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 = snd_soc_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 = devm_clk_get(component->dev, "rt5682-dai-wclk");
98 if (IS_ERR(rt5682_dai_wclk))
99 return PTR_ERR(rt5682_dai_wclk);
100
101 rt5682_dai_bclk = devm_clk_get(component->dev, "rt5682-dai-bclk");
102 if (IS_ERR(rt5682_dai_bclk))
103 return PTR_ERR(rt5682_dai_bclk);
104
105 ret = snd_soc_card_jack_new_pins(card, "Headset Jack",
106 SND_JACK_HEADSET |
107 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
108 SND_JACK_BTN_2 | SND_JACK_BTN_3,
109 &pco_jack,
110 pco_jack_pins,
111 ARRAY_SIZE(pco_jack_pins));
112 if (ret) {
113 dev_err(card->dev, "HP jack creation failed %d\n", ret);
114 return ret;
115 }
116
117 snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
118 snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
119 snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
120 snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
121
122 ret = snd_soc_component_set_jack(component, &pco_jack, NULL);
123 if (ret) {
124 dev_err(rtd->dev, "Headset Jack call-back failed: %d\n", ret);
125 return ret;
126 }
127
128 return ret;
129 }
130
rt5682_clk_enable(struct snd_pcm_substream * substream)131 static int rt5682_clk_enable(struct snd_pcm_substream *substream)
132 {
133 int ret = 0;
134 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
135
136 /* RT5682 will support only 48K output with 48M mclk */
137 clk_set_rate(rt5682_dai_wclk, 48000);
138 clk_set_rate(rt5682_dai_bclk, 48000 * 64);
139 ret = clk_prepare_enable(rt5682_dai_wclk);
140 if (ret < 0) {
141 dev_err(rtd->dev, "can't enable wclk %d\n", ret);
142 return ret;
143 }
144
145 return ret;
146 }
147
acp3x_1015_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)148 static int acp3x_1015_hw_params(struct snd_pcm_substream *substream,
149 struct snd_pcm_hw_params *params)
150 {
151 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
152 struct snd_soc_dai *codec_dai;
153 int srate, i, ret;
154
155 ret = 0;
156 srate = params_rate(params);
157
158 for_each_rtd_codec_dais(rtd, i, codec_dai) {
159 if (strcmp(codec_dai->name, "rt1015-aif"))
160 continue;
161
162 ret = snd_soc_dai_set_pll(codec_dai, 0, RT1015_PLL_S_BCLK,
163 64 * srate, 256 * srate);
164 if (ret < 0)
165 return ret;
166 ret = snd_soc_dai_set_sysclk(codec_dai, RT1015_SCLK_S_PLL,
167 256 * srate, SND_SOC_CLOCK_IN);
168 if (ret < 0)
169 return ret;
170 }
171 return ret;
172 }
173
rt5682_clk_disable(void)174 static void rt5682_clk_disable(void)
175 {
176 clk_disable_unprepare(rt5682_dai_wclk);
177 }
178
179 static const unsigned int channels[] = {
180 DUAL_CHANNEL,
181 };
182
183 static const unsigned int rates[] = {
184 48000,
185 };
186
187 static const struct snd_pcm_hw_constraint_list constraints_rates = {
188 .count = ARRAY_SIZE(rates),
189 .list = rates,
190 .mask = 0,
191 };
192
193 static const struct snd_pcm_hw_constraint_list constraints_channels = {
194 .count = ARRAY_SIZE(channels),
195 .list = channels,
196 .mask = 0,
197 };
198
