xref: /linux/sound/soc/codecs/cs42l73.c (revision 0d456bad36d42d16022be045c8a53ddbb59ee478)
1 /*
2  * cs42l73.c  --  CS42L73 ALSA Soc Audio driver
3  *
4  * Copyright 2011 Cirrus Logic, Inc.
5  *
6  * Authors: Georgi Vlaev, Nucleus Systems Ltd, <joe@nucleusys.com>
7  *	    Brian Austin, Cirrus Logic Inc, <brian.austin@cirrus.com>
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License version 2 as
11  * published by the Free Software Foundation.
12  *
13  */
14 
15 #include <linux/module.h>
16 #include <linux/moduleparam.h>
17 #include <linux/kernel.h>
18 #include <linux/init.h>
19 #include <linux/delay.h>
20 #include <linux/pm.h>
21 #include <linux/i2c.h>
22 #include <linux/regmap.h>
23 #include <linux/slab.h>
24 #include <sound/core.h>
25 #include <sound/pcm.h>
26 #include <sound/pcm_params.h>
27 #include <sound/soc.h>
28 #include <sound/soc-dapm.h>
29 #include <sound/initval.h>
30 #include <sound/tlv.h>
31 #include "cs42l73.h"
32 
33 struct sp_config {
34 	u8 spc, mmcc, spfs;
35 	u32 srate;
36 };
37 struct  cs42l73_private {
38 	struct sp_config config[3];
39 	struct regmap *regmap;
40 	u32 sysclk;
41 	u8 mclksel;
42 	u32 mclk;
43 };
44 
45 static const struct reg_default cs42l73_reg_defaults[] = {
46 	{ 6, 0xF1 },	/* r06	- Power Ctl 1 */
47 	{ 7, 0xDF },	/* r07	- Power Ctl 2 */
48 	{ 8, 0x3F },	/* r08	- Power Ctl 3 */
49 	{ 9, 0x50 },	/* r09	- Charge Pump Freq */
50 	{ 10, 0x53 },	/* r0A	- Output Load MicBias Short Detect */
51 	{ 11, 0x00 },	/* r0B	- DMIC Master Clock Ctl */
52 	{ 12, 0x00 },	/* r0C	- Aux PCM Ctl */
53 	{ 13, 0x15 },	/* r0D	- Aux PCM Master Clock Ctl */
54 	{ 14, 0x00 },	/* r0E	- Audio PCM Ctl */
55 	{ 15, 0x15 },	/* r0F	- Audio PCM Master Clock Ctl */
56 	{ 16, 0x00 },	/* r10	- Voice PCM Ctl */
57 	{ 17, 0x15 },	/* r11	- Voice PCM Master Clock Ctl */
58 	{ 18, 0x00 },	/* r12	- Voice/Aux Sample Rate */
59 	{ 19, 0x06 },	/* r13	- Misc I/O Path Ctl */
60 	{ 20, 0x00 },	/* r14	- ADC Input Path Ctl */
61 	{ 21, 0x00 },	/* r15	- MICA Preamp, PGA Volume */
62 	{ 22, 0x00 },	/* r16	- MICB Preamp, PGA Volume */
63 	{ 23, 0x00 },	/* r17	- Input Path A Digital Volume */
64 	{ 24, 0x00 },	/* r18	- Input Path B Digital Volume */
65 	{ 25, 0x00 },	/* r19	- Playback Digital Ctl */
66 	{ 26, 0x00 },	/* r1A	- HP/LO Left Digital Volume */
67 	{ 27, 0x00 },	/* r1B	- HP/LO Right Digital Volume */
68 	{ 28, 0x00 },	/* r1C	- Speakerphone Digital Volume */
69 	{ 29, 0x00 },	/* r1D	- Ear/SPKLO Digital Volume */
70 	{ 30, 0x00 },	/* r1E	- HP Left Analog Volume */
71 	{ 31, 0x00 },	/* r1F	- HP Right Analog Volume */
72 	{ 32, 0x00 },	/* r20	- LO Left Analog Volume */
73 	{ 33, 0x00 },	/* r21	- LO Right Analog Volume */
74 	{ 34, 0x00 },	/* r22	- Stereo Input Path Advisory Volume */
75 	{ 35, 0x00 },	/* r23	- Aux PCM Input Advisory Volume */
76 	{ 36, 0x00 },	/* r24	- Audio PCM Input Advisory Volume */
77 	{ 37, 0x00 },	/* r25	- Voice PCM Input Advisory Volume */
78 	{ 38, 0x00 },	/* r26	- Limiter Attack Rate HP/LO */
79 	{ 39, 0x7F },	/* r27	- Limter Ctl, Release Rate HP/LO */
80 	{ 40, 0x00 },	/* r28	- Limter Threshold HP/LO */
81 	{ 41, 0x00 },	/* r29	- Limiter Attack Rate Speakerphone */
82 	{ 42, 0x3F },	/* r2A	- Limter Ctl, Release Rate Speakerphone */
83 	{ 43, 0x00 },	/* r2B	- Limter Threshold Speakerphone */
84 	{ 44, 0x00 },	/* r2C	- Limiter Attack Rate Ear/SPKLO */
85 	{ 45, 0x3F },	/* r2D	- Limter Ctl, Release Rate Ear/SPKLO */
86 	{ 46, 0x00 },	/* r2E	- Limter Threshold Ear/SPKLO */
87 	{ 47, 0x00 },	/* r2F	- ALC Enable, Attack Rate Left/Right */
88 	{ 48, 0x3F },	/* r30	- ALC Release Rate Left/Right */
89 	{ 49, 0x00 },	/* r31	- ALC Threshold Left/Right */
90 	{ 50, 0x00 },	/* r32	- Noise Gate Ctl Left/Right */
91 	{ 51, 0x00 },	/* r33	- ALC/NG Misc Ctl */
92 	{ 52, 0x18 },	/* r34	- Mixer Ctl */
93 	{ 53, 0x3F },	/* r35	- HP/LO Left Mixer Input Path Volume */
94 	{ 54, 0x3F },	/* r36	- HP/LO Right Mixer Input Path Volume */
95 	{ 55, 0x3F },	/* r37	- HP/LO Left Mixer Aux PCM Volume */
96 	{ 56, 0x3F },	/* r38	- HP/LO Right Mixer Aux PCM Volume */
97 	{ 57, 0x3F },	/* r39	- HP/LO Left Mixer Audio PCM Volume */
98 	{ 58, 0x3F },	/* r3A	- HP/LO Right Mixer Audio PCM Volume */
99 	{ 59, 0x3F },	/* r3B	- HP/LO Left Mixer Voice PCM Mono Volume */
100 	{ 60, 0x3F },	/* r3C	- HP/LO Right Mixer Voice PCM Mono Volume */
101 	{ 61, 0x3F },	/* r3D	- Aux PCM Left Mixer Input Path Volume */
102 	{ 62, 0x3F },	/* r3E	- Aux PCM Right Mixer Input Path Volume */
103 	{ 63, 0x3F },	/* r3F	- Aux PCM Left Mixer Volume */
104 	{ 64, 0x3F },	/* r40	- Aux PCM Left Mixer Volume */
105 	{ 65, 0x3F },	/* r41	- Aux PCM Left Mixer Audio PCM L Volume */
106 	{ 66, 0x3F },	/* r42	- Aux PCM Right Mixer Audio PCM R Volume */
107 	{ 67, 0x3F },	/* r43	- Aux PCM Left Mixer Voice PCM Volume */
108 	{ 68, 0x3F },	/* r44	- Aux PCM Right Mixer Voice PCM Volume */
109 	{ 69, 0x3F },	/* r45	- Audio PCM Left Input Path Volume */
110 	{ 70, 0x3F },	/* r46	- Audio PCM Right Input Path Volume */
111 	{ 71, 0x3F },	/* r47	- Audio PCM Left Mixer Aux PCM L Volume */
112 	{ 72, 0x3F },	/* r48	- Audio PCM Right Mixer Aux PCM R Volume */
113 	{ 73, 0x3F },	/* r49	- Audio PCM Left Mixer Volume */
114 	{ 74, 0x3F },	/* r4A	- Audio PCM Right Mixer Volume */
115 	{ 75, 0x3F },	/* r4B	- Audio PCM Left Mixer Voice PCM Volume */
116 	{ 76, 0x3F },	/* r4C	- Audio PCM Right Mixer Voice PCM Volume */
117 	{ 77, 0x3F },	/* r4D	- Voice PCM Left Input Path Volume */
118 	{ 78, 0x3F },	/* r4E	- Voice PCM Right Input Path Volume */
119 	{ 79, 0x3F },	/* r4F	- Voice PCM Left Mixer Aux PCM L Volume */
120 	{ 80, 0x3F },	/* r50	- Voice PCM Right Mixer Aux PCM R Volume */
121 	{ 81, 0x3F },	/* r51	- Voice PCM Left Mixer Audio PCM L Volume */
122 	{ 82, 0x3F },	/* r52	- Voice PCM Right Mixer Audio PCM R Volume */
123 	{ 83, 0x3F },	/* r53	- Voice PCM Left Mixer Voice PCM Volume */
124 	{ 84, 0x3F },	/* r54	- Voice PCM Right Mixer Voice PCM Volume */
125 	{ 85, 0xAA },	/* r55	- Mono Mixer Ctl */
126 	{ 86, 0x3F },	/* r56	- SPK Mono Mixer Input Path Volume */
127 	{ 87, 0x3F },	/* r57	- SPK Mono Mixer Aux PCM Mono/L/R Volume */
128 	{ 88, 0x3F },	/* r58	- SPK Mono Mixer Audio PCM Mono/L/R Volume */
129 	{ 89, 0x3F },	/* r59	- SPK Mono Mixer Voice PCM Mono Volume */
130 	{ 90, 0x3F },	/* r5A	- SPKLO Mono Mixer Input Path Mono Volume */
131 	{ 91, 0x3F },	/* r5B	- SPKLO Mono Mixer Aux Mono/L/R Volume */
132 	{ 92, 0x3F },	/* r5C	- SPKLO Mono Mixer Audio Mono/L/R Volume */
133 	{ 93, 0x3F },	/* r5D	- SPKLO Mono Mixer Voice Mono Volume */
