xref: /openbmc/linux/sound/soc/codecs/wm8400.c (revision e65e175b)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * wm8400.c  --  WM8400 ALSA Soc Audio driver
4  *
5  * Copyright 2008-11 Wolfson Microelectronics PLC.
6  * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
7  */
8 
9 #include <linux/module.h>
10 #include <linux/moduleparam.h>
11 #include <linux/kernel.h>
12 #include <linux/slab.h>
13 #include <linux/init.h>
14 #include <linux/delay.h>
15 #include <linux/pm.h>
16 #include <linux/platform_device.h>
17 #include <linux/regulator/consumer.h>
18 #include <linux/mfd/wm8400-audio.h>
19 #include <linux/mfd/wm8400-private.h>
20 #include <linux/mfd/core.h>
21 #include <sound/core.h>
22 #include <sound/pcm.h>
23 #include <sound/pcm_params.h>
24 #include <sound/soc.h>
25 #include <sound/initval.h>
26 #include <sound/tlv.h>
27 
28 #include "wm8400.h"
29 
30 static struct regulator_bulk_data power[] = {
31 	{
32 		.supply = "I2S1VDD",
33 	},
34 	{
35 		.supply = "I2S2VDD",
36 	},
37 	{
38 		.supply = "DCVDD",
39 	},
40 	{
41 		.supply = "AVDD",
42 	},
43 	{
44 		.supply = "FLLVDD",
45 	},
46 	{
47 		.supply = "HPVDD",
48 	},
49 	{
50 		.supply = "SPKVDD",
51 	},
52 };
53 
54 /* codec private data */
55 struct wm8400_priv {
56 	struct wm8400 *wm8400;
57 	u16 fake_register;
58 	unsigned int sysclk;
59 	unsigned int pcmclk;
60 	int fll_in, fll_out;
61 };
62 
63 static void wm8400_component_reset(struct snd_soc_component *component)
64 {
65 	struct wm8400_priv *wm8400 = snd_soc_component_get_drvdata(component);
66 
67 	wm8400_reset_codec_reg_cache(wm8400->wm8400);
68 }
69 
70 static const DECLARE_TLV_DB_SCALE(in_pga_tlv, -1650, 3000, 0);
71 
72 static const DECLARE_TLV_DB_SCALE(out_mix_tlv, -2100, 0, 0);
73 
74 static const DECLARE_TLV_DB_SCALE(out_pga_tlv, -7300, 600, 0);
75 
76 static const DECLARE_TLV_DB_SCALE(out_dac_tlv, -7163, 0, 0);
77 
78 static const DECLARE_TLV_DB_SCALE(in_adc_tlv, -7163, 1763, 0);
79 
80 static const DECLARE_TLV_DB_SCALE(out_sidetone_tlv, -3600, 0, 0);
81 
82 static int wm8400_outpga_put_volsw_vu(struct snd_kcontrol *kcontrol,
83         struct snd_ctl_elem_value *ucontrol)
84 {
85 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
86 	struct soc_mixer_control *mc =
87 		(struct soc_mixer_control *)kcontrol->private_value;
88 	int reg = mc->reg;
89         int ret;
90         u16 val;
91 
92         ret = snd_soc_put_volsw(kcontrol, ucontrol);
93         if (ret < 0)
94                 return ret;
95 
96         /* now hit the volume update bits (always bit 8) */
97 	val = snd_soc_component_read(component, reg);
98         return snd_soc_component_write(component, reg, val | 0x0100);
99 }
100 
101 #define WM8400_OUTPGA_SINGLE_R_TLV(xname, reg, shift, max, invert, tlv_array) \
102 	SOC_SINGLE_EXT_TLV(xname, reg, shift, max, invert, \
103 		snd_soc_get_volsw, wm8400_outpga_put_volsw_vu, tlv_array)
104 
105 
106 static const char *wm8400_digital_sidetone[] =
107 	{"None", "Left ADC", "Right ADC", "Reserved"};
108 
109 static SOC_ENUM_SINGLE_DECL(wm8400_left_digital_sidetone_enum,
110 			    WM8400_DIGITAL_SIDE_TONE,
111 			    WM8400_ADC_TO_DACL_SHIFT,
112 			    wm8400_digital_sidetone);
113 
114 static SOC_ENUM_SINGLE_DECL(wm8400_right_digital_sidetone_enum,
115 			    WM8400_DIGITAL_SIDE_TONE,
116 			    WM8400_ADC_TO_DACR_SHIFT,
117 			    wm8400_digital_sidetone);
118 
119 static const char *wm8400_adcmode[] =
120 	{"Hi-fi mode", "Voice mode 1", "Voice mode 2", "Voice mode 3"};
121 
122 static SOC_ENUM_SINGLE_DECL(wm8400_right_adcmode_enum,
123 			    WM8400_ADC_CTRL,
124 			    WM8400_ADC_HPF_CUT_SHIFT,
125 			    wm8400_adcmode);
126 
127 static const struct snd_kcontrol_new wm8400_snd_controls[] = {
128 /* INMIXL */
129 SOC_SINGLE("LIN12 PGA Boost", WM8400_INPUT_MIXER3, WM8400_L12MNBST_SHIFT,
130 	   1, 0),
131 SOC_SINGLE("LIN34 PGA Boost", WM8400_INPUT_MIXER3, WM8400_L34MNBST_SHIFT,
132 	   1, 0),
133 /* INMIXR */
134 SOC_SINGLE("RIN12 PGA Boost", WM8400_INPUT_MIXER3, WM8400_R12MNBST_SHIFT,
135 	   1, 0),
136 SOC_SINGLE("RIN34 PGA Boost", WM8400_INPUT_MIXER3, WM8400_R34MNBST_SHIFT,
137 	   1, 0),
138 
139 /* LOMIX */
140 SOC_SINGLE_TLV("LOMIX LIN3 Bypass Volume", WM8400_OUTPUT_MIXER3,
141 	WM8400_LLI3LOVOL_SHIFT, 7, 0, out_mix_tlv),
142 SOC_SINGLE_TLV("LOMIX RIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER3,
143 	WM8400_LR12LOVOL_SHIFT, 7, 0, out_mix_tlv),
144 SOC_SINGLE_TLV("LOMIX LIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER3,
145 	WM8400_LL12LOVOL_SHIFT, 7, 0, out_mix_tlv),
146 SOC_SINGLE_TLV("LOMIX RIN3 Bypass Volume", WM8400_OUTPUT_MIXER5,
147 	WM8400_LRI3LOVOL_SHIFT, 7, 0, out_mix_tlv),
148 SOC_SINGLE_TLV("LOMIX AINRMUX Bypass Volume", WM8400_OUTPUT_MIXER5,
149 	WM8400_LRBLOVOL_SHIFT, 7, 0, out_mix_tlv),
150 SOC_SINGLE_TLV("LOMIX AINLMUX Bypass Volume", WM8400_OUTPUT_MIXER5,
151 	WM8400_LRBLOVOL_SHIFT, 7, 0, out_mix_tlv),
152 
153 /* ROMIX */
154 SOC_SINGLE_TLV("ROMIX RIN3 Bypass Volume", WM8400_OUTPUT_MIXER4,
155 	WM8400_RRI3ROVOL_SHIFT, 7, 0, out_mix_tlv),
156 SOC_SINGLE_TLV("ROMIX LIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER4,
157 	WM8400_RL12ROVOL_SHIFT, 7, 0, out_mix_tlv),
158 SOC_SINGLE_TLV("ROMIX RIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER4,
159 	WM8400_RR12ROVOL_SHIFT, 7, 0, out_mix_tlv),
160 SOC_SINGLE_TLV("ROMIX LIN3 Bypass Volume", WM8400_OUTPUT_MIXER6,
161 	WM8400_RLI3ROVOL_SHIFT, 7, 0, out_mix_tlv),
162 SOC_SINGLE_TLV("ROMIX AINLMUX Bypass Volume", WM8400_OUTPUT_MIXER6,
163 	WM8400_RLBROVOL_SHIFT, 7, 0, out_mix_tlv),
164 SOC_SINGLE_TLV("ROMIX AINRMUX Bypass Volume", WM8400_OUTPUT_MIXER6,
165 	WM8400_RRBROVOL_SHIFT, 7, 0, out_mix_tlv),
166 
167 /* LOUT */
168 WM8400_OUTPGA_SINGLE_R_TLV("LOUT Volume", WM8400_LEFT_OUTPUT_VOLUME,
169 	WM8400_LOUTVOL_SHIFT, WM8400_LOUTVOL_MASK, 0, out_pga_tlv),
170 SOC_SINGLE("LOUT ZC", WM8400_LEFT_OUTPUT_VOLUME, WM8400_LOZC_SHIFT, 1, 0),
171 
172 /* ROUT */
