integer.value[0] = dmic_switch;
	return 0;
}

static int dmic_set(struct snd_kcontrol *kcontrol,
			 struct snd_ctl_elem_value *ucontrol)
{
	if (dmic_sel) {
		dmic_switch = ucontrol->value.integer.value[0];
		gpiod_set_value(dmic_sel, dmic_switch);
	}
	return 0;
}

static void rt5682_shutdown(struct snd_pcm_substream *substream)
{
	rt5682_clk_disable();
}

static const struct snd_soc_ops acp3x_5682_ops = {
	.startup = acp3x_5682_startup,
	.shutdown = rt5682_shutdown,
};

static const struct snd_soc_ops acp3x_max_play_ops = {
	.startup = acp3x_max_startup,
	.shutdown = rt5682_shutdown,
	.hw_params = acp3x_1015_hw_params,
};

static const struct snd_soc_ops acp3x_ec_cap0_ops = {
	.startup = acp3x_ec_dmic0_startup,
	.shutdown = rt5682_shutdown,
};

SND_SOC_DAILINK_DEF(acp3x_i2s,
	DAILINK_COMP_ARRAY(COMP_CPU("acp3x_i2s_playcap.0")));
SND_SOC_DAILINK_DEF(acp3x_bt,
	DAILINK_COMP_ARRAY(COMP_CPU("acp3x_i2s_playcap.2")));

SND_SOC_DAILINK_DEF(rt5682,
	DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC5682:00", "rt5682-aif1")));
SND_SOC_DAILINK_DEF(max,
	DAILINK_COMP_ARRAY(COMP_CODEC("MX98357A:00", "HiFi")));
SND_SOC_DAILINK_DEF(rt1015p,
	DAILINK_COMP_ARRAY(COMP_CODEC("RTL1015:00", "HiFi")));
SND_SOC_DAILINK_DEF(rt1015,
	DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC1015:00", "rt1015-aif"),
			COMP_CODEC("i2c-10EC1015:01", "rt1015-aif")));
SND_SOC_DAILINK_DEF(cros_ec,
	DAILINK_COMP_ARRAY(COMP_CODEC("GOOG0013:00", "EC Codec I2S RX")));

SND_SOC_DAILINK_DEF(platform,
	DAILINK_COMP_ARRAY(COMP_PLATFORM("acp3x_rv_i2s_dma.0")));

static struct snd_soc_codec_conf rt1015_conf[] = {
	{
		.dlc = COMP_CODEC_CONF("i2c-10EC1015:00"),
		.name_prefix = "Left",
	},
	{
		.dlc = COMP_CODEC_CONF("i2c-10EC1015:01"),
		.name_prefix = "Right",
	},
};

static struct snd_soc_dai_link acp3x_dai[] = {
	[RT5682] = {
		.name = "acp3x-5682-play",
		.stream_name = "Playback",
		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
				| SND_SOC_DAIFMT_CBP_CFP,
		.init = acp3x_5682_init,
		.dpcm_playback = 1,
		.dpcm_capture = 1,
		.ops = &acp3x_5682_ops,
		SND_SOC_DAILINK_REG(acp3x_i2s, rt5682, platform),
	},
	[MAX] = {
		.name = "acp3x-max98357-play",
		.stream_name = "HiFi Playback",
		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
				| SND_SOC_DAIFMT_CBC_CFC,
		.dpcm_playback = 1,
		.ops = &acp3x_max_play_ops,
		.cpus = acp3x_bt,
		.num_cpus = ARRAY_SIZE(acp3x_bt),
		.platforms = platform,
		.num_platforms = ARRAY_SIZE(platform),
	},
	[EC] = {
		.name = "acp3x-ec-dmic0-capture",
		.stream_name = "Capture DMIC0",
		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
				| SND_SOC_DAIFMT_CBC_CFC,
		.dpcm_capture = 1,
		.ops = &acp3x_ec_cap0_ops,
		SND_SOC_DAILINK_REG(acp3x_bt, cros_ec, platform),
	},
};

static const char * const dmic_mux_text[] = {
	"Front Mic",
	"Rear Mic",
};

static SOC_ENUM_SINGLE_DECL(
		acp3x_dmic_enum, SND_SOC_NOPM, 0, dmic_mux_text);