134 	{ 94, 0x00 },	/* r5E	- Interrupt Mask 1 */
135 	{ 95, 0x00 },	/* r5F	- Interrupt Mask 2 */
136 };
137 
138 static bool cs42l73_volatile_register(struct device *dev, unsigned int reg)
139 {
140 	switch (reg) {
141 	case CS42L73_IS1:
142 	case CS42L73_IS2:
143 		return true;
144 	default:
145 		return false;
146 	}
147 }
148 
149 static bool cs42l73_readable_register(struct device *dev, unsigned int reg)
150 {
151 	switch (reg) {
152 	case CS42L73_DEVID_AB:
153 	case CS42L73_DEVID_CD:
154 	case CS42L73_DEVID_E:
155 	case CS42L73_REVID:
156 	case CS42L73_PWRCTL1:
157 	case CS42L73_PWRCTL2:
158 	case CS42L73_PWRCTL3:
159 	case CS42L73_CPFCHC:
160 	case CS42L73_OLMBMSDC:
161 	case CS42L73_DMMCC:
162 	case CS42L73_XSPC:
163 	case CS42L73_XSPMMCC:
164 	case CS42L73_ASPC:
165 	case CS42L73_ASPMMCC:
166 	case CS42L73_VSPC:
167 	case CS42L73_VSPMMCC:
168 	case CS42L73_VXSPFS:
169 	case CS42L73_MIOPC:
170 	case CS42L73_ADCIPC:
171 	case CS42L73_MICAPREPGAAVOL:
172 	case CS42L73_MICBPREPGABVOL:
173 	case CS42L73_IPADVOL:
174 	case CS42L73_IPBDVOL:
175 	case CS42L73_PBDC:
176 	case CS42L73_HLADVOL:
177 	case CS42L73_HLBDVOL:
178 	case CS42L73_SPKDVOL:
179 	case CS42L73_ESLDVOL:
180 	case CS42L73_HPAAVOL:
181 	case CS42L73_HPBAVOL:
182 	case CS42L73_LOAAVOL:
183 	case CS42L73_LOBAVOL:
184 	case CS42L73_STRINV:
185 	case CS42L73_XSPINV:
186 	case CS42L73_ASPINV:
187 	case CS42L73_VSPINV:
188 	case CS42L73_LIMARATEHL:
189 	case CS42L73_LIMRRATEHL:
190 	case CS42L73_LMAXHL:
191 	case CS42L73_LIMARATESPK:
192 	case CS42L73_LIMRRATESPK:
193 	case CS42L73_LMAXSPK:
194 	case CS42L73_LIMARATEESL:
195 	case CS42L73_LIMRRATEESL:
196 	case CS42L73_LMAXESL:
197 	case CS42L73_ALCARATE:
198 	case CS42L73_ALCRRATE:
199 	case CS42L73_ALCMINMAX:
200 	case CS42L73_NGCAB:
201 	case CS42L73_ALCNGMC:
202 	case CS42L73_MIXERCTL:
203 	case CS42L73_HLAIPAA:
204 	case CS42L73_HLBIPBA:
205 	case CS42L73_HLAXSPAA:
206 	case CS42L73_HLBXSPBA:
207 	case CS42L73_HLAASPAA:
208 	case CS42L73_HLBASPBA:
209 	case CS42L73_HLAVSPMA:
210 	case CS42L73_HLBVSPMA:
211 	case CS42L73_XSPAIPAA:
212 	case CS42L73_XSPBIPBA:
213 	case CS42L73_XSPAXSPAA:
214 	case CS42L73_XSPBXSPBA:
215 	case CS42L73_XSPAASPAA:
216 	case CS42L73_XSPAASPBA:
217 	case CS42L73_XSPAVSPMA:
218 	case CS42L73_XSPBVSPMA:
219 	case CS42L73_ASPAIPAA:
220 	case CS42L73_ASPBIPBA:
221 	case CS42L73_ASPAXSPAA:
222 	case CS42L73_ASPBXSPBA:
223 	case CS42L73_ASPAASPAA:
224 	case CS42L73_ASPBASPBA:
225 	case CS42L73_ASPAVSPMA:
226 	case CS42L73_ASPBVSPMA:
227 	case CS42L73_VSPAIPAA:
228 	case CS42L73_VSPBIPBA:
229 	case CS42L73_VSPAXSPAA:
230 	case CS42L73_VSPBXSPBA:
231 	case CS42L73_VSPAASPAA:
232 	case CS42L73_VSPBASPBA:
233 	case CS42L73_VSPAVSPMA:
234 	case CS42L73_VSPBVSPMA:
235 	case CS42L73_MMIXCTL:
236 	case CS42L73_SPKMIPMA:
237 	case CS42L73_SPKMXSPA:
238 	case CS42L73_SPKMASPA:
239 	case CS42L73_SPKMVSPMA:
240 	case CS42L73_ESLMIPMA:
241 	case CS42L73_ESLMXSPA:
242 	case CS42L73_ESLMASPA:
243 	case CS42L73_ESLMVSPMA:
244 	case CS42L73_IM1:
245 	case CS42L73_IM2:
246 		return true;
247 	default:
248 		return false;
249 	}
250 }
251 
252 static const unsigned int hpaloa_tlv[] = {
253 	TLV_DB_RANGE_HEAD(2),
254 	0, 13, TLV_DB_SCALE_ITEM(-7600, 200, 0),
255 	14, 75, TLV_DB_SCALE_ITEM(-4900, 100, 0),
256 };
257 
258 static DECLARE_TLV_DB_SCALE(adc_boost_tlv, 0, 2500, 0);
259 
260 static DECLARE_TLV_DB_SCALE(hl_tlv, -10200, 50, 0);
261 
262 static DECLARE_TLV_DB_SCALE(ipd_tlv, -9600, 100, 0);
263 
264 static DECLARE_TLV_DB_SCALE(micpga_tlv, -600, 50, 0);
265 
266 static const unsigned int limiter_tlv[] = {
267 	TLV_DB_RANGE_HEAD(2),
268 	0, 2, TLV_DB_SCALE_ITEM(-3000, 600, 0),
269 	3, 7, TLV_DB_SCALE_ITEM(-1200, 300, 0),
270 };
271 
272 static const DECLARE_TLV_DB_SCALE(attn_tlv, -6300, 100, 1);
273 
274 static const char * const cs42l73_pgaa_text[] = { "Line A", "Mic 1" };
275 static const char * const cs42l73_pgab_text[] = { "Line B", "Mic 2" };
276 
277 static const struct soc_enum pgaa_enum =
278 	SOC_ENUM_SINGLE(CS42L73_ADCIPC, 3,
279 		ARRAY_SIZE(cs42l73_pgaa_text), cs42l73_pgaa_text);
280 
281 static const struct soc_enum pgab_enum =
282 	SOC_ENUM_SINGLE(CS42L73_ADCIPC, 7,
283 		ARRAY_SIZE(cs42l73_pgab_text), cs42l73_pgab_text);
284 
285 static const struct snd_kcontrol_new pgaa_mux =
286 	SOC_DAPM_ENUM("Left Analog Input Capture Mux", pgaa_enum);
287 
288 static const struct snd_kcontrol_new pgab_mux =
289 	SOC_DAPM_ENUM("Right Analog Input Capture Mux", pgab_enum);
290 
291 static const struct snd_kcontrol_new input_left_mixer[] = {
292 	SOC_DAPM_SINGLE("ADC Left Input", CS42L73_PWRCTL1,
293 			5, 1, 1),
294 	SOC_DAPM_SINGLE("DMIC Left Input", CS42L73_PWRCTL1,
295 			4, 1, 1),
296 };
297 
298 static const struct snd_kcontrol_new input_right_mixer[] = {
299 	SOC_DAPM_SINGLE("ADC Right Input", CS42L73_PWRCTL1,
300 			7, 1, 1),
301 	SOC_DAPM_SINGLE("DMIC Right Input", CS42L73_PWRCTL1,
302 			6, 1, 1),
303 };
304 
305 static const char * const cs42l73_ng_delay_text[] = {
306 	"50ms", "100ms", "150ms", "200ms" };
307 
308 static const struct soc_enum ng_delay_enum =
309 	SOC_ENUM_SINGLE(CS42L73_NGCAB, 0,
310 		ARRAY_SIZE(cs42l73_ng_delay_text), cs42l73_ng_delay_text);
311 
312 static const char * const charge_pump_freq_text[] = {
313 	"0", "1", "2", "3", "4",
314 	"5", "6", "7", "8", "9",
315 	"10", "11", "12", "13", "14", "15" };
316 
317 static const struct soc_enum charge_pump_enum =
318 	SOC_ENUM_SINGLE(CS42L73_CPFCHC, 4,
319 		ARRAY_SIZE(charge_pump_freq_text), charge_pump_freq_text);
320 
321 static const char * const cs42l73_mono_mix_texts[] = {
322 	"Left", "Right", "Mono Mix"};
323 
324 static const unsigned int cs42l73_mono_mix_values[] = { 0, 1, 2 };
325 
326 static const struct soc_enum spk_asp_enum =
327 	SOC_VALUE_ENUM_SINGLE(CS42L73_MMIXCTL, 6, 1,
328 			      ARRAY_SIZE(cs42l73_mono_mix_texts),
329 			      cs42l73_mono_mix_texts,
330 			      cs42l73_mono_mix_values);
331 
332 static const struct snd_kcontrol_new spk_asp_mixer =
333 	SOC_DAPM_ENUM("Route", spk_asp_enum);
334 
335 static const struct soc_enum spk_xsp_enum =
336 	SOC_VALUE_ENUM_SINGLE(CS42L73_MMIXCTL, 4, 3,
337 			      ARRAY_SIZE(cs42l73_mono_mix_texts),
338 			      cs42l73_mono_mix_texts,
339 			      cs42l73_mono_mix_values);
340 
341 static const struct snd_kcontrol_new spk_xsp_mixer =
342 	SOC_DAPM_ENUM("Route", spk_xsp_enum);
343 
344 static const struct soc_enum esl_asp_enum =
345 	SOC_VALUE_ENUM_SINGLE(CS42L73_MMIXCTL, 2, 5,