173 WM8400_OUTPGA_SINGLE_R_TLV("ROUT Volume", WM8400_RIGHT_OUTPUT_VOLUME,
174 	WM8400_ROUTVOL_SHIFT, WM8400_ROUTVOL_MASK, 0, out_pga_tlv),
175 SOC_SINGLE("ROUT ZC", WM8400_RIGHT_OUTPUT_VOLUME, WM8400_ROZC_SHIFT, 1, 0),
176 
177 /* LOPGA */
178 WM8400_OUTPGA_SINGLE_R_TLV("LOPGA Volume", WM8400_LEFT_OPGA_VOLUME,
179 	WM8400_LOPGAVOL_SHIFT, WM8400_LOPGAVOL_MASK, 0, out_pga_tlv),
180 SOC_SINGLE("LOPGA ZC Switch", WM8400_LEFT_OPGA_VOLUME,
181 	WM8400_LOPGAZC_SHIFT, 1, 0),
182 
183 /* ROPGA */
184 WM8400_OUTPGA_SINGLE_R_TLV("ROPGA Volume", WM8400_RIGHT_OPGA_VOLUME,
185 	WM8400_ROPGAVOL_SHIFT, WM8400_ROPGAVOL_MASK, 0, out_pga_tlv),
186 SOC_SINGLE("ROPGA ZC Switch", WM8400_RIGHT_OPGA_VOLUME,
187 	WM8400_ROPGAZC_SHIFT, 1, 0),
188 
189 SOC_SINGLE("LON Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
190 	WM8400_LONMUTE_SHIFT, 1, 0),
191 SOC_SINGLE("LOP Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
192 	WM8400_LOPMUTE_SHIFT, 1, 0),
193 SOC_SINGLE("LOP Attenuation Switch", WM8400_LINE_OUTPUTS_VOLUME,
194 	WM8400_LOATTN_SHIFT, 1, 0),
195 SOC_SINGLE("RON Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
196 	WM8400_RONMUTE_SHIFT, 1, 0),
197 SOC_SINGLE("ROP Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
198 	WM8400_ROPMUTE_SHIFT, 1, 0),
199 SOC_SINGLE("ROP Attenuation Switch", WM8400_LINE_OUTPUTS_VOLUME,
200 	WM8400_ROATTN_SHIFT, 1, 0),
201 
202 SOC_SINGLE("OUT3 Mute Switch", WM8400_OUT3_4_VOLUME,
203 	WM8400_OUT3MUTE_SHIFT, 1, 0),
204 SOC_SINGLE("OUT3 Attenuation Switch", WM8400_OUT3_4_VOLUME,
205 	WM8400_OUT3ATTN_SHIFT, 1, 0),
206 
207 SOC_SINGLE("OUT4 Mute Switch", WM8400_OUT3_4_VOLUME,
208 	WM8400_OUT4MUTE_SHIFT, 1, 0),
209 SOC_SINGLE("OUT4 Attenuation Switch", WM8400_OUT3_4_VOLUME,
210 	WM8400_OUT4ATTN_SHIFT, 1, 0),
211 
212 SOC_SINGLE("Speaker Mode Switch", WM8400_CLASSD1,
213 	WM8400_CDMODE_SHIFT, 1, 0),
214 
215 SOC_SINGLE("Speaker Output Attenuation Volume", WM8400_SPEAKER_VOLUME,
216 	WM8400_SPKATTN_SHIFT, WM8400_SPKATTN_MASK, 0),
217 SOC_SINGLE("Speaker DC Boost Volume", WM8400_CLASSD3,
218 	WM8400_DCGAIN_SHIFT, 6, 0),
219 SOC_SINGLE("Speaker AC Boost Volume", WM8400_CLASSD3,
220 	WM8400_ACGAIN_SHIFT, 6, 0),
221 
222 WM8400_OUTPGA_SINGLE_R_TLV("Left DAC Digital Volume",
223 	WM8400_LEFT_DAC_DIGITAL_VOLUME, WM8400_DACL_VOL_SHIFT,
224 	127, 0, out_dac_tlv),
225 
226 WM8400_OUTPGA_SINGLE_R_TLV("Right DAC Digital Volume",
227 	WM8400_RIGHT_DAC_DIGITAL_VOLUME, WM8400_DACR_VOL_SHIFT,
228 	127, 0, out_dac_tlv),
229 
230 SOC_ENUM("Left Digital Sidetone", wm8400_left_digital_sidetone_enum),
231 SOC_ENUM("Right Digital Sidetone", wm8400_right_digital_sidetone_enum),
232 
233 SOC_SINGLE_TLV("Left Digital Sidetone Volume", WM8400_DIGITAL_SIDE_TONE,
234 	WM8400_ADCL_DAC_SVOL_SHIFT, 15, 0, out_sidetone_tlv),
235 SOC_SINGLE_TLV("Right Digital Sidetone Volume", WM8400_DIGITAL_SIDE_TONE,
236 	WM8400_ADCR_DAC_SVOL_SHIFT, 15, 0, out_sidetone_tlv),
237 
238 SOC_SINGLE("ADC Digital High Pass Filter Switch", WM8400_ADC_CTRL,
239 	WM8400_ADC_HPF_ENA_SHIFT, 1, 0),
240 
241 SOC_ENUM("ADC HPF Mode", wm8400_right_adcmode_enum),
242 
243 WM8400_OUTPGA_SINGLE_R_TLV("Left ADC Digital Volume",
244 	WM8400_LEFT_ADC_DIGITAL_VOLUME,
245 	WM8400_ADCL_VOL_SHIFT,
246 	WM8400_ADCL_VOL_MASK,
247 	0,
248 	in_adc_tlv),
249 
250 WM8400_OUTPGA_SINGLE_R_TLV("Right ADC Digital Volume",
251 	WM8400_RIGHT_ADC_DIGITAL_VOLUME,
252 	WM8400_ADCR_VOL_SHIFT,
253 	WM8400_ADCR_VOL_MASK,
254 	0,
255 	in_adc_tlv),
256 
257 WM8400_OUTPGA_SINGLE_R_TLV("LIN12 Volume",
258 	WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
259 	WM8400_LIN12VOL_SHIFT,
260 	WM8400_LIN12VOL_MASK,
261 	0,
262 	in_pga_tlv),
263 
264 SOC_SINGLE("LIN12 ZC Switch", WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
265 	WM8400_LI12ZC_SHIFT, 1, 0),
266 
267 SOC_SINGLE("LIN12 Mute Switch", WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
268 	WM8400_LI12MUTE_SHIFT, 1, 0),
269 
270 WM8400_OUTPGA_SINGLE_R_TLV("LIN34 Volume",
271 	WM8400_LEFT_LINE_INPUT_3_4_VOLUME,
272 	WM8400_LIN34VOL_SHIFT,
273 	WM8400_LIN34VOL_MASK,
274 	0,
275 	in_pga_tlv),
276 
277 SOC_SINGLE("LIN34 ZC Switch", WM8400_LEFT_LINE_INPUT_3_4_VOLUME,
278 	WM8400_LI34ZC_SHIFT, 1, 0),
279 
280 SOC_SINGLE("LIN34 Mute Switch", WM8400_LEFT_LINE_INPUT_3_4_VOLUME,
281 	WM8400_LI34MUTE_SHIFT, 1, 0),
282 
283 WM8400_OUTPGA_SINGLE_R_TLV("RIN12 Volume",
284 	WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
285 	WM8400_RIN12VOL_SHIFT,
286 	WM8400_RIN12VOL_MASK,
287 	0,
288 	in_pga_tlv),
289 
290 SOC_SINGLE("RIN12 ZC Switch", WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
291 	WM8400_RI12ZC_SHIFT, 1, 0),
292 
293 SOC_SINGLE("RIN12 Mute Switch", WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
294 	WM8400_RI12MUTE_SHIFT, 1, 0),
295 
296 WM8400_OUTPGA_SINGLE_R_TLV("RIN34 Volume",
297 	WM8400_RIGHT_LINE_INPUT_3_4_VOLUME,
298 	WM8400_RIN34VOL_SHIFT,
299 	WM8400_RIN34VOL_MASK,
300 	0,
301 	in_pga_tlv),
302 
303 SOC_SINGLE("RIN34 ZC Switch", WM8400_RIGHT_LINE_INPUT_3_4_VOLUME,
304 	WM8400_RI34ZC_SHIFT, 1, 0),
305 
306 SOC_SINGLE("RIN34 Mute Switch", WM8400_RIGHT_LINE_INPUT_3_4_VOLUME,
307 	WM8400_RI34MUTE_SHIFT, 1, 0),
308 
309 };
310 
311 /*
312  * _DAPM_ Controls
313  */
314 
315 static int outmixer_event (struct snd_soc_dapm_widget *w,
316 	struct snd_kcontrol * kcontrol, int event)
317 {
318 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
319 	struct soc_mixer_control *mc =
320 		(struct soc_mixer_control *)kcontrol->private_value;
321 	u32 reg_shift = mc->shift;
322 	int ret = 0;
323 	u16 reg;
324 
325 	switch (reg_shift) {
326 	case WM8400_SPEAKER_MIXER | (WM8400_LDSPK << 8) :
327 		reg = snd_soc_component_read(component, WM8400_OUTPUT_MIXER1);
328 		if (reg & WM8400_LDLO) {
329 			printk(KERN_WARNING
330 			"Cannot set as Output Mixer 1 LDLO Set\n");
331 			ret = -1;
332 		}
333 		break;
334 	case WM8400_SPEAKER_MIXER | (WM8400_RDSPK << 8):
335 		reg = snd_soc_component_read(component, WM8400_OUTPUT_MIXER2);