acp3x_5682_startup(struct snd_pcm_substream * substream)199 static int acp3x_5682_startup(struct snd_pcm_substream *substream)
200 {
201 struct snd_pcm_runtime *runtime = substream->runtime;
202 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
203 struct snd_soc_card *card = rtd->card;
204 struct acp3x_platform_info *machine = snd_soc_card_get_drvdata(card);
205
206 machine->play_i2s_instance = I2S_SP_INSTANCE;
207 machine->cap_i2s_instance = I2S_SP_INSTANCE;
208
209 runtime->hw.channels_max = DUAL_CHANNEL;
210 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
211 &constraints_channels);
212 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
213 &constraints_rates);
214 return rt5682_clk_enable(substream);
215 }
216
acp3x_max_startup(struct snd_pcm_substream * substream)217 static int acp3x_max_startup(struct snd_pcm_substream *substream)
218 {
219 struct snd_pcm_runtime *runtime = substream->runtime;
220 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
221 struct snd_soc_card *card = rtd->card;
222 struct acp3x_platform_info *machine = snd_soc_card_get_drvdata(card);
223
224 machine->play_i2s_instance = I2S_BT_INSTANCE;
225
226 runtime->hw.channels_max = DUAL_CHANNEL;
227 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
228 &constraints_channels);
229 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
230 &constraints_rates);
231 return rt5682_clk_enable(substream);
232 }
233
acp3x_ec_dmic0_startup(struct snd_pcm_substream * substream)234 static int acp3x_ec_dmic0_startup(struct snd_pcm_substream *substream)
235 {
236 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
237 struct snd_soc_card *card = rtd->card;
238 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
239 struct acp3x_platform_info *machine = snd_soc_card_get_drvdata(card);
240
241 machine->cap_i2s_instance = I2S_BT_INSTANCE;
242 snd_soc_dai_set_bclk_ratio(codec_dai, 64);
243
244 return rt5682_clk_enable(substream);
245 }
246
247 static int dmic_switch;
248
dmic_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)249 static int dmic_get(struct snd_kcontrol *kcontrol,
250 struct snd_ctl_elem_value *ucontrol)
251 {
252 ucontrol->value.integer.value[0] = dmic_switch;
253 return 0;
254 }
255
dmic_set(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)256 static int dmic_set(struct snd_kcontrol *kcontrol,
257 struct snd_ctl_elem_value *ucontrol)
258 {
259 if (dmic_sel) {
260 dmic_switch = ucontrol->value.integer.value[0];
261 gpiod_set_value(dmic_sel, dmic_switch);
262 }
263 return 0;
264 }
265
rt5682_shutdown(struct snd_pcm_substream * substream)266 static void rt5682_shutdown(struct snd_pcm_substream *substream)
267 {
268 rt5682_clk_disable();
269 }
270
271 static const struct snd_soc_ops acp3x_5682_ops = {
272 .startup = acp3x_5682_startup,
273 .shutdown = rt5682_shutdown,
274 };
275
276 static const struct snd_soc_ops acp3x_max_play_ops = {
277 .startup = acp3x_max_startup,
278 .shutdown = rt5682_shutdown,
279 .hw_params = acp3x_1015_hw_params,
280 };
281
282 static const struct snd_soc_ops acp3x_ec_cap0_ops = {
283 .startup = acp3x_ec_dmic0_startup,