346 			      ARRAY_SIZE(cs42l73_mono_mix_texts),
347 			      cs42l73_mono_mix_texts,
348 			      cs42l73_mono_mix_values);
349 
350 static const struct snd_kcontrol_new esl_asp_mixer =
351 	SOC_DAPM_ENUM("Route", esl_asp_enum);
352 
353 static const struct soc_enum esl_xsp_enum =
354 	SOC_VALUE_ENUM_SINGLE(CS42L73_MMIXCTL, 0, 7,
355 			      ARRAY_SIZE(cs42l73_mono_mix_texts),
356 			      cs42l73_mono_mix_texts,
357 			      cs42l73_mono_mix_values);
358 
359 static const struct snd_kcontrol_new esl_xsp_mixer =
360 	SOC_DAPM_ENUM("Route", esl_xsp_enum);
361 
362 static const char * const cs42l73_ip_swap_text[] = {
363 	"Stereo", "Mono A", "Mono B", "Swap A-B"};
364 
365 static const struct soc_enum ip_swap_enum =
366 	SOC_ENUM_SINGLE(CS42L73_MIOPC, 6,
367 		ARRAY_SIZE(cs42l73_ip_swap_text), cs42l73_ip_swap_text);
368 
369 static const char * const cs42l73_spo_mixer_text[] = {"Mono", "Stereo"};
370 
371 static const struct soc_enum vsp_output_mux_enum =
372 	SOC_ENUM_SINGLE(CS42L73_MIXERCTL, 5,
373 		ARRAY_SIZE(cs42l73_spo_mixer_text), cs42l73_spo_mixer_text);
374 
375 static const struct soc_enum xsp_output_mux_enum =
376 	SOC_ENUM_SINGLE(CS42L73_MIXERCTL, 4,
377 		ARRAY_SIZE(cs42l73_spo_mixer_text), cs42l73_spo_mixer_text);
378 
379 static const struct snd_kcontrol_new vsp_output_mux =
380 	SOC_DAPM_ENUM("Route", vsp_output_mux_enum);
381 
382 static const struct snd_kcontrol_new xsp_output_mux =
383 	SOC_DAPM_ENUM("Route", xsp_output_mux_enum);
384 
385 static const struct snd_kcontrol_new hp_amp_ctl =
386 	SOC_DAPM_SINGLE("Switch", CS42L73_PWRCTL3, 0, 1, 1);
387 
388 static const struct snd_kcontrol_new lo_amp_ctl =
389 	SOC_DAPM_SINGLE("Switch", CS42L73_PWRCTL3, 1, 1, 1);
390 
391 static const struct snd_kcontrol_new spk_amp_ctl =
392 	SOC_DAPM_SINGLE("Switch", CS42L73_PWRCTL3, 2, 1, 1);
393 
394 static const struct snd_kcontrol_new spklo_amp_ctl =
395 	SOC_DAPM_SINGLE("Switch", CS42L73_PWRCTL3, 4, 1, 1);
396 
397 static const struct snd_kcontrol_new ear_amp_ctl =
398 	SOC_DAPM_SINGLE("Switch", CS42L73_PWRCTL3, 3, 1, 1);
399 
400 static const struct snd_kcontrol_new cs42l73_snd_controls[] = {
401 	SOC_DOUBLE_R_SX_TLV("Headphone Analog Playback Volume",
402 			CS42L73_HPAAVOL, CS42L73_HPBAVOL, 0,
403 			0x41, 0x4B, hpaloa_tlv),
404 
405 	SOC_DOUBLE_R_SX_TLV("LineOut Analog Playback Volume", CS42L73_LOAAVOL,
406 			CS42L73_LOBAVOL, 0, 0x41, 0x4B, hpaloa_tlv),
407 
408 	SOC_DOUBLE_R_SX_TLV("Input PGA Analog Volume", CS42L73_MICAPREPGAAVOL,
409 			CS42L73_MICBPREPGABVOL, 5, 0x34,
410 			0x24, micpga_tlv),
411 
412 	SOC_DOUBLE_R("MIC Preamp Switch", CS42L73_MICAPREPGAAVOL,
413 			CS42L73_MICBPREPGABVOL, 6, 1, 1),
414 
415 	SOC_DOUBLE_R_SX_TLV("Input Path Digital Volume", CS42L73_IPADVOL,
416 			CS42L73_IPBDVOL, 0, 0xA0, 0x6C, ipd_tlv),
417 
418 	SOC_DOUBLE_R_SX_TLV("HL Digital Playback Volume",
419 			CS42L73_HLADVOL, CS42L73_HLBDVOL,
420 			0, 0x34, 0xE4, hl_tlv),
421 
422 	SOC_SINGLE_TLV("ADC A Boost Volume",
423 			CS42L73_ADCIPC, 2, 0x01, 1, adc_boost_tlv),
424 
425 	SOC_SINGLE_TLV("ADC B Boost Volume",
426 		       CS42L73_ADCIPC, 6, 0x01, 1, adc_boost_tlv),
427 
428 	SOC_SINGLE_SX_TLV("Speakerphone Digital Volume",
429 			    CS42L73_SPKDVOL, 0, 0x34, 0xE4, hl_tlv),
430 
431 	SOC_SINGLE_SX_TLV("Ear Speaker Digital Volume",
432 			    CS42L73_ESLDVOL, 0, 0x34, 0xE4, hl_tlv),
433 
434 	SOC_DOUBLE_R("Headphone Analog Playback Switch", CS42L73_HPAAVOL,
435 			CS42L73_HPBAVOL, 7, 1, 1),
436 
437 	SOC_DOUBLE_R("LineOut Analog Playback Switch", CS42L73_LOAAVOL,
438 			CS42L73_LOBAVOL, 7, 1, 1),
439 	SOC_DOUBLE("Input Path Digital Switch", CS42L73_ADCIPC, 0, 4, 1, 1),
440 	SOC_DOUBLE("HL Digital Playback Switch", CS42L73_PBDC, 0,
441 			1, 1, 1),
442 	SOC_SINGLE("Speakerphone Digital Playback Switch", CS42L73_PBDC, 2, 1,
443 			1),
444 	SOC_SINGLE("Ear Speaker Digital Playback Switch", CS42L73_PBDC, 3, 1,
445 			1),
446 
447 	SOC_SINGLE("PGA Soft-Ramp Switch", CS42L73_MIOPC, 3, 1, 0),
448 	SOC_SINGLE("Analog Zero Cross Switch", CS42L73_MIOPC, 2, 1, 0),
449 	SOC_SINGLE("Digital Soft-Ramp Switch", CS42L73_MIOPC, 1, 1, 0),
450 	SOC_SINGLE("Analog Output Soft-Ramp Switch", CS42L73_MIOPC, 0, 1, 0),
451 
452 	SOC_DOUBLE("ADC Signal Polarity Switch", CS42L73_ADCIPC, 1, 5, 1,
453 			0),
454 
455 	SOC_SINGLE("HL Limiter Attack Rate", CS42L73_LIMARATEHL, 0, 0x3F,
456 			0),
457 	SOC_SINGLE("HL Limiter Release Rate", CS42L73_LIMRRATEHL, 0,
458 			0x3F, 0),
459 
460 
461 	SOC_SINGLE("HL Limiter Switch", CS42L73_LIMRRATEHL, 7, 1, 0),
462 	SOC_SINGLE("HL Limiter All Channels Switch", CS42L73_LIMRRATEHL, 6, 1,
463 			0),
464 
465 	SOC_SINGLE_TLV("HL Limiter Max Threshold Volume", CS42L73_LMAXHL, 5, 7,
466 			1, limiter_tlv),
467 
468 	SOC_SINGLE_TLV("HL Limiter Cushion Volume", CS42L73_LMAXHL, 2, 7, 1,
469 			limiter_tlv),
470 
471 	SOC_SINGLE("SPK Limiter Attack Rate Volume", CS42L73_LIMARATESPK, 0,
472 			0x3F, 0),
473 	SOC_SINGLE("SPK Limiter Release Rate Volume", CS42L73_LIMRRATESPK, 0,
474 			0x3F, 0),
475 	SOC_SINGLE("SPK Limiter Switch", CS42L73_LIMRRATESPK, 7, 1, 0),
476 	SOC_SINGLE("SPK Limiter All Channels Switch", CS42L73_LIMRRATESPK,
477 			6, 1, 0),
478 	SOC_SINGLE_TLV("SPK Limiter Max Threshold Volume", CS42L73_LMAXSPK, 5,
479 			7, 1, limiter_tlv),
480 
481 	SOC_SINGLE_TLV("SPK Limiter Cushion Volume", CS42L73_LMAXSPK, 2, 7, 1,
482 			limiter_tlv),
483 
484 	SOC_SINGLE("ESL Limiter Attack Rate Volume", CS42L73_LIMARATEESL, 0,
485 			0x3F, 0),
486 	SOC_SINGLE("ESL Limiter Release Rate Volume", CS42L73_LIMRRATEESL, 0,
487 			0x3F, 0),
488 	SOC_SINGLE("ESL Limiter Switch", CS42L73_LIMRRATEESL, 7, 1, 0),
489 	SOC_SINGLE_TLV("ESL Limiter Max Threshold Volume", CS42L73_LMAXESL, 5,
490 			7, 1, limiter_tlv),
491 
492 	SOC_SINGLE_TLV("ESL Limiter Cushion Volume", CS42L73_LMAXESL, 2, 7, 1,
493 			limiter_tlv),
494 
495 	SOC_SINGLE("ALC Attack Rate Volume", CS42L73_ALCARATE, 0, 0x3F, 0),
496 	SOC_SINGLE("ALC Release Rate Volume", CS42L73_ALCRRATE, 0, 0x3F, 0),
497 	SOC_DOUBLE("ALC Switch", CS42L73_ALCARATE, 6, 7, 1, 0),
498 	SOC_SINGLE_TLV("ALC Max Threshold Volume", CS42L73_ALCMINMAX, 5, 7, 0,
499 			limiter_tlv),
500 	SOC_SINGLE_TLV("ALC Min Threshold Volume", CS42L73_ALCMINMAX, 2, 7, 0,
501 			limiter_tlv),
502 
503 	SOC_DOUBLE("NG Enable Switch", CS42L73_NGCAB, 6, 7, 1, 0),
504 	SOC_SINGLE("NG Boost Switch", CS42L73_NGCAB, 5, 1, 0),
505 	/*
506 	    NG Threshold depends on NG_BOOTSAB, which selects
507 	    between two threshold scales in decibels.