336 		if (reg & WM8400_RDRO) {
337 			printk(KERN_WARNING
338 			"Cannot set as Output Mixer 2 RDRO Set\n");
339 			ret = -1;
340 		}
341 		break;
342 	case WM8400_OUTPUT_MIXER1 | (WM8400_LDLO << 8):
343 		reg = snd_soc_component_read(component, WM8400_SPEAKER_MIXER);
344 		if (reg & WM8400_LDSPK) {
345 			printk(KERN_WARNING
346 			"Cannot set as Speaker Mixer LDSPK Set\n");
347 			ret = -1;
348 		}
349 		break;
350 	case WM8400_OUTPUT_MIXER2 | (WM8400_RDRO << 8):
351 		reg = snd_soc_component_read(component, WM8400_SPEAKER_MIXER);
352 		if (reg & WM8400_RDSPK) {
353 			printk(KERN_WARNING
354 			"Cannot set as Speaker Mixer RDSPK Set\n");
355 			ret = -1;
356 		}
357 		break;
358 	}
359 
360 	return ret;
361 }
362 
363 /* INMIX dB values */
364 static const DECLARE_TLV_DB_SCALE(in_mix_tlv, -1200, 600, 0);
365 
366 /* Left In PGA Connections */
367 static const struct snd_kcontrol_new wm8400_dapm_lin12_pga_controls[] = {
368 SOC_DAPM_SINGLE("LIN1 Switch", WM8400_INPUT_MIXER2, WM8400_LMN1_SHIFT, 1, 0),
369 SOC_DAPM_SINGLE("LIN2 Switch", WM8400_INPUT_MIXER2, WM8400_LMP2_SHIFT, 1, 0),
370 };
371 
372 static const struct snd_kcontrol_new wm8400_dapm_lin34_pga_controls[] = {
373 SOC_DAPM_SINGLE("LIN3 Switch", WM8400_INPUT_MIXER2, WM8400_LMN3_SHIFT, 1, 0),
374 SOC_DAPM_SINGLE("LIN4 Switch", WM8400_INPUT_MIXER2, WM8400_LMP4_SHIFT, 1, 0),
375 };
376 
377 /* Right In PGA Connections */
378 static const struct snd_kcontrol_new wm8400_dapm_rin12_pga_controls[] = {
379 SOC_DAPM_SINGLE("RIN1 Switch", WM8400_INPUT_MIXER2, WM8400_RMN1_SHIFT, 1, 0),
380 SOC_DAPM_SINGLE("RIN2 Switch", WM8400_INPUT_MIXER2, WM8400_RMP2_SHIFT, 1, 0),
381 };
382 
383 static const struct snd_kcontrol_new wm8400_dapm_rin34_pga_controls[] = {
384 SOC_DAPM_SINGLE("RIN3 Switch", WM8400_INPUT_MIXER2, WM8400_RMN3_SHIFT, 1, 0),
385 SOC_DAPM_SINGLE("RIN4 Switch", WM8400_INPUT_MIXER2, WM8400_RMP4_SHIFT, 1, 0),
386 };
387 
388 /* INMIXL */
389 static const struct snd_kcontrol_new wm8400_dapm_inmixl_controls[] = {
390 SOC_DAPM_SINGLE_TLV("Record Left Volume", WM8400_INPUT_MIXER3,
391 	WM8400_LDBVOL_SHIFT, WM8400_LDBVOL_MASK, 0, in_mix_tlv),
392 SOC_DAPM_SINGLE_TLV("LIN2 Volume", WM8400_INPUT_MIXER5, WM8400_LI2BVOL_SHIFT,
393 	7, 0, in_mix_tlv),
394 SOC_DAPM_SINGLE("LINPGA12 Switch", WM8400_INPUT_MIXER3, WM8400_L12MNB_SHIFT,
395 		1, 0),
396 SOC_DAPM_SINGLE("LINPGA34 Switch", WM8400_INPUT_MIXER3, WM8400_L34MNB_SHIFT,
397 		1, 0),
398 };
399 
400 /* INMIXR */
401 static const struct snd_kcontrol_new wm8400_dapm_inmixr_controls[] = {
402 SOC_DAPM_SINGLE_TLV("Record Right Volume", WM8400_INPUT_MIXER4,
403 	WM8400_RDBVOL_SHIFT, WM8400_RDBVOL_MASK, 0, in_mix_tlv),
404 SOC_DAPM_SINGLE_TLV("RIN2 Volume", WM8400_INPUT_MIXER6, WM8400_RI2BVOL_SHIFT,
405 	7, 0, in_mix_tlv),
406 SOC_DAPM_SINGLE("RINPGA12 Switch", WM8400_INPUT_MIXER3, WM8400_L12MNB_SHIFT,
407 	1, 0),
408 SOC_DAPM_SINGLE("RINPGA34 Switch", WM8400_INPUT_MIXER3, WM8400_L34MNB_SHIFT,
409 	1, 0),
410 };
411 
412 /* AINLMUX */
413 static const char *wm8400_ainlmux[] =
414 	{"INMIXL Mix", "RXVOICE Mix", "DIFFINL Mix"};
415 
416 static SOC_ENUM_SINGLE_DECL(wm8400_ainlmux_enum,
417 			    WM8400_INPUT_MIXER1,
418 			    WM8400_AINLMODE_SHIFT,
419 			    wm8400_ainlmux);
420 
421 static const struct snd_kcontrol_new wm8400_dapm_ainlmux_controls =
422 SOC_DAPM_ENUM("Route", wm8400_ainlmux_enum);
423 
424 /* DIFFINL */
425 
426 /* AINRMUX */
427 static const char *wm8400_ainrmux[] =
428 	{"INMIXR Mix", "RXVOICE Mix", "DIFFINR Mix"};
429 
430 static SOC_ENUM_SINGLE_DECL(wm8400_ainrmux_enum,
431 			    WM8400_INPUT_MIXER1,
432 			    WM8400_AINRMODE_SHIFT,
433 			    wm8400_ainrmux);
434 
435 static const struct snd_kcontrol_new wm8400_dapm_ainrmux_controls =
436 SOC_DAPM_ENUM("Route", wm8400_ainrmux_enum);
437 
438 /* LOMIX */
439 static const struct snd_kcontrol_new wm8400_dapm_lomix_controls[] = {
440 SOC_DAPM_SINGLE("LOMIX Right ADC Bypass Switch", WM8400_OUTPUT_MIXER1,
441 	WM8400_LRBLO_SHIFT, 1, 0),
442 SOC_DAPM_SINGLE("LOMIX Left ADC Bypass Switch", WM8400_OUTPUT_MIXER1,
443 	WM8400_LLBLO_SHIFT, 1, 0),
444 SOC_DAPM_SINGLE("LOMIX RIN3 Bypass Switch", WM8400_OUTPUT_MIXER1,
445 	WM8400_LRI3LO_SHIFT, 1, 0),
446 SOC_DAPM_SINGLE("LOMIX LIN3 Bypass Switch", WM8400_OUTPUT_MIXER1,
447 	WM8400_LLI3LO_SHIFT, 1, 0),
448 SOC_DAPM_SINGLE("LOMIX RIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER1,
449 	WM8400_LR12LO_SHIFT, 1, 0),
450 SOC_DAPM_SINGLE("LOMIX LIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER1,
451 	WM8400_LL12LO_SHIFT, 1, 0),
452 SOC_DAPM_SINGLE("LOMIX Left DAC Switch", WM8400_OUTPUT_MIXER1,
453 	WM8400_LDLO_SHIFT, 1, 0),
454 };
455 
456 /* ROMIX */
457 static const struct snd_kcontrol_new wm8400_dapm_romix_controls[] = {
458 SOC_DAPM_SINGLE("ROMIX Left ADC Bypass Switch", WM8400_OUTPUT_MIXER2,
459 	WM8400_RLBRO_SHIFT, 1, 0),
460 SOC_DAPM_SINGLE("ROMIX Right ADC Bypass Switch", WM8400_OUTPUT_MIXER2,
461 	WM8400_RRBRO_SHIFT, 1, 0),
462 SOC_DAPM_SINGLE("ROMIX LIN3 Bypass Switch", WM8400_OUTPUT_MIXER2,
463 	WM8400_RLI3RO_SHIFT, 1, 0),
464 SOC_DAPM_SINGLE("ROMIX RIN3 Bypass Switch", WM8400_OUTPUT_MIXER2,
465 	WM8400_RRI3RO_SHIFT, 1, 0),
466 SOC_DAPM_SINGLE("ROMIX LIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER2,
467 	WM8400_RL12RO_SHIFT, 1, 0),
468 SOC_DAPM_SINGLE("ROMIX RIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER2,
469 	WM8400_RR12RO_SHIFT, 1, 0),
470 SOC_DAPM_SINGLE("ROMIX Right DAC Switch", WM8400_OUTPUT_MIXER2,
471 	WM8400_RDRO_SHIFT, 1, 0),
472 };
473 
474 /* LONMIX */
475 static const struct snd_kcontrol_new wm8400_dapm_lonmix_controls[] = {
476 SOC_DAPM_SINGLE("LONMIX Left Mixer PGA Switch", WM8400_LINE_MIXER1,
477 	WM8400_LLOPGALON_SHIFT, 1, 0),
478 SOC_DAPM_SINGLE("LONMIX Right Mixer PGA Switch", WM8400_LINE_MIXER1,
479 	WM8400_LROPGALON_SHIFT, 1, 0),
480 SOC_DAPM_SINGLE("LONMIX Inverted LOP Switch", WM8400_LINE_MIXER1,
