xref: /openbmc/linux/sound/soc/codecs/mt6358.c (revision 3381df09)
1 // SPDX-License-Identifier: GPL-2.0
2 //
3 // mt6358.c  --  mt6358 ALSA SoC audio codec driver
4 //
5 // Copyright (c) 2018 MediaTek Inc.
6 // Author: KaiChieh Chuang <kaichieh.chuang@mediatek.com>
7 
8 #include <linux/platform_device.h>
9 #include <linux/module.h>
10 #include <linux/of_device.h>
11 #include <linux/delay.h>
12 #include <linux/kthread.h>
13 #include <linux/sched.h>
14 #include <linux/mfd/mt6397/core.h>
15 #include <linux/regulator/consumer.h>
16 
17 #include <sound/soc.h>
18 #include <sound/tlv.h>
19 
20 #include "mt6358.h"
21 
22 enum {
23 	AUDIO_ANALOG_VOLUME_HSOUTL,
24 	AUDIO_ANALOG_VOLUME_HSOUTR,
25 	AUDIO_ANALOG_VOLUME_HPOUTL,
26 	AUDIO_ANALOG_VOLUME_HPOUTR,
27 	AUDIO_ANALOG_VOLUME_LINEOUTL,
28 	AUDIO_ANALOG_VOLUME_LINEOUTR,
29 	AUDIO_ANALOG_VOLUME_MICAMP1,
30 	AUDIO_ANALOG_VOLUME_MICAMP2,
31 	AUDIO_ANALOG_VOLUME_TYPE_MAX
32 };
33 
34 enum {
35 	MUX_ADC_L,
36 	MUX_ADC_R,
37 	MUX_PGA_L,
38 	MUX_PGA_R,
39 	MUX_MIC_TYPE,
40 	MUX_HP_L,
41 	MUX_HP_R,
42 	MUX_NUM,
43 };
44 
45 enum {
46 	DEVICE_HP,
47 	DEVICE_LO,
48 	DEVICE_RCV,
49 	DEVICE_MIC1,
50 	DEVICE_MIC2,
51 	DEVICE_NUM
52 };
53 
54 /* Supply widget subseq */
55 enum {
56 	/* common */
57 	SUPPLY_SEQ_CLK_BUF,
58 	SUPPLY_SEQ_AUD_GLB,
59 	SUPPLY_SEQ_CLKSQ,
60 	SUPPLY_SEQ_VOW_AUD_LPW,
61 	SUPPLY_SEQ_AUD_VOW,
62 	SUPPLY_SEQ_VOW_CLK,
63 	SUPPLY_SEQ_VOW_LDO,
64 	SUPPLY_SEQ_TOP_CK,
65 	SUPPLY_SEQ_TOP_CK_LAST,
66 	SUPPLY_SEQ_AUD_TOP,
67 	SUPPLY_SEQ_AUD_TOP_LAST,
68 	SUPPLY_SEQ_AFE,
69 	/* capture */
70 	SUPPLY_SEQ_ADC_SUPPLY,
71 };
72 
73 enum {
74 	CH_L = 0,
75 	CH_R,
76 	NUM_CH,
77 };
78 
79 #define REG_STRIDE 2
80 
81 struct mt6358_priv {
82 	struct device *dev;
83 	struct regmap *regmap;
84 
85 	unsigned int dl_rate;
86 	unsigned int ul_rate;
87 
88 	int ana_gain[AUDIO_ANALOG_VOLUME_TYPE_MAX];
89 	unsigned int mux_select[MUX_NUM];
90 
91 	int dev_counter[DEVICE_NUM];
92 
93 	int mtkaif_protocol;
94 
95 	struct regulator *avdd_reg;
96 
97 	int wov_enabled;
98 };
99 
100 int mt6358_set_mtkaif_protocol(struct snd_soc_component *cmpnt,
101 			       int mtkaif_protocol)
102 {
103 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
104 
105 	priv->mtkaif_protocol = mtkaif_protocol;
106 	return 0;
107 }
108 
109 static void playback_gpio_set(struct mt6358_priv *priv)
110 {
111 	/* set gpio mosi mode */
112 	regmap_update_bits(priv->regmap, MT6358_GPIO_MODE2_CLR,
113 			   0x01f8, 0x01f8);
114 	regmap_update_bits(priv->regmap, MT6358_GPIO_MODE2_SET,
115 			   0xffff, 0x0249);
116 	regmap_update_bits(priv->regmap, MT6358_GPIO_MODE2,
117 			   0xffff, 0x0249);
118 }
119 
120 static void playback_gpio_reset(struct mt6358_priv *priv)
121 {
122 	/* set pad_aud_*_mosi to GPIO mode and dir input
123 	 * reason:
124 	 * pad_aud_dat_mosi*, because the pin is used as boot strap
125 	 * don't clean clk/sync, for mtkaif protocol 2
126 	 */
127 	regmap_update_bits(priv->regmap, MT6358_GPIO_MODE2_CLR,
128 			   0x01f8, 0x01f8);
129 	regmap_update_bits(priv->regmap, MT6358_GPIO_MODE2,
130 			   0x01f8, 0x0000);
131 	regmap_update_bits(priv->regmap, MT6358_GPIO_DIR0,
132 			   0xf << 8, 0x0);
133 }
134 
135 static void capture_gpio_set(struct mt6358_priv *priv)
136 {
137 	/* set gpio miso mode */
138 	regmap_update_bits(priv->regmap, MT6358_GPIO_MODE3_CLR,
139 			   0xffff, 0xffff);
140 	regmap_update_bits(priv->regmap, MT6358_GPIO_MODE3_SET,
141 			   0xffff, 0x0249);
142 	regmap_update_bits(priv->regmap, MT6358_GPIO_MODE3,
143 			   0xffff, 0x0249);
144 }
145 
146 static void capture_gpio_reset(struct mt6358_priv *priv)
147 {
148 	/* set pad_aud_*_miso to GPIO mode and dir input
149 	 * reason:
150 	 * pad_aud_clk_miso, because when playback only the miso_clk
151 	 * will also have 26m, so will have power leak
152 	 * pad_aud_dat_miso*, because the pin is used as boot strap
153 	 */
154 	regmap_update_bits(priv->regmap, MT6358_GPIO_MODE3_CLR,
155 			   0xffff, 0xffff);
156 	regmap_update_bits(priv->regmap, MT6358_GPIO_MODE3,
157 			   0xffff, 0x0000);
158 	regmap_update_bits(priv->regmap, MT6358_GPIO_DIR0,
159 			   0xf << 12, 0x0);
160 }
161 
162 /* use only when not govern by DAPM */
163 static int mt6358_set_dcxo(struct mt6358_priv *priv, bool enable)
164 {
165 	regmap_update_bits(priv->regmap, MT6358_DCXO_CW14,
166 			   0x1 << RG_XO_AUDIO_EN_M_SFT,
167 			   (enable ? 1 : 0) << RG_XO_AUDIO_EN_M_SFT);
168 	return 0;
169 }
170 
171 /* use only when not govern by DAPM */
172 static int mt6358_set_clksq(struct mt6358_priv *priv, bool enable)
173 {
174 	/* audio clk source from internal dcxo */
175 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON6,
176 			   RG_CLKSQ_IN_SEL_TEST_MASK_SFT,
177 			   0x0);
178 
179 	/* Enable/disable CLKSQ 26MHz */
180 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON6,
181 			   RG_CLKSQ_EN_MASK_SFT,
182 			   (enable ? 1 : 0) << RG_CLKSQ_EN_SFT);
183 	return 0;
184 }
185 
186 /* use only when not govern by DAPM */
187 static int mt6358_set_aud_global_bias(struct mt6358_priv *priv, bool enable)
188 {
189 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON13,
190 			   RG_AUDGLB_PWRDN_VA28_MASK_SFT,
191 			   (enable ? 0 : 1) << RG_AUDGLB_PWRDN_VA28_SFT);
192 	return 0;
193 }
194 
195 /* use only when not govern by DAPM */
196 static int mt6358_set_topck(struct mt6358_priv *priv, bool enable)
197 {
198 	regmap_update_bits(priv->regmap, MT6358_AUD_TOP_CKPDN_CON0,
199 			   0x0066, enable ? 0x0 : 0x66);
200 	return 0;
201 }
202 
203 static int mt6358_mtkaif_tx_enable(struct mt6358_priv *priv)
204 {
205 	switch (priv->mtkaif_protocol) {
206 	case MT6358_MTKAIF_PROTOCOL_2_CLK_P2:
207 		/* MTKAIF TX format setting */
208 		regmap_update_bits(priv->regmap,
209 				   MT6358_AFE_ADDA_MTKAIF_CFG0,
210 				   0xffff, 0x0010);
211 		/* enable aud_pad TX fifos */
212 		regmap_update_bits(priv->regmap,
213 				   MT6358_AFE_AUD_PAD_TOP,
214 				   0xff00, 0x3800);
215 		regmap_update_bits(priv->regmap,
216 				   MT6358_AFE_AUD_PAD_TOP,
217 				   0xff00, 0x3900);
218 		break;
219 	case MT6358_MTKAIF_PROTOCOL_2:
220 		/* MTKAIF TX format setting */
221 		regmap_update_bits(priv->regmap,
222 				   MT6358_AFE_ADDA_MTKAIF_CFG0,
223 				   0xffff, 0x0010);
224 		/* enable aud_pad TX fifos */
225 		regmap_update_bits(priv->regmap,
226 				   MT6358_AFE_AUD_PAD_TOP,
227 				   0xff00, 0x3100);
228 		break;
229 	case MT6358_MTKAIF_PROTOCOL_1:
230 	default:
231 		/* MTKAIF TX format setting */
232 		regmap_update_bits(priv->regmap,
233 				   MT6358_AFE_ADDA_MTKAIF_CFG0,
234 				   0xffff, 0x0000);
235 		/* enable aud_pad TX fifos */
236 		regmap_update_bits(priv->regmap,
237 				   MT6358_AFE_AUD_PAD_TOP,
238 				   0xff00, 0x3100);
239 		break;
240 	}
241 	return 0;
242 }
243 
244 static int mt6358_mtkaif_tx_disable(struct mt6358_priv *priv)
245 {
246 	/* disable aud_pad TX fifos */
247 	regmap_update_bits(priv->regmap, MT6358_AFE_AUD_PAD_TOP,
248 			   0xff00, 0x3000);
249 	return 0;
250 }
251 
252 int mt6358_mtkaif_calibration_enable(struct snd_soc_component *cmpnt)
253 {
254 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
255 
256 	playback_gpio_set(priv);
257 	capture_gpio_set(priv);
258 	mt6358_mtkaif_tx_enable(priv);
259 
260 	mt6358_set_dcxo(priv, true);
261 	mt6358_set_aud_global_bias(priv, true);
262 	mt6358_set_clksq(priv, true);
263 	mt6358_set_topck(priv, true);
264 
265 	/* set dat_miso_loopback on */
266 	regmap_update_bits(priv->regmap, MT6358_AUDIO_DIG_CFG,
267 			   RG_AUD_PAD_TOP_DAT_MISO2_LOOPBACK_MASK_SFT,
268 			   1 << RG_AUD_PAD_TOP_DAT_MISO2_LOOPBACK_SFT);
269 	regmap_update_bits(priv->regmap, MT6358_AUDIO_DIG_CFG,
270 			   RG_AUD_PAD_TOP_DAT_MISO_LOOPBACK_MASK_SFT,
271 			   1 << RG_AUD_PAD_TOP_DAT_MISO_LOOPBACK_SFT);
272 	return 0;
273 }
274 
275 int mt6358_mtkaif_calibration_disable(struct snd_soc_component *cmpnt)
276 {
277 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
278 
279 	/* set dat_miso_loopback off */
280 	regmap_update_bits(priv->regmap, MT6358_AUDIO_DIG_CFG,
281 			   RG_AUD_PAD_TOP_DAT_MISO2_LOOPBACK_MASK_SFT,
