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9#include <linux/module.h>
10#include <linux/init.h>
11#include <linux/i2c.h>
12#include <linux/spi/spi.h>
13#include <linux/slab.h>
14#include <sound/core.h>
15#include <sound/pcm.h>
16#include <sound/pcm_params.h>
17#include <sound/soc.h>
18#include <sound/tlv.h>
19#include <linux/platform_data/adau17x1.h>
20
21#include "adau17x1.h"
22#include "adau1781.h"
23
24#define ADAU1781_DMIC_BEEP_CTRL 0x4008
25#define ADAU1781_LEFT_PGA 0x400e
26#define ADAU1781_RIGHT_PGA 0x400f
27#define ADAU1781_LEFT_PLAYBACK_MIXER 0x401c
28#define ADAU1781_RIGHT_PLAYBACK_MIXER 0x401e
29#define ADAU1781_MONO_PLAYBACK_MIXER 0x401f
30#define ADAU1781_LEFT_LINEOUT 0x4025
31#define ADAU1781_RIGHT_LINEOUT 0x4026
32#define ADAU1781_SPEAKER 0x4027
33#define ADAU1781_BEEP_ZC 0x4028
34#define ADAU1781_DEJITTER 0x4032
35#define ADAU1781_DIG_PWDN0 0x4080
36#define ADAU1781_DIG_PWDN1 0x4081
37
38#define ADAU1781_INPUT_DIFFERNTIAL BIT(3)
39
40#define ADAU1381_FIRMWARE "adau1381.bin"
41#define ADAU1781_FIRMWARE "adau1781.bin"
42
43static const struct reg_default adau1781_reg_defaults[] = {
44 { ADAU1781_DMIC_BEEP_CTRL, 0x00 },
45 { ADAU1781_LEFT_PGA, 0xc7 },
46 { ADAU1781_RIGHT_PGA, 0xc7 },
47 { ADAU1781_LEFT_PLAYBACK_MIXER, 0x00 },
48 { ADAU1781_RIGHT_PLAYBACK_MIXER, 0x00 },
49 { ADAU1781_MONO_PLAYBACK_MIXER, 0x00 },
50 { ADAU1781_LEFT_LINEOUT, 0x00 },
51 { ADAU1781_RIGHT_LINEOUT, 0x00 },
52 { ADAU1781_SPEAKER, 0x00 },
53 { ADAU1781_BEEP_ZC, 0x19 },
54 { ADAU1781_DEJITTER, 0x60 },
55 { ADAU1781_DIG_PWDN1, 0x0c },
56 { ADAU1781_DIG_PWDN1, 0x00 },
57 { ADAU17X1_CLOCK_CONTROL, 0x00 },
58 { ADAU17X1_PLL_CONTROL, 0x00 },
59 { ADAU17X1_REC_POWER_MGMT, 0x00 },
60 { ADAU17X1_MICBIAS, 0x04 },
61 { ADAU17X1_SERIAL_PORT0, 0x00 },
62 { ADAU17X1_SERIAL_PORT1, 0x00 },
63 { ADAU17X1_CONVERTER0, 0x00 },
64 { ADAU17X1_CONVERTER1, 0x00 },
65 { ADAU17X1_LEFT_INPUT_DIGITAL_VOL, 0x00 },
66 { ADAU17X1_RIGHT_INPUT_DIGITAL_VOL, 0x00 },
67 { ADAU17X1_ADC_CONTROL, 0x00 },
68 { ADAU17X1_PLAY_POWER_MGMT, 0x00 },
69 { ADAU17X1_DAC_CONTROL0, 0x00 },
70 { ADAU17X1_DAC_CONTROL1, 0x00 },
71 { ADAU17X1_DAC_CONTROL2, 0x00 },
72 { ADAU17X1_SERIAL_PORT_PAD, 0x00 },
73 { ADAU17X1_CONTROL_PORT_PAD0, 0x00 },
74 { ADAU17X1_CONTROL_PORT_PAD1, 0x00 },
75 { ADAU17X1_DSP_SAMPLING_RATE, 0x01 },
76 { ADAU17X1_SERIAL_INPUT_ROUTE, 0x00 },
77 { ADAU17X1_SERIAL_OUTPUT_ROUTE, 0x00 },
78 { ADAU17X1_DSP_ENABLE, 0x00 },
79 { ADAU17X1_DSP_RUN, 0x00 },
80 { ADAU17X1_SERIAL_SAMPLING_RATE, 0x00 },
81};
82
83static const DECLARE_TLV_DB_SCALE(adau1781_speaker_tlv, 0, 200, 0);
84
85static const DECLARE_TLV_DB_RANGE(adau1781_pga_tlv,
86 0, 1, TLV_DB_SCALE_ITEM(0, 600, 0),
87 2, 3, TLV_DB_SCALE_ITEM(1000, 400, 0),
88 4, 4, TLV_DB_SCALE_ITEM(1700, 0, 0),