481 	WM8400_LOPLON_SHIFT, 1, 0),
482 };
483 
484 /* LOPMIX */
485 static const struct snd_kcontrol_new wm8400_dapm_lopmix_controls[] = {
486 SOC_DAPM_SINGLE("LOPMIX Right Mic Bypass Switch", WM8400_LINE_MIXER1,
487 	WM8400_LR12LOP_SHIFT, 1, 0),
488 SOC_DAPM_SINGLE("LOPMIX Left Mic Bypass Switch", WM8400_LINE_MIXER1,
489 	WM8400_LL12LOP_SHIFT, 1, 0),
490 SOC_DAPM_SINGLE("LOPMIX Left Mixer PGA Switch", WM8400_LINE_MIXER1,
491 	WM8400_LLOPGALOP_SHIFT, 1, 0),
492 };
493 
494 /* RONMIX */
495 static const struct snd_kcontrol_new wm8400_dapm_ronmix_controls[] = {
496 SOC_DAPM_SINGLE("RONMIX Right Mixer PGA Switch", WM8400_LINE_MIXER2,
497 	WM8400_RROPGARON_SHIFT, 1, 0),
498 SOC_DAPM_SINGLE("RONMIX Left Mixer PGA Switch", WM8400_LINE_MIXER2,
499 	WM8400_RLOPGARON_SHIFT, 1, 0),
500 SOC_DAPM_SINGLE("RONMIX Inverted ROP Switch", WM8400_LINE_MIXER2,
501 	WM8400_ROPRON_SHIFT, 1, 0),
502 };
503 
504 /* ROPMIX */
505 static const struct snd_kcontrol_new wm8400_dapm_ropmix_controls[] = {
506 SOC_DAPM_SINGLE("ROPMIX Left Mic Bypass Switch", WM8400_LINE_MIXER2,
507 	WM8400_RL12ROP_SHIFT, 1, 0),
508 SOC_DAPM_SINGLE("ROPMIX Right Mic Bypass Switch", WM8400_LINE_MIXER2,
509 	WM8400_RR12ROP_SHIFT, 1, 0),
510 SOC_DAPM_SINGLE("ROPMIX Right Mixer PGA Switch", WM8400_LINE_MIXER2,
511 	WM8400_RROPGAROP_SHIFT, 1, 0),
512 };
513 
514 /* OUT3MIX */
515 static const struct snd_kcontrol_new wm8400_dapm_out3mix_controls[] = {
516 SOC_DAPM_SINGLE("OUT3MIX LIN4/RXP Bypass Switch", WM8400_OUT3_4_MIXER,
517 	WM8400_LI4O3_SHIFT, 1, 0),
518 SOC_DAPM_SINGLE("OUT3MIX Left Out PGA Switch", WM8400_OUT3_4_MIXER,
519 	WM8400_LPGAO3_SHIFT, 1, 0),
520 };
521 
522 /* OUT4MIX */
523 static const struct snd_kcontrol_new wm8400_dapm_out4mix_controls[] = {
524 SOC_DAPM_SINGLE("OUT4MIX Right Out PGA Switch", WM8400_OUT3_4_MIXER,
525 	WM8400_RPGAO4_SHIFT, 1, 0),
526 SOC_DAPM_SINGLE("OUT4MIX RIN4/RXP Bypass Switch", WM8400_OUT3_4_MIXER,
527 	WM8400_RI4O4_SHIFT, 1, 0),
528 };
529 
530 /* SPKMIX */
531 static const struct snd_kcontrol_new wm8400_dapm_spkmix_controls[] = {
532 SOC_DAPM_SINGLE("SPKMIX LIN2 Bypass Switch", WM8400_SPEAKER_MIXER,
533 	WM8400_LI2SPK_SHIFT, 1, 0),
534 SOC_DAPM_SINGLE("SPKMIX LADC Bypass Switch", WM8400_SPEAKER_MIXER,
535 	WM8400_LB2SPK_SHIFT, 1, 0),
536 SOC_DAPM_SINGLE("SPKMIX Left Mixer PGA Switch", WM8400_SPEAKER_MIXER,
537 	WM8400_LOPGASPK_SHIFT, 1, 0),
538 SOC_DAPM_SINGLE("SPKMIX Left DAC Switch", WM8400_SPEAKER_MIXER,
539 	WM8400_LDSPK_SHIFT, 1, 0),
540 SOC_DAPM_SINGLE("SPKMIX Right DAC Switch", WM8400_SPEAKER_MIXER,
541 	WM8400_RDSPK_SHIFT, 1, 0),
542 SOC_DAPM_SINGLE("SPKMIX Right Mixer PGA Switch", WM8400_SPEAKER_MIXER,
543 	WM8400_ROPGASPK_SHIFT, 1, 0),
544 SOC_DAPM_SINGLE("SPKMIX RADC Bypass Switch", WM8400_SPEAKER_MIXER,
545 	WM8400_RL12ROP_SHIFT, 1, 0),
546 SOC_DAPM_SINGLE("SPKMIX RIN2 Bypass Switch", WM8400_SPEAKER_MIXER,
547 	WM8400_RI2SPK_SHIFT, 1, 0),
548 };
549 
550 static const struct snd_soc_dapm_widget wm8400_dapm_widgets[] = {
551 /* Input Side */
552 /* Input Lines */
553 SND_SOC_DAPM_INPUT("LIN1"),
554 SND_SOC_DAPM_INPUT("LIN2"),
555 SND_SOC_DAPM_INPUT("LIN3"),
556 SND_SOC_DAPM_INPUT("LIN4/RXN"),
557 SND_SOC_DAPM_INPUT("RIN3"),
558 SND_SOC_DAPM_INPUT("RIN4/RXP"),
559 SND_SOC_DAPM_INPUT("RIN1"),
560 SND_SOC_DAPM_INPUT("RIN2"),
561 SND_SOC_DAPM_INPUT("Internal ADC Source"),
562 
563 /* DACs */
564 SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8400_POWER_MANAGEMENT_2,
565 	WM8400_ADCL_ENA_SHIFT, 0),
566 SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8400_POWER_MANAGEMENT_2,
567 	WM8400_ADCR_ENA_SHIFT, 0),
568 
569 /* Input PGAs */
570 SND_SOC_DAPM_MIXER("LIN12 PGA", WM8400_POWER_MANAGEMENT_2,
571 		   WM8400_LIN12_ENA_SHIFT,
572 		   0, &wm8400_dapm_lin12_pga_controls[0],
573 		   ARRAY_SIZE(wm8400_dapm_lin12_pga_controls)),
574 SND_SOC_DAPM_MIXER("LIN34 PGA", WM8400_POWER_MANAGEMENT_2,
575 		   WM8400_LIN34_ENA_SHIFT,
576 		   0, &wm8400_dapm_lin34_pga_controls[0],
577 		   ARRAY_SIZE(wm8400_dapm_lin34_pga_controls)),
578 SND_SOC_DAPM_MIXER("RIN12 PGA", WM8400_POWER_MANAGEMENT_2,
579 		   WM8400_RIN12_ENA_SHIFT,
580 		   0, &wm8400_dapm_rin12_pga_controls[0],
581 		   ARRAY_SIZE(wm8400_dapm_rin12_pga_controls)),
582 SND_SOC_DAPM_MIXER("RIN34 PGA", WM8400_POWER_MANAGEMENT_2,
583 		   WM8400_RIN34_ENA_SHIFT,
584 		   0, &wm8400_dapm_rin34_pga_controls[0],
585 		   ARRAY_SIZE(wm8400_dapm_rin34_pga_controls)),
586 
587 SND_SOC_DAPM_SUPPLY("INL", WM8400_POWER_MANAGEMENT_2, WM8400_AINL_ENA_SHIFT,
588 		    0, NULL, 0),
589 SND_SOC_DAPM_SUPPLY("INR", WM8400_POWER_MANAGEMENT_2, WM8400_AINR_ENA_SHIFT,
590 		    0, NULL, 0),
591 
592 /* INMIXL */
593 SND_SOC_DAPM_MIXER("INMIXL", SND_SOC_NOPM, 0, 0,
594 	&wm8400_dapm_inmixl_controls[0],
595 	ARRAY_SIZE(wm8400_dapm_inmixl_controls)),
596 
597 /* AINLMUX */
598 SND_SOC_DAPM_MUX("AILNMUX", SND_SOC_NOPM, 0, 0, &wm8400_dapm_ainlmux_controls),
599 
600 /* INMIXR */
601 SND_SOC_DAPM_MIXER("INMIXR", SND_SOC_NOPM, 0, 0,
602 	&wm8400_dapm_inmixr_controls[0],
603 	ARRAY_SIZE(wm8400_dapm_inmixr_controls)),
604 
605 /* AINRMUX */
606 SND_SOC_DAPM_MUX("AIRNMUX", SND_SOC_NOPM, 0, 0, &wm8400_dapm_ainrmux_controls),
607 
608 /* Output Side */
609 /* DACs */
610 SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8400_POWER_MANAGEMENT_3,
611 	WM8400_DACL_ENA_SHIFT, 0),
612 SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8400_POWER_MANAGEMENT_3,
613 	WM8400_DACR_ENA_SHIFT, 0),
614 
615 /* LOMIX */
616 SND_SOC_DAPM_MIXER_E("LOMIX", WM8400_POWER_MANAGEMENT_3,
617 		     WM8400_LOMIX_ENA_SHIFT,
618 		     0, &wm8400_dapm_lomix_controls[0],
619 		     ARRAY_SIZE(wm8400_dapm_lomix_controls),
620 		     outmixer_event, SND_SOC_DAPM_PRE_REG),
621 
622 /* LONMIX */
623 SND_SOC_DAPM_MIXER("LONMIX", WM8400_POWER_MANAGEMENT_3, WM8400_LON_ENA_SHIFT,
624 		   0, &wm8400_dapm_lonmix_controls[0],
625 		   ARRAY_SIZE(wm8400_dapm_lonmix_controls)),
626 
627 /* LOPMIX */