282 			   0 << RG_AUD_PAD_TOP_DAT_MISO2_LOOPBACK_SFT);
283 	regmap_update_bits(priv->regmap, MT6358_AUDIO_DIG_CFG,
284 			   RG_AUD_PAD_TOP_DAT_MISO_LOOPBACK_MASK_SFT,
285 			   0 << RG_AUD_PAD_TOP_DAT_MISO_LOOPBACK_SFT);
286 
287 	mt6358_set_topck(priv, false);
288 	mt6358_set_clksq(priv, false);
289 	mt6358_set_aud_global_bias(priv, false);
290 	mt6358_set_dcxo(priv, false);
291 
292 	mt6358_mtkaif_tx_disable(priv);
293 	playback_gpio_reset(priv);
294 	capture_gpio_reset(priv);
295 	return 0;
296 }
297 
298 int mt6358_set_mtkaif_calibration_phase(struct snd_soc_component *cmpnt,
299 					int phase_1, int phase_2)
300 {
301 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
302 
303 	regmap_update_bits(priv->regmap, MT6358_AUDIO_DIG_CFG,
304 			   RG_AUD_PAD_TOP_PHASE_MODE_MASK_SFT,
305 			   phase_1 << RG_AUD_PAD_TOP_PHASE_MODE_SFT);
306 	regmap_update_bits(priv->regmap, MT6358_AUDIO_DIG_CFG,
307 			   RG_AUD_PAD_TOP_PHASE_MODE2_MASK_SFT,
308 			   phase_2 << RG_AUD_PAD_TOP_PHASE_MODE2_SFT);
309 	return 0;
310 }
311 
312 /* dl pga gain */
313 enum {
314 	DL_GAIN_8DB = 0,
315 	DL_GAIN_0DB = 8,
316 	DL_GAIN_N_1DB = 9,
317 	DL_GAIN_N_10DB = 18,
318 	DL_GAIN_N_40DB = 0x1f,
319 };
320 
321 #define DL_GAIN_N_10DB_REG (DL_GAIN_N_10DB << 7 | DL_GAIN_N_10DB)
322 #define DL_GAIN_N_40DB_REG (DL_GAIN_N_40DB << 7 | DL_GAIN_N_40DB)
323 #define DL_GAIN_REG_MASK 0x0f9f
324 
325 static void hp_zcd_disable(struct mt6358_priv *priv)
326 {
327 	regmap_write(priv->regmap, MT6358_ZCD_CON0, 0x0000);
328 }
329 
330 static void hp_main_output_ramp(struct mt6358_priv *priv, bool up)
331 {
332 	int i = 0, stage = 0;
333 	int target = 7;
334 
335 	/* Enable/Reduce HPL/R main output stage step by step */
336 	for (i = 0; i <= target; i++) {
337 		stage = up ? i : target - i;
338 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON1,
339 				   0x7 << 8, stage << 8);
340 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON1,
341 				   0x7 << 11, stage << 11);
342 		usleep_range(100, 150);
343 	}
344 }
345 
346 static void hp_aux_feedback_loop_gain_ramp(struct mt6358_priv *priv, bool up)
347 {
348 	int i = 0, stage = 0;
349 
350 	/* Reduce HP aux feedback loop gain step by step */
351 	for (i = 0; i <= 0xf; i++) {
352 		stage = up ? i : 0xf - i;
353 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON9,
354 				   0xf << 12, stage << 12);
355 		usleep_range(100, 150);
356 	}
357 }
358 
359 static void hp_pull_down(struct mt6358_priv *priv, bool enable)
360 {
361 	int i;
362 
363 	if (enable) {
364 		for (i = 0x0; i <= 0x6; i++) {
365 			regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON4,
366 					   0x7, i);
367 			usleep_range(600, 700);
368 		}
369 	} else {
370 		for (i = 0x6; i >= 0x1; i--) {
371 			regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON4,
372 					   0x7, i);
373 			usleep_range(600, 700);
374 		}
375 	}
376 }
377 
378 static bool is_valid_hp_pga_idx(int reg_idx)
379 {
380 	return (reg_idx >= DL_GAIN_8DB && reg_idx <= DL_GAIN_N_10DB) ||
381 	       reg_idx == DL_GAIN_N_40DB;
382 }
383 
384 static void headset_volume_ramp(struct mt6358_priv *priv, int from, int to)
385 {
386 	int offset = 0, count = 0, reg_idx;
387 
388 	if (!is_valid_hp_pga_idx(from) || !is_valid_hp_pga_idx(to))
389 		dev_warn(priv->dev, "%s(), volume index is not valid, from %d, to %d\n",
390 			 __func__, from, to);
391 
392 	dev_info(priv->dev, "%s(), from %d, to %d\n",
393 		 __func__, from, to);
394 
395 	if (to > from)
396 		offset = to - from;
397 	else
398 		offset = from - to;
399 
400 	while (offset >= 0) {
401 		if (to > from)
402 			reg_idx = from + count;
403 		else
404 			reg_idx = from - count;
405 
406 		if (is_valid_hp_pga_idx(reg_idx)) {
407 			regmap_update_bits(priv->regmap,
408 					   MT6358_ZCD_CON2,
409 					   DL_GAIN_REG_MASK,
410 					   (reg_idx << 7) | reg_idx);
411 			usleep_range(200, 300);
412 		}
413 		offset--;
414 		count++;
415 	}
416 }
417 
418 static int mt6358_put_volsw(struct snd_kcontrol *kcontrol,
419 			    struct snd_ctl_elem_value *ucontrol)
420 {
421 	struct snd_soc_component *component =
422 			snd_soc_kcontrol_component(kcontrol);
423 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(component);
424 	struct soc_mixer_control *mc =
425 			(struct soc_mixer_control *)kcontrol->private_value;
426 	unsigned int reg;
427 	int ret;
428 
429 	ret = snd_soc_put_volsw(kcontrol, ucontrol);
430 	if (ret < 0)
431 		return ret;
432 
433 	switch (mc->reg) {
434 	case MT6358_ZCD_CON2:
435 		regmap_read(priv->regmap, MT6358_ZCD_CON2, &reg);
436 		priv->ana_gain[AUDIO_ANALOG_VOLUME_HPOUTL] =
437 			(reg >> RG_AUDHPLGAIN_SFT) & RG_AUDHPLGAIN_MASK;
438 		priv->ana_gain[AUDIO_ANALOG_VOLUME_HPOUTR] =
439 			(reg >> RG_AUDHPRGAIN_SFT) & RG_AUDHPRGAIN_MASK;
440 		break;
441 	case MT6358_ZCD_CON1:
442 		regmap_read(priv->regmap, MT6358_ZCD_CON1, &reg);
443 		priv->ana_gain[AUDIO_ANALOG_VOLUME_LINEOUTL] =
444 			(reg >> RG_AUDLOLGAIN_SFT) & RG_AUDLOLGAIN_MASK;
445 		priv->ana_gain[AUDIO_ANALOG_VOLUME_LINEOUTR] =
446 			(reg >> RG_AUDLORGAIN_SFT) & RG_AUDLORGAIN_MASK;
447 		break;
448 	case MT6358_ZCD_CON3:
449 		regmap_read(priv->regmap, MT6358_ZCD_CON3, &reg);
450 		priv->ana_gain[AUDIO_ANALOG_VOLUME_HSOUTL] =
451 			(reg >> RG_AUDHSGAIN_SFT) & RG_AUDHSGAIN_MASK;
452 		priv->ana_gain[AUDIO_ANALOG_VOLUME_HSOUTR] =
453 			(reg >> RG_AUDHSGAIN_SFT) & RG_AUDHSGAIN_MASK;
454 		break;
455 	case MT6358_AUDENC_ANA_CON0:
456 	case MT6358_AUDENC_ANA_CON1:
457 		regmap_read(priv->regmap, MT6358_AUDENC_ANA_CON0, &reg);
458 		priv->ana_gain[AUDIO_ANALOG_VOLUME_MICAMP1] =
459 			(reg >> RG_AUDPREAMPLGAIN_SFT) & RG_AUDPREAMPLGAIN_MASK;
460 		regmap_read(priv->regmap, MT6358_AUDENC_ANA_CON1, &reg);
461 		priv->ana_gain[AUDIO_ANALOG_VOLUME_MICAMP2] =
462 			(reg >> RG_AUDPREAMPRGAIN_SFT) & RG_AUDPREAMPRGAIN_MASK;
463 		break;
464 	}
465 
466 	return ret;
467 }
468 
469 static void mt6358_restore_pga(struct mt6358_priv *priv);
470 
471 static int mt6358_enable_wov_phase2(struct mt6358_priv *priv)
472 {
473 	/* analog */
474 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON13,
475 			   0xffff, 0x0000);
476 	regmap_update_bits(priv->regmap, MT6358_DCXO_CW14, 0xffff, 0xa2b5);
477 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
478 			   0xffff, 0x0800);
479 	mt6358_restore_pga(priv);
480 
481 	regmap_update_bits(priv->regmap, MT6358_DCXO_CW13, 0xffff, 0x9929);
482 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON9,
483 			   0xffff, 0x0025);
484 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON8,
485 			   0xffff, 0x0005);
486 
487 	/* digital */
488 	regmap_update_bits(priv->regmap, MT6358_AUD_TOP_CKPDN_CON0,
489 			   0xffff, 0x0000);
490 	regmap_update_bits(priv->regmap, MT6358_GPIO_MODE3, 0xffff, 0x0120);
491 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG0, 0xffff, 0xffff);
492 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG1, 0xffff, 0x0200);
493 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG2, 0xffff, 0x2424);
494 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG3, 0xffff, 0xdbac);
495 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG4, 0xffff, 0x029e);
496 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG5, 0xffff, 0x0000);
497 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_POSDIV_CFG0,
498 			   0xffff, 0x0000);
499 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_HPF_CFG0,
500 			   0xffff, 0x0451);
501 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_TOP, 0xffff, 0x68d1);
502 
503 	return 0;
504 }
505 
506 static int mt6358_disable_wov_phase2(struct mt6358_priv *priv)
507 {
508 	/* digital */
509 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_TOP, 0xffff, 0xc000);
510 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_HPF_CFG0,
511 			   0xffff, 0x0450);
512 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_POSDIV_CFG0,
513 			   0xffff, 0x0c00);
514 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG5, 0xffff, 0x0100);
515 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG4, 0xffff, 0x006c);
516 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG3, 0xffff, 0xa879);