89 5, 7, TLV_DB_SCALE_ITEM(2000, 600, 0)
90);
91
92static const DECLARE_TLV_DB_RANGE(adau1781_beep_tlv,
93 0, 1, TLV_DB_SCALE_ITEM(0, 600, 0),
94 2, 3, TLV_DB_SCALE_ITEM(1000, 400, 0),
95 4, 4, TLV_DB_SCALE_ITEM(-2300, 0, 0),
96 5, 7, TLV_DB_SCALE_ITEM(2000, 600, 0)
97);
98
99static const DECLARE_TLV_DB_SCALE(adau1781_sidetone_tlv, -1800, 300, 1);
100
101static const char * const adau1781_speaker_bias_select_text[] = {
102 "Normal operation", "Power saving", "Enhanced performance",
103};
104
105static const char * const adau1781_bias_select_text[] = {
106 "Normal operation", "Extreme power saving", "Power saving",
107 "Enhanced performance",
108};
109
110static SOC_ENUM_SINGLE_DECL(adau1781_adc_bias_enum,
111 ADAU17X1_REC_POWER_MGMT, 3, adau1781_bias_select_text);
112static SOC_ENUM_SINGLE_DECL(adau1781_speaker_bias_enum,
113 ADAU17X1_PLAY_POWER_MGMT, 6, adau1781_speaker_bias_select_text);
114static SOC_ENUM_SINGLE_DECL(adau1781_dac_bias_enum,
115 ADAU17X1_PLAY_POWER_MGMT, 4, adau1781_bias_select_text);
116static SOC_ENUM_SINGLE_DECL(adau1781_playback_bias_enum,
117 ADAU17X1_PLAY_POWER_MGMT, 2, adau1781_bias_select_text);
118static SOC_ENUM_SINGLE_DECL(adau1781_capture_bias_enum,
119 ADAU17X1_REC_POWER_MGMT, 1, adau1781_bias_select_text);
120
121static const struct snd_kcontrol_new adau1781_controls[] = {
122 SOC_SINGLE_TLV("Beep Capture Volume", ADAU1781_DMIC_BEEP_CTRL, 0, 7, 0,
123 adau1781_beep_tlv),
124 SOC_DOUBLE_R_TLV("PGA Capture Volume", ADAU1781_LEFT_PGA,
125 ADAU1781_RIGHT_PGA, 5, 7, 0, adau1781_pga_tlv),
126 SOC_DOUBLE_R("PGA Capture Switch", ADAU1781_LEFT_PGA,
127 ADAU1781_RIGHT_PGA, 1, 1, 0),
128
129 SOC_DOUBLE_R("Lineout Playback Switch", ADAU1781_LEFT_LINEOUT,
130 ADAU1781_RIGHT_LINEOUT, 1, 1, 0),
131 SOC_SINGLE("Beep ZC Switch", ADAU1781_BEEP_ZC, 0, 1, 0),
132
133 SOC_SINGLE("Mono Playback Switch", ADAU1781_MONO_PLAYBACK_MIXER,
134 0, 1, 0),
135 SOC_SINGLE_TLV("Mono Playback Volume", ADAU1781_SPEAKER, 6, 3, 0,
136 adau1781_speaker_tlv),
137
138 SOC_ENUM("ADC Bias", adau1781_adc_bias_enum),
139 SOC_ENUM("DAC Bias", adau1781_dac_bias_enum),
140 SOC_ENUM("Capture Bias", adau1781_capture_bias_enum),
141 SOC_ENUM("Playback Bias", adau1781_playback_bias_enum),
142 SOC_ENUM("Speaker Bias", adau1781_speaker_bias_enum),
143};
144
145static const struct snd_kcontrol_new adau1781_beep_mixer_controls[] = {
146 SOC_DAPM_SINGLE("Beep Capture Switch", ADAU1781_DMIC_BEEP_CTRL,
147 3, 1, 0),
148};
149
150static const struct snd_kcontrol_new adau1781_left_mixer_controls[] = {
151 SOC_DAPM_SINGLE_AUTODISABLE("Switch",
152 ADAU1781_LEFT_PLAYBACK_MIXER, 5, 1, 0),
153 SOC_DAPM_SINGLE_TLV("Beep Playback Volume",
154 ADAU1781_LEFT_PLAYBACK_MIXER, 1, 8, 0, adau1781_sidetone_tlv),
155};
156
157static const struct snd_kcontrol_new adau1781_right_mixer_controls[] = {
