1 // SPDX-License-Identifier: GPL-2.0+
2 //
3 // Machine driver for AMD ACP Audio engine using DA7219 & MAX98357 codec.
4 //
5 //Copyright 2016 Advanced Micro Devices, Inc.
6
7 #include <sound/core.h>
8 #include <sound/soc.h>
9 #include <sound/pcm.h>
10 #include <sound/pcm_params.h>
11 #include <sound/soc-dapm.h>
12 #include <sound/jack.h>
13 #include <linux/clk.h>
14 #include <linux/gpio.h>
15 #include <linux/gpio/consumer.h>
16 #include <linux/module.h>
17 #include <linux/i2c.h>
18 #include <linux/input.h>
19 #include <linux/io.h>
20 #include <linux/acpi.h>
21
22 #include "raven/acp3x.h"
23 #include "../codecs/rt5682.h"
24 #include "../codecs/rt1015.h"
25
26 #define PCO_PLAT_CLK 48000000
27 #define RT5682_PLL_FREQ (48000 * 512)
28 #define DUAL_CHANNEL 2
29
30 static struct snd_soc_jack pco_jack;
31 static struct snd_soc_jack_pin pco_jack_pins[] = {
32 {
33 .pin = "Headphone Jack",
34 .mask = SND_JACK_HEADPHONE,
35 },
36 {
37 .pin = "Headset Mic",
38 .mask = SND_JACK_MICROPHONE,
39 },
40 };
41
42 static struct clk *rt5682_dai_wclk;
43 static struct clk *rt5682_dai_bclk;
44 static struct gpio_desc *dmic_sel;
45 void *soc_is_rltk_max(struct device *dev);
46
47 enum {
48 RT5682 = 0,
49 MAX,
50 EC,
51 };
52
acp3x_5682_init(struct snd_soc_pcm_runtime * rtd)53 static int acp3x_5682_init(struct snd_soc_pcm_runtime *rtd)
54 {
55 int ret;
56 struct snd_soc_card *card = rtd->card;
57 struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
58 struct snd_soc_component *component = codec_dai->component;
59
60 dev_info(rtd->dev, "codec dai name = %s\n", codec_dai->name);
61
62 /* set rt5682 dai fmt */
63 ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S
64 | SND_SOC_DAIFMT_NB_NF
65 | SND_SOC_DAIFMT_CBP_CFP);
66 if (ret < 0) {
67 dev_err(rtd->card->dev,
68 "Failed to set rt5682 dai fmt: %d\n", ret);
69 return ret;
70 }
71
72 /* set codec PLL */
73 ret = snd_soc_dai_set_pll(codec_dai, RT5682_PLL2, RT5682_PLL2_S_MCLK,
74 PCO_PLAT_CLK, RT5682_PLL_FREQ);
75 if (ret < 0) {
76 dev_err(rtd->dev, "can't set rt5682 PLL: %d\n", ret);
77 return ret;
78 }
79
80 /* Set codec sysclk */
81 ret = snd_soc_dai_set_sysclk(codec_dai, RT5682_SCLK_S_PLL2,
82 RT5682_PLL_FREQ, SND_SOC_CLOCK_IN);
83 if (ret < 0) {
84 dev_err(rtd->dev,
85 "Failed to set rt5682 SYSCLK: %d\n", ret);
86 return ret;
87 }
88
89 /* Set tdm/i2s1 master bclk ratio */
90 ret = snd_soc_dai_set_bclk_ratio(codec_dai, 64);
91 if (ret < 0) {
92 dev_err(rtd->dev,
93 "Failed to set rt5682 tdm bclk ratio: %d\n", ret);
94 return ret;
95 }
96
97 rt5682_dai_wclk = clk_get(component->dev, "rt5682-dai-wclk");
98 rt5682_dai_bclk = clk_get(component->dev, "rt5682-dai-bclk");
99
100 ret = snd_soc_card_jack_new_pins(card, "Headset Jack",
101 SND_JACK_HEADSET |
102 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
103 SND_JACK_BTN_2 | SND_JACK_BTN_3,
104 &pco_jack,
105 pco_jack_pins,
106 ARRAY_SIZE(pco_jack_pins));
107 if (ret) {