508 	    Set linear values for now ..
509 	*/
510 	SOC_SINGLE("NG Threshold", CS42L73_NGCAB, 2, 7, 0),
511 	SOC_ENUM("NG Delay", ng_delay_enum),
512 
513 	SOC_ENUM("Charge Pump Frequency", charge_pump_enum),
514 
515 	SOC_DOUBLE_R_TLV("XSP-IP Volume",
516 			CS42L73_XSPAIPAA, CS42L73_XSPBIPBA, 0, 0x3F, 1,
517 			attn_tlv),
518 	SOC_DOUBLE_R_TLV("XSP-XSP Volume",
519 			CS42L73_XSPAXSPAA, CS42L73_XSPBXSPBA, 0, 0x3F, 1,
520 			attn_tlv),
521 	SOC_DOUBLE_R_TLV("XSP-ASP Volume",
522 			CS42L73_XSPAASPAA, CS42L73_XSPAASPBA, 0, 0x3F, 1,
523 			attn_tlv),
524 	SOC_DOUBLE_R_TLV("XSP-VSP Volume",
525 			CS42L73_XSPAVSPMA, CS42L73_XSPBVSPMA, 0, 0x3F, 1,
526 			attn_tlv),
527 
528 	SOC_DOUBLE_R_TLV("ASP-IP Volume",
529 			CS42L73_ASPAIPAA, CS42L73_ASPBIPBA, 0, 0x3F, 1,
530 			attn_tlv),
531 	SOC_DOUBLE_R_TLV("ASP-XSP Volume",
532 			CS42L73_ASPAXSPAA, CS42L73_ASPBXSPBA, 0, 0x3F, 1,
533 			attn_tlv),
534 	SOC_DOUBLE_R_TLV("ASP-ASP Volume",
535 			CS42L73_ASPAASPAA, CS42L73_ASPBASPBA, 0, 0x3F, 1,
536 			attn_tlv),
537 	SOC_DOUBLE_R_TLV("ASP-VSP Volume",
538 			CS42L73_ASPAVSPMA, CS42L73_ASPBVSPMA, 0, 0x3F, 1,
539 			attn_tlv),
540 
541 	SOC_DOUBLE_R_TLV("VSP-IP Volume",
542 			CS42L73_VSPAIPAA, CS42L73_VSPBIPBA, 0, 0x3F, 1,
543 			attn_tlv),
544 	SOC_DOUBLE_R_TLV("VSP-XSP Volume",
545 			CS42L73_VSPAXSPAA, CS42L73_VSPBXSPBA, 0, 0x3F, 1,
546 			attn_tlv),
547 	SOC_DOUBLE_R_TLV("VSP-ASP Volume",
548 			CS42L73_VSPAASPAA, CS42L73_VSPBASPBA, 0, 0x3F, 1,
549 			attn_tlv),
550 	SOC_DOUBLE_R_TLV("VSP-VSP Volume",
551 			CS42L73_VSPAVSPMA, CS42L73_VSPBVSPMA, 0, 0x3F, 1,
552 			attn_tlv),
553 
554 	SOC_DOUBLE_R_TLV("HL-IP Volume",
555 			CS42L73_HLAIPAA, CS42L73_HLBIPBA, 0, 0x3F, 1,
556 			attn_tlv),
557 	SOC_DOUBLE_R_TLV("HL-XSP Volume",
558 			CS42L73_HLAXSPAA, CS42L73_HLBXSPBA, 0, 0x3F, 1,
559 			attn_tlv),
560 	SOC_DOUBLE_R_TLV("HL-ASP Volume",
561 			CS42L73_HLAASPAA, CS42L73_HLBASPBA, 0, 0x3F, 1,
562 			attn_tlv),
563 	SOC_DOUBLE_R_TLV("HL-VSP Volume",
564 			CS42L73_HLAVSPMA, CS42L73_HLBVSPMA, 0, 0x3F, 1,
565 			attn_tlv),
566 
567 	SOC_SINGLE_TLV("SPK-IP Mono Volume",
568 			CS42L73_SPKMIPMA, 0, 0x3F, 1, attn_tlv),
569 	SOC_SINGLE_TLV("SPK-XSP Mono Volume",
570 			CS42L73_SPKMXSPA, 0, 0x3F, 1, attn_tlv),
571 	SOC_SINGLE_TLV("SPK-ASP Mono Volume",
572 			CS42L73_SPKMASPA, 0, 0x3F, 1, attn_tlv),
573 	SOC_SINGLE_TLV("SPK-VSP Mono Volume",
574 			CS42L73_SPKMVSPMA, 0, 0x3F, 1, attn_tlv),
575 
576 	SOC_SINGLE_TLV("ESL-IP Mono Volume",
577 			CS42L73_ESLMIPMA, 0, 0x3F, 1, attn_tlv),
578 	SOC_SINGLE_TLV("ESL-XSP Mono Volume",
579 			CS42L73_ESLMXSPA, 0, 0x3F, 1, attn_tlv),
580 	SOC_SINGLE_TLV("ESL-ASP Mono Volume",
581 			CS42L73_ESLMASPA, 0, 0x3F, 1, attn_tlv),
582 	SOC_SINGLE_TLV("ESL-VSP Mono Volume",
583 			CS42L73_ESLMVSPMA, 0, 0x3F, 1, attn_tlv),
584 
585 	SOC_ENUM("IP Digital Swap/Mono Select", ip_swap_enum),
586 
587 	SOC_ENUM("VSPOUT Mono/Stereo Select", vsp_output_mux_enum),
588 	SOC_ENUM("XSPOUT Mono/Stereo Select", xsp_output_mux_enum),
589 };
590 
591 static const struct snd_soc_dapm_widget cs42l73_dapm_widgets[] = {
592 	SND_SOC_DAPM_INPUT("LINEINA"),
593 	SND_SOC_DAPM_INPUT("LINEINB"),
594 	SND_SOC_DAPM_INPUT("MIC1"),
595 	SND_SOC_DAPM_SUPPLY("MIC1 Bias", CS42L73_PWRCTL2, 6, 1, NULL, 0),
596 	SND_SOC_DAPM_INPUT("MIC2"),
597 	SND_SOC_DAPM_SUPPLY("MIC2 Bias", CS42L73_PWRCTL2, 7, 1, NULL, 0),
598 
599 	SND_SOC_DAPM_AIF_OUT("XSPOUTL", NULL,  0,
600 			CS42L73_PWRCTL2, 1, 1),
601 	SND_SOC_DAPM_AIF_OUT("XSPOUTR", NULL,  0,
602 			CS42L73_PWRCTL2, 1, 1),
603 	SND_SOC_DAPM_AIF_OUT("ASPOUTL", NULL,  0,
604 			CS42L73_PWRCTL2, 3, 1),
605 	SND_SOC_DAPM_AIF_OUT("ASPOUTR", NULL,  0,
606 			CS42L73_PWRCTL2, 3, 1),
607 	SND_SOC_DAPM_AIF_OUT("VSPOUTL", NULL,  0,
608 			CS42L73_PWRCTL2, 4, 1),
609 	SND_SOC_DAPM_AIF_OUT("VSPOUTR", NULL,  0,
610 			CS42L73_PWRCTL2, 4, 1),
611 
612 	SND_SOC_DAPM_PGA("PGA Left", SND_SOC_NOPM, 0, 0, NULL, 0),
613 	SND_SOC_DAPM_PGA("PGA Right", SND_SOC_NOPM, 0, 0, NULL, 0),
614 
615 	SND_SOC_DAPM_MUX("PGA Left Mux", SND_SOC_NOPM, 0, 0, &pgaa_mux),
616 	SND_SOC_DAPM_MUX("PGA Right Mux", SND_SOC_NOPM, 0, 0, &pgab_mux),
617 
618 	SND_SOC_DAPM_ADC("ADC Left", NULL, CS42L73_PWRCTL1, 7, 1),
619 	SND_SOC_DAPM_ADC("ADC Right", NULL, CS42L73_PWRCTL1, 5, 1),
620 	SND_SOC_DAPM_ADC("DMIC Left", NULL, CS42L73_PWRCTL1, 6, 1),
621 	SND_SOC_DAPM_ADC("DMIC Right", NULL, CS42L73_PWRCTL1, 4, 1),
622 
623 	SND_SOC_DAPM_MIXER_NAMED_CTL("Input Left Capture", SND_SOC_NOPM,
624 			 0, 0, input_left_mixer,
625 			 ARRAY_SIZE(input_left_mixer)),
626 
627 	SND_SOC_DAPM_MIXER_NAMED_CTL("Input Right Capture", SND_SOC_NOPM,
628 			0, 0, input_right_mixer,
629 			ARRAY_SIZE(input_right_mixer)),
630 
631 	SND_SOC_DAPM_MIXER("ASPL Output Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
632 	SND_SOC_DAPM_MIXER("ASPR Output Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
633 	SND_SOC_DAPM_MIXER("XSPL Output Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
634 	SND_SOC_DAPM_MIXER("XSPR Output Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
635 	SND_SOC_DAPM_MIXER("VSPL Output Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
636 	SND_SOC_DAPM_MIXER("VSPR Output Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
637 
638 	SND_SOC_DAPM_AIF_IN("XSPINL", NULL, 0,
639 				CS42L73_PWRCTL2, 0, 1),
640 	SND_SOC_DAPM_AIF_IN("XSPINR", NULL, 0,
641 				CS42L73_PWRCTL2, 0, 1),
642 	SND_SOC_DAPM_AIF_IN("XSPINM", NULL, 0,
643 				CS42L73_PWRCTL2, 0, 1),
644 
645 	SND_SOC_DAPM_AIF_IN("ASPINL", NULL, 0,
646 				CS42L73_PWRCTL2, 2, 1),
647 	SND_SOC_DAPM_AIF_IN("ASPINR", NULL, 0,
648 				CS42L73_PWRCTL2, 2, 1),
649 	SND_SOC_DAPM_AIF_IN("ASPINM", NULL, 0,
650 				CS42L73_PWRCTL2, 2, 1),
651 
652 	SND_SOC_DAPM_AIF_IN("VSPIN", NULL, 0,
653 				CS42L73_PWRCTL2, 4, 1),
654 
655 	SND_SOC_DAPM_MIXER("HL Left Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
