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10c5cf30 RP |
1 | /* |
2 | * wm9712.c -- ALSA Soc WM9712 codec support | |
3 | * | |
656baaeb | 4 | * Copyright 2006-12 Wolfson Microelectronics PLC. |
d331124d | 5 | * Author: Liam Girdwood <lrg@slimlogic.co.uk> |
10c5cf30 RP |
6 | * |
7 | * This program is free software; you can redistribute it and/or modify it | |
8 | * under the terms of the GNU General Public License as published by the | |
9 | * Free Software Foundation; either version 2 of the License, or (at your | |
10 | * option) any later version. | |
10c5cf30 RP |
11 | */ |
12 | ||
13 | #include <linux/init.h> | |
5a0e3ad6 | 14 | #include <linux/slab.h> |
10c5cf30 | 15 | #include <linux/module.h> |
10c5cf30 RP |
16 | #include <linux/kernel.h> |
17 | #include <linux/device.h> | |
10c5cf30 RP |
18 | #include <sound/core.h> |
19 | #include <sound/pcm.h> | |
20 | #include <sound/ac97_codec.h> | |
21 | #include <sound/initval.h> | |
22 | #include <sound/soc.h> | |
471280b7 | 23 | #include <sound/tlv.h> |
dbac7cb8 | 24 | #include "wm9712.h" |
10c5cf30 | 25 | |
a575be4c LPC |
26 | #define WM9712_VENDOR_ID 0x574d4c12 |
27 | #define WM9712_VENDOR_ID_MASK 0xffffffff | |
28 | ||
cf1f2ebe | 29 | struct wm9712_priv { |
358a8bb5 | 30 | struct snd_ac97 *ac97; |
cf1f2ebe LPC |
31 | unsigned int hp_mixer[2]; |
32 | struct mutex lock; | |
33 | }; | |
34 | ||
10c5cf30 RP |
35 | static unsigned int ac97_read(struct snd_soc_codec *codec, |
36 | unsigned int reg); | |
37 | static int ac97_write(struct snd_soc_codec *codec, | |
38 | unsigned int reg, unsigned int val); | |
39 | ||
10c5cf30 RP |
40 | /* |
41 | * WM9712 register cache | |
42 | */ | |
43 | static const u16 wm9712_reg[] = { | |
7e48bf65 MB |
44 | 0x6174, 0x8000, 0x8000, 0x8000, /* 6 */ |
45 | 0x0f0f, 0xaaa0, 0xc008, 0x6808, /* e */ | |
46 | 0xe808, 0xaaa0, 0xad00, 0x8000, /* 16 */ | |
47 | 0xe808, 0x3000, 0x8000, 0x0000, /* 1e */ | |
48 | 0x0000, 0x0000, 0x0000, 0x000f, /* 26 */ | |
49 | 0x0405, 0x0410, 0xbb80, 0xbb80, /* 2e */ | |
50 | 0x0000, 0xbb80, 0x0000, 0x0000, /* 36 */ | |
51 | 0x0000, 0x2000, 0x0000, 0x0000, /* 3e */ | |
52 | 0x0000, 0x0000, 0x0000, 0x0000, /* 46 */ | |
53 | 0x0000, 0x0000, 0xf83e, 0xffff, /* 4e */ | |
54 | 0x0000, 0x0000, 0x0000, 0xf83e, /* 56 */ | |
55 | 0x0008, 0x0000, 0x0000, 0x0000, /* 5e */ | |
56 | 0xb032, 0x3e00, 0x0000, 0x0000, /* 66 */ | |
57 | 0x0000, 0x0000, 0x0000, 0x0000, /* 6e */ | |
58 | 0x0000, 0x0000, 0x0000, 0x0006, /* 76 */ | |
59 | 0x0001, 0x0000, 0x574d, 0x4c12, /* 7e */ | |
10c5cf30 RP |
60 | }; |
61 | ||
cf1f2ebe LPC |
62 | #define HPL_MIXER 0x0 |
63 | #define HPR_MIXER 0x1 | |
10c5cf30 RP |
64 | |
65 | static const char *wm9712_alc_select[] = {"None", "Left", "Right", "Stereo"}; | |
66 | static const char *wm9712_alc_mux[] = {"Stereo", "Left", "Right", "None"}; | |
67 | static const char *wm9712_out3_src[] = {"Left", "VREF", "Left + Right", | |
68 | "Mono"}; | |
69 | static const char *wm9712_spk_src[] = {"Speaker Mix", "Headphone Mix"}; | |
70 | static const char *wm9712_rec_adc[] = {"Stereo", "Left", "Right", "Mute"}; | |
71 | static const char *wm9712_base[] = {"Linear Control", "Adaptive Boost"}; | |
72 | static const char *wm9712_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"}; | |
73 | static const char *wm9712_mic[] = {"Mic 1", "Differential", "Mic 2", | |
74 | "Stereo"}; | |
75 | static const char *wm9712_rec_sel[] = {"Mic", "NC", "NC", "Speaker Mixer", | |
76 | "Line", "Headphone Mixer", "Phone Mixer", "Phone"}; | |
77 | static const char *wm9712_ng_type[] = {"Constant Gain", "Mute"}; | |
78 | static const char *wm9712_diff_sel[] = {"Mic", "Line"}; | |
79 | ||
471280b7 MB |
80 | static const DECLARE_TLV_DB_SCALE(main_tlv, -3450, 150, 0); |
81 | static const DECLARE_TLV_DB_SCALE(boost_tlv, 0, 2000, 0); | |
82 | ||
10c5cf30 RP |
83 | static const struct soc_enum wm9712_enum[] = { |
84 | SOC_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9712_alc_select), | |
85 | SOC_ENUM_SINGLE(AC97_VIDEO, 12, 4, wm9712_alc_mux), | |
86 | SOC_ENUM_SINGLE(AC97_AUX, 9, 4, wm9712_out3_src), | |
87 | SOC_ENUM_SINGLE(AC97_AUX, 8, 2, wm9712_spk_src), | |
88 | SOC_ENUM_SINGLE(AC97_REC_SEL, 12, 4, wm9712_rec_adc), | |