517 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG2, 0xffff, 0x2323);
518 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG1, 0xffff, 0x0400);
519 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG0, 0xffff, 0x0000);
520 	regmap_update_bits(priv->regmap, MT6358_GPIO_MODE3, 0xffff, 0x02d8);
521 	regmap_update_bits(priv->regmap, MT6358_AUD_TOP_CKPDN_CON0,
522 			   0xffff, 0x0000);
523 
524 	/* analog */
525 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON8,
526 			   0xffff, 0x0004);
527 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON9,
528 			   0xffff, 0x0000);
529 	regmap_update_bits(priv->regmap, MT6358_DCXO_CW13, 0xffff, 0x9829);
530 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
531 			   0xffff, 0x0000);
532 	mt6358_restore_pga(priv);
533 	regmap_update_bits(priv->regmap, MT6358_DCXO_CW14, 0xffff, 0xa2b5);
534 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON13,
535 			   0xffff, 0x0010);
536 
537 	return 0;
538 }
539 
540 static int mt6358_get_wov(struct snd_kcontrol *kcontrol,
541 			  struct snd_ctl_elem_value *ucontrol)
542 {
543 	struct snd_soc_component *c = snd_soc_kcontrol_component(kcontrol);
544 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(c);
545 
546 	ucontrol->value.integer.value[0] = priv->wov_enabled;
547 	return 0;
548 }
549 
550 static int mt6358_put_wov(struct snd_kcontrol *kcontrol,
551 			  struct snd_ctl_elem_value *ucontrol)
552 {
553 	struct snd_soc_component *c = snd_soc_kcontrol_component(kcontrol);
554 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(c);
555 	int enabled = ucontrol->value.integer.value[0];
556 
557 	if (priv->wov_enabled != enabled) {
558 		if (enabled)
559 			mt6358_enable_wov_phase2(priv);
560 		else
561 			mt6358_disable_wov_phase2(priv);
562 
563 		priv->wov_enabled = enabled;
564 	}
565 
566 	return 0;
567 }
568 
569 static const DECLARE_TLV_DB_SCALE(playback_tlv, -1000, 100, 0);
570 static const DECLARE_TLV_DB_SCALE(pga_tlv, 0, 600, 0);
571 
572 static const struct snd_kcontrol_new mt6358_snd_controls[] = {
573 	/* dl pga gain */
574 	SOC_DOUBLE_EXT_TLV("Headphone Volume",
575 			   MT6358_ZCD_CON2, 0, 7, 0x12, 1,
576 			   snd_soc_get_volsw, mt6358_put_volsw, playback_tlv),
577 	SOC_DOUBLE_EXT_TLV("Lineout Volume",
578 			   MT6358_ZCD_CON1, 0, 7, 0x12, 1,
579 			   snd_soc_get_volsw, mt6358_put_volsw, playback_tlv),
580 	SOC_SINGLE_EXT_TLV("Handset Volume",
581 			   MT6358_ZCD_CON3, 0, 0x12, 1,
582 			   snd_soc_get_volsw, mt6358_put_volsw, playback_tlv),
583 	/* ul pga gain */
584 	SOC_DOUBLE_R_EXT_TLV("PGA Volume",
585 			     MT6358_AUDENC_ANA_CON0, MT6358_AUDENC_ANA_CON1,
586 			     8, 4, 0,
587 			     snd_soc_get_volsw, mt6358_put_volsw, pga_tlv),
588 
589 	SOC_SINGLE_BOOL_EXT("Wake-on-Voice Phase2 Switch", 0,
590 			    mt6358_get_wov, mt6358_put_wov),
591 };
592 
593 /* MUX */
594 /* LOL MUX */
595 static const char * const lo_in_mux_map[] = {
596 	"Open", "Mute", "Playback", "Test Mode"
597 };
598 
599 static int lo_in_mux_map_value[] = {
600 	0x0, 0x1, 0x2, 0x3,
601 };
602 
603 static SOC_VALUE_ENUM_SINGLE_DECL(lo_in_mux_map_enum,
604 				  MT6358_AUDDEC_ANA_CON7,
605 				  RG_AUDLOLMUXINPUTSEL_VAUDP15_SFT,
606 				  RG_AUDLOLMUXINPUTSEL_VAUDP15_MASK,
607 				  lo_in_mux_map,
608 				  lo_in_mux_map_value);
609 
610 static const struct snd_kcontrol_new lo_in_mux_control =
611 	SOC_DAPM_ENUM("In Select", lo_in_mux_map_enum);
612 
613 /*HP MUX */
614 enum {
615 	HP_MUX_OPEN = 0,
616 	HP_MUX_HPSPK,
617 	HP_MUX_HP,
618 	HP_MUX_TEST_MODE,
619 	HP_MUX_HP_IMPEDANCE,
620 	HP_MUX_MASK = 0x7,
621 };
622 
623 static const char * const hp_in_mux_map[] = {
624 	"Open",
625 	"LoudSPK Playback",
626 	"Audio Playback",
627 	"Test Mode",
628 	"HP Impedance",
629 	"undefined1",
630 	"undefined2",
631 	"undefined3",
632 };
633 
634 static int hp_in_mux_map_value[] = {
635 	HP_MUX_OPEN,
636 	HP_MUX_HPSPK,
637 	HP_MUX_HP,
638 	HP_MUX_TEST_MODE,
639 	HP_MUX_HP_IMPEDANCE,
640 	HP_MUX_OPEN,
641 	HP_MUX_OPEN,
642 	HP_MUX_OPEN,
643 };
644 
645 static SOC_VALUE_ENUM_SINGLE_DECL(hpl_in_mux_map_enum,
646 				  SND_SOC_NOPM,
647 				  0,
648 				  HP_MUX_MASK,
649 				  hp_in_mux_map,
650 				  hp_in_mux_map_value);
651 
652 static const struct snd_kcontrol_new hpl_in_mux_control =
653 	SOC_DAPM_ENUM("HPL Select", hpl_in_mux_map_enum);
654 
655 static SOC_VALUE_ENUM_SINGLE_DECL(hpr_in_mux_map_enum,
656 				  SND_SOC_NOPM,
657 				  0,
658 				  HP_MUX_MASK,
659 				  hp_in_mux_map,
660 				  hp_in_mux_map_value);
661 
662 static const struct snd_kcontrol_new hpr_in_mux_control =
663 	SOC_DAPM_ENUM("HPR Select", hpr_in_mux_map_enum);
664 
665 /* RCV MUX */
666 enum {
667 	RCV_MUX_OPEN = 0,
668 	RCV_MUX_MUTE,
669 	RCV_MUX_VOICE_PLAYBACK,
670 	RCV_MUX_TEST_MODE,
671 	RCV_MUX_MASK = 0x3,
672 };
673 
674 static const char * const rcv_in_mux_map[] = {
675 	"Open", "Mute", "Voice Playback", "Test Mode"
676 };
677 
678 static int rcv_in_mux_map_value[] = {
679 	RCV_MUX_OPEN,
680 	RCV_MUX_MUTE,
681 	RCV_MUX_VOICE_PLAYBACK,
682 	RCV_MUX_TEST_MODE,
683 };
684 
685 static SOC_VALUE_ENUM_SINGLE_DECL(rcv_in_mux_map_enum,
686 				  SND_SOC_NOPM,
687 				  0,
688 				  RCV_MUX_MASK,
689 				  rcv_in_mux_map,
690 				  rcv_in_mux_map_value);
691 
692 static const struct snd_kcontrol_new rcv_in_mux_control =
693 	SOC_DAPM_ENUM("RCV Select", rcv_in_mux_map_enum);
694 
695 /* DAC In MUX */
696 static const char * const dac_in_mux_map[] = {
697 	"Normal Path", "Sgen"
698 };
699 
700 static int dac_in_mux_map_value[] = {
701 	0x0, 0x1,
702 };
703 
704 static SOC_VALUE_ENUM_SINGLE_DECL(dac_in_mux_map_enum,
705 				  MT6358_AFE_TOP_CON0,
706 				  DL_SINE_ON_SFT,
707 				  DL_SINE_ON_MASK,
708 				  dac_in_mux_map,
709 				  dac_in_mux_map_value);
710 
711 static const struct snd_kcontrol_new dac_in_mux_control =
712 	SOC_DAPM_ENUM("DAC Select", dac_in_mux_map_enum);
713 
714 /* AIF Out MUX */
715 static SOC_VALUE_ENUM_SINGLE_DECL(aif_out_mux_map_enum,
716 				  MT6358_AFE_TOP_CON0,
717 				  UL_SINE_ON_SFT,
718 				  UL_SINE_ON_MASK,
719 				  dac_in_mux_map,
720 				  dac_in_mux_map_value);
721 
722 static const struct snd_kcontrol_new aif_out_mux_control =
723 	SOC_DAPM_ENUM("AIF Out Select", aif_out_mux_map_enum);
724 
725 /* Mic Type MUX */
726 enum {
727 	MIC_TYPE_MUX_IDLE = 0,
728 	MIC_TYPE_MUX_ACC,
729 	MIC_TYPE_MUX_DMIC,
730 	MIC_TYPE_MUX_DCC,
731 	MIC_TYPE_MUX_DCC_ECM_DIFF,
732 	MIC_TYPE_MUX_DCC_ECM_SINGLE,
733 	MIC_TYPE_MUX_MASK = 0x7,
734 };
735 
736 #define IS_DCC_BASE(type) ((type) == MIC_TYPE_MUX_DCC || \
737 			(type) == MIC_TYPE_MUX_DCC_ECM_DIFF || \
738 			(type) == MIC_TYPE_MUX_DCC_ECM_SINGLE)
739 
740 static const char * const mic_type_mux_map[] = {
741 	"Idle",
742 	"ACC",
743 	"DMIC",
744 	"DCC",
745 	"DCC_ECM_DIFF",
746 	"DCC_ECM_SINGLE",
747 };
748 
749 static int mic_type_mux_map_value[] = {
750 	MIC_TYPE_MUX_IDLE,
751 	MIC_TYPE_MUX_ACC,
752 	MIC_TYPE_MUX_DMIC,
753 	MIC_TYPE_MUX_DCC,
754 	MIC_TYPE_MUX_DCC_ECM_DIFF,
755 	MIC_TYPE_MUX_DCC_ECM_SINGLE,
756 };
757 
758 static SOC_VALUE_ENUM_SINGLE_DECL(mic_type_mux_map_enum,
759 				  SND_SOC_NOPM,
760 				  0,
761 				  MIC_TYPE_MUX_MASK,
762 				  mic_type_mux_map,
763 				  mic_type_mux_map_value);
764 
765 static const struct snd_kcontrol_new mic_type_mux_control =
766 	SOC_DAPM_ENUM("Mic Type Select", mic_type_mux_map_enum);
767 
768 /* ADC L MUX */
769 enum {
770 	ADC_MUX_IDLE = 0,
771 	ADC_MUX_AIN0,
772 	ADC_MUX_PREAMPLIFIER,
773 	ADC_MUX_IDLE1,
774 	ADC_MUX_MASK = 0x3,
775 };
776 
777 static const char * const adc_left_mux_map[] = {
778 	"Idle", "AIN0", "Left Preamplifier", "Idle_1"
779 };
780 
781 static int adc_mux_map_value[] = {
782 	ADC_MUX_IDLE,
783 	ADC_MUX_AIN0,
784 	ADC_MUX_PREAMPLIFIER,
785 	ADC_MUX_IDLE1,
786 };
787 
788 static SOC_VALUE_ENUM_SINGLE_DECL(adc_left_mux_map_enum,
789 				  SND_SOC_NOPM,
790 				  0,
791 				  ADC_MUX_MASK,
792 				  adc_left_mux_map,
793 				  adc_mux_map_value);
794 
795 static const struct snd_kcontrol_new adc_left_mux_control =
796 	SOC_DAPM_ENUM("ADC L Select", adc_left_mux_map_enum);
797 
798 /* ADC R MUX */