static const struct snd_kcontrol_new acp3x_dmic_mux_control =
	SOC_DAPM_ENUM_EXT("DMIC Select Mux", acp3x_dmic_enum,
			  dmic_get, dmic_set);

static const struct snd_soc_dapm_widget acp3x_5682_widgets[] = {
	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	SND_SOC_DAPM_SPK("Spk", NULL),
	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	SND_SOC_DAPM_MUX("Dmic Mux", SND_SOC_NOPM, 0, 0,
			 &acp3x_dmic_mux_control),
};

static const struct snd_soc_dapm_route acp3x_5682_audio_route[] = {
	{"Headphone Jack", NULL, "HPOL"},
	{"Headphone Jack", NULL, "HPOR"},
	{"IN1P", NULL, "Headset Mic"},
	{"Spk", NULL, "Speaker"},
	{"Dmic Mux", "Front Mic", "DMIC"},
	{"Dmic Mux", "Rear Mic", "DMIC"},
};

static const struct snd_kcontrol_new acp3x_5682_mc_controls[] = {
	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
	SOC_DAPM_PIN_SWITCH("Spk"),
	SOC_DAPM_PIN_SWITCH("Headset Mic"),
};

static struct snd_soc_card acp3x_5682 = {
	.name = "acp3xalc5682m98357",
	.owner = THIS_MODULE,
	.dai_link = acp3x_dai,
	.num_links = ARRAY_SIZE(acp3x_dai),
	.dapm_widgets = acp3x_5682_widgets,
	.num_dapm_widgets = ARRAY_SIZE(acp3x_5682_widgets),
	.dapm_routes = acp3x_5682_audio_route,
	.num_dapm_routes = ARRAY_SIZE(acp3x_5682_audio_route),
	.controls = acp3x_5682_mc_controls,
	.num_controls = ARRAY_SIZE(acp3x_5682_mc_controls),
};

static const struct snd_soc_dapm_widget acp3x_1015_widgets[] = {
	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	SND_SOC_DAPM_MUX("Dmic Mux", SND_SOC_NOPM, 0, 0,
			 &acp3x_dmic_mux_control),
	SND_SOC_DAPM_SPK("Left Spk", NULL),
	SND_SOC_DAPM_SPK("Right Spk", NULL),
};

static const struct snd_soc_dapm_route acp3x_1015_route[] = {
	{"Headphone Jack", NULL, "HPOL"},
	{"Headphone Jack", NULL, "HPOR"},
	{"IN1P", NULL, "Headset Mic"},
	{"Dmic Mux", "Front Mic", "DMIC"},
	{"Dmic Mux", "Rear Mic", "DMIC"},
	{"Left Spk", NULL, "Left SPO"},
	{"Right Spk", NULL, "Right SPO"},
};

static const struct snd_kcontrol_new acp3x_mc_1015_controls[] = {
	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
	SOC_DAPM_PIN_SWITCH("Headset Mic"),
	SOC_DAPM_PIN_SWITCH("Left Spk"),
	SOC_DAPM_PIN_SWITCH("Right Spk"),
};

static struct snd_soc_card acp3x_1015 = {
	.name = "acp3xalc56821015",
	.owner = THIS_MODULE,
	.dai_link = acp3x_dai,
	.num_links = ARRAY_SIZE(acp3x_dai),
	.dapm_widgets = acp3x_1015_widgets,
	.num_dapm_widgets = ARRAY_SIZE(acp3x_1015_widgets),
	.dapm_routes = acp3x_1015_route,
	.num_dapm_routes = ARRAY_SIZE(acp3x_1015_route),
	.codec_conf = rt1015_conf,
	.num_configs = ARRAY_SIZE(rt1015_conf),
	.controls = acp3x_mc_1015_controls,
	.num_controls = ARRAY_SIZE(acp3x_mc_1015_controls),
};

static const struct snd_soc_dapm_widget acp3x_1015p_widgets[] = {
	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	SND_SOC_DAPM_MUX("Dmic Mux", SND_SOC_NOPM, 0, 0,
			 &acp3x_dmic_mux_control),
	SND_SOC_DAPM_SPK("Speakers", NULL),
};

static const struct snd_soc_dapm_route acp3x_1015p_route[] = {
	{"Headphone Jack", NULL, "HPOL"},
	{"Headphone Jack", NULL, "HPOR"},
	{"IN1P", NULL, "Headset Mic"},
	{"Dmic Mux", "Front Mic", "DMIC"},
	{"Dmic Mux", "Rear Mic", "DMIC"},
	/* speaker */
	{ "Speakers", NULL, "Speaker" },
};