89 | SOC_ENUM_SINGLE(AC97_MASTER_TONE, 15, 2, wm9712_base), | |
90 | SOC_ENUM_DOUBLE(AC97_REC_GAIN, 14, 6, 2, wm9712_rec_gain), | |
91 | SOC_ENUM_SINGLE(AC97_MIC, 5, 4, wm9712_mic), | |
92 | SOC_ENUM_SINGLE(AC97_REC_SEL, 8, 8, wm9712_rec_sel), | |
93 | SOC_ENUM_SINGLE(AC97_REC_SEL, 0, 8, wm9712_rec_sel), | |
94 | SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9712_ng_type), | |
95 | SOC_ENUM_SINGLE(0x5c, 8, 2, wm9712_diff_sel), | |
96 | }; | |
97 | ||
98 | static const struct snd_kcontrol_new wm9712_snd_ac97_controls[] = { | |
99 | SOC_DOUBLE("Speaker Playback Volume", AC97_MASTER, 8, 0, 31, 1), | |
100 | SOC_SINGLE("Speaker Playback Switch", AC97_MASTER, 15, 1, 1), | |
101 | SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1), | |
7e48bf65 | 102 | SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 1, 1), |
53ae5194 | 103 | SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1), |
10c5cf30 RP |
104 | |
105 | SOC_SINGLE("Speaker Playback ZC Switch", AC97_MASTER, 7, 1, 0), | |
106 | SOC_SINGLE("Speaker Playback Invert Switch", AC97_MASTER, 6, 1, 0), | |
107 | SOC_SINGLE("Headphone Playback ZC Switch", AC97_HEADPHONE, 7, 1, 0), | |
108 | SOC_SINGLE("Mono Playback ZC Switch", AC97_MASTER_MONO, 7, 1, 0), | |
18fe4ac2 MR |
109 | SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1), |
110 | SOC_SINGLE("Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1), | |
10c5cf30 RP |
111 | |
112 | SOC_SINGLE("ALC Target Volume", AC97_CODEC_CLASS_REV, 12, 15, 0), | |
113 | SOC_SINGLE("ALC Hold Time", AC97_CODEC_CLASS_REV, 8, 15, 0), | |
114 | SOC_SINGLE("ALC Decay Time", AC97_CODEC_CLASS_REV, 4, 15, 0), | |
115 | SOC_SINGLE("ALC Attack Time", AC97_CODEC_CLASS_REV, 0, 15, 0), | |
116 | SOC_ENUM("ALC Function", wm9712_enum[0]), | |
117 | SOC_SINGLE("ALC Max Volume", AC97_PCI_SVID, 11, 7, 0), | |
118 | SOC_SINGLE("ALC ZC Timeout", AC97_PCI_SVID, 9, 3, 1), | |
119 | SOC_SINGLE("ALC ZC Switch", AC97_PCI_SVID, 8, 1, 0), | |
120 | SOC_SINGLE("ALC NG Switch", AC97_PCI_SVID, 7, 1, 0), | |
121 | SOC_ENUM("ALC NG Type", wm9712_enum[10]), | |
122 | SOC_SINGLE("ALC NG Threshold", AC97_PCI_SVID, 0, 31, 1), | |
123 | ||
124 | SOC_SINGLE("Mic Headphone Volume", AC97_VIDEO, 12, 7, 1), | |
125 | SOC_SINGLE("ALC Headphone Volume", AC97_VIDEO, 7, 7, 1), | |
126 | ||
127 | SOC_SINGLE("Out3 Switch", AC97_AUX, 15, 1, 1), | |
128 | SOC_SINGLE("Out3 ZC Switch", AC97_AUX, 7, 1, 1), | |
129 | SOC_SINGLE("Out3 Volume", AC97_AUX, 0, 31, 1), | |
130 | ||
131 | SOC_SINGLE("PCBeep Bypass Headphone Volume", AC97_PC_BEEP, 12, 7, 1), | |
132 | SOC_SINGLE("PCBeep Bypass Speaker Volume", AC97_PC_BEEP, 8, 7, 1), | |
133 | SOC_SINGLE("PCBeep Bypass Phone Volume", AC97_PC_BEEP, 4, 7, 1), | |
134 | ||
135 | SOC_SINGLE("Aux Playback Headphone Volume", AC97_CD, 12, 7, 1), | |
136 | SOC_SINGLE("Aux Playback Speaker Volume", AC97_CD, 8, 7, 1), | |
137 | SOC_SINGLE("Aux Playback Phone Volume", AC97_CD, 4, 7, 1), | |
138 | ||
7570f29a | 139 | SOC_SINGLE("Phone Volume", AC97_PHONE, 0, 15, 1), |
10c5cf30 RP |
140 | SOC_DOUBLE("Line Capture Volume", AC97_LINE, 8, 0, 31, 1), |
141 | ||
3eadd88a MB |
142 | SOC_SINGLE_TLV("Capture Boost Switch", AC97_REC_SEL, 14, 1, 0, boost_tlv), |
143 | SOC_SINGLE_TLV("Capture to Phone Boost Switch", AC97_REC_SEL, 11, 1, 1, | |
144 | boost_tlv), | |
10c5cf30 RP |
145 | |
146 | SOC_SINGLE("3D Upper Cut-off Switch", AC97_3D_CONTROL, 5, 1, 1), | |
147 | SOC_SINGLE("3D Lower Cut-off Switch", AC97_3D_CONTROL, 4, 1, 1), | |
148 | SOC_SINGLE("3D Playback Volume", AC97_3D_CONTROL, 0, 15, 0), | |
149 | ||
150 | SOC_ENUM("Bass Control", wm9712_enum[5]), | |
151 | SOC_SINGLE("Bass Cut-off Switch", AC97_MASTER_TONE, 12, 1, 1), | |
152 | SOC_SINGLE("Tone Cut-off Switch", AC97_MASTER_TONE, 4, 1, 1), | |
153 | SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_MASTER_TONE, 6, 1, 0), | |
18fe4ac2 MR |
154 | SOC_SINGLE("Bass Volume", AC97_MASTER_TONE, 8, 15, 1), |
155 | SOC_SINGLE("Treble Volume", AC97_MASTER_TONE, 0, 15, 1), | |
10c5cf30 | 156 | |
689185b7 | 157 | SOC_SINGLE("Capture Switch", AC97_REC_GAIN, 15, 1, 1), |
10c5cf30 | 158 | SOC_ENUM("Capture Volume Steps", wm9712_enum[6]), |
28c42c28 | 159 | SOC_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 63, 0), |
10c5cf30 RP |