158 SOC_DAPM_SINGLE_AUTODISABLE("Switch",
159 ADAU1781_RIGHT_PLAYBACK_MIXER, 6, 1, 0),
160 SOC_DAPM_SINGLE_TLV("Beep Playback Volume",
161 ADAU1781_LEFT_PLAYBACK_MIXER, 1, 8, 0, adau1781_sidetone_tlv),
162};
163
164static const struct snd_kcontrol_new adau1781_mono_mixer_controls[] = {
165 SOC_DAPM_SINGLE_AUTODISABLE("Left Switch",
166 ADAU1781_MONO_PLAYBACK_MIXER, 7, 1, 0),
167 SOC_DAPM_SINGLE_AUTODISABLE("Right Switch",
168 ADAU1781_MONO_PLAYBACK_MIXER, 6, 1, 0),
169 SOC_DAPM_SINGLE_TLV("Beep Playback Volume",
170 ADAU1781_MONO_PLAYBACK_MIXER, 2, 8, 0, adau1781_sidetone_tlv),
171};
172
173static int adau1781_dejitter_fixup(struct snd_soc_dapm_widget *w,
174 struct snd_kcontrol *kcontrol, int event)
175{
176 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
177 struct adau *adau = snd_soc_component_get_drvdata(component);
178
179
180
181 regmap_write(adau->regmap, ADAU1781_DEJITTER, 0);
182 if (!adau->master)
183 regmap_write(adau->regmap, ADAU1781_DEJITTER, 5);
184
185 return 0;
186}
187
188static const struct snd_soc_dapm_widget adau1781_dapm_widgets[] = {
189 SND_SOC_DAPM_PGA("Left PGA", ADAU1781_LEFT_PGA, 0, 0, NULL, 0),
190 SND_SOC_DAPM_PGA("Right PGA", ADAU1781_RIGHT_PGA, 0, 0, NULL, 0),
191
192 SND_SOC_DAPM_OUT_DRV("Speaker", ADAU1781_SPEAKER, 0, 0, NULL, 0),
193
194 SOC_MIXER_NAMED_CTL_ARRAY("Beep Mixer", ADAU17X1_MICBIAS, 4, 0,
195 adau1781_beep_mixer_controls),
196
197 SOC_MIXER_ARRAY("Left Lineout Mixer", SND_SOC_NOPM, 0, 0,
198 adau1781_left_mixer_controls),
199 SOC_MIXER_ARRAY("Right Lineout Mixer", SND_SOC_NOPM, 0, 0,
200 adau1781_right_mixer_controls),
201 SOC_MIXER_ARRAY("Mono Mixer", SND_SOC_NOPM, 0, 0,
202 adau1781_mono_mixer_controls),
203
204 SND_SOC_DAPM_SUPPLY("Serial Input Routing", ADAU1781_DIG_PWDN0,
205 2, 0, NULL, 0),
206 SND_SOC_DAPM_SUPPLY("Serial Output Routing", ADAU1781_DIG_PWDN0,
207 3, 0, NULL, 0),
208 SND_SOC_DAPM_SUPPLY("Clock Domain Transfer", ADAU1781_DIG_PWDN0,
209 5, 0, NULL, 0),
210 SND_SOC_DAPM_SUPPLY("Serial Ports", ADAU1781_DIG_PWDN0, 4, 0, NULL, 0),
211 SND_SOC_DAPM_SUPPLY("ADC Engine", ADAU1781_DIG_PWDN0, 7, 0, NULL, 0),
212 SND_SOC_DAPM_SUPPLY("DAC Engine", ADAU1781_DIG_PWDN1, 0, 0, NULL, 0),
213 SND_SOC_DAPM_SUPPLY("Digital Mic", ADAU1781_DIG_PWDN1, 1, 0, NULL, 0),
214
215 SND_SOC_DAPM_SUPPLY("Sound Engine", ADAU1781_DIG_PWDN0, 0, 0, NULL, 0),
216 SND_SOC_DAPM_SUPPLY_S("SYSCLK", 1, ADAU1781_DIG_PWDN0, 1, 0, NULL, 0),
217
218 SND_SOC_DAPM_SUPPLY("Zero Crossing Detector", ADAU1781_DIG_PWDN1, 2, 0,
219 NULL, 0),
220
221 SND_SOC_DAPM_POST("Dejitter fixup", adau1781_dejitter_fixup),
222
223 SND_SOC_DAPM_INPUT("BEEP"),
224
225 SND_SOC_DAPM_OUTPUT("AOUTL"),
226 SND_SOC_DAPM_OUTPUT("AOUTR"),
227 SND_SOC_DAPM_OUTPUT("SP"),
228 SND_SOC_DAPM_INPUT("LMIC"),
229 SND_SOC_DAPM_INPUT("RMIC"),