799 static const char * const adc_right_mux_map[] = {
800 	"Idle", "AIN0", "Right Preamplifier", "Idle_1"
801 };
802 
803 static SOC_VALUE_ENUM_SINGLE_DECL(adc_right_mux_map_enum,
804 				  SND_SOC_NOPM,
805 				  0,
806 				  ADC_MUX_MASK,
807 				  adc_right_mux_map,
808 				  adc_mux_map_value);
809 
810 static const struct snd_kcontrol_new adc_right_mux_control =
811 	SOC_DAPM_ENUM("ADC R Select", adc_right_mux_map_enum);
812 
813 /* PGA L MUX */
814 enum {
815 	PGA_MUX_NONE = 0,
816 	PGA_MUX_AIN0,
817 	PGA_MUX_AIN1,
818 	PGA_MUX_AIN2,
819 	PGA_MUX_MASK = 0x3,
820 };
821 
822 static const char * const pga_mux_map[] = {
823 	"None", "AIN0", "AIN1", "AIN2"
824 };
825 
826 static int pga_mux_map_value[] = {
827 	PGA_MUX_NONE,
828 	PGA_MUX_AIN0,
829 	PGA_MUX_AIN1,
830 	PGA_MUX_AIN2,
831 };
832 
833 static SOC_VALUE_ENUM_SINGLE_DECL(pga_left_mux_map_enum,
834 				  SND_SOC_NOPM,
835 				  0,
836 				  PGA_MUX_MASK,
837 				  pga_mux_map,
838 				  pga_mux_map_value);
839 
840 static const struct snd_kcontrol_new pga_left_mux_control =
841 	SOC_DAPM_ENUM("PGA L Select", pga_left_mux_map_enum);
842 
843 /* PGA R MUX */
844 static SOC_VALUE_ENUM_SINGLE_DECL(pga_right_mux_map_enum,
845 				  SND_SOC_NOPM,
846 				  0,
847 				  PGA_MUX_MASK,
848 				  pga_mux_map,
849 				  pga_mux_map_value);
850 
851 static const struct snd_kcontrol_new pga_right_mux_control =
852 	SOC_DAPM_ENUM("PGA R Select", pga_right_mux_map_enum);
853 
854 static int mt_clksq_event(struct snd_soc_dapm_widget *w,
855 			  struct snd_kcontrol *kcontrol,
856 			  int event)
857 {
858 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
859 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
860 
861 	dev_dbg(priv->dev, "%s(), event = 0x%x\n", __func__, event);
862 
863 	switch (event) {
864 	case SND_SOC_DAPM_PRE_PMU:
865 		/* audio clk source from internal dcxo */
866 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON6,
867 				   RG_CLKSQ_IN_SEL_TEST_MASK_SFT,
868 				   0x0);
869 		break;
870 	default:
871 		break;
872 	}
873 
874 	return 0;
875 }
876 
877 static int mt_sgen_event(struct snd_soc_dapm_widget *w,
878 			 struct snd_kcontrol *kcontrol,
879 			 int event)
880 {
881 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
882 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
883 
884 	dev_dbg(priv->dev, "%s(), event = 0x%x\n", __func__, event);
885 
886 	switch (event) {
887 	case SND_SOC_DAPM_PRE_PMU:
888 		/* sdm audio fifo clock power on */
889 		regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON2, 0x0006);
890 		/* scrambler clock on enable */
891 		regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON0, 0xCBA1);
892 		/* sdm power on */
893 		regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON2, 0x0003);
894 		/* sdm fifo enable */
895 		regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON2, 0x000B);
896 
897 		regmap_update_bits(priv->regmap, MT6358_AFE_SGEN_CFG0,
898 				   0xff3f,
899 				   0x0000);
900 		regmap_update_bits(priv->regmap, MT6358_AFE_SGEN_CFG1,
901 				   0xffff,
902 				   0x0001);
903 		break;
904 	case SND_SOC_DAPM_POST_PMD:
905 		/* DL scrambler disabling sequence */
906 		regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON2, 0x0000);
907 		regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON0, 0xcba0);
908 		break;
909 	default:
910 		break;
911 	}
912 
913 	return 0;
914 }
915 
916 static int mt_aif_in_event(struct snd_soc_dapm_widget *w,
917 			   struct snd_kcontrol *kcontrol,
918 			   int event)
919 {
920 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
921 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
922 
923 	dev_info(priv->dev, "%s(), event 0x%x, rate %d\n",
924 		 __func__, event, priv->dl_rate);
925 
926 	switch (event) {
927 	case SND_SOC_DAPM_PRE_PMU:
928 		playback_gpio_set(priv);
929 
930 		/* sdm audio fifo clock power on */
931 		regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON2, 0x0006);
932 		/* scrambler clock on enable */
933 		regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON0, 0xCBA1);
934 		/* sdm power on */
935 		regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON2, 0x0003);
936 		/* sdm fifo enable */
937 		regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON2, 0x000B);
938 		break;
939 	case SND_SOC_DAPM_POST_PMD:
940 		/* DL scrambler disabling sequence */
941 		regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON2, 0x0000);
942 		regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON0, 0xcba0);
943 
944 		playback_gpio_reset(priv);
945 		break;
946 	default:
947 		break;
948 	}
949 
950 	return 0;
951 }
952 
953 static int mtk_hp_enable(struct mt6358_priv *priv)
954 {
955 	/* Pull-down HPL/R to AVSS28_AUD */
956 	hp_pull_down(priv, true);
957 	/* release HP CMFB gate rstb */
958 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON4,
959 			   0x1 << 6, 0x1 << 6);
960 
961 	/* Reduce ESD resistance of AU_REFN */
962 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON2, 0x4000);
963 
964 	/* Set HPR/HPL gain as minimum (~ -40dB) */
965 	regmap_write(priv->regmap, MT6358_ZCD_CON2, DL_GAIN_N_40DB_REG);
966 
967 	/* Turn on DA_600K_NCP_VA18 */
968 	regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON1, 0x0001);
969 	/* Set NCP clock as 604kHz // 26MHz/43 = 604KHz */
970 	regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON2, 0x002c);
971 	/* Toggle RG_DIVCKS_CHG */
972 	regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON0, 0x0001);
973 	/* Set NCP soft start mode as default mode: 100us */
974 	regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON4, 0x0003);
975 	/* Enable NCP */
976 	regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON3, 0x0000);
977 	usleep_range(250, 270);
978 
979 	/* Enable cap-less LDOs (1.5V) */
980 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON14,
981 			   0x1055, 0x1055);
982 	/* Enable NV regulator (-1.2V) */
983 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON15, 0x0001);
984 	usleep_range(100, 120);
985 
986 	/* Disable AUD_ZCD */
987 	hp_zcd_disable(priv);
988 
989 	/* Disable headphone short-circuit protection */
990 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON0, 0x3000);
991 
992 	/* Enable IBIST */
993 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON12, 0x0055);
994 
995 	/* Set HP DR bias current optimization, 010: 6uA */
996 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON11, 0x4900);
997 	/* Set HP & ZCD bias current optimization */
998 	/* 01: ZCD: 4uA, HP/HS/LO: 5uA */
999 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON12, 0x0055);
1000 	/* Set HPP/N STB enhance circuits */
1001 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON2, 0x4033);
1002 
1003 	/* Enable HP aux output stage */
1004 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x000c);
1005 	/* Enable HP aux feedback loop */
1006 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x003c);
1007 	/* Enable HP aux CMFB loop */
1008 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON9, 0x0c00);
1009 	/* Enable HP driver bias circuits */
1010 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON0, 0x30c0);
1011 	/* Enable HP driver core circuits */
1012 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON0, 0x30f0);
1013 	/* Short HP main output to HP aux output stage */
1014 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x00fc);
1015 
1016 	/* Enable HP main CMFB loop */
1017 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON9, 0x0e00);
1018 	/* Disable HP aux CMFB loop */
1019 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON9, 0x0200);
1020 
1021 	/* Select CMFB resistor bulk to AC mode */
1022 	/* Selec HS/LO cap size (6.5pF default) */
1023 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON10, 0x0000);
1024 
1025 	/* Enable HP main output stage */
1026 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x00ff);
1027 	/* Enable HPR/L main output stage step by step */
1028 	hp_main_output_ramp(priv, true);
1029 
1030 	/* Reduce HP aux feedback loop gain */
1031 	hp_aux_feedback_loop_gain_ramp(priv, true);