656 	SND_SOC_DAPM_MIXER("HL Right Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
657 	SND_SOC_DAPM_MIXER("SPK Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
658 	SND_SOC_DAPM_MIXER("ESL Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
659 
660 	SND_SOC_DAPM_MUX("ESL-XSP Mux", SND_SOC_NOPM,
661 			 0, 0, &esl_xsp_mixer),
662 
663 	SND_SOC_DAPM_MUX("ESL-ASP Mux", SND_SOC_NOPM,
664 			 0, 0, &esl_asp_mixer),
665 
666 	SND_SOC_DAPM_MUX("SPK-ASP Mux", SND_SOC_NOPM,
667 			 0, 0, &spk_asp_mixer),
668 
669 	SND_SOC_DAPM_MUX("SPK-XSP Mux", SND_SOC_NOPM,
670 			 0, 0, &spk_xsp_mixer),
671 
672 	SND_SOC_DAPM_PGA("HL Left DAC", SND_SOC_NOPM, 0, 0, NULL, 0),
673 	SND_SOC_DAPM_PGA("HL Right DAC", SND_SOC_NOPM, 0, 0, NULL, 0),
674 	SND_SOC_DAPM_PGA("SPK DAC", SND_SOC_NOPM, 0, 0, NULL, 0),
675 	SND_SOC_DAPM_PGA("ESL DAC", SND_SOC_NOPM, 0, 0, NULL, 0),
676 
677 	SND_SOC_DAPM_SWITCH("HP Amp", CS42L73_PWRCTL3, 0, 1,
678 			    &hp_amp_ctl),
679 	SND_SOC_DAPM_SWITCH("LO Amp", CS42L73_PWRCTL3, 1, 1,
680 			    &lo_amp_ctl),
681 	SND_SOC_DAPM_SWITCH("SPK Amp", CS42L73_PWRCTL3, 2, 1,
682 			    &spk_amp_ctl),
683 	SND_SOC_DAPM_SWITCH("EAR Amp", CS42L73_PWRCTL3, 3, 1,
684 			    &ear_amp_ctl),
685 	SND_SOC_DAPM_SWITCH("SPKLO Amp", CS42L73_PWRCTL3, 4, 1,
686 			    &spklo_amp_ctl),
687 
688 	SND_SOC_DAPM_OUTPUT("HPOUTA"),
689 	SND_SOC_DAPM_OUTPUT("HPOUTB"),
690 	SND_SOC_DAPM_OUTPUT("LINEOUTA"),
691 	SND_SOC_DAPM_OUTPUT("LINEOUTB"),
692 	SND_SOC_DAPM_OUTPUT("EAROUT"),
693 	SND_SOC_DAPM_OUTPUT("SPKOUT"),
694 	SND_SOC_DAPM_OUTPUT("SPKLINEOUT"),
695 };
696 
697 static const struct snd_soc_dapm_route cs42l73_audio_map[] = {
698 
699 	/* SPKLO EARSPK Paths */
700 	{"EAROUT", NULL, "EAR Amp"},
701 	{"SPKLINEOUT", NULL, "SPKLO Amp"},
702 
703 	{"EAR Amp", "Switch", "ESL DAC"},
704 	{"SPKLO Amp", "Switch", "ESL DAC"},
705 
706 	{"ESL DAC", "ESL-ASP Mono Volume", "ESL Mixer"},
707 	{"ESL DAC", "ESL-XSP Mono Volume", "ESL Mixer"},
708 	{"ESL DAC", "ESL-VSP Mono Volume", "VSPIN"},
709 	/* Loopback */
710 	{"ESL DAC", "ESL-IP Mono Volume", "Input Left Capture"},
711 	{"ESL DAC", "ESL-IP Mono Volume", "Input Right Capture"},
712 
713 	{"ESL Mixer", NULL, "ESL-ASP Mux"},
714 	{"ESL Mixer", NULL, "ESL-XSP Mux"},
715 
716 	{"ESL-ASP Mux", "Left", "ASPINL"},
717 	{"ESL-ASP Mux", "Right", "ASPINR"},
718 	{"ESL-ASP Mux", "Mono Mix", "ASPINM"},
719 
720 	{"ESL-XSP Mux", "Left", "XSPINL"},
721 	{"ESL-XSP Mux", "Right", "XSPINR"},
722 	{"ESL-XSP Mux", "Mono Mix", "XSPINM"},
723 
724 	/* Speakerphone Paths */
725 	{"SPKOUT", NULL, "SPK Amp"},
726 	{"SPK Amp", "Switch", "SPK DAC"},
727 
728 	{"SPK DAC", "SPK-ASP Mono Volume", "SPK Mixer"},
729 	{"SPK DAC", "SPK-XSP Mono Volume", "SPK Mixer"},
730 	{"SPK DAC", "SPK-VSP Mono Volume", "VSPIN"},
731 	/* Loopback */
732 	{"SPK DAC", "SPK-IP Mono Volume", "Input Left Capture"},
733 	{"SPK DAC", "SPK-IP Mono Volume", "Input Right Capture"},
734 
735 	{"SPK Mixer", NULL, "SPK-ASP Mux"},
736 	{"SPK Mixer", NULL, "SPK-XSP Mux"},
737 
738 	{"SPK-ASP Mux", "Left", "ASPINL"},
739 	{"SPK-ASP Mux", "Mono Mix", "ASPINM"},
740 	{"SPK-ASP Mux", "Right", "ASPINR"},
741 
742 	{"SPK-XSP Mux", "Left", "XSPINL"},
743 	{"SPK-XSP Mux", "Mono Mix", "XSPINM"},
744 	{"SPK-XSP Mux", "Right", "XSPINR"},
745 
746 	/* HP LineOUT Paths */
747 	{"HPOUTA", NULL, "HP Amp"},
748 	{"HPOUTB", NULL, "HP Amp"},
749 	{"LINEOUTA", NULL, "LO Amp"},
750 	{"LINEOUTB", NULL, "LO Amp"},
751 
752 	{"HP Amp", "Switch", "HL Left DAC"},
753 	{"HP Amp", "Switch", "HL Right DAC"},
754 	{"LO Amp", "Switch", "HL Left DAC"},
755 	{"LO Amp", "Switch", "HL Right DAC"},
756 
757 	{"HL Left DAC", "HL-XSP Volume", "HL Left Mixer"},
758 	{"HL Right DAC", "HL-XSP Volume", "HL Right Mixer"},
759 	{"HL Left DAC", "HL-ASP Volume", "HL Left Mixer"},
760 	{"HL Right DAC", "HL-ASP Volume", "HL Right Mixer"},
761 	{"HL Left DAC", "HL-VSP Volume", "HL Left Mixer"},
762 	{"HL Right DAC", "HL-VSP Volume", "HL Right Mixer"},
763 	/* Loopback */
764 	{"HL Left DAC", "HL-IP Volume", "HL Left Mixer"},
765 	{"HL Right DAC", "HL-IP Volume", "HL Right Mixer"},
766 	{"HL Left Mixer", NULL, "Input Left Capture"},
767 	{"HL Right Mixer", NULL, "Input Right Capture"},
768 
769 	{"HL Left Mixer", NULL, "ASPINL"},
770 	{"HL Right Mixer", NULL, "ASPINR"},
771 	{"HL Left Mixer", NULL, "XSPINL"},
772 	{"HL Right Mixer", NULL, "XSPINR"},
773 	{"HL Left Mixer", NULL, "VSPIN"},
774 	{"HL Right Mixer", NULL, "VSPIN"},
775 
776 	{"ASPINL", NULL, "ASP Playback"},
777 	{"ASPINM", NULL, "ASP Playback"},
778 	{"ASPINR", NULL, "ASP Playback"},
779 	{"XSPINL", NULL, "XSP Playback"},
780 	{"XSPINM", NULL, "XSP Playback"},
781 	{"XSPINR", NULL, "XSP Playback"},
782 	{"VSPIN", NULL, "VSP Playback"},
783 
784 	/* Capture Paths */
785 	{"MIC1", NULL, "MIC1 Bias"},
786 	{"PGA Left Mux", "Mic 1", "MIC1"},
787 	{"MIC2", NULL, "MIC2 Bias"},
788 	{"PGA Right Mux", "Mic 2", "MIC2"},
789 
790 	{"PGA Left Mux", "Line A", "LINEINA"},
791 	{"PGA Right Mux", "Line B", "LINEINB"},
792 
793 	{"PGA Left", NULL, "PGA Left Mux"},
794 	{"PGA Right", NULL, "PGA Right Mux"},
795 
796 	{"ADC Left", NULL, "PGA Left"},
797 	{"ADC Right", NULL, "PGA Right"},
798 
799 	{"Input Left Capture", "ADC Left Input", "ADC Left"},
800 	{"Input Right Capture", "ADC Right Input", "ADC Right"},
801 	{"Input Left Capture", "DMIC Left Input", "DMIC Left"},
802 	{"Input Right Capture", "DMIC Right Input", "DMIC Right"},
803 
804 	/* Audio Capture */
805 	{"ASPL Output Mixer", NULL, "Input Left Capture"},
806 	{"ASPR Output Mixer", NULL, "Input Right Capture"},
807 
808 	{"ASPOUTL", "ASP-IP Volume", "ASPL Output Mixer"},
809 	{"ASPOUTR", "ASP-IP Volume", "ASPR Output Mixer"},
810 
811 	/* Auxillary Capture */
812 	{"XSPL Output Mixer", NULL, "Input Left Capture"},
813 	{"XSPR Output Mixer", NULL, "Input Right Capture"},
814 
815 	{"XSPOUTL", "XSP-IP Volume", "XSPL Output Mixer"},
