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d2912cb1 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
796d2ca8 RP |
2 | /* |
3 | * ak4535.c -- AK4535 ALSA Soc Audio driver | |
4 | * | |
5 | * Copyright 2005 Openedhand Ltd. | |
6 | * | |
7 | * Author: Richard Purdie <richard@openedhand.com> | |
8 | * | |
9 | * Based on wm8753.c by Liam Girdwood | |
796d2ca8 RP |
10 | */ |
11 | ||
12 | #include <linux/module.h> | |
13 | #include <linux/moduleparam.h> | |
14 | #include <linux/init.h> | |
15 | #include <linux/delay.h> | |
16 | #include <linux/pm.h> | |
17 | #include <linux/i2c.h> | |
a1fa9213 | 18 | #include <linux/regmap.h> |
5a0e3ad6 | 19 | #include <linux/slab.h> |
796d2ca8 RP |
20 | #include <sound/core.h> |
21 | #include <sound/pcm.h> | |
22 | #include <sound/pcm_params.h> | |
23 | #include <sound/soc.h> | |
796d2ca8 RP |
24 | #include <sound/initval.h> |
25 | ||
26 | #include "ak4535.h" | |
27 | ||
796d2ca8 RP |
28 | /* codec private data */ |
29 | struct ak4535_priv { | |
a1fa9213 | 30 | struct regmap *regmap; |
796d2ca8 RP |
31 | unsigned int sysclk; |
32 | }; | |
33 | ||
34 | /* | |
35 | * ak4535 register cache | |
36 | */ | |
a1fa9213 MB |
37 | static const struct reg_default ak4535_reg_defaults[] = { |
38 | { 0, 0x00 }, | |
39 | { 1, 0x80 }, | |
40 | { 2, 0x00 }, | |
41 | { 3, 0x03 }, | |
42 | { 4, 0x02 }, | |
43 | { 5, 0x00 }, | |
44 | { 6, 0x11 }, | |
45 | { 7, 0x01 }, | |
46 | { 8, 0x00 }, | |
47 | { 9, 0x40 }, | |
48 | { 10, 0x36 }, | |
49 | { 11, 0x10 }, | |
50 | { 12, 0x00 }, | |
51 | { 13, 0x00 }, | |
52 | { 14, 0x57 }, | |
796d2ca8 RP |
53 | }; |
54 | ||
a1fa9213 MB |
55 | static bool ak4535_volatile(struct device *dev, unsigned int reg) |
56 | { | |
57 | switch (reg) { | |
58 | case AK4535_STATUS: | |
59 | return true; | |
60 | default: | |
61 | return false; | |
62 | } | |
63 | } | |
64 | ||
796d2ca8 RP |
65 | static const char *ak4535_mono_gain[] = {"+6dB", "-17dB"}; |
66 | static const char *ak4535_mono_out[] = {"(L + R)/2", "Hi-Z"}; | |
67 | static const char *ak4535_hp_out[] = {"Stereo", "Mono"}; | |
68 | static const char *ak4535_deemp[] = {"44.1kHz", "Off", "48kHz", "32kHz"}; | |
69 | static const char *ak4535_mic_select[] = {"Internal", "External"}; | |
70 | ||
71 | static const struct soc_enum ak4535_enum[] = { | |
72 | SOC_ENUM_SINGLE(AK4535_SIG1, 7, 2, ak4535_mono_gain), | |
73 | SOC_ENUM_SINGLE(AK4535_SIG1, 6, 2, ak4535_mono_out), | |
74 | SOC_ENUM_SINGLE(AK4535_MODE2, 2, 2, ak4535_hp_out), | |
75 | SOC_ENUM_SINGLE(AK4535_DAC, 0, 4, ak4535_deemp), | |
76 | SOC_ENUM_SINGLE(AK4535_MIC, 1, 2, ak4535_mic_select), | |
77 | }; | |
78 | ||
79 | static const struct snd_kcontrol_new ak4535_snd_controls[] = { | |
80 | SOC_SINGLE("ALC2 Switch", AK4535_SIG1, 1, 1, 0), | |
81 | SOC_ENUM("Mono 1 Output", ak4535_enum[1]), | |
82 | SOC_ENUM("Mono 1 Gain", ak4535_enum[0]), | |
83 | SOC_ENUM("Headphone Output", ak4535_enum[2]), | |
84 | SOC_ENUM("Playback Deemphasis", ak4535_enum[3]), | |