160 | SOC_SINGLE("Capture ZC Switch", AC97_REC_GAIN, 7, 1, 0), |
161 | ||
471280b7 MB |
162 | SOC_SINGLE_TLV("Mic 1 Volume", AC97_MIC, 8, 31, 1, main_tlv), |
163 | SOC_SINGLE_TLV("Mic 2 Volume", AC97_MIC, 0, 31, 1, main_tlv), | |
164 | SOC_SINGLE_TLV("Mic Boost Volume", AC97_MIC, 7, 1, 0, boost_tlv), | |
10c5cf30 RP |
165 | }; |
166 | ||
cf1f2ebe LPC |
167 | static const unsigned int wm9712_mixer_mute_regs[] = { |
168 | AC97_VIDEO, | |
169 | AC97_PCM, | |
170 | AC97_LINE, | |
171 | AC97_PHONE, | |
172 | AC97_CD, | |
173 | AC97_PC_BEEP, | |
174 | }; | |
175 | ||
10c5cf30 RP |
176 | /* We have to create a fake left and right HP mixers because |
177 | * the codec only has a single control that is shared by both channels. | |
178 | * This makes it impossible to determine the audio path. | |
179 | */ | |
cf1f2ebe LPC |
180 | static int wm9712_hp_mixer_put(struct snd_kcontrol *kcontrol, |
181 | struct snd_ctl_elem_value *ucontrol) | |
10c5cf30 | 182 | { |
cf1f2ebe LPC |
183 | struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol); |
184 | struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm); | |
185 | struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec); | |
4b0b669b | 186 | unsigned int val = ucontrol->value.integer.value[0]; |
cf1f2ebe LPC |
187 | struct soc_mixer_control *mc = |
188 | (struct soc_mixer_control *)kcontrol->private_value; | |
189 | unsigned int mixer, mask, shift, old; | |
190 | struct snd_soc_dapm_update update; | |
191 | bool change; | |
192 | ||
193 | mixer = mc->shift >> 8; | |
194 | shift = mc->shift & 0xff; | |
195 | mask = 1 << shift; | |
196 | ||
197 | mutex_lock(&wm9712->lock); | |
198 | old = wm9712->hp_mixer[mixer]; | |
4b0b669b | 199 | if (ucontrol->value.integer.value[0]) |
cf1f2ebe | 200 | wm9712->hp_mixer[mixer] |= mask; |
10c5cf30 | 201 | else |
cf1f2ebe LPC |
202 | wm9712->hp_mixer[mixer] &= ~mask; |
203 | ||
204 | change = old != wm9712->hp_mixer[mixer]; | |
205 | if (change) { | |
206 | update.kcontrol = kcontrol; | |
207 | update.reg = wm9712_mixer_mute_regs[shift]; | |
208 | update.mask = 0x8000; | |
209 | if ((wm9712->hp_mixer[0] & mask) || | |
210 | (wm9712->hp_mixer[1] & mask)) | |
211 | update.val = 0x0; | |
212 | else | |
213 | update.val = 0x8000; | |
214 | ||
215 | snd_soc_dapm_mixer_update_power(dapm, kcontrol, val, | |
216 | &update); | |
217 | } | |
10c5cf30 | 218 | |
cf1f2ebe | 219 | mutex_unlock(&wm9712->lock); |
10c5cf30 | 220 | |
cf1f2ebe LPC |
221 | return change; |
222 | } | |
10c5cf30 | 223 | |
cf1f2ebe LPC |
224 | static int wm9712_hp_mixer_get(struct snd_kcontrol *kcontrol, |
225 | struct snd_ctl_elem_value *ucontrol) | |
226 | { | |
227 | struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol); | |
228 | struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm); | |
229 | struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec); | |
230 | struct soc_mixer_control *mc = | |
231 | (struct soc_mixer_control *)kcontrol->private_value; | |
232 | unsigned int shift, mixer; | |
10c5cf30 | 233 | |
cf1f2ebe LPC |
234 | mixer = mc->shift >> 8; |
235 | shift = mc->shift & 0xff; | |
10c5cf30 | 236 | |
4b0b669b | 237 | ucontrol->value.integer.value[0] = |
cf1f2ebe | 238 | (wm9712->hp_mixer[mixer] >> shift) & 1; |
10c5cf30 RP |
239 | |
240 | return 0; | |
241 | } | |
242 | ||
cf1f2ebe LPC |
243 | #define WM9712_HP_MIXER_CTRL(xname, xmixer, xshift) { \ |
244 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ | |
245 | .info = snd_soc_info_volsw, \ | |
246 | .get = wm9712_hp_mixer_get, .put = wm9712_hp_mixer_put, \ | |
247 | .private_value = SOC_SINGLE_VALUE(SND_SOC_NOPM, \ | |
248 | (xmixer << 8) | xshift, 1, 0, 0) \ | |
249 | } | |
250 | ||
10c5cf30 RP |
251 | /* Left Headphone Mixers */ |
252 | static const struct snd_kcontrol_new wm9712_hpl_mixer_controls[] = { | |
cf1f2ebe LPC |
253 | WM9712_HP_MIXER_CTRL("PCBeep Bypass Switch", HPL_MIXER, 5), |
254 | WM9712_HP_MIXER_CTRL("Aux Playback Switch", HPL_MIXER, 4), | |
255 | WM9712_HP_MIXER_CTRL("Phone Bypass Switch", HPL_MIXER, 3), | |
256 | WM9712_HP_MIXER_CTRL("Line Bypass Switch", HPL_MIXER, 2), | |
257 | WM9712_HP_MIXER_CTRL("PCM Playback Switch", HPL_MIXER, 1), | |
258 | WM9712_HP_MIXER_CTRL("Mic Sidetone Switch", HPL_MIXER, 0), | |