816 	{"XSPOUTR", "XSP-IP Volume", "XSPR Output Mixer"},
817 
818 	{"XSPOUTL", NULL, "XSPL Output Mixer"},
819 	{"XSPOUTR", NULL, "XSPR Output Mixer"},
820 
821 	/* Voice Capture */
822 	{"VSPL Output Mixer", NULL, "Input Left Capture"},
823 	{"VSPR Output Mixer", NULL, "Input Left Capture"},
824 
825 	{"VSPOUTL", "VSP-IP Volume", "VSPL Output Mixer"},
826 	{"VSPOUTR", "VSP-IP Volume", "VSPR Output Mixer"},
827 
828 	{"VSPOUTL", NULL, "VSPL Output Mixer"},
829 	{"VSPOUTR", NULL, "VSPR Output Mixer"},
830 
831 	{"ASP Capture", NULL, "ASPOUTL"},
832 	{"ASP Capture", NULL, "ASPOUTR"},
833 	{"XSP Capture", NULL, "XSPOUTL"},
834 	{"XSP Capture", NULL, "XSPOUTR"},
835 	{"VSP Capture", NULL, "VSPOUTL"},
836 	{"VSP Capture", NULL, "VSPOUTR"},
837 };
838 
839 struct cs42l73_mclk_div {
840 	u32 mclk;
841 	u32 srate;
842 	u8 mmcc;
843 };
844 
845 static struct cs42l73_mclk_div cs42l73_mclk_coeffs[] = {
846 	/* MCLK, Sample Rate, xMMCC[5:0] */
847 	{5644800, 11025, 0x30},
848 	{5644800, 22050, 0x20},
849 	{5644800, 44100, 0x10},
850 
851 	{6000000,  8000, 0x39},
852 	{6000000, 11025, 0x33},
853 	{6000000, 12000, 0x31},
854 	{6000000, 16000, 0x29},
855 	{6000000, 22050, 0x23},
856 	{6000000, 24000, 0x21},
857 	{6000000, 32000, 0x19},
858 	{6000000, 44100, 0x13},
859 	{6000000, 48000, 0x11},
860 
861 	{6144000,  8000, 0x38},
862 	{6144000, 12000, 0x30},
863 	{6144000, 16000, 0x28},
864 	{6144000, 24000, 0x20},
865 	{6144000, 32000, 0x18},
866 	{6144000, 48000, 0x10},
867 
868 	{6500000,  8000, 0x3C},
869 	{6500000, 11025, 0x35},
870 	{6500000, 12000, 0x34},
871 	{6500000, 16000, 0x2C},
872 	{6500000, 22050, 0x25},
873 	{6500000, 24000, 0x24},
874 	{6500000, 32000, 0x1C},
875 	{6500000, 44100, 0x15},
876 	{6500000, 48000, 0x14},
877 
878 	{6400000,  8000, 0x3E},
879 	{6400000, 11025, 0x37},
880 	{6400000, 12000, 0x36},
881 	{6400000, 16000, 0x2E},
882 	{6400000, 22050, 0x27},
883 	{6400000, 24000, 0x26},
884 	{6400000, 32000, 0x1E},
885 	{6400000, 44100, 0x17},
886 	{6400000, 48000, 0x16},
887 };
888 
889 struct cs42l73_mclkx_div {
890 	u32 mclkx;
891 	u8 ratio;
892 	u8 mclkdiv;
893 };
894 
895 static struct cs42l73_mclkx_div cs42l73_mclkx_coeffs[] = {
896 	{5644800,  1, 0},	/* 5644800 */
897 	{6000000,  1, 0},	/* 6000000 */
898 	{6144000,  1, 0},	/* 6144000 */
899 	{11289600, 2, 2},	/* 5644800 */
900 	{12288000, 2, 2},	/* 6144000 */
901 	{12000000, 2, 2},	/* 6000000 */
902 	{13000000, 2, 2},	/* 6500000 */
903 	{19200000, 3, 3},	/* 6400000 */
904 	{24000000, 4, 4},	/* 6000000 */
905 	{26000000, 4, 4},	/* 6500000 */
906 	{38400000, 6, 5}	/* 6400000 */
907 };
908 
909 static int cs42l73_get_mclkx_coeff(int mclkx)
910 {
911 	int i;
912 
913 	for (i = 0; i < ARRAY_SIZE(cs42l73_mclkx_coeffs); i++) {
914 		if (cs42l73_mclkx_coeffs[i].mclkx == mclkx)
915 			return i;
916 	}
917 	return -EINVAL;
918 }
919 
920 static int cs42l73_get_mclk_coeff(int mclk, int srate)
921 {
922 	int i;
923 
924 	for (i = 0; i < ARRAY_SIZE(cs42l73_mclk_coeffs); i++) {
925 		if (cs42l73_mclk_coeffs[i].mclk == mclk &&
926 		    cs42l73_mclk_coeffs[i].srate == srate)
927 			return i;
928 	}
929 	return -EINVAL;
930 
931 }
932 
933 static int cs42l73_set_mclk(struct snd_soc_dai *dai, unsigned int freq)
934 {
935 	struct snd_soc_codec *codec = dai->codec;
936 	struct cs42l73_private *priv = snd_soc_codec_get_drvdata(codec);
937 
938 	int mclkx_coeff;
939 	u32 mclk = 0;
940 	u8 dmmcc = 0;
941 
942 	/* MCLKX -> MCLK */
943 	mclkx_coeff = cs42l73_get_mclkx_coeff(freq);
944 	if (mclkx_coeff < 0)
945 		return mclkx_coeff;
946 
947 	mclk = cs42l73_mclkx_coeffs[mclkx_coeff].mclkx /
948 		cs42l73_mclkx_coeffs[mclkx_coeff].ratio;
949 
950 	dev_dbg(codec->dev, "MCLK%u %u  <-> internal MCLK %u\n",
951 		 priv->mclksel + 1, cs42l73_mclkx_coeffs[mclkx_coeff].mclkx,
952 		 mclk);
953 
954 	dmmcc = (priv->mclksel << 4) |
955 		(cs42l73_mclkx_coeffs[mclkx_coeff].mclkdiv << 1);
956 
957 	snd_soc_write(codec, CS42L73_DMMCC, dmmcc);
958 
959 	priv->sysclk = mclkx_coeff;
960 	priv->mclk = mclk;
961 
962 	return 0;
963 }
964 
965 static int cs42l73_set_sysclk(struct snd_soc_dai *dai,
966 			      int clk_id, unsigned int freq, int dir)
967 {
968 	struct snd_soc_codec *codec = dai->codec;
969 	struct cs42l73_private *priv = snd_soc_codec_get_drvdata(codec);
970 
971 	switch (clk_id) {
972 	case CS42L73_CLKID_MCLK1:
973 		break;
974 	case CS42L73_CLKID_MCLK2:
975 		break;
976 	default:
977 		return -EINVAL;
978 	}
979 
980 	if ((cs42l73_set_mclk(dai, freq)) < 0) {
981 		dev_err(codec->dev, "Unable to set MCLK for dai %s\n",
982 			dai->name);
983 		return -EINVAL;
984 	}
985 
986 	priv->mclksel = clk_id;
987 
988 	return 0;
989 }
990 
991 static int cs42l73_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
992 {
993 	struct snd_soc_codec *codec = codec_dai->codec;
994 	struct cs42l73_private *priv = snd_soc_codec_get_drvdata(codec);
995 	u8 id = codec_dai->id;
996 	unsigned int inv, format;
997 	u8 spc, mmcc;
998 
999 	spc = snd_soc_read(codec, CS42L73_SPC(id));
1000 	mmcc = snd_soc_read(codec, CS42L73_MMCC(id));
1001 
1002 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1003 	case SND_SOC_DAIFMT_CBM_CFM:
1004 		mmcc |= MS_MASTER;
1005 		break;
1006 
1007 	case SND_SOC_DAIFMT_CBS_CFS:
1008 		mmcc &= ~MS_MASTER;
1009 		break;
1010 
1011 	default:
1012 		return -EINVAL;
1013 	}
1014 
1015 	format = (fmt & SND_SOC_DAIFMT_FORMAT_MASK);
1016 	inv = (fmt & SND_SOC_DAIFMT_INV_MASK);
1017 
1018 	switch (format) {
1019 	case SND_SOC_DAIFMT_I2S:
1020 		spc &= ~SPDIF_PCM;
1021 		break;
1022 	case SND_SOC_DAIFMT_DSP_A:
1023 	case SND_SOC_DAIFMT_DSP_B:
1024 		if (mmcc & MS_MASTER) {
1025 			dev_err(codec->dev,
1026 				"PCM format in slave mode only\n");
1027 			return -EINVAL;
1028 		}
1029 		if (id == CS42L73_ASP) {
1030 			dev_err(codec->dev,
1031 				"PCM format is not supported on ASP port\n");
1032 			return -EINVAL;