85 | SOC_SINGLE("Bass Volume", AK4535_DAC, 2, 3, 0), | |
86 | SOC_SINGLE("Mic Boost (+20dB) Switch", AK4535_MIC, 0, 1, 0), | |
87 | SOC_ENUM("Mic Select", ak4535_enum[4]), | |
88 | SOC_SINGLE("ALC Operation Time", AK4535_TIMER, 0, 3, 0), | |
89 | SOC_SINGLE("ALC Recovery Time", AK4535_TIMER, 2, 3, 0), | |
90 | SOC_SINGLE("ALC ZC Time", AK4535_TIMER, 4, 3, 0), | |
91 | SOC_SINGLE("ALC 1 Switch", AK4535_ALC1, 5, 1, 0), | |
92 | SOC_SINGLE("ALC 2 Switch", AK4535_ALC1, 6, 1, 0), | |
93 | SOC_SINGLE("ALC Volume", AK4535_ALC2, 0, 127, 0), | |
94 | SOC_SINGLE("Capture Volume", AK4535_PGA, 0, 127, 0), | |
95 | SOC_SINGLE("Left Playback Volume", AK4535_LATT, 0, 127, 1), | |
96 | SOC_SINGLE("Right Playback Volume", AK4535_RATT, 0, 127, 1), | |
97 | SOC_SINGLE("AUX Bypass Volume", AK4535_VOL, 0, 15, 0), | |
98 | SOC_SINGLE("Mic Sidetone Volume", AK4535_VOL, 4, 7, 0), | |
99 | }; | |
100 | ||
796d2ca8 RP |
101 | /* Mono 1 Mixer */ |
102 | static const struct snd_kcontrol_new ak4535_mono1_mixer_controls[] = { | |
103 | SOC_DAPM_SINGLE("Mic Sidetone Switch", AK4535_SIG1, 4, 1, 0), | |
104 | SOC_DAPM_SINGLE("Mono Playback Switch", AK4535_SIG1, 5, 1, 0), | |
105 | }; | |
106 | ||
107 | /* Stereo Mixer */ | |
108 | static const struct snd_kcontrol_new ak4535_stereo_mixer_controls[] = { | |
109 | SOC_DAPM_SINGLE("Mic Sidetone Switch", AK4535_SIG2, 4, 1, 0), | |
110 | SOC_DAPM_SINGLE("Playback Switch", AK4535_SIG2, 7, 1, 0), | |
111 | SOC_DAPM_SINGLE("Aux Bypass Switch", AK4535_SIG2, 5, 1, 0), | |
112 | }; | |
113 | ||
114 | /* Input Mixer */ | |
115 | static const struct snd_kcontrol_new ak4535_input_mixer_controls[] = { | |
116 | SOC_DAPM_SINGLE("Mic Capture Switch", AK4535_MIC, 2, 1, 0), | |
117 | SOC_DAPM_SINGLE("Aux Capture Switch", AK4535_MIC, 5, 1, 0), | |
118 | }; | |
119 | ||
120 | /* Input mux */ | |
121 | static const struct snd_kcontrol_new ak4535_input_mux_control = | |
122 | SOC_DAPM_ENUM("Input Select", ak4535_enum[4]); | |
123 | ||
124 | /* HP L switch */ | |
125 | static const struct snd_kcontrol_new ak4535_hpl_control = | |
126 | SOC_DAPM_SINGLE("Switch", AK4535_SIG2, 1, 1, 1); | |
127 | ||
128 | /* HP R switch */ | |
129 | static const struct snd_kcontrol_new ak4535_hpr_control = | |
130 | SOC_DAPM_SINGLE("Switch", AK4535_SIG2, 0, 1, 1); | |
131 | ||
132 | /* mono 2 switch */ | |
133 | static const struct snd_kcontrol_new ak4535_mono2_control = | |
134 | SOC_DAPM_SINGLE("Switch", AK4535_SIG1, 0, 1, 0); | |
135 | ||
136 | /* Line out switch */ | |
137 | static const struct snd_kcontrol_new ak4535_line_control = | |
138 | SOC_DAPM_SINGLE("Switch", AK4535_SIG2, 6, 1, 0); | |
139 | ||
140 | /* ak4535 dapm widgets */ | |
141 | static const struct snd_soc_dapm_widget ak4535_dapm_widgets[] = { | |
142 | SND_SOC_DAPM_MIXER("Stereo Mixer", SND_SOC_NOPM, 0, 0, | |
143 | &ak4535_stereo_mixer_controls[0], | |
144 | ARRAY_SIZE(ak4535_stereo_mixer_controls)), | |
145 | SND_SOC_DAPM_MIXER("Mono1 Mixer", SND_SOC_NOPM, 0, 0, | |