108 dev_err(card->dev, "HP jack creation failed %d\n", ret);
109 return ret;
110 }
111
112 snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
113 snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
114 snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
115 snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
116
117 ret = snd_soc_component_set_jack(component, &pco_jack, NULL);
118 if (ret) {
119 dev_err(rtd->dev, "Headset Jack call-back failed: %d\n", ret);
120 return ret;
121 }
122
123 return ret;
124 }
125
rt5682_clk_enable(struct snd_pcm_substream * substream)126 static int rt5682_clk_enable(struct snd_pcm_substream *substream)
127 {
128 int ret = 0;
129 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
130
131 /* RT5682 will support only 48K output with 48M mclk */
132 clk_set_rate(rt5682_dai_wclk, 48000);
133 clk_set_rate(rt5682_dai_bclk, 48000 * 64);
134 ret = clk_prepare_enable(rt5682_dai_wclk);
135 if (ret < 0) {
136 dev_err(rtd->dev, "can't enable wclk %d\n", ret);
137 return ret;
138 }
139
140 return ret;
141 }
142
acp3x_1015_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)143 static int acp3x_1015_hw_params(struct snd_pcm_substream *substream,
144 struct snd_pcm_hw_params *params)
145 {
146 struct snd_soc_pcm_runtime *rtd = substream->private_data;
147 struct snd_soc_dai *codec_dai;
148 int srate, i, ret;
149
150 ret = 0;
151 srate = params_rate(params);
152
153 for_each_rtd_codec_dais(rtd, i, codec_dai) {
154 if (strcmp(codec_dai->name, "rt1015-aif"))
155 continue;
156
157 ret = snd_soc_dai_set_pll(codec_dai, 0, RT1015_PLL_S_BCLK,
158 64 * srate, 256 * srate);
159 if (ret < 0)
160 return ret;
161 ret = snd_soc_dai_set_sysclk(codec_dai, RT1015_SCLK_S_PLL,
162 256 * srate, SND_SOC_CLOCK_IN);
163 if (ret < 0)
164 return ret;
165 }
166 return ret;
167 }
168
rt5682_clk_disable(void)169 static void rt5682_clk_disable(void)
170 {
171 clk_disable_unprepare(rt5682_dai_wclk);
172 }
173
174 static const unsigned int channels[] = {
175 DUAL_CHANNEL,
176 };
177
178 static const unsigned int rates[] = {
179 48000,
180 };
181
182 static const struct snd_pcm_hw_constraint_list constraints_rates = {
183 .count = ARRAY_SIZE(rates),
184 .list = rates,
185 .mask = 0,
186 };
187
188 static const struct snd_pcm_hw_constraint_list constraints_channels = {
189 .count = ARRAY_SIZE(channels),
190 .list = channels,
191 .mask = 0,
192 };
193
acp3x_5682_startup(struct snd_pcm_substream * substream)194 static int acp3x_5682_startup(struct snd_pcm_substream *substream)
195 {
196 struct snd_pcm_runtime *runtime = substream->runtime;
197 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
198 struct snd_soc_card *card = rtd->card;
199 struct acp3x_platform_info *machine = snd_soc_card_get_drvdata(card);
200
201 machine->play_i2s_instance = I2S_SP_INSTANCE;
202 machine->cap_i2s_instance = I2S_SP_INSTANCE;
203
204 runtime->hw.channels_max = DUAL_CHANNEL;
205 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