1032 	/* Disable HP aux feedback loop */
1033 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x3fcf);
1034 
1035 	/* apply volume setting */
1036 	headset_volume_ramp(priv,
1037 			    DL_GAIN_N_10DB,
1038 			    priv->ana_gain[AUDIO_ANALOG_VOLUME_HPOUTL]);
1039 
1040 	/* Disable HP aux output stage */
1041 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x3fc3);
1042 	/* Unshort HP main output to HP aux output stage */
1043 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x3f03);
1044 	usleep_range(100, 120);
1045 
1046 	/* Enable AUD_CLK */
1047 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON13, 0x1, 0x1);
1048 	/* Enable Audio DAC  */
1049 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON0, 0x30ff);
1050 	/* Enable low-noise mode of DAC */
1051 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON9, 0xf201);
1052 	usleep_range(100, 120);
1053 
1054 	/* Switch HPL MUX to audio DAC */
1055 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON0, 0x32ff);
1056 	/* Switch HPR MUX to audio DAC */
1057 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON0, 0x3aff);
1058 
1059 	/* Disable Pull-down HPL/R to AVSS28_AUD */
1060 	hp_pull_down(priv, false);
1061 
1062 	return 0;
1063 }
1064 
1065 static int mtk_hp_disable(struct mt6358_priv *priv)
1066 {
1067 	/* Pull-down HPL/R to AVSS28_AUD */
1068 	hp_pull_down(priv, true);
1069 
1070 	/* HPR/HPL mux to open */
1071 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON0,
1072 			   0x0f00, 0x0000);
1073 
1074 	/* Disable low-noise mode of DAC */
1075 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON9,
1076 			   0x0001, 0x0000);
1077 
1078 	/* Disable Audio DAC */
1079 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON0,
1080 			   0x000f, 0x0000);
1081 
1082 	/* Disable AUD_CLK */
1083 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON13, 0x1, 0x0);
1084 
1085 	/* Short HP main output to HP aux output stage */
1086 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x3fc3);
1087 	/* Enable HP aux output stage */
1088 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x3fcf);
1089 
1090 	/* decrease HPL/R gain to normal gain step by step */
1091 	headset_volume_ramp(priv,
1092 			    priv->ana_gain[AUDIO_ANALOG_VOLUME_HPOUTL],
1093 			    DL_GAIN_N_40DB);
1094 
1095 	/* Enable HP aux feedback loop */
1096 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x3fff);
1097 
1098 	/* Reduce HP aux feedback loop gain */
1099 	hp_aux_feedback_loop_gain_ramp(priv, false);
1100 
1101 	/* decrease HPR/L main output stage step by step */
1102 	hp_main_output_ramp(priv, false);
1103 
1104 	/* Disable HP main output stage */
1105 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x3, 0x0);
1106 
1107 	/* Enable HP aux CMFB loop */
1108 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON9, 0x0e00);
1109 
1110 	/* Disable HP main CMFB loop */
1111 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON9, 0x0c00);
1112 
1113 	/* Unshort HP main output to HP aux output stage */
1114 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON1,
1115 			   0x3 << 6, 0x0);
1116 
1117 	/* Disable HP driver core circuits */
1118 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON0,
1119 			   0x3 << 4, 0x0);
1120 
1121 	/* Disable HP driver bias circuits */
1122 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON0,
1123 			   0x3 << 6, 0x0);
1124 
1125 	/* Disable HP aux CMFB loop */
1126 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON9, 0x0000);
1127 
1128 	/* Disable HP aux feedback loop */
1129 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON1,
1130 			   0x3 << 4, 0x0);
1131 
1132 	/* Disable HP aux output stage */
1133 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON1,
1134 			   0x3 << 2, 0x0);
1135 
1136 	/* Disable IBIST */
1137 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON12,
1138 			   0x1 << 8, 0x1 << 8);
1139 
1140 	/* Disable NV regulator (-1.2V) */
1141 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON15, 0x1, 0x0);
1142 	/* Disable cap-less LDOs (1.5V) */
1143 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON14,
1144 			   0x1055, 0x0);
1145 	/* Disable NCP */
1146 	regmap_update_bits(priv->regmap, MT6358_AUDNCP_CLKDIV_CON3,
1147 			   0x1, 0x1);
1148 
1149 	/* Increase ESD resistance of AU_REFN */
1150 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON2,
1151 			   0x1 << 14, 0x0);
1152 
1153 	/* Set HP CMFB gate rstb */
1154 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON4,
1155 			   0x1 << 6, 0x0);
1156 	/* disable Pull-down HPL/R to AVSS28_AUD */
1157 	hp_pull_down(priv, false);
1158 
1159 	return 0;
1160 }
1161 
1162 static int mtk_hp_spk_enable(struct mt6358_priv *priv)
1163 {
1164 	/* Pull-down HPL/R to AVSS28_AUD */
1165 	hp_pull_down(priv, true);
1166 	/* release HP CMFB gate rstb */
1167 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON4,
1168 			   0x1 << 6, 0x1 << 6);
1169 
1170 	/* Reduce ESD resistance of AU_REFN */
1171 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON2, 0x4000);
1172 
1173 	/* Set HPR/HPL gain to -10dB */
1174 	regmap_write(priv->regmap, MT6358_ZCD_CON2, DL_GAIN_N_10DB_REG);
1175 
1176 	/* Turn on DA_600K_NCP_VA18 */
1177 	regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON1, 0x0001);
1178 	/* Set NCP clock as 604kHz // 26MHz/43 = 604KHz */
1179 	regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON2, 0x002c);
1180 	/* Toggle RG_DIVCKS_CHG */
1181 	regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON0, 0x0001);
1182 	/* Set NCP soft start mode as default mode: 100us */
1183 	regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON4, 0x0003);
1184 	/* Enable NCP */
1185 	regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON3, 0x0000);
1186 	usleep_range(250, 270);
1187 
1188 	/* Enable cap-less LDOs (1.5V) */
1189 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON14,
1190 			   0x1055, 0x1055);
1191 	/* Enable NV regulator (-1.2V) */
1192 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON15, 0x0001);
1193 	usleep_range(100, 120);
1194 
1195 	/* Disable AUD_ZCD */
1196 	hp_zcd_disable(priv);
1197 
1198 	/* Disable headphone short-circuit protection */
1199 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON0, 0x3000);
1200 
1201 	/* Enable IBIST */
1202 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON12, 0x0055);
1203 
1204 	/* Set HP DR bias current optimization, 010: 6uA */
1205 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON11, 0x4900);
1206 	/* Set HP & ZCD bias current optimization */
1207 	/* 01: ZCD: 4uA, HP/HS/LO: 5uA */
1208 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON12, 0x0055);
1209 	/* Set HPP/N STB enhance circuits */
1210 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON2, 0x4033);
1211 
1212 	/* Disable Pull-down HPL/R to AVSS28_AUD */
1213 	hp_pull_down(priv, false);
1214 
1215 	/* Enable HP driver bias circuits */
1216 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON0, 0x30c0);
1217 	/* Enable HP driver core circuits */
1218 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON0, 0x30f0);
1219 	/* Enable HP main CMFB loop */
1220 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON9, 0x0200);
1221 
1222 	/* Select CMFB resistor bulk to AC mode */
1223 	/* Selec HS/LO cap size (6.5pF default) */
1224 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON10, 0x0000);
1225 
1226 	/* Enable HP main output stage */
1227 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x0003);
1228 	/* Enable HPR/L main output stage step by step */
1229 	hp_main_output_ramp(priv, true);
1230 
1231 	/* Set LO gain as minimum (~ -40dB) */
1232 	regmap_write(priv->regmap, MT6358_ZCD_CON1, DL_GAIN_N_40DB_REG);
1233 	/* apply volume setting */
1234 	headset_volume_ramp(priv,
1235 			    DL_GAIN_N_10DB,
1236 			    priv->ana_gain[AUDIO_ANALOG_VOLUME_HPOUTL]);
1237 
1238 	/* Set LO STB enhance circuits */
1239 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON7, 0x0110);
1240 	/* Enable LO driver bias circuits */
1241 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON7, 0x0112);