230};
231
232static const struct snd_soc_dapm_route adau1781_dapm_routes[] = {
233 { "Left Lineout Mixer", NULL, "Left Playback Enable" },
234 { "Right Lineout Mixer", NULL, "Right Playback Enable" },
235
236 { "Left Lineout Mixer", "Beep Playback Volume", "Beep Mixer" },
237 { "Left Lineout Mixer", "Switch", "Left DAC" },
238
239 { "Right Lineout Mixer", "Beep Playback Volume", "Beep Mixer" },
240 { "Right Lineout Mixer", "Switch", "Right DAC" },
241
242 { "Mono Mixer", "Beep Playback Volume", "Beep Mixer" },
243 { "Mono Mixer", "Right Switch", "Right DAC" },
244 { "Mono Mixer", "Left Switch", "Left DAC" },
245 { "Speaker", NULL, "Mono Mixer" },
246
247 { "Mono Mixer", NULL, "SYSCLK" },
248 { "Left Lineout Mixer", NULL, "SYSCLK" },
249 { "Left Lineout Mixer", NULL, "SYSCLK" },
250
251 { "Beep Mixer", "Beep Capture Switch", "BEEP" },
252 { "Beep Mixer", NULL, "Zero Crossing Detector" },
253
254 { "Left DAC", NULL, "DAC Engine" },
255 { "Right DAC", NULL, "DAC Engine" },
256
257 { "Sound Engine", NULL, "SYSCLK" },
258 { "DSP", NULL, "Sound Engine" },
259
260 { "Left Decimator", NULL, "ADC Engine" },
261 { "Right Decimator", NULL, "ADC Engine" },
262
263 { "AIFCLK", NULL, "SYSCLK" },
264
265 { "Playback", NULL, "Serial Input Routing" },
266 { "Playback", NULL, "Serial Ports" },
267 { "Playback", NULL, "Clock Domain Transfer" },
268 { "Capture", NULL, "Serial Output Routing" },
269 { "Capture", NULL, "Serial Ports" },
270 { "Capture", NULL, "Clock Domain Transfer" },
271
272 { "AOUTL", NULL, "Left Lineout Mixer" },
273 { "AOUTR", NULL, "Right Lineout Mixer" },
274 { "SP", NULL, "Speaker" },
275};
276
277static const struct snd_soc_dapm_route adau1781_adc_dapm_routes[] = {
278 { "Left PGA", NULL, "LMIC" },
279 { "Right PGA", NULL, "RMIC" },
280
281 { "Left Decimator", NULL, "Left PGA" },
282 { "Right Decimator", NULL, "Right PGA" },
283};
284
285static const char * const adau1781_dmic_select_text[] = {
286 "DMIC1", "DMIC2",
287};
288
289static SOC_ENUM_SINGLE_VIRT_DECL(adau1781_dmic_select_enum,
290 adau1781_dmic_select_text);
291
292static const struct snd_kcontrol_new adau1781_dmic_mux =
293 SOC_DAPM_ENUM("DMIC Select", adau1781_dmic_select_enum);
294
295static const struct snd_soc_dapm_widget adau1781_dmic_dapm_widgets[] = {
296 SND_SOC_DAPM_MUX("DMIC Select", SND_SOC_NOPM, 0, 0, &adau1781_dmic_mux),
297
298 SND_SOC_DAPM_ADC("DMIC1", NULL, ADAU1781_DMIC_BEEP_CTRL, 4, 0),
299 SND_SOC_DAPM_ADC("DMIC2", NULL, ADAU1781_DMIC_BEEP_CTRL, 5, 0),
300};
301
302static const struct snd_soc_dapm_route adau1781_dmic_dapm_routes[] = {
303 { "DMIC1", NULL, "LMIC" },
304 { "DMIC2", NULL, "RMIC" },
305
306 { "DMIC1", NULL, "Digital Mic" },
307 { "DMIC2", NULL, "Digital Mic" },
308
309 { "DMIC Select", "DMIC1", "DMIC1" },