628 SND_SOC_DAPM_MIXER("LOPMIX", WM8400_POWER_MANAGEMENT_3, WM8400_LOP_ENA_SHIFT,
629 		   0, &wm8400_dapm_lopmix_controls[0],
630 		   ARRAY_SIZE(wm8400_dapm_lopmix_controls)),
631 
632 /* OUT3MIX */
633 SND_SOC_DAPM_MIXER("OUT3MIX", WM8400_POWER_MANAGEMENT_1, WM8400_OUT3_ENA_SHIFT,
634 		   0, &wm8400_dapm_out3mix_controls[0],
635 		   ARRAY_SIZE(wm8400_dapm_out3mix_controls)),
636 
637 /* SPKMIX */
638 SND_SOC_DAPM_MIXER_E("SPKMIX", WM8400_POWER_MANAGEMENT_1, WM8400_SPK_ENA_SHIFT,
639 		     0, &wm8400_dapm_spkmix_controls[0],
640 		     ARRAY_SIZE(wm8400_dapm_spkmix_controls), outmixer_event,
641 		     SND_SOC_DAPM_PRE_REG),
642 
643 /* OUT4MIX */
644 SND_SOC_DAPM_MIXER("OUT4MIX", WM8400_POWER_MANAGEMENT_1, WM8400_OUT4_ENA_SHIFT,
645 	0, &wm8400_dapm_out4mix_controls[0],
646 	ARRAY_SIZE(wm8400_dapm_out4mix_controls)),
647 
648 /* ROPMIX */
649 SND_SOC_DAPM_MIXER("ROPMIX", WM8400_POWER_MANAGEMENT_3, WM8400_ROP_ENA_SHIFT,
650 		   0, &wm8400_dapm_ropmix_controls[0],
651 		   ARRAY_SIZE(wm8400_dapm_ropmix_controls)),
652 
653 /* RONMIX */
654 SND_SOC_DAPM_MIXER("RONMIX", WM8400_POWER_MANAGEMENT_3, WM8400_RON_ENA_SHIFT,
655 		   0, &wm8400_dapm_ronmix_controls[0],
656 		   ARRAY_SIZE(wm8400_dapm_ronmix_controls)),
657 
658 /* ROMIX */
659 SND_SOC_DAPM_MIXER_E("ROMIX", WM8400_POWER_MANAGEMENT_3,
660 		     WM8400_ROMIX_ENA_SHIFT,
661 		     0, &wm8400_dapm_romix_controls[0],
662 		     ARRAY_SIZE(wm8400_dapm_romix_controls),
663 		     outmixer_event, SND_SOC_DAPM_PRE_REG),
664 
665 /* LOUT PGA */
666 SND_SOC_DAPM_PGA("LOUT PGA", WM8400_POWER_MANAGEMENT_1, WM8400_LOUT_ENA_SHIFT,
667 		 0, NULL, 0),
668 
669 /* ROUT PGA */
670 SND_SOC_DAPM_PGA("ROUT PGA", WM8400_POWER_MANAGEMENT_1, WM8400_ROUT_ENA_SHIFT,
671 		 0, NULL, 0),
672 
673 /* LOPGA */
674 SND_SOC_DAPM_PGA("LOPGA", WM8400_POWER_MANAGEMENT_3, WM8400_LOPGA_ENA_SHIFT, 0,
675 	NULL, 0),
676 
677 /* ROPGA */
678 SND_SOC_DAPM_PGA("ROPGA", WM8400_POWER_MANAGEMENT_3, WM8400_ROPGA_ENA_SHIFT, 0,
679 	NULL, 0),
680 
681 /* MICBIAS */
682 SND_SOC_DAPM_SUPPLY("MICBIAS", WM8400_POWER_MANAGEMENT_1,
683 		    WM8400_MIC1BIAS_ENA_SHIFT, 0, NULL, 0),
684 
685 SND_SOC_DAPM_OUTPUT("LON"),
686 SND_SOC_DAPM_OUTPUT("LOP"),
687 SND_SOC_DAPM_OUTPUT("OUT3"),
688 SND_SOC_DAPM_OUTPUT("LOUT"),
689 SND_SOC_DAPM_OUTPUT("SPKN"),
690 SND_SOC_DAPM_OUTPUT("SPKP"),
691 SND_SOC_DAPM_OUTPUT("ROUT"),
692 SND_SOC_DAPM_OUTPUT("OUT4"),
693 SND_SOC_DAPM_OUTPUT("ROP"),
694 SND_SOC_DAPM_OUTPUT("RON"),
695 
696 SND_SOC_DAPM_OUTPUT("Internal DAC Sink"),
697 };
698 
699 static const struct snd_soc_dapm_route wm8400_dapm_routes[] = {
700 	/* Make DACs turn on when playing even if not mixed into any outputs */
701 	{"Internal DAC Sink", NULL, "Left DAC"},
702 	{"Internal DAC Sink", NULL, "Right DAC"},
703 
704 	/* Make ADCs turn on when recording
705 	 * even if not mixed from any inputs */
706 	{"Left ADC", NULL, "Internal ADC Source"},
707 	{"Right ADC", NULL, "Internal ADC Source"},
708 
709 	/* Input Side */
710 	/* LIN12 PGA */
711 	{"LIN12 PGA", "LIN1 Switch", "LIN1"},
712 	{"LIN12 PGA", "LIN2 Switch", "LIN2"},
713 	/* LIN34 PGA */
714 	{"LIN34 PGA", "LIN3 Switch", "LIN3"},
715 	{"LIN34 PGA", "LIN4 Switch", "LIN4/RXN"},
716 	/* INMIXL */
717 	{"INMIXL", NULL, "INL"},
718 	{"INMIXL", "Record Left Volume", "LOMIX"},
719 	{"INMIXL", "LIN2 Volume", "LIN2"},
720 	{"INMIXL", "LINPGA12 Switch", "LIN12 PGA"},
721 	{"INMIXL", "LINPGA34 Switch", "LIN34 PGA"},
722 	/* AILNMUX */
723 	{"AILNMUX", NULL, "INL"},
724 	{"AILNMUX", "INMIXL Mix", "INMIXL"},
725 	{"AILNMUX", "DIFFINL Mix", "LIN12 PGA"},
726 	{"AILNMUX", "DIFFINL Mix", "LIN34 PGA"},
727 	{"AILNMUX", "RXVOICE Mix", "LIN4/RXN"},
728 	{"AILNMUX", "RXVOICE Mix", "RIN4/RXP"},
729 	/* ADC */
730 	{"Left ADC", NULL, "AILNMUX"},
731 
732 	/* RIN12 PGA */
733 	{"RIN12 PGA", "RIN1 Switch", "RIN1"},
734 	{"RIN12 PGA", "RIN2 Switch", "RIN2"},
735 	/* RIN34 PGA */
736 	{"RIN34 PGA", "RIN3 Switch", "RIN3"},
737 	{"RIN34 PGA", "RIN4 Switch", "RIN4/RXP"},
738 	/* INMIXR */
739 	{"INMIXR", NULL, "INR"},
740 	{"INMIXR", "Record Right Volume", "ROMIX"},
741 	{"INMIXR", "RIN2 Volume", "RIN2"},
742 	{"INMIXR", "RINPGA12 Switch", "RIN12 PGA"},
743 	{"INMIXR", "RINPGA34 Switch", "RIN34 PGA"},
744 	/* AIRNMUX */
745 	{"AIRNMUX", NULL, "INR"},
746 	{"AIRNMUX", "INMIXR Mix", "INMIXR"},
747 	{"AIRNMUX", "DIFFINR Mix", "RIN12 PGA"},
748 	{"AIRNMUX", "DIFFINR Mix", "RIN34 PGA"},
749 	{"AIRNMUX", "RXVOICE Mix", "LIN4/RXN"},
750 	{"AIRNMUX", "RXVOICE Mix", "RIN4/RXP"},
751 	/* ADC */
752 	{"Right ADC", NULL, "AIRNMUX"},
753 
754 	/* LOMIX */
755 	{"LOMIX", "LOMIX RIN3 Bypass Switch", "RIN3"},
756 	{"LOMIX", "LOMIX LIN3 Bypass Switch", "LIN3"},
757 	{"LOMIX", "LOMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
758 	{"LOMIX", "LOMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
759 	{"LOMIX", "LOMIX Right ADC Bypass Switch", "AIRNMUX"},
760 	{"LOMIX", "LOMIX Left ADC Bypass Switch", "AILNMUX"},
761 	{"LOMIX", "LOMIX Left DAC Switch", "Left DAC"},
762 
763 	/* ROMIX */
764 	{"ROMIX", "ROMIX RIN3 Bypass Switch", "RIN3"},
765 	{"ROMIX", "ROMIX LIN3 Bypass Switch", "LIN3"},
766 	{"ROMIX", "ROMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
767 	{"ROMIX", "ROMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
768 	{"ROMIX", "ROMIX Right ADC Bypass Switch", "AIRNMUX"},
769 	{"ROMIX", "ROMIX Left ADC Bypass Switch", "AILNMUX"},
770 	{"ROMIX", "ROMIX Right DAC Switch", "Right DAC"},
771 
772 	/* SPKMIX */
773 	{"SPKMIX", "SPKMIX LIN2 Bypass Switch", "LIN2"},
774 	{"SPKMIX", "SPKMIX RIN2 Bypass Switch", "RIN2"},
775 	{"SPKMIX", "SPKMIX LADC Bypass Switch", "AILNMUX"},
776 	{"SPKMIX", "SPKMIX RADC Bypass Switch", "AIRNMUX"},
777 	{"SPKMIX", "SPKMIX Left Mixer PGA Switch", "LOPGA"},
778 	{"SPKMIX", "SPKMIX Right Mixer PGA Switch", "ROPGA"},
779 	{"SPKMIX", "SPKMIX Right DAC Switch", "Right DAC"},
780 	{"SPKMIX", "SPKMIX Left DAC Switch", "Right DAC"},
781 
782 	/* LONMIX */