284 .shutdown = rt5682_shutdown,
285 };
286
287 SND_SOC_DAILINK_DEF(acp3x_i2s,
288 DAILINK_COMP_ARRAY(COMP_CPU("acp3x_i2s_playcap.0")));
289 SND_SOC_DAILINK_DEF(acp3x_bt,
290 DAILINK_COMP_ARRAY(COMP_CPU("acp3x_i2s_playcap.2")));
291
292 SND_SOC_DAILINK_DEF(rt5682,
293 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC5682:00", "rt5682-aif1")));
294 SND_SOC_DAILINK_DEF(max,
295 DAILINK_COMP_ARRAY(COMP_CODEC("MX98357A:00", "HiFi")));
296 SND_SOC_DAILINK_DEF(rt1015p,
297 DAILINK_COMP_ARRAY(COMP_CODEC("RTL1015:00", "HiFi")));
298 SND_SOC_DAILINK_DEF(rt1015,
299 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC1015:00", "rt1015-aif"),
300 COMP_CODEC("i2c-10EC1015:01", "rt1015-aif")));
301 SND_SOC_DAILINK_DEF(cros_ec,
302 DAILINK_COMP_ARRAY(COMP_CODEC("GOOG0013:00", "EC Codec I2S RX")));
303
304 SND_SOC_DAILINK_DEF(platform,
305 DAILINK_COMP_ARRAY(COMP_PLATFORM("acp3x_rv_i2s_dma.0")));
306
307 static struct snd_soc_codec_conf rt1015_conf[] = {
308 {
309 .dlc = COMP_CODEC_CONF("i2c-10EC1015:00"),
310 .name_prefix = "Left",
311 },
312 {
313 .dlc = COMP_CODEC_CONF("i2c-10EC1015:01"),
314 .name_prefix = "Right",
315 },
316 };
317
318 static struct snd_soc_dai_link acp3x_dai[] = {
319 [RT5682] = {
320 .name = "acp3x-5682-play",
321 .stream_name = "Playback",
322 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
323 | SND_SOC_DAIFMT_CBP_CFP,
324 .init = acp3x_5682_init,
325 .ops = &acp3x_5682_ops,
326 SND_SOC_DAILINK_REG(acp3x_i2s, rt5682, platform),
327 },
328 [MAX] = {
329 .name = "acp3x-max98357-play",
330 .stream_name = "HiFi Playback",
331 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
332 | SND_SOC_DAIFMT_CBC_CFC,
333 .playback_only = 1,
334 .ops = &acp3x_max_play_ops,
335 .cpus = acp3x_bt,
336 .num_cpus = ARRAY_SIZE(acp3x_bt),
337 .platforms = platform,
338 .num_platforms = ARRAY_SIZE(platform),
339 },
340 [EC] = {
341 .name = "acp3x-ec-dmic0-capture",
342 .stream_name = "Capture DMIC0",
343 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
344 | SND_SOC_DAIFMT_CBC_CFC,
345 .capture_only = 1,
346 .ops = &acp3x_ec_cap0_ops,
347 SND_SOC_DAILINK_REG(acp3x_bt, cros_ec, platform),
348 },
349 };
350
351 static const char * const dmic_mux_text[] = {
352 "Front Mic",
353 "Rear Mic",
354 };
355
356 static SOC_ENUM_SINGLE_DECL(
357 acp3x_dmic_enum, SND_SOC_NOPM, 0, dmic_mux_text);
358
359 static const struct snd_kcontrol_new acp3x_dmic_mux_control =
360 SOC_DAPM_ENUM_EXT("DMIC Select Mux", acp3x_dmic_enum,
361 dmic_get, dmic_set);
362
363 static const struct snd_soc_dapm_widget acp3x_5682_widgets[] = {
364 SND_SOC_DAPM_HP("Headphone Jack", NULL),
365 SND_SOC_DAPM_SPK("Spk", NULL),
366 SND_SOC_DAPM_MIC("Headset Mic", NULL),
367 SND_SOC_DAPM_MUX("Dmic Mux", SND_SOC_NOPM, 0, 0,
368 &acp3x_dmic_mux_control),
369 };
370
371 static const struct snd_soc_dapm_route acp3x_5682_audio_route[] = {
372 {"Headphone Jack", NULL, "HPOL"},
373 {"Headphone Jack", NULL, "HPOR"},
374 {"IN1P", NULL, "Headset Mic"},
375 {"Spk", NULL, "Speaker"},
376 {"Dmic Mux", "Front Mic", "DMIC"},
377 {"Dmic Mux", "Rear Mic", "DMIC"},