10c5cf30 RP |
259 | }; |
260 | ||
261 | /* Right Headphone Mixers */ | |
262 | static const struct snd_kcontrol_new wm9712_hpr_mixer_controls[] = { | |
cf1f2ebe LPC |
263 | WM9712_HP_MIXER_CTRL("PCBeep Bypass Switch", HPR_MIXER, 5), |
264 | WM9712_HP_MIXER_CTRL("Aux Playback Switch", HPR_MIXER, 4), | |
265 | WM9712_HP_MIXER_CTRL("Phone Bypass Switch", HPR_MIXER, 3), | |
266 | WM9712_HP_MIXER_CTRL("Line Bypass Switch", HPR_MIXER, 2), | |
267 | WM9712_HP_MIXER_CTRL("PCM Playback Switch", HPR_MIXER, 1), | |
268 | WM9712_HP_MIXER_CTRL("Mic Sidetone Switch", HPR_MIXER, 0), | |
10c5cf30 RP |
269 | }; |
270 | ||
271 | /* Speaker Mixer */ | |
272 | static const struct snd_kcontrol_new wm9712_speaker_mixer_controls[] = { | |
273 | SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 11, 1, 1), | |
274 | SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 11, 1, 1), | |
275 | SOC_DAPM_SINGLE("Phone Bypass Switch", AC97_PHONE, 14, 1, 1), | |
276 | SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 14, 1, 1), | |
277 | SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 14, 1, 1), | |
278 | }; | |
279 | ||
280 | /* Phone Mixer */ | |
281 | static const struct snd_kcontrol_new wm9712_phone_mixer_controls[] = { | |
282 | SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 7, 1, 1), | |
283 | SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 7, 1, 1), | |
284 | SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 13, 1, 1), | |
285 | SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 13, 1, 1), | |
286 | SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_MIC, 14, 1, 1), | |
287 | SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_MIC, 13, 1, 1), | |
288 | }; | |
289 | ||
290 | /* ALC headphone mux */ | |
291 | static const struct snd_kcontrol_new wm9712_alc_mux_controls = | |
292 | SOC_DAPM_ENUM("Route", wm9712_enum[1]); | |
293 | ||
294 | /* out 3 mux */ | |
295 | static const struct snd_kcontrol_new wm9712_out3_mux_controls = | |
296 | SOC_DAPM_ENUM("Route", wm9712_enum[2]); | |
297 | ||
298 | /* spk mux */ | |
299 | static const struct snd_kcontrol_new wm9712_spk_mux_controls = | |
300 | SOC_DAPM_ENUM("Route", wm9712_enum[3]); | |
301 | ||
302 | /* Capture to Phone mux */ | |
303 | static const struct snd_kcontrol_new wm9712_capture_phone_mux_controls = | |
304 | SOC_DAPM_ENUM("Route", wm9712_enum[4]); | |
305 | ||
306 | /* Capture left select */ | |
307 | static const struct snd_kcontrol_new wm9712_capture_selectl_controls = | |
308 | SOC_DAPM_ENUM("Route", wm9712_enum[8]); | |
309 | ||
310 | /* Capture right select */ | |
311 | static const struct snd_kcontrol_new wm9712_capture_selectr_controls = | |
312 | SOC_DAPM_ENUM("Route", wm9712_enum[9]); | |
313 | ||
314 | /* Mic select */ | |
315 | static const struct snd_kcontrol_new wm9712_mic_src_controls = | |
ccf79584 | 316 | SOC_DAPM_ENUM("Mic Source Select", wm9712_enum[7]); |
10c5cf30 RP |
317 | |
318 | /* diff select */ | |
319 | static const struct snd_kcontrol_new wm9712_diff_sel_controls = | |
320 | SOC_DAPM_ENUM("Route", wm9712_enum[11]); | |
321 | ||
322 | static const struct snd_soc_dapm_widget wm9712_dapm_widgets[] = { | |
323 | SND_SOC_DAPM_MUX("ALC Sidetone Mux", SND_SOC_NOPM, 0, 0, | |
324 | &wm9712_alc_mux_controls), | |
325 | SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0, | |
326 | &wm9712_out3_mux_controls), | |
327 | SND_SOC_DAPM_MUX("Speaker Mux", SND_SOC_NOPM, 0, 0, | |
328 | &wm9712_spk_mux_controls), | |
329 | SND_SOC_DAPM_MUX("Capture Phone Mux", SND_SOC_NOPM, 0, 0, | |
330 | &wm9712_capture_phone_mux_controls), | |
331 | SND_SOC_DAPM_MUX("Left Capture Select", SND_SOC_NOPM, 0, 0, | |
332 | &wm9712_capture_selectl_controls), | |
333 | SND_SOC_DAPM_MUX("Right Capture Select", SND_SOC_NOPM, 0, 0, | |
334 | &wm9712_capture_selectr_controls), | |
ccf79584 MB |
335 | SND_SOC_DAPM_MUX("Left Mic Select Source", SND_SOC_NOPM, 0, 0, |
336 | &wm9712_mic_src_controls), | |
337 | SND_SOC_DAPM_MUX("Right Mic Select Source", SND_SOC_NOPM, 0, 0, | |
10c5cf30 RP |
338 | &wm9712_mic_src_controls), |
339 | SND_SOC_DAPM_MUX("Differential Source", SND_SOC_NOPM, 0, 0, | |
340 | &wm9712_diff_sel_controls), | |
341 | SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0), | |