783 	{"LONMIX", "LONMIX Left Mixer PGA Switch", "LOPGA"},
784 	{"LONMIX", "LONMIX Right Mixer PGA Switch", "ROPGA"},
785 	{"LONMIX", "LONMIX Inverted LOP Switch", "LOPMIX"},
786 
787 	/* LOPMIX */
788 	{"LOPMIX", "LOPMIX Right Mic Bypass Switch", "RIN12 PGA"},
789 	{"LOPMIX", "LOPMIX Left Mic Bypass Switch", "LIN12 PGA"},
790 	{"LOPMIX", "LOPMIX Left Mixer PGA Switch", "LOPGA"},
791 
792 	/* OUT3MIX */
793 	{"OUT3MIX", "OUT3MIX LIN4/RXP Bypass Switch", "LIN4/RXN"},
794 	{"OUT3MIX", "OUT3MIX Left Out PGA Switch", "LOPGA"},
795 
796 	/* OUT4MIX */
797 	{"OUT4MIX", "OUT4MIX Right Out PGA Switch", "ROPGA"},
798 	{"OUT4MIX", "OUT4MIX RIN4/RXP Bypass Switch", "RIN4/RXP"},
799 
800 	/* RONMIX */
801 	{"RONMIX", "RONMIX Right Mixer PGA Switch", "ROPGA"},
802 	{"RONMIX", "RONMIX Left Mixer PGA Switch", "LOPGA"},
803 	{"RONMIX", "RONMIX Inverted ROP Switch", "ROPMIX"},
804 
805 	/* ROPMIX */
806 	{"ROPMIX", "ROPMIX Left Mic Bypass Switch", "LIN12 PGA"},
807 	{"ROPMIX", "ROPMIX Right Mic Bypass Switch", "RIN12 PGA"},
808 	{"ROPMIX", "ROPMIX Right Mixer PGA Switch", "ROPGA"},
809 
810 	/* Out Mixer PGAs */
811 	{"LOPGA", NULL, "LOMIX"},
812 	{"ROPGA", NULL, "ROMIX"},
813 
814 	{"LOUT PGA", NULL, "LOMIX"},
815 	{"ROUT PGA", NULL, "ROMIX"},
816 
817 	/* Output Pins */
818 	{"LON", NULL, "LONMIX"},
819 	{"LOP", NULL, "LOPMIX"},
820 	{"OUT3", NULL, "OUT3MIX"},
821 	{"LOUT", NULL, "LOUT PGA"},
822 	{"SPKN", NULL, "SPKMIX"},
823 	{"ROUT", NULL, "ROUT PGA"},
824 	{"OUT4", NULL, "OUT4MIX"},
825 	{"ROP", NULL, "ROPMIX"},
826 	{"RON", NULL, "RONMIX"},
827 };
828 
829 /*
830  * Clock after FLL and dividers
831  */
832 static int wm8400_set_dai_sysclk(struct snd_soc_dai *codec_dai,
833 		int clk_id, unsigned int freq, int dir)
834 {
835 	struct snd_soc_component *component = codec_dai->component;
836 	struct wm8400_priv *wm8400 = snd_soc_component_get_drvdata(component);
837 
838 	wm8400->sysclk = freq;
839 	return 0;
840 }
841 
842 struct fll_factors {
843 	u16 n;
844 	u16 k;
845 	u16 outdiv;
846 	u16 fratio;
847 	u16 freq_ref;
848 };
849 
850 #define FIXED_FLL_SIZE ((1 << 16) * 10)
851 
852 static int fll_factors(struct wm8400_priv *wm8400, struct fll_factors *factors,
853 		       unsigned int Fref, unsigned int Fout)
854 {
855 	u64 Kpart;
856 	unsigned int K, Nmod, target;
857 
858 	factors->outdiv = 2;
859 	while (Fout * factors->outdiv <  90000000 ||
860 	       Fout * factors->outdiv > 100000000) {
861 		factors->outdiv *= 2;
862 		if (factors->outdiv > 32) {
863 			dev_err(wm8400->wm8400->dev,
864 				"Unsupported FLL output frequency %uHz\n",
865 				Fout);
866 			return -EINVAL;
867 		}
868 	}
869 	target = Fout * factors->outdiv;
870 	factors->outdiv = factors->outdiv >> 2;
871 
872 	if (Fref < 48000)
873 		factors->freq_ref = 1;
874 	else
875 		factors->freq_ref = 0;
876 
877 	if (Fref < 1000000)
878 		factors->fratio = 9;
879 	else
880 		factors->fratio = 0;
881 
882 	/* Ensure we have a fractional part */
883 	do {
884 		if (Fref < 1000000)
885 			factors->fratio--;
886 		else
887 			factors->fratio++;
888 
889 		if (factors->fratio < 1 || factors->fratio > 8) {
890 			dev_err(wm8400->wm8400->dev,
891 				"Unable to calculate FRATIO\n");
892 			return -EINVAL;
893 		}
894 
895 		factors->n = target / (Fref * factors->fratio);
896 		Nmod = target % (Fref * factors->fratio);
897 	} while (Nmod == 0);
898 
899 	/* Calculate fractional part - scale up so we can round. */
900 	Kpart = FIXED_FLL_SIZE * (long long)Nmod;
901 
902 	do_div(Kpart, (Fref * factors->fratio));
903 
904 	K = Kpart & 0xFFFFFFFF;
905 
906 	if ((K % 10) >= 5)
907 		K += 5;
908 
909 	/* Move down to proper range now rounding is done */
910 	factors->k = K / 10;
911 
912 	dev_dbg(wm8400->wm8400->dev,
913 		"FLL: Fref=%u Fout=%u N=%x K=%x, FRATIO=%x OUTDIV=%x\n",
914 		Fref, Fout,
915 		factors->n, factors->k, factors->fratio, factors->outdiv);
916 
917 	return 0;
918 }
919 
920 static int wm8400_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
921 			      int source, unsigned int freq_in,
922 			      unsigned int freq_out)
923 {
924 	struct snd_soc_component *component = codec_dai->component;
925 	struct wm8400_priv *wm8400 = snd_soc_component_get_drvdata(component);
926 	struct fll_factors factors;
927 	int ret;
928 	u16 reg;
929 
930 	if (freq_in == wm8400->fll_in && freq_out == wm8400->fll_out)
931 		return 0;
932 
933 	if (freq_out) {
934 		ret = fll_factors(wm8400, &factors, freq_in, freq_out);
935 		if (ret != 0)
936 			return ret;
937 	} else {
938 		/* Bodge GCC 4.4.0 uninitialised variable warning - it
939 		 * doesn't seem capable of working out that we exit if
940 		 * freq_out is 0 before any of the uses. */
941 		memset(&factors, 0, sizeof(factors));
942 	}
943 
944 	wm8400->fll_out = freq_out;
945 	wm8400->fll_in = freq_in;
946 
947 	/* We *must* disable the FLL before any changes */
948 	reg = snd_soc_component_read(component, WM8400_POWER_MANAGEMENT_2);
949 	reg &= ~WM8400_FLL_ENA;
950 	snd_soc_component_write(component, WM8400_POWER_MANAGEMENT_2, reg);
951 
952 	reg = snd_soc_component_read(component, WM8400_FLL_CONTROL_1);
953 	reg &= ~WM8400_FLL_OSC_ENA;
954 	snd_soc_component_write(component, WM8400_FLL_CONTROL_1, reg);
955 
956 	if (!freq_out)
957 		return 0;
958 
959 	reg &= ~(WM8400_FLL_REF_FREQ | WM8400_FLL_FRATIO_MASK);
960 	reg |= WM8400_FLL_FRAC | factors.fratio;
961 	reg |= factors.freq_ref << WM8400_FLL_REF_FREQ_SHIFT;
962 	snd_soc_component_write(component, WM8400_FLL_CONTROL_1, reg);
963 
964 	snd_soc_component_write(component, WM8400_FLL_CONTROL_2, factors.k);
965 	snd_soc_component_write(component, WM8400_FLL_CONTROL_3, factors.n);
966 
967 	reg = snd_soc_component_read(component, WM8400_FLL_CONTROL_4);
968 	reg &= ~WM8400_FLL_OUTDIV_MASK;
969 	reg |= factors.outdiv;
970 	snd_soc_component_write(component, WM8400_FLL_CONTROL_4, reg);
971 
972 	return 0;
973 }
974 
975 /*
976  * Sets ADC and Voice DAC format.