206 &constraints_channels);
207 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
208 &constraints_rates);
209 return rt5682_clk_enable(substream);
210 }
211
acp3x_max_startup(struct snd_pcm_substream * substream)212 static int acp3x_max_startup(struct snd_pcm_substream *substream)
213 {
214 struct snd_pcm_runtime *runtime = substream->runtime;
215 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
216 struct snd_soc_card *card = rtd->card;
217 struct acp3x_platform_info *machine = snd_soc_card_get_drvdata(card);
218
219 machine->play_i2s_instance = I2S_BT_INSTANCE;
220
221 runtime->hw.channels_max = DUAL_CHANNEL;
222 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
223 &constraints_channels);
224 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
225 &constraints_rates);
226 return rt5682_clk_enable(substream);
227 }
228
acp3x_ec_dmic0_startup(struct snd_pcm_substream * substream)229 static int acp3x_ec_dmic0_startup(struct snd_pcm_substream *substream)
230 {
231 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
232 struct snd_soc_card *card = rtd->card;
233 struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
234 struct acp3x_platform_info *machine = snd_soc_card_get_drvdata(card);
235
236 machine->cap_i2s_instance = I2S_BT_INSTANCE;
237 snd_soc_dai_set_bclk_ratio(codec_dai, 64);
238
239 return rt5682_clk_enable(substream);
240 }
241
242 static int dmic_switch;
243
dmic_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)244 static int dmic_get(struct snd_kcontrol *kcontrol,
245 struct snd_ctl_elem_value *ucontrol)
246 {
247 ucontrol->value.integer.value[0] = dmic_switch;
248 return 0;
249 }
250
dmic_set(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)251 static int dmic_set(struct snd_kcontrol *kcontrol,
252 struct snd_ctl_elem_value *ucontrol)
253 {
254 if (dmic_sel) {
255 dmic_switch = ucontrol->value.integer.value[0];
256 gpiod_set_value(dmic_sel, dmic_switch);
257 }
258 return 0;
259 }
260
rt5682_shutdown(struct snd_pcm_substream * substream)261 static void rt5682_shutdown(struct snd_pcm_substream *substream)
262 {
263 rt5682_clk_disable();
264 }
265
266 static const struct snd_soc_ops acp3x_5682_ops = {
267 .startup = acp3x_5682_startup,
268 .shutdown = rt5682_shutdown,
269 };
270
271 static const struct snd_soc_ops acp3x_max_play_ops = {
272 .startup = acp3x_max_startup,
273 .shutdown = rt5682_shutdown,
274 .hw_params = acp3x_1015_hw_params,
275 };
276
277 static const struct snd_soc_ops acp3x_ec_cap0_ops = {
278 .startup = acp3x_ec_dmic0_startup,
279 .shutdown = rt5682_shutdown,
280 };
281
282 SND_SOC_DAILINK_DEF(acp3x_i2s,
283 DAILINK_COMP_ARRAY(COMP_CPU("acp3x_i2s_playcap.0")));
284 SND_SOC_DAILINK_DEF(acp3x_bt,
285 DAILINK_COMP_ARRAY(COMP_CPU("acp3x_i2s_playcap.2")));
286
287 SND_SOC_DAILINK_DEF(rt5682,
288 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC5682:00", "rt5682-aif1")));
289 SND_SOC_DAILINK_DEF(max,