cf1f2ebe LPC |
342 | SND_SOC_DAPM_MIXER("Left HP Mixer", AC97_INT_PAGING, 9, 1, |
343 | &wm9712_hpl_mixer_controls[0], ARRAY_SIZE(wm9712_hpl_mixer_controls)), | |
344 | SND_SOC_DAPM_MIXER("Right HP Mixer", AC97_INT_PAGING, 8, 1, | |
345 | &wm9712_hpr_mixer_controls[0], ARRAY_SIZE(wm9712_hpr_mixer_controls)), | |
10c5cf30 RP |
346 | SND_SOC_DAPM_MIXER("Phone Mixer", AC97_INT_PAGING, 6, 1, |
347 | &wm9712_phone_mixer_controls[0], ARRAY_SIZE(wm9712_phone_mixer_controls)), | |
348 | SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_INT_PAGING, 7, 1, | |
349 | &wm9712_speaker_mixer_controls[0], | |
350 | ARRAY_SIZE(wm9712_speaker_mixer_controls)), | |
351 | SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, NULL, 0), | |
352 | SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_INT_PAGING, 14, 1), | |
353 | SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_INT_PAGING, 13, 1), | |
354 | SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", SND_SOC_NOPM, 0, 0), | |
355 | SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", AC97_INT_PAGING, 12, 1), | |
356 | SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", AC97_INT_PAGING, 11, 1), | |
357 | SND_SOC_DAPM_PGA("Headphone PGA", AC97_INT_PAGING, 4, 1, NULL, 0), | |
358 | SND_SOC_DAPM_PGA("Speaker PGA", AC97_INT_PAGING, 3, 1, NULL, 0), | |
359 | SND_SOC_DAPM_PGA("Out 3 PGA", AC97_INT_PAGING, 5, 1, NULL, 0), | |
360 | SND_SOC_DAPM_PGA("Line PGA", AC97_INT_PAGING, 2, 1, NULL, 0), | |
361 | SND_SOC_DAPM_PGA("Phone PGA", AC97_INT_PAGING, 1, 1, NULL, 0), | |
362 | SND_SOC_DAPM_PGA("Mic PGA", AC97_INT_PAGING, 0, 1, NULL, 0), | |
ccf79584 | 363 | SND_SOC_DAPM_PGA("Differential Mic", SND_SOC_NOPM, 0, 0, NULL, 0), |
10c5cf30 RP |
364 | SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_INT_PAGING, 10, 1), |
365 | SND_SOC_DAPM_OUTPUT("MONOOUT"), | |
366 | SND_SOC_DAPM_OUTPUT("HPOUTL"), | |
367 | SND_SOC_DAPM_OUTPUT("HPOUTR"), | |
368 | SND_SOC_DAPM_OUTPUT("LOUT2"), | |
369 | SND_SOC_DAPM_OUTPUT("ROUT2"), | |
370 | SND_SOC_DAPM_OUTPUT("OUT3"), | |
371 | SND_SOC_DAPM_INPUT("LINEINL"), | |
372 | SND_SOC_DAPM_INPUT("LINEINR"), | |
373 | SND_SOC_DAPM_INPUT("PHONE"), | |
374 | SND_SOC_DAPM_INPUT("PCBEEP"), | |
375 | SND_SOC_DAPM_INPUT("MIC1"), | |
376 | SND_SOC_DAPM_INPUT("MIC2"), | |
377 | }; | |
378 | ||
98334778 | 379 | static const struct snd_soc_dapm_route wm9712_audio_map[] = { |
10c5cf30 RP |
380 | /* virtual mixer - mixes left & right channels for spk and mono */ |
381 | {"AC97 Mixer", NULL, "Left DAC"}, | |
382 | {"AC97 Mixer", NULL, "Right DAC"}, | |
383 | ||
384 | /* Left HP mixer */ | |
385 | {"Left HP Mixer", "PCBeep Bypass Switch", "PCBEEP"}, | |
386 | {"Left HP Mixer", "Aux Playback Switch", "Aux DAC"}, | |
387 | {"Left HP Mixer", "Phone Bypass Switch", "Phone PGA"}, | |
388 | {"Left HP Mixer", "Line Bypass Switch", "Line PGA"}, | |
389 | {"Left HP Mixer", "PCM Playback Switch", "Left DAC"}, | |
390 | {"Left HP Mixer", "Mic Sidetone Switch", "Mic PGA"}, | |
391 | {"Left HP Mixer", NULL, "ALC Sidetone Mux"}, | |
10c5cf30 RP |
392 | |
393 | /* Right HP mixer */ | |
394 | {"Right HP Mixer", "PCBeep Bypass Switch", "PCBEEP"}, | |
395 | {"Right HP Mixer", "Aux Playback Switch", "Aux DAC"}, | |
396 | {"Right HP Mixer", "Phone Bypass Switch", "Phone PGA"}, | |
397 | {"Right HP Mixer", "Line Bypass Switch", "Line PGA"}, | |
398 | {"Right HP Mixer", "PCM Playback Switch", "Right DAC"}, | |
399 | {"Right HP Mixer", "Mic Sidetone Switch", "Mic PGA"}, | |
400 | {"Right HP Mixer", NULL, "ALC Sidetone Mux"}, | |
401 | ||
402 | /* speaker mixer */ | |
403 | {"Speaker Mixer", "PCBeep Bypass Switch", "PCBEEP"}, | |
404 | {"Speaker Mixer", "Line Bypass Switch", "Line PGA"}, | |
405 | {"Speaker Mixer", "PCM Playback Switch", "AC97 Mixer"}, | |
406 | {"Speaker Mixer", "Phone Bypass Switch", "Phone PGA"}, | |
407 | {"Speaker Mixer", "Aux Playback Switch", "Aux DAC"}, | |
408 | ||
409 | /* Phone mixer */ | |
410 | {"Phone Mixer", "PCBeep Bypass Switch", "PCBEEP"}, | |
411 | {"Phone Mixer", "Line Bypass Switch", "Line PGA"}, | |
412 | {"Phone Mixer", "Aux Playback Switch", "Aux DAC"}, | |
413 | {"Phone Mixer", "PCM Playback Switch", "AC97 Mixer"}, | |