static const struct snd_kcontrol_new acp3x_mc_1015p_controls[] = {
	SOC_DAPM_PIN_SWITCH("Speakers"),
	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
	SOC_DAPM_PIN_SWITCH("Headset Mic"),
};

static struct snd_soc_card acp3x_1015p = {
	.name = "acp3xalc56821015p",
	.owner = THIS_MODULE,
	.dai_link = acp3x_dai,
	.num_links = ARRAY_SIZE(acp3x_dai),
	.dapm_widgets = acp3x_1015p_widgets,
	.num_dapm_widgets = ARRAY_SIZE(acp3x_1015p_widgets),
	.dapm_routes = acp3x_1015p_route,
	.num_dapm_routes = ARRAY_SIZE(acp3x_1015p_route),
	.controls = acp3x_mc_1015p_controls,
	.num_controls = ARRAY_SIZE(acp3x_mc_1015p_controls),
};

void *soc_is_rltk_max(struct device *dev)
{
	const struct acpi_device_id *match;

	match = acpi_match_device(dev->driver->acpi_match_table, dev);
	if (!match)
		return NULL;
	return (void *)match->driver_data;
}

static void card_spk_dai_link_present(struct snd_soc_dai_link *links,
						const char *card_name)
{
	if (!strcmp(card_name, "acp3xalc56821015")) {
		links[1].codecs = rt1015;
		links[1].num_codecs = ARRAY_SIZE(rt1015);
	} else if (!strcmp(card_name, "acp3xalc56821015p")) {
		links[1].codecs = rt1015p;
		links[1].num_codecs = ARRAY_SIZE(rt1015p);
	} else {
		links[1].codecs = max;
		links[1].num_codecs = ARRAY_SIZE(max);
	}
}

static int acp3x_probe(struct platform_device *pdev)
{
	int ret;
	struct snd_soc_card *card;
	struct acp3x_platform_info *machine;
	struct device *dev = &pdev->dev;

	card = (struct snd_soc_card *)soc_is_rltk_max(dev);
	if (!card)
		return -ENODEV;

	machine = devm_kzalloc(&pdev->dev, sizeof(*machine), GFP_KERNEL);
	if (!machine)
		return -ENOMEM;

	card_spk_dai_link_present(card->dai_link, card->name);
	card->dev = &pdev->dev;
	platform_set_drvdata(pdev, card);
	snd_soc_card_set_drvdata(card, machine);

	dmic_sel = devm_gpiod_get(&pdev->dev, "dmic", GPIOD_OUT_LOW);
	if (IS_ERR(dmic_sel)) {
		dev_err(&pdev->dev, "DMIC gpio failed err=%ld\n",
			PTR_ERR(dmic_sel));
		return PTR_ERR(dmic_sel);
	}

	ret = devm_snd_soc_register_card(&pdev->dev, card);
	if (ret) {
		return dev_err_probe(&pdev->dev, ret,
				"devm_snd_soc_register_card(%s) failed\n",
				card->name);
	}
	return 0;
}

static const struct acpi_device_id acp3x_audio_acpi_match[] = {
	{ "AMDI5682", (unsigned long)&acp3x_5682},
	{ "AMDI1015", (unsigned long)&acp3x_1015},
	{ "10021015", (unsigned long)&acp3x_1015p},
	{},
};
MODULE_DEVICE_TABLE(acpi, acp3x_audio_acpi_match);

static struct platform_driver acp3x_audio = {
	.driver = {
		.name = "acp3x-alc5682-max98357",
		.acpi_match_table = ACPI_PTR(acp3x_audio_acpi_match),
		.pm = &snd_soc_pm_ops,
	},
	.probe = acp3x_probe,
};

module_platform_driver(acp3x_audio);

MODULE_AUTHOR("akshu.agrawal@amd.com");
MODULE_AUTHOR("Vishnuvardhanrao.Ravulapati@amd.com");
MODULE_AUTHOR("Vijendar.Mukunda@amd.com");
MODULE_DESCRIPTION("ALC5682 ALC1015, ALC1015P & MAX98357 audio support");
MODULE_LICENSE("GPL v2");