310 { "DMIC Select", "DMIC2", "DMIC2" },
311
312 { "Left Decimator", NULL, "DMIC Select" },
313 { "Right Decimator", NULL, "DMIC Select" },
314};
315
316static int adau1781_set_bias_level(struct snd_soc_component *component,
317 enum snd_soc_bias_level level)
318{
319 struct adau *adau = snd_soc_component_get_drvdata(component);
320
321 switch (level) {
322 case SND_SOC_BIAS_ON:
323 break;
324 case SND_SOC_BIAS_PREPARE:
325 break;
326 case SND_SOC_BIAS_STANDBY:
327 regmap_update_bits(adau->regmap, ADAU17X1_CLOCK_CONTROL,
328 ADAU17X1_CLOCK_CONTROL_SYSCLK_EN,
329 ADAU17X1_CLOCK_CONTROL_SYSCLK_EN);
330
331
332 regmap_update_bits(adau->regmap, ADAU1781_DIG_PWDN1, 0x8, 0x8);
333 break;
334 case SND_SOC_BIAS_OFF:
335 regmap_update_bits(adau->regmap, ADAU1781_DIG_PWDN1, 0xc, 0x0);
336 regmap_update_bits(adau->regmap, ADAU17X1_CLOCK_CONTROL,
337 ADAU17X1_CLOCK_CONTROL_SYSCLK_EN, 0);
338 break;
339 }
340
341 return 0;
342}
343
344static bool adau1781_readable_register(struct device *dev, unsigned int reg)
345{
346 switch (reg) {
347 case ADAU1781_DMIC_BEEP_CTRL:
348 case ADAU1781_LEFT_PGA:
349 case ADAU1781_RIGHT_PGA:
350 case ADAU1781_LEFT_PLAYBACK_MIXER:
351 case ADAU1781_RIGHT_PLAYBACK_MIXER:
352 case ADAU1781_MONO_PLAYBACK_MIXER:
353 case ADAU1781_LEFT_LINEOUT:
354 case ADAU1781_RIGHT_LINEOUT:
355 case ADAU1781_SPEAKER:
356 case ADAU1781_BEEP_ZC:
357 case ADAU1781_DEJITTER:
358 case ADAU1781_DIG_PWDN0:
359 case ADAU1781_DIG_PWDN1:
360 return true;
361 default:
362 break;
363 }
364
365 return adau17x1_readable_register(dev, reg);
366}
367
368static int adau1781_set_input_mode(struct adau *adau, unsigned int reg,
369 bool differential)
370{
371 unsigned int val;
372
373 if (differential)
374 val = ADAU1781_INPUT_DIFFERNTIAL;
375 else
376 val = 0;
377
378 return regmap_update_bits(adau->regmap, reg,
379 ADAU1781_INPUT_DIFFERNTIAL, val);
380}
381
382static int adau1781_component_probe(struct snd_soc_component *component)
383{
384 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
385 struct adau1781_platform_data *pdata = dev_get_platdata(component->dev);
386 struct adau *adau = snd_soc_component_get_drvdata(component);
387 int ret;
388
389 ret = adau17x1_add_widgets(component);
390 if (ret)
391 return ret;
392
393 if (pdata) {
394 ret = adau1781_set_input_mode(adau, ADAU1781_LEFT_PGA,
395 pdata->left_input_differential);
396 if (ret)
397 return ret;
398 ret = adau1781_set_input_mode(adau, ADAU1781_RIGHT_PGA,
399 pdata->right_input_differential);
400 if (ret)
401 return ret;
402 }
403
404 if (pdata && pdata->use_dmic) {
405 ret = snd_soc_dapm_new_controls(dapm,
406 adau1781_dmic_dapm_widgets,
407 ARRAY_SIZE(adau1781_dmic_dapm_widgets));
408 if (ret)
409 return ret;
410 ret = snd_soc_dapm_add_routes(dapm, adau1781_dmic_dapm_routes,