414 | {"Phone Mixer", "Mic 1 Sidetone Switch", "Mic PGA"}, | |
415 | {"Phone Mixer", "Mic 2 Sidetone Switch", "Mic PGA"}, | |
416 | ||
417 | /* inputs */ | |
418 | {"Line PGA", NULL, "LINEINL"}, | |
419 | {"Line PGA", NULL, "LINEINR"}, | |
420 | {"Phone PGA", NULL, "PHONE"}, | |
421 | {"Mic PGA", NULL, "MIC1"}, | |
422 | {"Mic PGA", NULL, "MIC2"}, | |
423 | ||
ccf79584 MB |
424 | /* microphones */ |
425 | {"Differential Mic", NULL, "MIC1"}, | |
426 | {"Differential Mic", NULL, "MIC2"}, | |
427 | {"Left Mic Select Source", "Mic 1", "MIC1"}, | |
428 | {"Left Mic Select Source", "Mic 2", "MIC2"}, | |
429 | {"Left Mic Select Source", "Stereo", "MIC1"}, | |
430 | {"Left Mic Select Source", "Differential", "Differential Mic"}, | |
431 | {"Right Mic Select Source", "Mic 1", "MIC1"}, | |
432 | {"Right Mic Select Source", "Mic 2", "MIC2"}, | |
433 | {"Right Mic Select Source", "Stereo", "MIC2"}, | |
434 | {"Right Mic Select Source", "Differential", "Differential Mic"}, | |
435 | ||
10c5cf30 RP |
436 | /* left capture selector */ |
437 | {"Left Capture Select", "Mic", "MIC1"}, | |
438 | {"Left Capture Select", "Speaker Mixer", "Speaker Mixer"}, | |
439 | {"Left Capture Select", "Line", "LINEINL"}, | |
440 | {"Left Capture Select", "Headphone Mixer", "Left HP Mixer"}, | |
441 | {"Left Capture Select", "Phone Mixer", "Phone Mixer"}, | |
442 | {"Left Capture Select", "Phone", "PHONE"}, | |
443 | ||
444 | /* right capture selector */ | |
445 | {"Right Capture Select", "Mic", "MIC2"}, | |
446 | {"Right Capture Select", "Speaker Mixer", "Speaker Mixer"}, | |
447 | {"Right Capture Select", "Line", "LINEINR"}, | |
448 | {"Right Capture Select", "Headphone Mixer", "Right HP Mixer"}, | |
449 | {"Right Capture Select", "Phone Mixer", "Phone Mixer"}, | |
450 | {"Right Capture Select", "Phone", "PHONE"}, | |
451 | ||
452 | /* ALC Sidetone */ | |
453 | {"ALC Sidetone Mux", "Stereo", "Left Capture Select"}, | |
454 | {"ALC Sidetone Mux", "Stereo", "Right Capture Select"}, | |
455 | {"ALC Sidetone Mux", "Left", "Left Capture Select"}, | |
456 | {"ALC Sidetone Mux", "Right", "Right Capture Select"}, | |
457 | ||
458 | /* ADC's */ | |
459 | {"Left ADC", NULL, "Left Capture Select"}, | |
460 | {"Right ADC", NULL, "Right Capture Select"}, | |
461 | ||
462 | /* outputs */ | |
463 | {"MONOOUT", NULL, "Phone Mixer"}, | |
464 | {"HPOUTL", NULL, "Headphone PGA"}, | |
465 | {"Headphone PGA", NULL, "Left HP Mixer"}, | |
466 | {"HPOUTR", NULL, "Headphone PGA"}, | |
467 | {"Headphone PGA", NULL, "Right HP Mixer"}, | |
468 | ||
94324841 MV |
469 | /* mono mixer */ |
470 | {"Mono Mixer", NULL, "Left HP Mixer"}, | |
471 | {"Mono Mixer", NULL, "Right HP Mixer"}, | |
10c5cf30 RP |
472 | |
473 | /* Out3 Mux */ | |
474 | {"Out3 Mux", "Left", "Left HP Mixer"}, | |
475 | {"Out3 Mux", "Mono", "Phone Mixer"}, | |
94324841 | 476 | {"Out3 Mux", "Left + Right", "Mono Mixer"}, |
10c5cf30 RP |
477 | {"Out 3 PGA", NULL, "Out3 Mux"}, |
478 | {"OUT3", NULL, "Out 3 PGA"}, | |
479 | ||
480 | /* speaker Mux */ | |
481 | {"Speaker Mux", "Speaker Mix", "Speaker Mixer"}, | |
94324841 | 482 | {"Speaker Mux", "Headphone Mix", "Mono Mixer"}, |
10c5cf30 RP |
483 | {"Speaker PGA", NULL, "Speaker Mux"}, |
484 | {"LOUT2", NULL, "Speaker PGA"}, | |
485 | {"ROUT2", NULL, "Speaker PGA"}, | |
10c5cf30 RP |
486 | }; |
487 | ||
10c5cf30 RP |
488 | static unsigned int ac97_read(struct snd_soc_codec *codec, |
489 | unsigned int reg) | |
490 | { | |
358a8bb5 | 491 | struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec); |
10c5cf30 RP |
492 | u16 *cache = codec->reg_cache; |
493 | ||
494 | if (reg == AC97_RESET || reg == AC97_GPIO_STATUS || | |
495 | reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 || | |
496 | reg == AC97_REC_GAIN) | |
358a8bb5 | 497 | return soc_ac97_ops->read(wm9712->ac97, reg); |
10c5cf30 RP |
498 | else { |
499 | reg = reg >> 1; | |
500 | ||
91432e97 | 501 | if (reg >= (ARRAY_SIZE(wm9712_reg))) |
10c5cf30 RP |
502 | return -EIO; |
503 | ||
504 | return cache[reg]; | |
505 | } | |
506 | } | |
507 | ||
508 | static int ac97_write(struct snd_soc_codec *codec, unsigned int reg, | |
509 | unsigned int val) | |
510 | { | |
358a8bb5 | 511 | struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec); |
10c5cf30 RP |