290 DAILINK_COMP_ARRAY(COMP_CODEC("MX98357A:00", "HiFi")));
291 SND_SOC_DAILINK_DEF(rt1015p,
292 DAILINK_COMP_ARRAY(COMP_CODEC("RTL1015:00", "HiFi")));
293 SND_SOC_DAILINK_DEF(rt1015,
294 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC1015:00", "rt1015-aif"),
295 COMP_CODEC("i2c-10EC1015:01", "rt1015-aif")));
296 SND_SOC_DAILINK_DEF(cros_ec,
297 DAILINK_COMP_ARRAY(COMP_CODEC("GOOG0013:00", "EC Codec I2S RX")));
298
299 SND_SOC_DAILINK_DEF(platform,
300 DAILINK_COMP_ARRAY(COMP_PLATFORM("acp3x_rv_i2s_dma.0")));
301
302 static struct snd_soc_codec_conf rt1015_conf[] = {
303 {
304 .dlc = COMP_CODEC_CONF("i2c-10EC1015:00"),
305 .name_prefix = "Left",
306 },
307 {
308 .dlc = COMP_CODEC_CONF("i2c-10EC1015:01"),
309 .name_prefix = "Right",
310 },
311 };
312
313 static struct snd_soc_dai_link acp3x_dai[] = {
314 [RT5682] = {
315 .name = "acp3x-5682-play",
316 .stream_name = "Playback",
317 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
318 | SND_SOC_DAIFMT_CBP_CFP,
319 .init = acp3x_5682_init,
320 .dpcm_playback = 1,
321 .dpcm_capture = 1,
322 .ops = &acp3x_5682_ops,
323 SND_SOC_DAILINK_REG(acp3x_i2s, rt5682, platform),
324 },
325 [MAX] = {
326 .name = "acp3x-max98357-play",
327 .stream_name = "HiFi Playback",
328 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
329 | SND_SOC_DAIFMT_CBC_CFC,
330 .dpcm_playback = 1,
331 .ops = &acp3x_max_play_ops,
332 .cpus = acp3x_bt,
333 .num_cpus = ARRAY_SIZE(acp3x_bt),
334 .platforms = platform,
335 .num_platforms = ARRAY_SIZE(platform),
336 },
337 [EC] = {
338 .name = "acp3x-ec-dmic0-capture",
339 .stream_name = "Capture DMIC0",
340 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
341 | SND_SOC_DAIFMT_CBC_CFC,
342 .dpcm_capture = 1,
343 .ops = &acp3x_ec_cap0_ops,
344 SND_SOC_DAILINK_REG(acp3x_bt, cros_ec, platform),
345 },
346 };
347
348 static const char * const dmic_mux_text[] = {
349 "Front Mic",
350 "Rear Mic",
351 };
352
353 static SOC_ENUM_SINGLE_DECL(
354 acp3x_dmic_enum, SND_SOC_NOPM, 0, dmic_mux_text);
355
356 static const struct snd_kcontrol_new acp3x_dmic_mux_control =
357 SOC_DAPM_ENUM_EXT("DMIC Select Mux", acp3x_dmic_enum,
358 dmic_get, dmic_set);
359
360 static const struct snd_soc_dapm_widget acp3x_5682_widgets[] = {
361 SND_SOC_DAPM_HP("Headphone Jack", NULL),
362 SND_SOC_DAPM_SPK("Spk", NULL),
363 SND_SOC_DAPM_MIC("Headset Mic", NULL),
364 SND_SOC_DAPM_MUX("Dmic Mux", SND_SOC_NOPM, 0, 0,
365 &acp3x_dmic_mux_control),
366 };
367
368 static const struct snd_soc_dapm_route acp3x_5682_audio_route[] = {
369 {"Headphone Jack", NULL, "HPOL"},
370 {"Headphone Jack", NULL, "HPOR"},
371 {"IN1P", NULL, "Headset Mic"},
372 {"Spk", NULL, "Speaker"},
373 {"Dmic Mux", "Front Mic", "DMIC"},
374 {"Dmic Mux", "Rear Mic", "DMIC"},
375 };
376
377 static const struct snd_kcontrol_new acp3x_5682_mc_controls[] = {
378 SOC_DAPM_PIN_SWITCH("Headphone Jack"),
379 SOC_DAPM_PIN_SWITCH("Spk"),
380 SOC_DAPM_PIN_SWITCH("Headset Mic"),
381 };
382