977  */
978 static int wm8400_set_dai_fmt(struct snd_soc_dai *codec_dai,
979 		unsigned int fmt)
980 {
981 	struct snd_soc_component *component = codec_dai->component;
982 	u16 audio1, audio3;
983 
984 	audio1 = snd_soc_component_read(component, WM8400_AUDIO_INTERFACE_1);
985 	audio3 = snd_soc_component_read(component, WM8400_AUDIO_INTERFACE_3);
986 
987 	/* set master/slave audio interface */
988 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
989 	case SND_SOC_DAIFMT_CBS_CFS:
990 		audio3 &= ~WM8400_AIF_MSTR1;
991 		break;
992 	case SND_SOC_DAIFMT_CBM_CFM:
993 		audio3 |= WM8400_AIF_MSTR1;
994 		break;
995 	default:
996 		return -EINVAL;
997 	}
998 
999 	audio1 &= ~WM8400_AIF_FMT_MASK;
1000 
1001 	/* interface format */
1002 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1003 	case SND_SOC_DAIFMT_I2S:
1004 		audio1 |= WM8400_AIF_FMT_I2S;
1005 		audio1 &= ~WM8400_AIF_LRCLK_INV;
1006 		break;
1007 	case SND_SOC_DAIFMT_RIGHT_J:
1008 		audio1 |= WM8400_AIF_FMT_RIGHTJ;
1009 		audio1 &= ~WM8400_AIF_LRCLK_INV;
1010 		break;
1011 	case SND_SOC_DAIFMT_LEFT_J:
1012 		audio1 |= WM8400_AIF_FMT_LEFTJ;
1013 		audio1 &= ~WM8400_AIF_LRCLK_INV;
1014 		break;
1015 	case SND_SOC_DAIFMT_DSP_A:
1016 		audio1 |= WM8400_AIF_FMT_DSP;
1017 		audio1 &= ~WM8400_AIF_LRCLK_INV;
1018 		break;
1019 	case SND_SOC_DAIFMT_DSP_B:
1020 		audio1 |= WM8400_AIF_FMT_DSP | WM8400_AIF_LRCLK_INV;
1021 		break;
1022 	default:
1023 		return -EINVAL;
1024 	}
1025 
1026 	snd_soc_component_write(component, WM8400_AUDIO_INTERFACE_1, audio1);
1027 	snd_soc_component_write(component, WM8400_AUDIO_INTERFACE_3, audio3);
1028 	return 0;
1029 }
1030 
1031 static int wm8400_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
1032 		int div_id, int div)
1033 {
1034 	struct snd_soc_component *component = codec_dai->component;
1035 	u16 reg;
1036 
1037 	switch (div_id) {
1038 	case WM8400_MCLK_DIV:
1039 		reg = snd_soc_component_read(component, WM8400_CLOCKING_2) &
1040 			~WM8400_MCLK_DIV_MASK;
1041 		snd_soc_component_write(component, WM8400_CLOCKING_2, reg | div);
1042 		break;
1043 	case WM8400_DACCLK_DIV:
1044 		reg = snd_soc_component_read(component, WM8400_CLOCKING_2) &
1045 			~WM8400_DAC_CLKDIV_MASK;
1046 		snd_soc_component_write(component, WM8400_CLOCKING_2, reg | div);
1047 		break;
1048 	case WM8400_ADCCLK_DIV:
1049 		reg = snd_soc_component_read(component, WM8400_CLOCKING_2) &
1050 			~WM8400_ADC_CLKDIV_MASK;
1051 		snd_soc_component_write(component, WM8400_CLOCKING_2, reg | div);
1052 		break;
1053 	case WM8400_BCLK_DIV:
1054 		reg = snd_soc_component_read(component, WM8400_CLOCKING_1) &
1055 			~WM8400_BCLK_DIV_MASK;
1056 		snd_soc_component_write(component, WM8400_CLOCKING_1, reg | div);
1057 		break;
1058 	default:
1059 		return -EINVAL;
1060 	}
1061 
1062 	return 0;
1063 }
1064 
1065 /*
1066  * Set PCM DAI bit size and sample rate.
1067  */
1068 static int wm8400_hw_params(struct snd_pcm_substream *substream,
1069 	struct snd_pcm_hw_params *params,
1070 	struct snd_soc_dai *dai)
1071 {
1072 	struct snd_soc_component *component = dai->component;
1073 	u16 audio1 = snd_soc_component_read(component, WM8400_AUDIO_INTERFACE_1);
1074 
1075 	audio1 &= ~WM8400_AIF_WL_MASK;
1076 	/* bit size */
1077 	switch (params_width(params)) {
1078 	case 16:
1079 		break;
1080 	case 20:
1081 		audio1 |= WM8400_AIF_WL_20BITS;
1082 		break;
1083 	case 24:
1084 		audio1 |= WM8400_AIF_WL_24BITS;
1085 		break;
1086 	case 32:
1087 		audio1 |= WM8400_AIF_WL_32BITS;
1088 		break;
1089 	}
1090 
1091 	snd_soc_component_write(component, WM8400_AUDIO_INTERFACE_1, audio1);
1092 	return 0;
1093 }
1094 
1095 static int wm8400_mute(struct snd_soc_dai *dai, int mute, int direction)
1096 {
1097 	struct snd_soc_component *component = dai->component;
1098 	u16 val = snd_soc_component_read(component, WM8400_DAC_CTRL) & ~WM8400_DAC_MUTE;
1099 
1100 	if (mute)
1101 		snd_soc_component_write(component, WM8400_DAC_CTRL, val | WM8400_DAC_MUTE);
1102 	else
1103 		snd_soc_component_write(component, WM8400_DAC_CTRL, val);
1104 
1105 	return 0;
1106 }
1107 
1108 /* TODO: set bias for best performance at standby */
1109 static int wm8400_set_bias_level(struct snd_soc_component *component,
1110 				 enum snd_soc_bias_level level)
1111 {
1112 	struct wm8400_priv *wm8400 = snd_soc_component_get_drvdata(component);
1113 	u16 val;
1114 	int ret;
1115 
1116 	switch (level) {
1117 	case SND_SOC_BIAS_ON:
1118 		break;
1119 
1120 	case SND_SOC_BIAS_PREPARE:
1121 		/* VMID=2*50k */
1122 		val = snd_soc_component_read(component, WM8400_POWER_MANAGEMENT_1) &
1123 			~WM8400_VMID_MODE_MASK;
1124 		snd_soc_component_write(component, WM8400_POWER_MANAGEMENT_1, val | 0x2);
1125 		break;
1126 
1127 	case SND_SOC_BIAS_STANDBY:
1128 		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
1129 			ret = regulator_bulk_enable(ARRAY_SIZE(power),
1130 						    &power[0]);
1131 			if (ret != 0) {
1132 				dev_err(wm8400->wm8400->dev,
1133 					"Failed to enable regulators: %d\n",
1134 					ret);
1135 				return ret;
1136 			}
1137 
1138 			snd_soc_component_write(component, WM8400_POWER_MANAGEMENT_1,
1139 				     WM8400_CODEC_ENA | WM8400_SYSCLK_ENA);
1140 
1141 			/* Enable POBCTRL, SOFT_ST, VMIDTOG and BUFDCOPEN */
1142 			snd_soc_component_write(component, WM8400_ANTIPOP2, WM8400_SOFTST |
1143 				     WM8400_BUFDCOPEN | WM8400_POBCTRL);
1144 
1145 			msleep(50);
1146 
1147 			/* Enable VREF & VMID at 2x50k */
1148 			val = snd_soc_component_read(component, WM8400_POWER_MANAGEMENT_1);
1149 			val |= 0x2 | WM8400_VREF_ENA;
1150 			snd_soc_component_write(component, WM8400_POWER_MANAGEMENT_1, val);
1151 
1152 			/* Enable BUFIOEN */
1153 			snd_soc_component_write(component, WM8400_ANTIPOP2, WM8400_SOFTST |
1154 				     WM8400_BUFDCOPEN | WM8400_POBCTRL |
1155 				     WM8400_BUFIOEN);
1156 
1157 			/* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1158 			snd_soc_component_write(component, WM8400_ANTIPOP2, WM8400_BUFIOEN);
1159 		}
1160 
1161 		/* VMID=2*300k */
1162 		val = snd_soc_component_read(component, WM8400_POWER_MANAGEMENT_1) &
1163 			~WM8400_VMID_MODE_MASK;
1164 		snd_soc_component_write(component, WM8400_POWER_MANAGEMENT_1, val | 0x4);