1033 		}
1034 		spc |= SPDIF_PCM;
1035 		break;
1036 	default:
1037 		return -EINVAL;
1038 	}
1039 
1040 	if (spc & SPDIF_PCM) {
1041 		/* Clear PCM mode, clear PCM_BIT_ORDER bit for MSB->LSB */
1042 		spc &= ~(PCM_MODE_MASK | PCM_BIT_ORDER);
1043 		switch (format) {
1044 		case SND_SOC_DAIFMT_DSP_B:
1045 			if (inv == SND_SOC_DAIFMT_IB_IF)
1046 				spc |= PCM_MODE0;
1047 			if (inv == SND_SOC_DAIFMT_IB_NF)
1048 				spc |= PCM_MODE1;
1049 		break;
1050 		case SND_SOC_DAIFMT_DSP_A:
1051 			if (inv == SND_SOC_DAIFMT_IB_IF)
1052 				spc |= PCM_MODE1;
1053 			break;
1054 		default:
1055 			return -EINVAL;
1056 		}
1057 	}
1058 
1059 	priv->config[id].spc = spc;
1060 	priv->config[id].mmcc = mmcc;
1061 
1062 	return 0;
1063 }
1064 
1065 static u32 cs42l73_asrc_rates[] = {
1066 	8000, 11025, 12000, 16000, 22050,
1067 	24000, 32000, 44100, 48000
1068 };
1069 
1070 static unsigned int cs42l73_get_xspfs_coeff(u32 rate)
1071 {
1072 	int i;
1073 	for (i = 0; i < ARRAY_SIZE(cs42l73_asrc_rates); i++) {
1074 		if (cs42l73_asrc_rates[i] == rate)
1075 			return i + 1;
1076 	}
1077 	return 0;		/* 0 = Don't know */
1078 }
1079 
1080 static void cs42l73_update_asrc(struct snd_soc_codec *codec, int id, int srate)
1081 {
1082 	u8 spfs = 0;
1083 
1084 	if (srate > 0)
1085 		spfs = cs42l73_get_xspfs_coeff(srate);
1086 
1087 	switch (id) {
1088 	case CS42L73_XSP:
1089 		snd_soc_update_bits(codec, CS42L73_VXSPFS, 0x0f, spfs);
1090 	break;
1091 	case CS42L73_ASP:
1092 		snd_soc_update_bits(codec, CS42L73_ASPC, 0x3c, spfs << 2);
1093 	break;
1094 	case CS42L73_VSP:
1095 		snd_soc_update_bits(codec, CS42L73_VXSPFS, 0xf0, spfs << 4);
1096 	break;
1097 	default:
1098 	break;
1099 	}
1100 }
1101 
1102 static int cs42l73_pcm_hw_params(struct snd_pcm_substream *substream,
1103 				 struct snd_pcm_hw_params *params,
1104 				 struct snd_soc_dai *dai)
1105 {
1106 	struct snd_soc_codec *codec = dai->codec;
1107 	struct cs42l73_private *priv = snd_soc_codec_get_drvdata(codec);
1108 	int id = dai->id;
1109 	int mclk_coeff;
1110 	int srate = params_rate(params);
1111 
1112 	if (priv->config[id].mmcc & MS_MASTER) {
1113 		/* CS42L73 Master */
1114 		/* MCLK -> srate */
1115 		mclk_coeff =
1116 		    cs42l73_get_mclk_coeff(priv->mclk, srate);
1117 
1118 		if (mclk_coeff < 0)
1119 			return -EINVAL;
1120 
1121 		dev_dbg(codec->dev,
1122 			 "DAI[%d]: MCLK %u, srate %u, MMCC[5:0] = %x\n",
1123 			 id, priv->mclk, srate,
1124 			 cs42l73_mclk_coeffs[mclk_coeff].mmcc);
1125 
1126 		priv->config[id].mmcc &= 0xC0;
1127 		priv->config[id].mmcc |= cs42l73_mclk_coeffs[mclk_coeff].mmcc;
1128 		priv->config[id].spc &= 0xFC;
1129 		priv->config[id].spc |= MCK_SCLK_MCLK;
1130 	} else {
1131 		/* CS42L73 Slave */
1132 		priv->config[id].spc &= 0xFC;
1133 		priv->config[id].spc |= MCK_SCLK_64FS;
1134 	}
1135 	/* Update ASRCs */
1136 	priv->config[id].srate = srate;
1137 
1138 	snd_soc_write(codec, CS42L73_SPC(id), priv->config[id].spc);
1139 	snd_soc_write(codec, CS42L73_MMCC(id), priv->config[id].mmcc);
1140 
1141 	cs42l73_update_asrc(codec, id, srate);
1142 
1143 	return 0;
1144 }
1145 
1146 static int cs42l73_set_bias_level(struct snd_soc_codec *codec,
1147 				  enum snd_soc_bias_level level)
1148 {
1149 	struct cs42l73_private *cs42l73 = snd_soc_codec_get_drvdata(codec);
1150 
1151 	switch (level) {
1152 	case SND_SOC_BIAS_ON:
1153 		snd_soc_update_bits(codec, CS42L73_DMMCC, MCLKDIS, 0);
1154 		snd_soc_update_bits(codec, CS42L73_PWRCTL1, PDN, 0);
1155 		break;
1156 
1157 	case SND_SOC_BIAS_PREPARE:
1158 		break;
1159 
1160 	case SND_SOC_BIAS_STANDBY:
1161 		if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
1162 			regcache_cache_only(cs42l73->regmap, false);
1163 			regcache_sync(cs42l73->regmap);
1164 		}
1165 		snd_soc_update_bits(codec, CS42L73_PWRCTL1, PDN, 1);
1166 		break;
1167 
1168 	case SND_SOC_BIAS_OFF:
1169 		snd_soc_update_bits(codec, CS42L73_PWRCTL1, PDN, 1);
1170 		snd_soc_update_bits(codec, CS42L73_DMMCC, MCLKDIS, 1);
1171 		break;
1172 	}
1173 	codec->dapm.bias_level = level;
1174 	return 0;
1175 }
1176 
1177 static int cs42l73_set_tristate(struct snd_soc_dai *dai, int tristate)
1178 {
1179 	struct snd_soc_codec *codec = dai->codec;
1180 	int id = dai->id;
1181 
1182 	return snd_soc_update_bits(codec, CS42L73_SPC(id),
1183 					0x7F, tristate << 7);
1184 }
1185 
1186 static struct snd_pcm_hw_constraint_list constraints_12_24 = {
1187 	.count  = ARRAY_SIZE(cs42l73_asrc_rates),
1188 	.list   = cs42l73_asrc_rates,
1189 };
1190 
1191 static int cs42l73_pcm_startup(struct snd_pcm_substream *substream,
1192 			       struct snd_soc_dai *dai)
1193 {
1194 	snd_pcm_hw_constraint_list(substream->runtime, 0,
1195 					SNDRV_PCM_HW_PARAM_RATE,
1196 					&constraints_12_24);
1197 	return 0;
1198 }
1199 
1200 /* SNDRV_PCM_RATE_KNOT -> 12000, 24000 Hz, limit with constraint list */
1201 #define CS42L73_RATES (SNDRV_PCM_RATE_8000_48000 | SNDRV_PCM_RATE_KNOT)
1202 
1203 
1204 #define CS42L73_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1205 	SNDRV_PCM_FMTBIT_S24_LE)
1206 
1207 static const struct snd_soc_dai_ops cs42l73_ops = {
1208 	.startup = cs42l73_pcm_startup,
1209 	.hw_params = cs42l73_pcm_hw_params,
1210 	.set_fmt = cs42l73_set_dai_fmt,
1211 	.set_sysclk = cs42l73_set_sysclk,
1212 	.set_tristate = cs42l73_set_tristate,
1213 };
1214 
1215 static struct snd_soc_dai_driver cs42l73_dai[] = {
1216 	{
1217 		.name = "cs42l73-xsp",
1218 		.id = CS42L73_XSP,
1219 		.playback = {
1220 			.stream_name = "XSP Playback",
1221 			.channels_min = 1,
1222 			.channels_max = 2,
1223 			.rates = CS42L73_RATES,
1224 			.formats = CS42L73_FORMATS,
1225 		},
1226 		.capture = {
1227 			.stream_name = "XSP Capture",
1228 			.channels_min = 1,
1229 			.channels_max = 2,
1230 			.rates = CS42L73_RATES,
1231 			.formats = CS42L73_FORMATS,
1232 		},
1233 		.ops = &cs42l73_ops,
1234 		.symmetric_rates = 1,