383 static struct snd_soc_card acp3x_5682 = {
384 .name = "acp3xalc5682m98357",
385 .owner = THIS_MODULE,
386 .dai_link = acp3x_dai,
387 .num_links = ARRAY_SIZE(acp3x_dai),
388 .dapm_widgets = acp3x_5682_widgets,
389 .num_dapm_widgets = ARRAY_SIZE(acp3x_5682_widgets),
390 .dapm_routes = acp3x_5682_audio_route,
391 .num_dapm_routes = ARRAY_SIZE(acp3x_5682_audio_route),
392 .controls = acp3x_5682_mc_controls,
393 .num_controls = ARRAY_SIZE(acp3x_5682_mc_controls),
394 };
395
396 static const struct snd_soc_dapm_widget acp3x_1015_widgets[] = {
397 SND_SOC_DAPM_HP("Headphone Jack", NULL),
398 SND_SOC_DAPM_MIC("Headset Mic", NULL),
399 SND_SOC_DAPM_MUX("Dmic Mux", SND_SOC_NOPM, 0, 0,
400 &acp3x_dmic_mux_control),
401 SND_SOC_DAPM_SPK("Left Spk", NULL),
402 SND_SOC_DAPM_SPK("Right Spk", NULL),
403 };
404
405 static const struct snd_soc_dapm_route acp3x_1015_route[] = {
406 {"Headphone Jack", NULL, "HPOL"},
407 {"Headphone Jack", NULL, "HPOR"},
408 {"IN1P", NULL, "Headset Mic"},
409 {"Dmic Mux", "Front Mic", "DMIC"},
410 {"Dmic Mux", "Rear Mic", "DMIC"},
411 {"Left Spk", NULL, "Left SPO"},
412 {"Right Spk", NULL, "Right SPO"},
413 };
414
415 static const struct snd_kcontrol_new acp3x_mc_1015_controls[] = {
416 SOC_DAPM_PIN_SWITCH("Headphone Jack"),
417 SOC_DAPM_PIN_SWITCH("Headset Mic"),
418 SOC_DAPM_PIN_SWITCH("Left Spk"),
419 SOC_DAPM_PIN_SWITCH("Right Spk"),
420 };
421
422 static struct snd_soc_card acp3x_1015 = {
423 .name = "acp3xalc56821015",
424 .owner = THIS_MODULE,
425 .dai_link = acp3x_dai,
426 .num_links = ARRAY_SIZE(acp3x_dai),
427 .dapm_widgets = acp3x_1015_widgets,
428 .num_dapm_widgets = ARRAY_SIZE(acp3x_1015_widgets),
429 .dapm_routes = acp3x_1015_route,
430 .num_dapm_routes = ARRAY_SIZE(acp3x_1015_route),
431 .codec_conf = rt1015_conf,
432 .num_configs = ARRAY_SIZE(rt1015_conf),
433 .controls = acp3x_mc_1015_controls,
434 .num_controls = ARRAY_SIZE(acp3x_mc_1015_controls),
435 };
436
437 static const struct snd_soc_dapm_widget acp3x_1015p_widgets[] = {
438 SND_SOC_DAPM_HP("Headphone Jack", NULL),
439 SND_SOC_DAPM_MIC("Headset Mic", NULL),
440 SND_SOC_DAPM_MUX("Dmic Mux", SND_SOC_NOPM, 0, 0,
441 &acp3x_dmic_mux_control),
442 SND_SOC_DAPM_SPK("Speakers", NULL),
443 };
444
445 static const struct snd_soc_dapm_route acp3x_1015p_route[] = {
446 {"Headphone Jack", NULL, "HPOL"},
447 {"Headphone Jack", NULL, "HPOR"},
448 {"IN1P", NULL, "Headset Mic"},
449 {"Dmic Mux", "Front Mic", "DMIC"},
450 {"Dmic Mux", "Rear Mic", "DMIC"},
451 /* speaker */
452 { "Speakers", NULL, "Speaker" },
453 };
454
455 static const struct snd_kcontrol_new acp3x_mc_1015p_controls[] = {
456 SOC_DAPM_PIN_SWITCH("Speakers"),
457 SOC_DAPM_PIN_SWITCH("Headphone Jack"),
458 SOC_DAPM_PIN_SWITCH("Headset Mic"),
459 };
460
461 static struct snd_soc_card acp3x_1015p = {
462 .name = "acp3xalc56821015p",
463 .owner = THIS_MODULE,
464 .dai_link = acp3x_dai,
465 .num_links = ARRAY_SIZE(acp3x_dai),
466 .dapm_widgets = acp3x_1015p_widgets,