146 | &ak4535_mono1_mixer_controls[0], | |
147 | ARRAY_SIZE(ak4535_mono1_mixer_controls)), | |
148 | SND_SOC_DAPM_MIXER("Input Mixer", SND_SOC_NOPM, 0, 0, | |
149 | &ak4535_input_mixer_controls[0], | |
150 | ARRAY_SIZE(ak4535_input_mixer_controls)), | |
151 | SND_SOC_DAPM_MUX("Input Mux", SND_SOC_NOPM, 0, 0, | |
152 | &ak4535_input_mux_control), | |
153 | SND_SOC_DAPM_DAC("DAC", "Playback", AK4535_PM2, 0, 0), | |
154 | SND_SOC_DAPM_SWITCH("Mono 2 Enable", SND_SOC_NOPM, 0, 0, | |
155 | &ak4535_mono2_control), | |
156 | /* speaker powersave bit */ | |
157 | SND_SOC_DAPM_PGA("Speaker Enable", AK4535_MODE2, 0, 0, NULL, 0), | |
158 | SND_SOC_DAPM_SWITCH("Line Out Enable", SND_SOC_NOPM, 0, 0, | |
159 | &ak4535_line_control), | |
160 | SND_SOC_DAPM_SWITCH("Left HP Enable", SND_SOC_NOPM, 0, 0, | |
161 | &ak4535_hpl_control), | |
162 | SND_SOC_DAPM_SWITCH("Right HP Enable", SND_SOC_NOPM, 0, 0, | |
163 | &ak4535_hpr_control), | |
164 | SND_SOC_DAPM_OUTPUT("LOUT"), | |
165 | SND_SOC_DAPM_OUTPUT("HPL"), | |
166 | SND_SOC_DAPM_OUTPUT("ROUT"), | |
167 | SND_SOC_DAPM_OUTPUT("HPR"), | |
168 | SND_SOC_DAPM_OUTPUT("SPP"), | |
169 | SND_SOC_DAPM_OUTPUT("SPN"), | |
170 | SND_SOC_DAPM_OUTPUT("MOUT1"), | |
171 | SND_SOC_DAPM_OUTPUT("MOUT2"), | |
172 | SND_SOC_DAPM_OUTPUT("MICOUT"), | |
173 | SND_SOC_DAPM_ADC("ADC", "Capture", AK4535_PM1, 0, 0), | |
174 | SND_SOC_DAPM_PGA("Spk Amp", AK4535_PM2, 3, 0, NULL, 0), | |
175 | SND_SOC_DAPM_PGA("HP R Amp", AK4535_PM2, 1, 0, NULL, 0), | |
176 | SND_SOC_DAPM_PGA("HP L Amp", AK4535_PM2, 2, 0, NULL, 0), | |
177 | SND_SOC_DAPM_PGA("Mic", AK4535_PM1, 1, 0, NULL, 0), | |
178 | SND_SOC_DAPM_PGA("Line Out", AK4535_PM1, 4, 0, NULL, 0), | |
179 | SND_SOC_DAPM_PGA("Mono Out", AK4535_PM1, 3, 0, NULL, 0), | |
180 | SND_SOC_DAPM_PGA("AUX In", AK4535_PM1, 2, 0, NULL, 0), | |
181 | ||
182 | SND_SOC_DAPM_MICBIAS("Mic Int Bias", AK4535_MIC, 3, 0), | |
183 | SND_SOC_DAPM_MICBIAS("Mic Ext Bias", AK4535_MIC, 4, 0), | |
184 | SND_SOC_DAPM_INPUT("MICIN"), | |
185 | SND_SOC_DAPM_INPUT("MICEXT"), | |
186 | SND_SOC_DAPM_INPUT("AUX"), | |
187 | SND_SOC_DAPM_INPUT("MIN"), | |
188 | SND_SOC_DAPM_INPUT("AIN"), | |
189 | }; | |
190 | ||
b63c963d | 191 | static const struct snd_soc_dapm_route ak4535_audio_map[] = { |
796d2ca8 RP |
192 | /*stereo mixer */ |
193 | {"Stereo Mixer", "Playback Switch", "DAC"}, | |
194 | {"Stereo Mixer", "Mic Sidetone Switch", "Mic"}, | |
195 | {"Stereo Mixer", "Aux Bypass Switch", "AUX In"}, | |
196 | ||
197 | /* mono1 mixer */ | |
198 | {"Mono1 Mixer", "Mic Sidetone Switch", "Mic"}, | |
199 | {"Mono1 Mixer", "Mono Playback Switch", "DAC"}, | |
200 | ||
201 | /* Mic */ | |
202 | {"Mic", NULL, "AIN"}, | |
203 | {"Input Mux", "Internal", "Mic Int Bias"}, | |
204 | {"Input Mux", "External", "Mic Ext Bias"}, | |
205 | {"Mic Int Bias", NULL, "MICIN"}, | |
206 | {"Mic Ext Bias", NULL, "MICEXT"}, | |
207 | {"MICOUT", NULL, "Input Mux"}, | |
208 | ||
209 | /* line out */ | |
210 | {"LOUT", NULL, "Line Out Enable"}, | |