1235 	 },
1236 	{
1237 		.name = "cs42l73-asp",
1238 		.id = CS42L73_ASP,
1239 		.playback = {
1240 			.stream_name = "ASP Playback",
1241 			.channels_min = 2,
1242 			.channels_max = 2,
1243 			.rates = CS42L73_RATES,
1244 			.formats = CS42L73_FORMATS,
1245 		},
1246 		.capture = {
1247 			.stream_name = "ASP Capture",
1248 			.channels_min = 2,
1249 			.channels_max = 2,
1250 			.rates = CS42L73_RATES,
1251 			.formats = CS42L73_FORMATS,
1252 		},
1253 		.ops = &cs42l73_ops,
1254 		.symmetric_rates = 1,
1255 	 },
1256 	{
1257 		.name = "cs42l73-vsp",
1258 		.id = CS42L73_VSP,
1259 		.playback = {
1260 			.stream_name = "VSP Playback",
1261 			.channels_min = 1,
1262 			.channels_max = 2,
1263 			.rates = CS42L73_RATES,
1264 			.formats = CS42L73_FORMATS,
1265 		},
1266 		.capture = {
1267 			.stream_name = "VSP Capture",
1268 			.channels_min = 1,
1269 			.channels_max = 2,
1270 			.rates = CS42L73_RATES,
1271 			.formats = CS42L73_FORMATS,
1272 		},
1273 		.ops = &cs42l73_ops,
1274 		.symmetric_rates = 1,
1275 	 }
1276 };
1277 
1278 static int cs42l73_suspend(struct snd_soc_codec *codec)
1279 {
1280 	cs42l73_set_bias_level(codec, SND_SOC_BIAS_OFF);
1281 
1282 	return 0;
1283 }
1284 
1285 static int cs42l73_resume(struct snd_soc_codec *codec)
1286 {
1287 	cs42l73_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1288 	return 0;
1289 }
1290 
1291 static int cs42l73_probe(struct snd_soc_codec *codec)
1292 {
1293 	int ret;
1294 	struct cs42l73_private *cs42l73 = snd_soc_codec_get_drvdata(codec);
1295 
1296 	codec->control_data = cs42l73->regmap;
1297 
1298 	ret = snd_soc_codec_set_cache_io(codec, 8, 8, SND_SOC_REGMAP);
1299 	if (ret < 0) {
1300 		dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
1301 		return ret;
1302 	}
1303 
1304 	regcache_cache_only(cs42l73->regmap, true);
1305 
1306 	cs42l73_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1307 
1308 	cs42l73->mclksel = CS42L73_CLKID_MCLK1;	/* MCLK1 as master clk */
1309 	cs42l73->mclk = 0;
1310 
1311 	return ret;
1312 }
1313 
1314 static int cs42l73_remove(struct snd_soc_codec *codec)
1315 {
1316 	cs42l73_set_bias_level(codec, SND_SOC_BIAS_OFF);
1317 	return 0;
1318 }
1319 
1320 static struct snd_soc_codec_driver soc_codec_dev_cs42l73 = {
1321 	.probe = cs42l73_probe,
1322 	.remove = cs42l73_remove,
1323 	.suspend = cs42l73_suspend,
1324 	.resume = cs42l73_resume,
1325 	.set_bias_level = cs42l73_set_bias_level,
1326 
1327 	.dapm_widgets = cs42l73_dapm_widgets,
1328 	.num_dapm_widgets = ARRAY_SIZE(cs42l73_dapm_widgets),
1329 	.dapm_routes = cs42l73_audio_map,
1330 	.num_dapm_routes = ARRAY_SIZE(cs42l73_audio_map),
1331 
1332 	.controls = cs42l73_snd_controls,
1333 	.num_controls = ARRAY_SIZE(cs42l73_snd_controls),
1334 };
1335 
1336 static struct regmap_config cs42l73_regmap = {
1337 	.reg_bits = 8,
1338 	.val_bits = 8,
1339 
1340 	.max_register = CS42L73_MAX_REGISTER,
1341 	.reg_defaults = cs42l73_reg_defaults,
1342 	.num_reg_defaults = ARRAY_SIZE(cs42l73_reg_defaults),
1343 	.volatile_reg = cs42l73_volatile_register,
1344 	.readable_reg = cs42l73_readable_register,
1345 	.cache_type = REGCACHE_RBTREE,
1346 };
1347 
1348 static int cs42l73_i2c_probe(struct i2c_client *i2c_client,
1349 			     const struct i2c_device_id *id)
1350 {
1351 	struct cs42l73_private *cs42l73;
1352 	int ret;
1353 	unsigned int devid = 0;
1354 	unsigned int reg;
1355 
1356 	cs42l73 = devm_kzalloc(&i2c_client->dev, sizeof(struct cs42l73_private),
1357 			       GFP_KERNEL);
1358 	if (!cs42l73) {
1359 		dev_err(&i2c_client->dev, "could not allocate codec\n");
1360 		return -ENOMEM;
1361 	}
1362 
1363 	i2c_set_clientdata(i2c_client, cs42l73);
1364 
1365 	cs42l73->regmap = devm_regmap_init_i2c(i2c_client, &cs42l73_regmap);
1366 	if (IS_ERR(cs42l73->regmap)) {
1367 		ret = PTR_ERR(cs42l73->regmap);
1368 		dev_err(&i2c_client->dev, "regmap_init() failed: %d\n", ret);
1369 		return ret;
1370 	}
1371 	/* initialize codec */
1372 	ret = regmap_read(cs42l73->regmap, CS42L73_DEVID_AB, &reg);
1373 	devid = (reg & 0xFF) << 12;
1374 
1375 	ret = regmap_read(cs42l73->regmap, CS42L73_DEVID_CD, &reg);
1376 	devid |= (reg & 0xFF) << 4;
1377 
1378 	ret = regmap_read(cs42l73->regmap, CS42L73_DEVID_E, &reg);
1379 	devid |= (reg & 0xF0) >> 4;
1380 
1381 
1382 	if (devid != CS42L73_DEVID) {
1383 		ret = -ENODEV;
1384 		dev_err(&i2c_client->dev,
1385 			"CS42L73 Device ID (%X). Expected %X\n",
1386 			devid, CS42L73_DEVID);
1387 		return ret;
1388 	}
1389 
1390 	ret = regmap_read(cs42l73->regmap, CS42L73_REVID, &reg);
1391 	if (ret < 0) {
1392 		dev_err(&i2c_client->dev, "Get Revision ID failed\n");
1393 		return ret;;
1394 	}
1395 
1396 	dev_info(&i2c_client->dev,
1397 		 "Cirrus Logic CS42L73, Revision: %02X\n", reg & 0xFF);
1398 
1399 	regcache_cache_only(cs42l73->regmap, true);
1400 
1401 	ret =  snd_soc_register_codec(&i2c_client->dev,
1402 			&soc_codec_dev_cs42l73, cs42l73_dai,
1403 			ARRAY_SIZE(cs42l73_dai));
1404 	if (ret < 0)
1405 		return ret;
1406 	return 0;
1407 }
1408 
1409 static int cs42l73_i2c_remove(struct i2c_client *client)
1410 {
1411 	snd_soc_unregister_codec(&client->dev);
1412 	return 0;
1413 }
1414 
1415 static const struct i2c_device_id cs42l73_id[] = {
1416 	{"cs42l73", 0},
1417 	{}
1418 };
1419 
1420 MODULE_DEVICE_TABLE(i2c, cs42l73_id);
1421 
1422 static struct i2c_driver cs42l73_i2c_driver = {
1423 	.driver = {
1424 		   .name = "cs42l73",
1425 		   .owner = THIS_MODULE,
1426 		   },
1427 	.id_table = cs42l73_id,
1428 	.probe = cs42l73_i2c_probe,
1429 	.remove = cs42l73_i2c_remove,
1430 
1431 };
1432 
1433 module_i2c_driver(cs42l73_i2c_driver);
1434 
1435 MODULE_DESCRIPTION("ASoC CS42L73 driver");
1436 MODULE_AUTHOR("Georgi Vlaev, Nucleus Systems Ltd, <joe@nucleusys.com>");
1437 MODULE_AUTHOR("Brian Austin, Cirrus Logic Inc, <brian.austin@cirrus.com>");
1438 MODULE_LICENSE("GPL");
1439