1165 		break;
1166 
1167 	case SND_SOC_BIAS_OFF:
1168 		/* Enable POBCTRL and SOFT_ST */
1169 		snd_soc_component_write(component, WM8400_ANTIPOP2, WM8400_SOFTST |
1170 			WM8400_POBCTRL | WM8400_BUFIOEN);
1171 
1172 		/* Enable POBCTRL, SOFT_ST and BUFDCOPEN */
1173 		snd_soc_component_write(component, WM8400_ANTIPOP2, WM8400_SOFTST |
1174 			WM8400_BUFDCOPEN | WM8400_POBCTRL |
1175 			WM8400_BUFIOEN);
1176 
1177 		/* mute DAC */
1178 		val = snd_soc_component_read(component, WM8400_DAC_CTRL);
1179 		snd_soc_component_write(component, WM8400_DAC_CTRL, val | WM8400_DAC_MUTE);
1180 
1181 		/* Enable any disabled outputs */
1182 		val = snd_soc_component_read(component, WM8400_POWER_MANAGEMENT_1);
1183 		val |= WM8400_SPK_ENA | WM8400_OUT3_ENA |
1184 			WM8400_OUT4_ENA | WM8400_LOUT_ENA |
1185 			WM8400_ROUT_ENA;
1186 		snd_soc_component_write(component, WM8400_POWER_MANAGEMENT_1, val);
1187 
1188 		/* Disable VMID */
1189 		val &= ~WM8400_VMID_MODE_MASK;
1190 		snd_soc_component_write(component, WM8400_POWER_MANAGEMENT_1, val);
1191 
1192 		msleep(300);
1193 
1194 		/* Enable all output discharge bits */
1195 		snd_soc_component_write(component, WM8400_ANTIPOP1, WM8400_DIS_LLINE |
1196 			WM8400_DIS_RLINE | WM8400_DIS_OUT3 |
1197 			WM8400_DIS_OUT4 | WM8400_DIS_LOUT |
1198 			WM8400_DIS_ROUT);
1199 
1200 		/* Disable VREF */
1201 		val &= ~WM8400_VREF_ENA;
1202 		snd_soc_component_write(component, WM8400_POWER_MANAGEMENT_1, val);
1203 
1204 		/* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1205 		snd_soc_component_write(component, WM8400_ANTIPOP2, 0x0);
1206 
1207 		ret = regulator_bulk_disable(ARRAY_SIZE(power),
1208 					     &power[0]);
1209 		if (ret != 0)
1210 			return ret;
1211 
1212 		break;
1213 	}
1214 
1215 	return 0;
1216 }
1217 
1218 #define WM8400_RATES SNDRV_PCM_RATE_8000_96000
1219 
1220 #define WM8400_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1221 	SNDRV_PCM_FMTBIT_S24_LE)
1222 
1223 static const struct snd_soc_dai_ops wm8400_dai_ops = {
1224 	.hw_params = wm8400_hw_params,
1225 	.mute_stream = wm8400_mute,
1226 	.set_fmt = wm8400_set_dai_fmt,
1227 	.set_clkdiv = wm8400_set_dai_clkdiv,
1228 	.set_sysclk = wm8400_set_dai_sysclk,
1229 	.set_pll = wm8400_set_dai_pll,
1230 	.no_capture_mute = 1,
1231 };
1232 
1233 /*
1234  * The WM8400 supports 2 different and mutually exclusive DAI
1235  * configurations.
1236  *
1237  * 1. ADC/DAC on Primary Interface
1238  * 2. ADC on Primary Interface/DAC on secondary
1239  */
1240 static struct snd_soc_dai_driver wm8400_dai = {
1241 /* ADC/DAC on primary */
1242 	.name = "wm8400-hifi",
1243 	.playback = {
1244 		.stream_name = "Playback",
1245 		.channels_min = 1,
1246 		.channels_max = 2,
1247 		.rates = WM8400_RATES,
1248 		.formats = WM8400_FORMATS,
1249 	},
1250 	.capture = {
1251 		.stream_name = "Capture",
1252 		.channels_min = 1,
1253 		.channels_max = 2,
1254 		.rates = WM8400_RATES,
1255 		.formats = WM8400_FORMATS,
1256 	},
1257 	.ops = &wm8400_dai_ops,
1258 };
1259 
1260 static int wm8400_component_probe(struct snd_soc_component *component)
1261 {
1262 	struct wm8400 *wm8400 = dev_get_platdata(component->dev);
1263 	struct wm8400_priv *priv;
1264 	int ret;
1265 	u16 reg;
1266 
1267 	priv = devm_kzalloc(component->dev, sizeof(struct wm8400_priv),
1268 			    GFP_KERNEL);
1269 	if (priv == NULL)
1270 		return -ENOMEM;
1271 
1272 	snd_soc_component_init_regmap(component, wm8400->regmap);
1273 	snd_soc_component_set_drvdata(component, priv);
1274 	priv->wm8400 = wm8400;
1275 
1276 	ret = devm_regulator_bulk_get(wm8400->dev,
1277 				 ARRAY_SIZE(power), &power[0]);
1278 	if (ret != 0) {
1279 		dev_err(component->dev, "Failed to get regulators: %d\n", ret);
1280 		return ret;
1281 	}
1282 
1283 	wm8400_component_reset(component);
1284 
1285 	reg = snd_soc_component_read(component, WM8400_POWER_MANAGEMENT_1);
1286 	snd_soc_component_write(component, WM8400_POWER_MANAGEMENT_1, reg | WM8400_CODEC_ENA);
1287 
1288 	/* Latch volume update bits */
1289 	reg = snd_soc_component_read(component, WM8400_LEFT_LINE_INPUT_1_2_VOLUME);
1290 	snd_soc_component_write(component, WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
1291 		     reg & WM8400_IPVU);
1292 	reg = snd_soc_component_read(component, WM8400_RIGHT_LINE_INPUT_1_2_VOLUME);
1293 	snd_soc_component_write(component, WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
1294 		     reg & WM8400_IPVU);
1295 
1296 	snd_soc_component_write(component, WM8400_LEFT_OUTPUT_VOLUME, 0x50 | (1<<8));
1297 	snd_soc_component_write(component, WM8400_RIGHT_OUTPUT_VOLUME, 0x50 | (1<<8));
1298 
1299 	return 0;
1300 }
1301 
1302 static void  wm8400_component_remove(struct snd_soc_component *component)
1303 {
1304 	u16 reg;
1305 
1306 	reg = snd_soc_component_read(component, WM8400_POWER_MANAGEMENT_1);
1307 	snd_soc_component_write(component, WM8400_POWER_MANAGEMENT_1,
1308 		     reg & (~WM8400_CODEC_ENA));
1309 }
1310 
1311 static const struct snd_soc_component_driver soc_component_dev_wm8400 = {
1312 	.probe			= wm8400_component_probe,
1313 	.remove			= wm8400_component_remove,
1314 	.set_bias_level		= wm8400_set_bias_level,
1315 	.controls		= wm8400_snd_controls,
1316 	.num_controls		= ARRAY_SIZE(wm8400_snd_controls),
1317 	.dapm_widgets		= wm8400_dapm_widgets,
1318 	.num_dapm_widgets	= ARRAY_SIZE(wm8400_dapm_widgets),
1319 	.dapm_routes		= wm8400_dapm_routes,
1320 	.num_dapm_routes	= ARRAY_SIZE(wm8400_dapm_routes),
1321 	.suspend_bias_off	= 1,
1322 	.idle_bias_on		= 1,
1323 	.use_pmdown_time	= 1,
1324 	.endianness		= 1,
1325 };
1326 
1327 static int wm8400_probe(struct platform_device *pdev)
1328 {
1329 	return devm_snd_soc_register_component(&pdev->dev,
1330 			&soc_component_dev_wm8400,
1331 			&wm8400_dai, 1);
1332 }
1333 
1334 static struct platform_driver wm8400_codec_driver = {
1335 	.driver = {
1336 		   .name = "wm8400-codec",
1337 		   },
1338 	.probe = wm8400_probe,
1339 };
1340 
1341 module_platform_driver(wm8400_codec_driver);
1342 
1343 MODULE_DESCRIPTION("ASoC WM8400 driver");
1344 MODULE_AUTHOR("Mark Brown");
1345 MODULE_LICENSE("GPL");
1346 MODULE_ALIAS("platform:wm8400-codec");
1347