211 | {"ROUT", NULL, "Line Out Enable"}, | |
212 | {"Line Out Enable", "Switch", "Line Out"}, | |
213 | {"Line Out", NULL, "Stereo Mixer"}, | |
214 | ||
215 | /* mono1 out */ | |
216 | {"MOUT1", NULL, "Mono Out"}, | |
217 | {"Mono Out", NULL, "Mono1 Mixer"}, | |
218 | ||
219 | /* left HP */ | |
220 | {"HPL", NULL, "Left HP Enable"}, | |
221 | {"Left HP Enable", "Switch", "HP L Amp"}, | |
222 | {"HP L Amp", NULL, "Stereo Mixer"}, | |
223 | ||
224 | /* right HP */ | |
225 | {"HPR", NULL, "Right HP Enable"}, | |
226 | {"Right HP Enable", "Switch", "HP R Amp"}, | |
227 | {"HP R Amp", NULL, "Stereo Mixer"}, | |
228 | ||
229 | /* speaker */ | |
230 | {"SPP", NULL, "Speaker Enable"}, | |
231 | {"SPN", NULL, "Speaker Enable"}, | |
232 | {"Speaker Enable", "Switch", "Spk Amp"}, | |
233 | {"Spk Amp", NULL, "MIN"}, | |
234 | ||
235 | /* mono 2 */ | |
236 | {"MOUT2", NULL, "Mono 2 Enable"}, | |
237 | {"Mono 2 Enable", "Switch", "Stereo Mixer"}, | |
238 | ||
239 | /* Aux In */ | |
240 | {"Aux In", NULL, "AUX"}, | |
241 | ||
242 | /* ADC */ | |
243 | {"ADC", NULL, "Input Mixer"}, | |
244 | {"Input Mixer", "Mic Capture Switch", "Mic"}, | |
245 | {"Input Mixer", "Aux Capture Switch", "Aux In"}, | |
246 | }; | |
247 | ||
e550e17f | 248 | static int ak4535_set_dai_sysclk(struct snd_soc_dai *codec_dai, |
796d2ca8 RP |
249 | int clk_id, unsigned int freq, int dir) |
250 | { | |
d229c0be KM |
251 | struct snd_soc_component *component = codec_dai->component; |
252 | struct ak4535_priv *ak4535 = snd_soc_component_get_drvdata(component); | |
796d2ca8 RP |
253 | |
254 | ak4535->sysclk = freq; | |
255 | return 0; | |
256 | } | |
257 | ||
258 | static int ak4535_hw_params(struct snd_pcm_substream *substream, | |
dee89c4d MB |
259 | struct snd_pcm_hw_params *params, |
260 | struct snd_soc_dai *dai) | |
796d2ca8 | 261 | { |
d229c0be KM |
262 | struct snd_soc_component *component = dai->component; |
263 | struct ak4535_priv *ak4535 = snd_soc_component_get_drvdata(component); | |
264 | u8 mode2 = snd_soc_component_read32(component, AK4535_MODE2) & ~(0x3 << 5); | |
796d2ca8 RP |
265 | int rate = params_rate(params), fs = 256; |
266 | ||
267 | if (rate) | |
268 | fs = ak4535->sysclk / rate; | |
269 | ||
270 | /* set fs */ | |
271 | switch (fs) { | |
272 | case 1024: | |
273 | mode2 |= (0x2 << 5); | |
274 | break; | |
275 | case 512: | |
276 | mode2 |= (0x1 << 5); | |
277 | break; | |
278 | case 256: | |
279 | break; | |
280 | } | |
281 | ||
282 | /* set rate */ | |
d229c0be | 283 | snd_soc_component_write(component, AK4535_MODE2, mode2); |
796d2ca8 RP |
284 | return 0; |
285 | } | |
286 | ||
e550e17f | 287 | static int ak4535_set_dai_fmt(struct snd_soc_dai *codec_dai, |
796d2ca8 RP |
288 | unsigned int fmt) |
289 | { | |
d229c0be | 290 | struct snd_soc_component *component = codec_dai->component; |
796d2ca8 RP |
291 | u8 mode1 = 0; |
292 | ||
293 | /* interface format */ | |
294 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