1242 	/* Enable LO driver core circuits */
1243 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON7, 0x0113);
1244 
1245 	/* Set LOL gain to normal gain step by step */
1246 	regmap_update_bits(priv->regmap, MT6358_ZCD_CON1,
1247 			   RG_AUDLOLGAIN_MASK_SFT,
1248 			   priv->ana_gain[AUDIO_ANALOG_VOLUME_LINEOUTL] <<
1249 			   RG_AUDLOLGAIN_SFT);
1250 	regmap_update_bits(priv->regmap, MT6358_ZCD_CON1,
1251 			   RG_AUDLORGAIN_MASK_SFT,
1252 			   priv->ana_gain[AUDIO_ANALOG_VOLUME_LINEOUTR] <<
1253 			   RG_AUDLORGAIN_SFT);
1254 
1255 	/* Enable AUD_CLK */
1256 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON13, 0x1, 0x1);
1257 	/* Enable Audio DAC  */
1258 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON0, 0x30f9);
1259 	/* Enable low-noise mode of DAC */
1260 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON9, 0x0201);
1261 	/* Switch LOL MUX to audio DAC */
1262 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON7, 0x011b);
1263 	/* Switch HPL/R MUX to Line-out */
1264 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON0, 0x35f9);
1265 
1266 	return 0;
1267 }
1268 
1269 static int mtk_hp_spk_disable(struct mt6358_priv *priv)
1270 {
1271 	/* HPR/HPL mux to open */
1272 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON0,
1273 			   0x0f00, 0x0000);
1274 	/* LOL mux to open */
1275 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON7,
1276 			   0x3 << 2, 0x0000);
1277 
1278 	/* Disable Audio DAC */
1279 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON0,
1280 			   0x000f, 0x0000);
1281 
1282 	/* Disable AUD_CLK */
1283 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON13, 0x1, 0x0);
1284 
1285 	/* decrease HPL/R gain to normal gain step by step */
1286 	headset_volume_ramp(priv,
1287 			    priv->ana_gain[AUDIO_ANALOG_VOLUME_HPOUTL],
1288 			    DL_GAIN_N_40DB);
1289 
1290 	/* decrease LOL gain to minimum gain step by step */
1291 	regmap_update_bits(priv->regmap, MT6358_ZCD_CON1,
1292 			   DL_GAIN_REG_MASK, DL_GAIN_N_40DB_REG);
1293 
1294 	/* decrease HPR/L main output stage step by step */
1295 	hp_main_output_ramp(priv, false);
1296 
1297 	/* Disable HP main output stage */
1298 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x3, 0x0);
1299 
1300 	/* Short HP main output to HP aux output stage */
1301 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x3fc3);
1302 	/* Enable HP aux output stage */
1303 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x3fcf);
1304 
1305 	/* Enable HP aux feedback loop */
1306 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x3fff);
1307 
1308 	/* Reduce HP aux feedback loop gain */
1309 	hp_aux_feedback_loop_gain_ramp(priv, false);
1310 
1311 	/* Disable HP driver core circuits */
1312 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON0,
1313 			   0x3 << 4, 0x0);
1314 	/* Disable LO driver core circuits */
1315 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON7,
1316 			   0x1, 0x0);
1317 
1318 	/* Disable HP driver bias circuits */
1319 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON0,
1320 			   0x3 << 6, 0x0);
1321 	/* Disable LO driver bias circuits */
1322 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON7,
1323 			   0x1 << 1, 0x0);
1324 
1325 	/* Disable HP aux CMFB loop */
1326 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON9,
1327 			   0xff << 8, 0x0000);
1328 
1329 	/* Disable IBIST */
1330 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON12,
1331 			   0x1 << 8, 0x1 << 8);
1332 	/* Disable NV regulator (-1.2V) */
1333 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON15, 0x1, 0x0);
1334 	/* Disable cap-less LDOs (1.5V) */
1335 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON14, 0x1055, 0x0);
1336 	/* Disable NCP */
1337 	regmap_update_bits(priv->regmap, MT6358_AUDNCP_CLKDIV_CON3, 0x1, 0x1);
1338 
1339 	/* Set HP CMFB gate rstb */
1340 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON4,
1341 			   0x1 << 6, 0x0);
1342 	/* disable Pull-down HPL/R to AVSS28_AUD */
1343 	hp_pull_down(priv, false);
1344 
1345 	return 0;
1346 }
1347 
1348 static int mt_hp_event(struct snd_soc_dapm_widget *w,
1349 		       struct snd_kcontrol *kcontrol,
1350 		       int event)
1351 {
1352 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
1353 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
1354 	unsigned int mux = dapm_kcontrol_get_value(w->kcontrols[0]);
1355 	int device = DEVICE_HP;
1356 
1357 	dev_info(priv->dev, "%s(), event 0x%x, dev_counter[DEV_HP] %d, mux %u\n",
1358 		 __func__,
1359 		 event,
1360 		 priv->dev_counter[device],
1361 		 mux);
1362 
1363 	switch (event) {
1364 	case SND_SOC_DAPM_PRE_PMU:
1365 		priv->dev_counter[device]++;
1366 		if (priv->dev_counter[device] > 1)
1367 			break;	/* already enabled, do nothing */
1368 		else if (priv->dev_counter[device] <= 0)
1369 			dev_warn(priv->dev, "%s(), dev_counter[DEV_HP] %d <= 0\n",
1370 				 __func__,
1371 				 priv->dev_counter[device]);
1372 
1373 		priv->mux_select[MUX_HP_L] = mux;
1374 
1375 		if (mux == HP_MUX_HP)
1376 			mtk_hp_enable(priv);
1377 		else if (mux == HP_MUX_HPSPK)
1378 			mtk_hp_spk_enable(priv);
1379 		break;
1380 	case SND_SOC_DAPM_PRE_PMD:
1381 		priv->dev_counter[device]--;
1382 		if (priv->dev_counter[device] > 0) {
1383 			break;	/* still being used, don't close */
1384 		} else if (priv->dev_counter[device] < 0) {
1385 			dev_warn(priv->dev, "%s(), dev_counter[DEV_HP] %d < 0\n",
1386 				 __func__,
1387 				 priv->dev_counter[device]);
1388 			priv->dev_counter[device] = 0;
1389 			break;
1390 		}
1391 
1392 		if (priv->mux_select[MUX_HP_L] == HP_MUX_HP)
1393 			mtk_hp_disable(priv);
1394 		else if (priv->mux_select[MUX_HP_L] == HP_MUX_HPSPK)
1395 			mtk_hp_spk_disable(priv);
1396 
1397 		priv->mux_select[MUX_HP_L] = mux;
1398 		break;
1399 	default:
1400 		break;
1401 	}
1402 
1403 	return 0;
1404 }
1405 
1406 static int mt_rcv_event(struct snd_soc_dapm_widget *w,
1407 			struct snd_kcontrol *kcontrol,
1408 			int event)
1409 {
1410 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
1411 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
1412 
1413 	dev_info(priv->dev, "%s(), event 0x%x, mux %u\n",
1414 		 __func__,
1415 		 event,
1416 		 dapm_kcontrol_get_value(w->kcontrols[0]));
1417 
1418 	switch (event) {
1419 	case SND_SOC_DAPM_PRE_PMU:
1420 		/* Reduce ESD resistance of AU_REFN */
1421 		regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON2, 0x4000);
1422 
1423 		/* Turn on DA_600K_NCP_VA18 */
1424 		regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON1, 0x0001);
1425 		/* Set NCP clock as 604kHz // 26MHz/43 = 604KHz */
1426 		regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON2, 0x002c);
1427 		/* Toggle RG_DIVCKS_CHG */
1428 		regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON0, 0x0001);
1429 		/* Set NCP soft start mode as default mode: 100us */
1430 		regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON4, 0x0003);
1431 		/* Enable NCP */
1432 		regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON3, 0x0000);
1433 		usleep_range(250, 270);
1434 
1435 		/* Enable cap-less LDOs (1.5V) */
1436 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON14,
1437 				   0x1055, 0x1055);
1438 		/* Enable NV regulator (-1.2V) */
1439 		regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON15, 0x0001);
1440 		usleep_range(100, 120);
1441 
1442 		/* Disable AUD_ZCD */
1443 		hp_zcd_disable(priv);
1444 
1445 		/* Disable handset short-circuit protection */
1446 		regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON6, 0x0010);
1447 
1448 		/* Enable IBIST */
1449 		regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON12, 0x0055);
1450 		/* Set HP DR bias current optimization, 010: 6uA */
1451 		regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON11, 0x4900);
1452 		/* Set HP & ZCD bias current optimization */
1453 		/* 01: ZCD: 4uA, HP/HS/LO: 5uA */
1454 		regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON12, 0x0055);
1455 		/* Set HS STB enhance circuits */