512 | u16 *cache = codec->reg_cache; |
513 | ||
358a8bb5 | 514 | soc_ac97_ops->write(wm9712->ac97, reg, val); |
10c5cf30 | 515 | reg = reg >> 1; |
91432e97 | 516 | if (reg < (ARRAY_SIZE(wm9712_reg))) |
10c5cf30 RP |
517 | cache[reg] = val; |
518 | ||
519 | return 0; | |
520 | } | |
521 | ||
dee89c4d MB |
522 | static int ac97_prepare(struct snd_pcm_substream *substream, |
523 | struct snd_soc_dai *dai) | |
10c5cf30 | 524 | { |
e6968a17 | 525 | struct snd_soc_codec *codec = dai->codec; |
10c5cf30 RP |
526 | int reg; |
527 | u16 vra; | |
b46ac308 | 528 | struct snd_pcm_runtime *runtime = substream->runtime; |
10c5cf30 RP |
529 | |
530 | vra = ac97_read(codec, AC97_EXTENDED_STATUS); | |
531 | ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1); | |
532 | ||
533 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) | |
534 | reg = AC97_PCM_FRONT_DAC_RATE; | |
535 | else | |
536 | reg = AC97_PCM_LR_ADC_RATE; | |
537 | ||
538 | return ac97_write(codec, reg, runtime->rate); | |
539 | } | |
540 | ||
dee89c4d MB |
541 | static int ac97_aux_prepare(struct snd_pcm_substream *substream, |
542 | struct snd_soc_dai *dai) | |
10c5cf30 | 543 | { |
e6968a17 | 544 | struct snd_soc_codec *codec = dai->codec; |
10c5cf30 | 545 | u16 vra, xsle; |
b46ac308 | 546 | struct snd_pcm_runtime *runtime = substream->runtime; |
10c5cf30 RP |
547 | |
548 | vra = ac97_read(codec, AC97_EXTENDED_STATUS); | |
549 | ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1); | |
550 | xsle = ac97_read(codec, AC97_PCI_SID); | |
551 | ac97_write(codec, AC97_PCI_SID, xsle | 0x8000); | |
552 | ||
553 | if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK) | |
554 | return -ENODEV; | |
555 | ||
556 | return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate); | |
557 | } | |
558 | ||
cbe83b17 | 559 | #define WM9712_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ |
7e48bf65 MB |
560 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 |\ |
561 | SNDRV_PCM_RATE_48000) | |
cbe83b17 | 562 | |
85e7652d | 563 | static const struct snd_soc_dai_ops wm9712_dai_ops_hifi = { |
6335d055 EM |
564 | .prepare = ac97_prepare, |
565 | }; | |
566 | ||
85e7652d | 567 | static const struct snd_soc_dai_ops wm9712_dai_ops_aux = { |
6335d055 EM |
568 | .prepare = ac97_aux_prepare, |
569 | }; | |
570 | ||
0daaf7e8 | 571 | static struct snd_soc_dai_driver wm9712_dai[] = { |
10c5cf30 | 572 | { |
f0fba2ad | 573 | .name = "wm9712-hifi", |
10c5cf30 RP |
574 | .playback = { |
575 | .stream_name = "HiFi Playback", | |
576 | .channels_min = 1, | |
cbe83b17 LG |
577 | .channels_max = 2, |
578 | .rates = WM9712_AC97_RATES, | |
33f503c9 | 579 | .formats = SND_SOC_STD_AC97_FMTS,}, |
10c5cf30 RP |
580 | .capture = { |
581 | .stream_name = "HiFi Capture", | |
582 | .channels_min = 1, | |
cbe83b17 LG |
583 | .channels_max = 2, |
584 | .rates = WM9712_AC97_RATES, | |
33f503c9 | 585 | .formats = SND_SOC_STD_AC97_FMTS,}, |
6335d055 | 586 | .ops = &wm9712_dai_ops_hifi, |
cbe83b17 LG |
587 | }, |
588 | { | |
f0fba2ad | 589 | .name = "wm9712-aux", |
10c5cf30 RP |
590 | .playback = { |
591 | .stream_name = "Aux Playback", | |
592 | .channels_min = 1, | |
cbe83b17 LG |
593 | .channels_max = 1, |
594 | .rates = WM9712_AC97_RATES, | |
33f503c9 | 595 | .formats = SND_SOC_STD_AC97_FMTS,}, |
6335d055 | 596 | .ops = &wm9712_dai_ops_aux, |
cbe83b17 | 597 | } |
10c5cf30 | 598 | }; |
10c5cf30 | 599 | |
0be9898a MB |
600 | static int wm9712_set_bias_level(struct snd_soc_codec *codec, |
601 | enum snd_soc_bias_level level) | |
10c5cf30 | 602 | { |
0be9898a MB |
603 | switch (level) { |
604 | case SND_SOC_BIAS_ON: | |
605 | case SND_SOC_BIAS_PREPARE: | |
10c5cf30 | 606 | break; |
0be9898a | 607 | case SND_SOC_BIAS_STANDBY: |
10c5cf30 RP |
608 | ac97_write(codec, AC97_POWERDOWN, 0x0000); |
609 | break; | |
0be9898a | 610 | case SND_SOC_BIAS_OFF: |
10c5cf30 | 611 | /* disable everything including AC link */ |
10c5cf30 RP |
612 | ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff); |
613 | ac97_write(codec, AC97_POWERDOWN, 0xffff); | |
614 | break; | |
615 | } | |
10c5cf30 RP |
616 | return 0; |
617 | } | |
618 | ||
f0fba2ad | 619 | static int wm9712_soc_resume(struct snd_soc_codec *codec) |
10c5cf30 | 620 | { |