378 };
379
380 static const struct snd_kcontrol_new acp3x_5682_mc_controls[] = {
381 SOC_DAPM_PIN_SWITCH("Headphone Jack"),
382 SOC_DAPM_PIN_SWITCH("Spk"),
383 SOC_DAPM_PIN_SWITCH("Headset Mic"),
384 };
385
386 static struct snd_soc_card acp3x_5682 = {
387 .name = "acp3xalc5682m98357",
388 .owner = THIS_MODULE,
389 .dai_link = acp3x_dai,
390 .num_links = ARRAY_SIZE(acp3x_dai),
391 .dapm_widgets = acp3x_5682_widgets,
392 .num_dapm_widgets = ARRAY_SIZE(acp3x_5682_widgets),
393 .dapm_routes = acp3x_5682_audio_route,
394 .num_dapm_routes = ARRAY_SIZE(acp3x_5682_audio_route),
395 .controls = acp3x_5682_mc_controls,
396 .num_controls = ARRAY_SIZE(acp3x_5682_mc_controls),
397 };
398
399 static const struct snd_soc_dapm_widget acp3x_1015_widgets[] = {
400 SND_SOC_DAPM_HP("Headphone Jack", NULL),
401 SND_SOC_DAPM_MIC("Headset Mic", NULL),
402 SND_SOC_DAPM_MUX("Dmic Mux", SND_SOC_NOPM, 0, 0,
403 &acp3x_dmic_mux_control),
404 SND_SOC_DAPM_SPK("Left Spk", NULL),
405 SND_SOC_DAPM_SPK("Right Spk", NULL),
406 };
407
408 static const struct snd_soc_dapm_route acp3x_1015_route[] = {
409 {"Headphone Jack", NULL, "HPOL"},
410 {"Headphone Jack", NULL, "HPOR"},
411 {"IN1P", NULL, "Headset Mic"},
412 {"Dmic Mux", "Front Mic", "DMIC"},
413 {"Dmic Mux", "Rear Mic", "DMIC"},
414 {"Left Spk", NULL, "Left SPO"},
415 {"Right Spk", NULL, "Right SPO"},
416 };
417
418 static const struct snd_kcontrol_new acp3x_mc_1015_controls[] = {
419 SOC_DAPM_PIN_SWITCH("Headphone Jack"),
420 SOC_DAPM_PIN_SWITCH("Headset Mic"),
421 SOC_DAPM_PIN_SWITCH("Left Spk"),
422 SOC_DAPM_PIN_SWITCH("Right Spk"),
423 };
424
425 static struct snd_soc_card acp3x_1015 = {
426 .name = "acp3xalc56821015",
427 .owner = THIS_MODULE,
428 .dai_link = acp3x_dai,
429 .num_links = ARRAY_SIZE(acp3x_dai),
430 .dapm_widgets = acp3x_1015_widgets,
431 .num_dapm_widgets = ARRAY_SIZE(acp3x_1015_widgets),
432 .dapm_routes = acp3x_1015_route,
433 .num_dapm_routes = ARRAY_SIZE(acp3x_1015_route),
434 .codec_conf = rt1015_conf,
435 .num_configs = ARRAY_SIZE(rt1015_conf),
436 .controls = acp3x_mc_1015_controls,
437 .num_controls = ARRAY_SIZE(acp3x_mc_1015_controls),
438 };
439
440 static const struct snd_soc_dapm_widget acp3x_1015p_widgets[] = {
441 SND_SOC_DAPM_HP("Headphone Jack", NULL),
442 SND_SOC_DAPM_MIC("Headset Mic", NULL),
443 SND_SOC_DAPM_MUX("Dmic Mux", SND_SOC_NOPM, 0, 0,
444 &acp3x_dmic_mux_control),
445 SND_SOC_DAPM_SPK("Speakers", NULL),
446 };
447
448 static const struct snd_soc_dapm_route acp3x_1015p_route[] = {
449 {"Headphone Jack", NULL, "HPOL"},
450 {"Headphone Jack", NULL, "HPOR"},
451 {"IN1P", NULL, "Headset Mic"},
452 {"Dmic Mux", "Front Mic", "DMIC"},
453 {"Dmic Mux", "Rear Mic", "DMIC"},
454 /* speaker */
455 { "Speakers", NULL, "Speaker" },
456 };
457
458 static const struct snd_kcontrol_new acp3x_mc_1015p_controls[] = {
459 SOC_DAPM_PIN_SWITCH("Speakers"),
460 SOC_DAPM_PIN_SWITCH("Headphone Jack"),
461 SOC_DAPM_PIN_SWITCH("Headset Mic"),
462 };
463
464 static struct snd_soc_card acp3x_1015p = {
465 .name = "acp3xalc56821015p",
466 .owner = THIS_MODULE,