1456 		regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON6, 0x0090);
1457 
1458 		/* Disable HP main CMFB loop */
1459 		regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON9, 0x0000);
1460 		/* Select CMFB resistor bulk to AC mode */
1461 		/* Selec HS/LO cap size (6.5pF default) */
1462 		regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON10, 0x0000);
1463 
1464 		/* Enable HS driver bias circuits */
1465 		regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON6, 0x0092);
1466 		/* Enable HS driver core circuits */
1467 		regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON6, 0x0093);
1468 
1469 		/* Enable AUD_CLK */
1470 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON13,
1471 				   0x1, 0x1);
1472 
1473 		/* Enable Audio DAC  */
1474 		regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON0, 0x0009);
1475 		/* Enable low-noise mode of DAC */
1476 		regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON9, 0x0001);
1477 		/* Switch HS MUX to audio DAC */
1478 		regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON6, 0x009b);
1479 		break;
1480 	case SND_SOC_DAPM_PRE_PMD:
1481 		/* HS mux to open */
1482 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON6,
1483 				   RG_AUDHSMUXINPUTSEL_VAUDP15_MASK_SFT,
1484 				   RCV_MUX_OPEN);
1485 
1486 		/* Disable Audio DAC */
1487 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON0,
1488 				   0x000f, 0x0000);
1489 
1490 		/* Disable AUD_CLK */
1491 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON13,
1492 				   0x1, 0x0);
1493 
1494 		/* decrease HS gain to minimum gain step by step */
1495 		regmap_write(priv->regmap, MT6358_ZCD_CON3, DL_GAIN_N_40DB);
1496 
1497 		/* Disable HS driver core circuits */
1498 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON6,
1499 				   0x1, 0x0);
1500 
1501 		/* Disable HS driver bias circuits */
1502 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON6,
1503 				   0x1 << 1, 0x0000);
1504 
1505 		/* Disable HP aux CMFB loop */
1506 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON9,
1507 				   0xff << 8, 0x0);
1508 
1509 		/* Enable HP main CMFB Switch */
1510 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON9,
1511 				   0xff << 8, 0x2 << 8);
1512 
1513 		/* Disable IBIST */
1514 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON12,
1515 				   0x1 << 8, 0x1 << 8);
1516 
1517 		/* Disable NV regulator (-1.2V) */
1518 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON15,
1519 				   0x1, 0x0);
1520 		/* Disable cap-less LDOs (1.5V) */
1521 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON14,
1522 				   0x1055, 0x0);
1523 		/* Disable NCP */
1524 		regmap_update_bits(priv->regmap, MT6358_AUDNCP_CLKDIV_CON3,
1525 				   0x1, 0x1);
1526 		break;
1527 	default:
1528 		break;
1529 	}
1530 
1531 	return 0;
1532 }
1533 
1534 static int mt_aif_out_event(struct snd_soc_dapm_widget *w,
1535 			    struct snd_kcontrol *kcontrol,
1536 			    int event)
1537 {
1538 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
1539 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
1540 
1541 	dev_dbg(priv->dev, "%s(), event 0x%x, rate %d\n",
1542 		__func__, event, priv->ul_rate);
1543 
1544 	switch (event) {
1545 	case SND_SOC_DAPM_PRE_PMU:
1546 		capture_gpio_set(priv);
1547 		break;
1548 	case SND_SOC_DAPM_POST_PMD:
1549 		capture_gpio_reset(priv);
1550 		break;
1551 	default:
1552 		break;
1553 	}
1554 
1555 	return 0;
1556 }
1557 
1558 static int mt_adc_supply_event(struct snd_soc_dapm_widget *w,
1559 			       struct snd_kcontrol *kcontrol,
1560 			       int event)
1561 {
1562 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
1563 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
1564 
1565 	dev_dbg(priv->dev, "%s(), event 0x%x\n",
1566 		__func__, event);
1567 
1568 	switch (event) {
1569 	case SND_SOC_DAPM_PRE_PMU:
1570 		/* Enable audio ADC CLKGEN  */
1571 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON13,
1572 				   0x1 << 5, 0x1 << 5);
1573 		/* ADC CLK from CLKGEN (13MHz) */
1574 		regmap_write(priv->regmap, MT6358_AUDENC_ANA_CON3,
1575 			     0x0000);
1576 		/* Enable  LCLDO_ENC 1P8V */
1577 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON14,
1578 				   0x2500, 0x0100);
1579 		/* LCLDO_ENC remote sense */
1580 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON14,
1581 				   0x2500, 0x2500);
1582 		break;
1583 	case SND_SOC_DAPM_POST_PMD:
1584 		/* LCLDO_ENC remote sense off */
1585 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON14,
1586 				   0x2500, 0x0100);
1587 		/* disable LCLDO_ENC 1P8V */
1588 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON14,
1589 				   0x2500, 0x0000);
1590 
1591 		/* ADC CLK from CLKGEN (13MHz) */
1592 		regmap_write(priv->regmap, MT6358_AUDENC_ANA_CON3, 0x0000);
1593 		/* disable audio ADC CLKGEN  */
1594 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON13,
1595 				   0x1 << 5, 0x0 << 5);
1596 		break;
1597 	default:
1598 		break;
1599 	}
1600 
1601 	return 0;
1602 }
1603 
1604 static int mt6358_amic_enable(struct mt6358_priv *priv)
1605 {
1606 	unsigned int mic_type = priv->mux_select[MUX_MIC_TYPE];
1607 	unsigned int mux_pga_l = priv->mux_select[MUX_PGA_L];
1608 	unsigned int mux_pga_r = priv->mux_select[MUX_PGA_R];
1609 
1610 	dev_info(priv->dev, "%s(), mux, mic %u, pga l %u, pga r %u\n",
1611 		 __func__, mic_type, mux_pga_l, mux_pga_r);
1612 
1613 	if (IS_DCC_BASE(mic_type)) {
1614 		/* DCC 50k CLK (from 26M) */
1615 		regmap_write(priv->regmap, MT6358_AFE_DCCLK_CFG0, 0x2062);
1616 		regmap_write(priv->regmap, MT6358_AFE_DCCLK_CFG0, 0x2062);
1617 		regmap_write(priv->regmap, MT6358_AFE_DCCLK_CFG0, 0x2060);
1618 		regmap_write(priv->regmap, MT6358_AFE_DCCLK_CFG0, 0x2061);
1619 		regmap_write(priv->regmap, MT6358_AFE_DCCLK_CFG1, 0x0100);
1620 	}
1621 
1622 	/* mic bias 0 */
1623 	if (mux_pga_l == PGA_MUX_AIN0 || mux_pga_l == PGA_MUX_AIN2 ||
1624 	    mux_pga_r == PGA_MUX_AIN0 || mux_pga_r == PGA_MUX_AIN2) {
1625 		switch (mic_type) {
1626 		case MIC_TYPE_MUX_DCC_ECM_DIFF:
1627 			regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON9,
1628 					   0xff00, 0x7700);
1629 			break;
1630 		case MIC_TYPE_MUX_DCC_ECM_SINGLE:
1631 			regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON9,
1632 					   0xff00, 0x1100);
1633 			break;
1634 		default:
1635 			regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON9,
1636 					   0xff00, 0x0000);
1637 			break;
1638 		}
1639 		/* Enable MICBIAS0, MISBIAS0 = 1P9V */
1640 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON9,
1641 				   0xff, 0x21);
1642 	}
1643 
1644 	/* mic bias 1 */
1645 	if (mux_pga_l == PGA_MUX_AIN1 || mux_pga_r == PGA_MUX_AIN1) {
1646 		/* Enable MICBIAS1, MISBIAS1 = 2P6V */
1647 		if (mic_type == MIC_TYPE_MUX_DCC_ECM_SINGLE)
1648 			regmap_write(priv->regmap,
1649 				     MT6358_AUDENC_ANA_CON10, 0x0161);
1650 		else
1651 			regmap_write(priv->regmap,
1652 				     MT6358_AUDENC_ANA_CON10, 0x0061);
1653 	}
1654 
1655 	if (IS_DCC_BASE(mic_type)) {
1656 		/* Audio L/R preamplifier DCC precharge */
1657 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON0,
1658 				   0xf8ff, 0x0004);
1659 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
1660 				   0xf8ff, 0x0004);
1661 	} else {
1662 		/* reset reg */
1663 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON0,
1664 				   0xf8ff, 0x0000);
1665 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
1666 				   0xf8ff, 0x0000);
1667 	}
1668 
1669 	if (mux_pga_l != PGA_MUX_NONE) {
1670 		/* L preamplifier input sel */
1671 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON0,
1672 				   RG_AUDPREAMPLINPUTSEL_MASK_SFT,
1673 				   mux_pga_l << RG_AUDPREAMPLINPUTSEL_SFT);
1674 
1675 		/* L preamplifier enable */
1676 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON0,
1677 				   RG_AUDPREAMPLON_MASK_SFT,
1678 				   0x1 << RG_AUDPREAMPLON_SFT);
1679 
1680 		if (IS_DCC_BASE(mic_type)) {
1681 			/* L preamplifier DCCEN */
1682 			regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON0,
1683 					   RG_AUDPREAMPLDCCEN_MASK_SFT,