358a8bb5 | 621 | struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec); |
10c5cf30 RP |
622 | int i, ret; |
623 | u16 *cache = codec->reg_cache; | |
624 | ||
a575be4c LPC |
625 | ret = snd_ac97_reset(wm9712->ac97, true, WM9712_VENDOR_ID, |
626 | WM9712_VENDOR_ID_MASK); | |
12ced338 | 627 | if (ret < 0) |
10c5cf30 | 628 | return ret; |
10c5cf30 | 629 | |
bd1204cb | 630 | snd_soc_codec_force_bias_level(codec, SND_SOC_BIAS_STANDBY); |
10c5cf30 RP |
631 | |
632 | if (ret == 0) { | |
633 | /* Sync reg_cache with the hardware after cold reset */ | |
7e48bf65 | 634 | for (i = 2; i < ARRAY_SIZE(wm9712_reg) << 1; i += 2) { |
10c5cf30 | 635 | if (i == AC97_INT_PAGING || i == AC97_POWERDOWN || |
7e48bf65 | 636 | (i > 0x58 && i != 0x5c)) |
10c5cf30 | 637 | continue; |
358a8bb5 | 638 | soc_ac97_ops->write(wm9712->ac97, i, cache[i>>1]); |
10c5cf30 RP |
639 | } |
640 | } | |
641 | ||
10c5cf30 RP |
642 | return ret; |
643 | } | |
644 | ||
f0fba2ad | 645 | static int wm9712_soc_probe(struct snd_soc_codec *codec) |
10c5cf30 | 646 | { |
358a8bb5 | 647 | struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec); |
a575be4c | 648 | int ret; |
10c5cf30 | 649 | |
a575be4c LPC |
650 | wm9712->ac97 = snd_soc_new_ac97_codec(codec, WM9712_VENDOR_ID, |
651 | WM9712_VENDOR_ID_MASK); | |
358a8bb5 LPC |
652 | if (IS_ERR(wm9712->ac97)) { |
653 | ret = PTR_ERR(wm9712->ac97); | |
654 | dev_err(codec->dev, "Failed to register AC97 codec: %d\n", ret); | |
f0fba2ad | 655 | return ret; |
e35115a5 | 656 | } |
10c5cf30 | 657 | |
10c5cf30 RP |
658 | /* set alc mux to none */ |
659 | ac97_write(codec, AC97_VIDEO, ac97_read(codec, AC97_VIDEO) | 0x3000); | |
660 | ||
10c5cf30 | 661 | return 0; |
10c5cf30 RP |
662 | } |
663 | ||
f0fba2ad | 664 | static int wm9712_soc_remove(struct snd_soc_codec *codec) |
10c5cf30 | 665 | { |
358a8bb5 LPC |
666 | struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec); |
667 | ||
668 | snd_soc_free_ac97_codec(wm9712->ac97); | |
10c5cf30 RP |
669 | return 0; |
670 | } | |
671 | ||
f0fba2ad | 672 | static struct snd_soc_codec_driver soc_codec_dev_wm9712 = { |
10c5cf30 RP |
673 | .probe = wm9712_soc_probe, |
674 | .remove = wm9712_soc_remove, | |
10c5cf30 | 675 | .resume = wm9712_soc_resume, |
f0fba2ad LG |
676 | .read = ac97_read, |
677 | .write = ac97_write, | |
678 | .set_bias_level = wm9712_set_bias_level, | |
ab492b86 | 679 | .suspend_bias_off = true, |
e5eec34c | 680 | .reg_cache_size = ARRAY_SIZE(wm9712_reg), |
f0fba2ad LG |
681 | .reg_word_size = sizeof(u16), |
682 | .reg_cache_step = 2, | |
683 | .reg_cache_default = wm9712_reg, | |
9a812c6b LPC |
684 | |
685 | .controls = wm9712_snd_ac97_controls, | |
686 | .num_controls = ARRAY_SIZE(wm9712_snd_ac97_controls), | |
98334778 LG |
687 | .dapm_widgets = wm9712_dapm_widgets, |
688 | .num_dapm_widgets = ARRAY_SIZE(wm9712_dapm_widgets), | |
689 | .dapm_routes = wm9712_audio_map, | |
690 | .num_dapm_routes = ARRAY_SIZE(wm9712_audio_map), | |
10c5cf30 | 691 | }; |
f0fba2ad | 692 | |
7a79e94e | 693 | static int wm9712_probe(struct platform_device *pdev) |
f0fba2ad | 694 | { |
cf1f2ebe LPC |
695 | struct wm9712_priv *wm9712; |
696 | ||
697 | wm9712 = devm_kzalloc(&pdev->dev, sizeof(*wm9712), GFP_KERNEL); | |
698 | if (wm9712 == NULL) | |
699 | return -ENOMEM; | |
700 | ||
701 | mutex_init(&wm9712->lock); | |
702 | ||
703 | platform_set_drvdata(pdev, wm9712); | |
704 | ||
f0fba2ad LG |
705 | return snd_soc_register_codec(&pdev->dev, |
706 | &soc_codec_dev_wm9712, wm9712_dai, ARRAY_SIZE(wm9712_dai)); | |
707 | } | |
708 | ||
7a79e94e | 709 | static int wm9712_remove(struct platform_device *pdev) |
f0fba2ad LG |
710 | { |
711 | snd_soc_unregister_codec(&pdev->dev); | |
712 | return 0; | |
713 | } | |
714 | ||
715 | static struct platform_driver wm9712_codec_driver = { | |
716 | .driver = { | |
9a37eae2 | 717 | .name = "wm9712-codec", |
f0fba2ad LG |
718 | }, |
719 | ||
720 | .probe = wm9712_probe, | |
7a79e94e | 721 | .remove = wm9712_remove, |
f0fba2ad LG |
722 | }; |
723 | ||
5bbcc3c0 | 724 | module_platform_driver(wm9712_codec_driver); |
10c5cf30 RP |
725 | |
726 | MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver"); | |
727 | MODULE_AUTHOR("Liam Girdwood"); | |
728 | MODULE_LICENSE("GPL"); |