467 .num_dapm_widgets = ARRAY_SIZE(acp3x_1015p_widgets),
468 .dapm_routes = acp3x_1015p_route,
469 .num_dapm_routes = ARRAY_SIZE(acp3x_1015p_route),
470 .controls = acp3x_mc_1015p_controls,
471 .num_controls = ARRAY_SIZE(acp3x_mc_1015p_controls),
472 };
473
soc_is_rltk_max(struct device * dev)474 void *soc_is_rltk_max(struct device *dev)
475 {
476 const struct acpi_device_id *match;
477
478 match = acpi_match_device(dev->driver->acpi_match_table, dev);
479 if (!match)
480 return NULL;
481 return (void *)match->driver_data;
482 }
483
card_spk_dai_link_present(struct snd_soc_dai_link * links,const char * card_name)484 static void card_spk_dai_link_present(struct snd_soc_dai_link *links,
485 const char *card_name)
486 {
487 if (!strcmp(card_name, "acp3xalc56821015")) {
488 links[1].codecs = rt1015;
489 links[1].num_codecs = ARRAY_SIZE(rt1015);
490 } else if (!strcmp(card_name, "acp3xalc56821015p")) {
491 links[1].codecs = rt1015p;
492 links[1].num_codecs = ARRAY_SIZE(rt1015p);
493 } else {
494 links[1].codecs = max;
495 links[1].num_codecs = ARRAY_SIZE(max);
496 }
497 }
498
acp3x_probe(struct platform_device * pdev)499 static int acp3x_probe(struct platform_device *pdev)
500 {
501 int ret;
502 struct snd_soc_card *card;
503 struct acp3x_platform_info *machine;
504 struct device *dev = &pdev->dev;
505
506 card = (struct snd_soc_card *)soc_is_rltk_max(dev);
507 if (!card)
508 return -ENODEV;
509
510 machine = devm_kzalloc(&pdev->dev, sizeof(*machine), GFP_KERNEL);
511 if (!machine)
512 return -ENOMEM;
513
514 card_spk_dai_link_present(card->dai_link, card->name);
515 card->dev = &pdev->dev;
516 platform_set_drvdata(pdev, card);
517 snd_soc_card_set_drvdata(card, machine);
518
519 dmic_sel = devm_gpiod_get(&pdev->dev, "dmic", GPIOD_OUT_LOW);
520 if (IS_ERR(dmic_sel)) {
521 dev_err(&pdev->dev, "DMIC gpio failed err=%ld\n",
522 PTR_ERR(dmic_sel));
523 return PTR_ERR(dmic_sel);
524 }
525
526 ret = devm_snd_soc_register_card(&pdev->dev, card);
527 if (ret) {
528 return dev_err_probe(&pdev->dev, ret,
529 "devm_snd_soc_register_card(%s) failed\n",
530 card->name);
531 }
532 return 0;
533 }
534
535 static const struct acpi_device_id acp3x_audio_acpi_match[] = {
536 { "AMDI5682", (unsigned long)&acp3x_5682},
537 { "AMDI1015", (unsigned long)&acp3x_1015},
538 { "10021015", (unsigned long)&acp3x_1015p},
539 {},
540 };
541 MODULE_DEVICE_TABLE(acpi, acp3x_audio_acpi_match);
542
543 static struct platform_driver acp3x_audio = {
544 .driver = {
545 .name = "acp3x-alc5682-max98357",
546 .acpi_match_table = ACPI_PTR(acp3x_audio_acpi_match),
547 .pm = &snd_soc_pm_ops,
548 },
549 .probe = acp3x_probe,
550 };
551
552 module_platform_driver(acp3x_audio);
553
554 MODULE_AUTHOR("akshu.agrawal@amd.com");
555 MODULE_AUTHOR("Vishnuvardhanrao.Ravulapati@amd.com");
556 MODULE_AUTHOR("Vijendar.Mukunda@amd.com");
557 MODULE_DESCRIPTION("ALC5682 ALC1015, ALC1015P & MAX98357 audio support");
558 MODULE_LICENSE("GPL v2");
559