295 | case SND_SOC_DAIFMT_I2S: | |
296 | mode1 = 0x0002; | |
297 | break; | |
298 | case SND_SOC_DAIFMT_LEFT_J: | |
299 | mode1 = 0x0001; | |
300 | break; | |
301 | default: | |
302 | return -EINVAL; | |
303 | } | |
304 | ||
305 | /* use 32 fs for BCLK to save power */ | |
306 | mode1 |= 0x4; | |
307 | ||
d229c0be | 308 | snd_soc_component_write(component, AK4535_MODE1, mode1); |
796d2ca8 RP |
309 | return 0; |
310 | } | |
311 | ||
e550e17f | 312 | static int ak4535_mute(struct snd_soc_dai *dai, int mute) |
796d2ca8 | 313 | { |
d229c0be KM |
314 | struct snd_soc_component *component = dai->component; |
315 | u16 mute_reg = snd_soc_component_read32(component, AK4535_DAC); | |
796d2ca8 | 316 | if (!mute) |
d229c0be | 317 | snd_soc_component_write(component, AK4535_DAC, mute_reg & ~0x20); |
796d2ca8 | 318 | else |
d229c0be | 319 | snd_soc_component_write(component, AK4535_DAC, mute_reg | 0x20); |
796d2ca8 RP |
320 | return 0; |
321 | } | |
322 | ||
d229c0be | 323 | static int ak4535_set_bias_level(struct snd_soc_component *component, |
796d2ca8 RP |
324 | enum snd_soc_bias_level level) |
325 | { | |
796d2ca8 RP |
326 | switch (level) { |
327 | case SND_SOC_BIAS_ON: | |
d229c0be | 328 | snd_soc_component_update_bits(component, AK4535_DAC, 0x20, 0); |
796d2ca8 RP |
329 | break; |
330 | case SND_SOC_BIAS_PREPARE: | |
d229c0be | 331 | snd_soc_component_update_bits(component, AK4535_DAC, 0x20, 0x20); |
796d2ca8 RP |
332 | break; |
333 | case SND_SOC_BIAS_STANDBY: | |
d229c0be KM |
334 | snd_soc_component_update_bits(component, AK4535_PM1, 0x80, 0x80); |
335 | snd_soc_component_update_bits(component, AK4535_PM2, 0x80, 0); | |
796d2ca8 RP |
336 | break; |
337 | case SND_SOC_BIAS_OFF: | |
d229c0be | 338 | snd_soc_component_update_bits(component, AK4535_PM1, 0x80, 0); |
796d2ca8 RP |
339 | break; |
340 | } | |
796d2ca8 RP |
341 | return 0; |
342 | } | |
343 | ||
344 | #define AK4535_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ | |
345 | SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\ | |
346 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000) | |
347 | ||
85e7652d | 348 | static const struct snd_soc_dai_ops ak4535_dai_ops = { |
6335d055 EM |
349 | .hw_params = ak4535_hw_params, |
350 | .set_fmt = ak4535_set_dai_fmt, | |
351 | .digital_mute = ak4535_mute, | |
352 | .set_sysclk = ak4535_set_dai_sysclk, | |
353 | }; | |
354 | ||
f0fba2ad LG |
355 | static struct snd_soc_dai_driver ak4535_dai = { |
356 | .name = "ak4535-hifi", | |
796d2ca8 RP |
357 | .playback = { |
358 | .stream_name = "Playback", | |
359 | .channels_min = 1, | |
360 | .channels_max = 2, | |
361 | .rates = AK4535_RATES, | |
362 | .formats = SNDRV_PCM_FMTBIT_S16_LE,}, | |
363 | .capture = { | |
364 | .stream_name = "Capture", | |
365 | .channels_min = 1, | |
366 | .channels_max = 2, | |
367 | .rates = AK4535_RATES, | |
368 | .formats = SNDRV_PCM_FMTBIT_S16_LE,}, | |
6335d055 | 369 | .ops = &ak4535_dai_ops, |
796d2ca8 | 370 | }; |
796d2ca8 | 371 | |