467 .dai_link = acp3x_dai,
468 .num_links = ARRAY_SIZE(acp3x_dai),
469 .dapm_widgets = acp3x_1015p_widgets,
470 .num_dapm_widgets = ARRAY_SIZE(acp3x_1015p_widgets),
471 .dapm_routes = acp3x_1015p_route,
472 .num_dapm_routes = ARRAY_SIZE(acp3x_1015p_route),
473 .controls = acp3x_mc_1015p_controls,
474 .num_controls = ARRAY_SIZE(acp3x_mc_1015p_controls),
475 };
476
soc_is_rltk_max(struct device * dev)477 void *soc_is_rltk_max(struct device *dev)
478 {
479 const struct acpi_device_id *match;
480
481 match = acpi_match_device(dev->driver->acpi_match_table, dev);
482 if (!match)
483 return NULL;
484 return (void *)match->driver_data;
485 }
486
card_spk_dai_link_present(struct snd_soc_dai_link * links,const char * card_name)487 static void card_spk_dai_link_present(struct snd_soc_dai_link *links,
488 const char *card_name)
489 {
490 if (!strcmp(card_name, "acp3xalc56821015")) {
491 links[1].codecs = rt1015;
492 links[1].num_codecs = ARRAY_SIZE(rt1015);
493 } else if (!strcmp(card_name, "acp3xalc56821015p")) {
494 links[1].codecs = rt1015p;
495 links[1].num_codecs = ARRAY_SIZE(rt1015p);
496 } else {
497 links[1].codecs = max;
498 links[1].num_codecs = ARRAY_SIZE(max);
499 }
500 }
501
acp3x_probe(struct platform_device * pdev)502 static int acp3x_probe(struct platform_device *pdev)
503 {
504 int ret;
505 struct snd_soc_card *card;
506 struct acp3x_platform_info *machine;
507 struct device *dev = &pdev->dev;
508
509 card = (struct snd_soc_card *)soc_is_rltk_max(dev);
510 if (!card)
511 return -ENODEV;
512
513 machine = devm_kzalloc(&pdev->dev, sizeof(*machine), GFP_KERNEL);
514 if (!machine)
515 return -ENOMEM;
516
517 card_spk_dai_link_present(card->dai_link, card->name);
518 card->dev = &pdev->dev;
519 platform_set_drvdata(pdev, card);
520 snd_soc_card_set_drvdata(card, machine);
521
522 dmic_sel = devm_gpiod_get(&pdev->dev, "dmic", GPIOD_OUT_LOW);
523 if (IS_ERR(dmic_sel)) {
524 dev_err(&pdev->dev, "DMIC gpio failed err=%ld\n",
525 PTR_ERR(dmic_sel));
526 return PTR_ERR(dmic_sel);
527 }
528
529 ret = devm_snd_soc_register_card(&pdev->dev, card);
530 if (ret) {
531 return dev_err_probe(&pdev->dev, ret,
532 "devm_snd_soc_register_card(%s) failed\n",
533 card->name);
534 }
535 return 0;
536 }
537
538 static const struct acpi_device_id acp3x_audio_acpi_match[] = {
539 { "AMDI5682", (unsigned long)&acp3x_5682},
540 { "AMDI1015", (unsigned long)&acp3x_1015},
541 { "10021015", (unsigned long)&acp3x_1015p},
542 {},
543 };
544 MODULE_DEVICE_TABLE(acpi, acp3x_audio_acpi_match);
545
546 static struct platform_driver acp3x_audio = {
547 .driver = {
548 .name = "acp3x-alc5682-max98357",
549 .acpi_match_table = ACPI_PTR(acp3x_audio_acpi_match),
550 .pm = &snd_soc_pm_ops,
551 },
552 .probe = acp3x_probe,
553 };
554
555 module_platform_driver(acp3x_audio);
556
557 MODULE_AUTHOR("akshu.agrawal@amd.com");
558 MODULE_AUTHOR("Vishnuvardhanrao.Ravulapati@amd.com");
559 MODULE_AUTHOR("Vijendar.Mukunda@amd.com");
560 MODULE_DESCRIPTION("ALC5682 ALC1015, ALC1015P & MAX98357 audio support");
561 MODULE_LICENSE("GPL v2");
562