411 ARRAY_SIZE(adau1781_dmic_dapm_routes));
412 if (ret)
413 return ret;
414 } else {
415 ret = snd_soc_dapm_add_routes(dapm, adau1781_adc_dapm_routes,
416 ARRAY_SIZE(adau1781_adc_dapm_routes));
417 if (ret)
418 return ret;
419 }
420
421 ret = adau17x1_add_routes(component);
422 if (ret < 0)
423 return ret;
424
425 return 0;
426}
427
428static const struct snd_soc_component_driver adau1781_component_driver = {
429 .probe = adau1781_component_probe,
430 .resume = adau17x1_resume,
431 .set_bias_level = adau1781_set_bias_level,
432 .controls = adau1781_controls,
433 .num_controls = ARRAY_SIZE(adau1781_controls),
434 .dapm_widgets = adau1781_dapm_widgets,
435 .num_dapm_widgets = ARRAY_SIZE(adau1781_dapm_widgets),
436 .dapm_routes = adau1781_dapm_routes,
437 .num_dapm_routes = ARRAY_SIZE(adau1781_dapm_routes),
438 .suspend_bias_off = 1,
439 .idle_bias_on = 1,
440 .use_pmdown_time = 1,
441 .endianness = 1,
442 .non_legacy_dai_naming = 1,
443};
444
445#define ADAU1781_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | \
446 SNDRV_PCM_FMTBIT_S32_LE)
447
448static struct snd_soc_dai_driver adau1781_dai_driver = {
449 .name = "adau-hifi",
450 .playback = {
451 .stream_name = "Playback",
452 .channels_min = 2,
453 .channels_max = 8,
454 .rates = SNDRV_PCM_RATE_8000_96000,
455 .formats = ADAU1781_FORMATS,
456 },
457 .capture = {
458 .stream_name = "Capture",
459 .channels_min = 2,
460 .channels_max = 8,
461 .rates = SNDRV_PCM_RATE_8000_96000,
462 .formats = ADAU1781_FORMATS,
463 },
464 .ops = &adau17x1_dai_ops,
465};
466
467const struct regmap_config adau1781_regmap_config = {
468 .val_bits = 8,
469 .reg_bits = 16,
470 .max_register = 0x40f8,
471 .reg_defaults = adau1781_reg_defaults,
472 .num_reg_defaults = ARRAY_SIZE(adau1781_reg_defaults),
473 .readable_reg = adau1781_readable_register,
474 .volatile_reg = adau17x1_volatile_register,
475 .precious_reg = adau17x1_precious_register,
476 .cache_type = REGCACHE_RBTREE,
477};
478EXPORT_SYMBOL_GPL(adau1781_regmap_config);
479
480int adau1781_probe(struct device *dev, struct regmap *regmap,
481 enum adau17x1_type type, void (*switch_mode)(struct device *dev))
482{
483 const char *firmware_name;
484 int ret;
485
486 switch (type) {
487 case ADAU1381:
488 firmware_name = ADAU1381_FIRMWARE;
489 break;
490 case ADAU1781:
491 firmware_name = ADAU1781_FIRMWARE;
492 break;
493 default:
494 return -EINVAL;
495 }
496
497 ret = adau17x1_probe(dev, regmap, type, switch_mode, firmware_name);
498 if (ret)
499 return ret;
500
501 return devm_snd_soc_register_component(dev, &adau1781_component_driver,
502 &adau1781_dai_driver, 1);
503}
504EXPORT_SYMBOL_GPL(adau1781_probe);
505
506MODULE_DESCRIPTION("ASoC ADAU1381/ADAU1781 driver");
507MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
508MODULE_LICENSE("GPL");
509