d229c0be | 372 | static int ak4535_resume(struct snd_soc_component *component) |
796d2ca8 | 373 | { |
d229c0be | 374 | snd_soc_component_cache_sync(component); |
796d2ca8 RP |
375 | return 0; |
376 | } | |
377 | ||
a1fa9213 MB |
378 | static const struct regmap_config ak4535_regmap = { |
379 | .reg_bits = 8, | |
380 | .val_bits = 8, | |
381 | ||
382 | .max_register = AK4535_STATUS, | |
383 | .volatile_reg = ak4535_volatile, | |
384 | ||
385 | .cache_type = REGCACHE_RBTREE, | |
386 | .reg_defaults = ak4535_reg_defaults, | |
387 | .num_reg_defaults = ARRAY_SIZE(ak4535_reg_defaults), | |
388 | }; | |
389 | ||
d229c0be KM |
390 | static const struct snd_soc_component_driver soc_component_dev_ak4535 = { |
391 | .resume = ak4535_resume, | |
392 | .set_bias_level = ak4535_set_bias_level, | |
393 | .controls = ak4535_snd_controls, | |
394 | .num_controls = ARRAY_SIZE(ak4535_snd_controls), | |
395 | .dapm_widgets = ak4535_dapm_widgets, | |
396 | .num_dapm_widgets = ARRAY_SIZE(ak4535_dapm_widgets), | |
397 | .dapm_routes = ak4535_audio_map, | |
398 | .num_dapm_routes = ARRAY_SIZE(ak4535_audio_map), | |
399 | .suspend_bias_off = 1, | |
400 | .idle_bias_on = 1, | |
401 | .use_pmdown_time = 1, | |
402 | .endianness = 1, | |
403 | .non_legacy_dai_naming = 1, | |
f0fba2ad | 404 | }; |
796d2ca8 | 405 | |
7a79e94e BP |
406 | static int ak4535_i2c_probe(struct i2c_client *i2c, |
407 | const struct i2c_device_id *id) | |
796d2ca8 | 408 | { |
f0fba2ad | 409 | struct ak4535_priv *ak4535; |
796d2ca8 RP |
410 | int ret; |
411 | ||
7246492d AL |
412 | ak4535 = devm_kzalloc(&i2c->dev, sizeof(struct ak4535_priv), |
413 | GFP_KERNEL); | |
f0fba2ad LG |
414 | if (ak4535 == NULL) |
415 | return -ENOMEM; | |
796d2ca8 | 416 | |
77d19b10 | 417 | ak4535->regmap = devm_regmap_init_i2c(i2c, &ak4535_regmap); |
a1fa9213 MB |
418 | if (IS_ERR(ak4535->regmap)) { |
419 | ret = PTR_ERR(ak4535->regmap); | |
420 | dev_err(&i2c->dev, "Failed to init regmap: %d\n", ret); | |
421 | return ret; | |
422 | } | |
423 | ||
f0fba2ad | 424 | i2c_set_clientdata(i2c, ak4535); |
796d2ca8 | 425 | |
d229c0be KM |
426 | ret = devm_snd_soc_register_component(&i2c->dev, |
427 | &soc_component_dev_ak4535, &ak4535_dai, 1); | |
a1fa9213 | 428 | |
796d2ca8 RP |
429 | return ret; |
430 | } | |
431 | ||
d28d2713 JD |
432 | static const struct i2c_device_id ak4535_i2c_id[] = { |
433 | { "ak4535", 0 }, | |
434 | { } | |
435 | }; | |
436 | MODULE_DEVICE_TABLE(i2c, ak4535_i2c_id); | |
796d2ca8 | 437 | |
796d2ca8 RP |
438 | static struct i2c_driver ak4535_i2c_driver = { |
439 | .driver = { | |
d69280be | 440 | .name = "ak4535", |
796d2ca8 | 441 | }, |
d28d2713 | 442 | .probe = ak4535_i2c_probe, |
d28d2713 | 443 | .id_table = ak4535_i2c_id, |
796d2ca8 | 444 | }; |
796d2ca8 | 445 | |
b08c5764 | 446 | module_i2c_driver(ak4535_i2c_driver); |
64089b84 | 447 | |
796d2ca8 RP |
448 | MODULE_DESCRIPTION("Soc AK4535 driver"); |
449 | MODULE_AUTHOR("Richard Purdie"); | |
450 | MODULE_LICENSE("GPL"); |