1684 					   0x1 << RG_AUDPREAMPLDCCEN_SFT);
1685 		}
1686 
1687 		/* L ADC input sel : L PGA. Enable audio L ADC */
1688 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON0,
1689 				   RG_AUDADCLINPUTSEL_MASK_SFT,
1690 				   ADC_MUX_PREAMPLIFIER <<
1691 				   RG_AUDADCLINPUTSEL_SFT);
1692 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON0,
1693 				   RG_AUDADCLPWRUP_MASK_SFT,
1694 				   0x1 << RG_AUDADCLPWRUP_SFT);
1695 	}
1696 
1697 	if (mux_pga_r != PGA_MUX_NONE) {
1698 		/* R preamplifier input sel */
1699 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
1700 				   RG_AUDPREAMPRINPUTSEL_MASK_SFT,
1701 				   mux_pga_r << RG_AUDPREAMPRINPUTSEL_SFT);
1702 
1703 		/* R preamplifier enable */
1704 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
1705 				   RG_AUDPREAMPRON_MASK_SFT,
1706 				   0x1 << RG_AUDPREAMPRON_SFT);
1707 
1708 		if (IS_DCC_BASE(mic_type)) {
1709 			/* R preamplifier DCCEN */
1710 			regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
1711 					   RG_AUDPREAMPRDCCEN_MASK_SFT,
1712 					   0x1 << RG_AUDPREAMPRDCCEN_SFT);
1713 		}
1714 
1715 		/* R ADC input sel : R PGA. Enable audio R ADC */
1716 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
1717 				   RG_AUDADCRINPUTSEL_MASK_SFT,
1718 				   ADC_MUX_PREAMPLIFIER <<
1719 				   RG_AUDADCRINPUTSEL_SFT);
1720 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
1721 				   RG_AUDADCRPWRUP_MASK_SFT,
1722 				   0x1 << RG_AUDADCRPWRUP_SFT);
1723 	}
1724 
1725 	if (IS_DCC_BASE(mic_type)) {
1726 		usleep_range(100, 150);
1727 		/* Audio L preamplifier DCC precharge off */
1728 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON0,
1729 				   RG_AUDPREAMPLDCPRECHARGE_MASK_SFT, 0x0);
1730 		/* Audio R preamplifier DCC precharge off */
1731 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
1732 				   RG_AUDPREAMPRDCPRECHARGE_MASK_SFT, 0x0);
1733 
1734 		/* Short body to ground in PGA */
1735 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON3,
1736 				   0x1 << 12, 0x0);
1737 	}
1738 
1739 	/* here to set digital part */
1740 	mt6358_mtkaif_tx_enable(priv);
1741 
1742 	/* UL dmic setting off */
1743 	regmap_write(priv->regmap, MT6358_AFE_UL_SRC_CON0_H, 0x0000);
1744 
1745 	/* UL turn on */
1746 	regmap_write(priv->regmap, MT6358_AFE_UL_SRC_CON0_L, 0x0001);
1747 
1748 	return 0;
1749 }
1750 
1751 static void mt6358_amic_disable(struct mt6358_priv *priv)
1752 {
1753 	unsigned int mic_type = priv->mux_select[MUX_MIC_TYPE];
1754 	unsigned int mux_pga_l = priv->mux_select[MUX_PGA_L];
1755 	unsigned int mux_pga_r = priv->mux_select[MUX_PGA_R];
1756 
1757 	dev_info(priv->dev, "%s(), mux, mic %u, pga l %u, pga r %u\n",
1758 		 __func__, mic_type, mux_pga_l, mux_pga_r);
1759 
1760 	/* UL turn off */
1761 	regmap_update_bits(priv->regmap, MT6358_AFE_UL_SRC_CON0_L,
1762 			   0x0001, 0x0000);
1763 
1764 	/* disable aud_pad TX fifos */
1765 	mt6358_mtkaif_tx_disable(priv);
1766 
1767 	/* L ADC input sel : off, disable L ADC */
1768 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON0,
1769 			   0xf000, 0x0000);
1770 	/* L preamplifier DCCEN */
1771 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON0,
1772 			   0x1 << 1, 0x0);
1773 	/* L preamplifier input sel : off, L PGA 0 dB gain */
1774 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON0,
1775 			   0xfffb, 0x0000);
1776 
1777 	/* disable L preamplifier DCC precharge */
1778 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON0,
1779 			   0x1 << 2, 0x0);
1780 
1781 	/* R ADC input sel : off, disable R ADC */
1782 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
1783 			   0xf000, 0x0000);
1784 	/* R preamplifier DCCEN */
1785 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
1786 			   0x1 << 1, 0x0);
1787 	/* R preamplifier input sel : off, R PGA 0 dB gain */
1788 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
1789 			   0x0ffb, 0x0000);
1790 
1791 	/* disable R preamplifier DCC precharge */
1792 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
1793 			   0x1 << 2, 0x0);
1794 
1795 	/* mic bias */
1796 	/* Disable MICBIAS0, MISBIAS0 = 1P7V */
1797 	regmap_write(priv->regmap, MT6358_AUDENC_ANA_CON9, 0x0000);
1798 
1799 	/* Disable MICBIAS1 */
1800 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON10,
1801 			   0x0001, 0x0000);
1802 
1803 	if (IS_DCC_BASE(mic_type)) {
1804 		/* dcclk_gen_on=1'b0 */
1805 		regmap_write(priv->regmap, MT6358_AFE_DCCLK_CFG0, 0x2060);
1806 		/* dcclk_pdn=1'b1 */
1807 		regmap_write(priv->regmap, MT6358_AFE_DCCLK_CFG0, 0x2062);
1808 		/* dcclk_ref_ck_sel=2'b00 */
1809 		regmap_write(priv->regmap, MT6358_AFE_DCCLK_CFG0, 0x2062);
1810 		/* dcclk_div=11'b00100000011 */
1811 		regmap_write(priv->regmap, MT6358_AFE_DCCLK_CFG0, 0x2062);
1812 	}
1813 }
1814 
1815 static int mt6358_dmic_enable(struct mt6358_priv *priv)
1816 {
1817 	dev_info(priv->dev, "%s()\n", __func__);
1818 
1819 	/* mic bias */
1820 	/* Enable MICBIAS0, MISBIAS0 = 1P9V */
1821 	regmap_write(priv->regmap, MT6358_AUDENC_ANA_CON9, 0x0021);
1822 
1823 	/* RG_BANDGAPGEN=1'b0 */
1824 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON10,
1825 			   0x1 << 12, 0x0);
1826 
1827 	/* DMIC enable */
1828 	regmap_write(priv->regmap, MT6358_AUDENC_ANA_CON8, 0x0005);
1829 
1830 	/* here to set digital part */
1831 	mt6358_mtkaif_tx_enable(priv);
1832 
1833 	/* UL dmic setting */
1834 	regmap_write(priv->regmap, MT6358_AFE_UL_SRC_CON0_H, 0x0080);
1835 
1836 	/* UL turn on */
1837 	regmap_write(priv->regmap, MT6358_AFE_UL_SRC_CON0_L, 0x0003);
1838 
1839 	/* Prevent pop noise form dmic hw */
1840 	msleep(100);
1841 
1842 	return 0;
1843 }
1844 
1845 static void mt6358_dmic_disable(struct mt6358_priv *priv)
1846 {
1847 	dev_info(priv->dev, "%s()\n", __func__);
1848 
1849 	/* UL turn off */
1850 	regmap_update_bits(priv->regmap, MT6358_AFE_UL_SRC_CON0_L,
1851 			   0x0003, 0x0000);
1852 
1853 	/* disable aud_pad TX fifos */
1854 	mt6358_mtkaif_tx_disable(priv);
1855 
1856 	/* DMIC disable */
1857 	regmap_write(priv->regmap, MT6358_AUDENC_ANA_CON8, 0x0000);
1858 
1859 	/* mic bias */
1860 	/* MISBIAS0 = 1P7V */
1861 	regmap_write(priv->regmap, MT6358_AUDENC_ANA_CON9, 0x0001);
1862 
1863 	/* RG_BANDGAPGEN=1'b0 */
1864 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON10,
1865 			   0x1 << 12, 0x0);
1866 
1867 	/* MICBIA0 disable */
1868 	regmap_write(priv->regmap, MT6358_AUDENC_ANA_CON9, 0x0000);
1869 }
1870 
1871 static void mt6358_restore_pga(struct mt6358_priv *priv)
1872 {
1873 	unsigned int gain_l, gain_r;
1874 
1875 	gain_l = priv->ana_gain[AUDIO_ANALOG_VOLUME_MICAMP1];
1876 	gain_r = priv->ana_gain[AUDIO_ANALOG_VOLUME_MICAMP2];
1877 
1878 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON0,
1879 			   RG_AUDPREAMPLGAIN_MASK_SFT,
1880 			   gain_l << RG_AUDPREAMPLGAIN_SFT);
1881 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
1882 			   RG_AUDPREAMPRGAIN_MASK_SFT,
1883 			   gain_r << RG_AUDPREAMPRGAIN_SFT);
1884 }
1885 
1886 static int mt_mic_type_event(struct snd_soc_dapm_widget *w,
1887 			     struct snd_kcontrol *kcontrol,
1888 			     int event)
1889 {
1890 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
1891 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
1892 	unsigned int mux = dapm_kcontrol_get_value(w->kcontrols[0]);
1893 
1894 	dev_dbg(priv->dev, "%s(), event 0x%x, mux %u\n",
1895 		__func__, event, mux);
1896 
1897 	switch (event) {
1898 	case SND_SOC_DAPM_WILL_PMU:
1899 		priv->mux_select[MUX_MIC_TYPE] = mux;
1900 		break;
1901 	case SND_SOC_DAPM_PRE_PMU:
1902 		switch (mux) {
1903 		case MIC_TYPE_MUX_DMIC:
1904 			mt6358_dmic_enable(priv);
1905 			break;
1906 		default:
1907 			mt6358_amic_enable(priv);
1908 			break;
1909 		}
1910 		mt6358_restore_pga(priv);
1911 
1912 		break;
1913 	case SND_SOC_DAPM_POST_PMD:
1914 		switch (priv->mux_select[MUX_MIC_TYPE]) {
1915 		case MIC_TYPE_MUX_DMIC:
1916 			mt6358_dmic_disable(priv);
1917 			break;
1918 		default:
1919 			mt6358_amic_disable(priv);
1920 			break;
1921 		}
1922 
1923 		priv->mux_select[MUX_MIC_TYPE] = mux;
1924 		break;
1925 	default:
1926 		break;
1927 	}
1928 
1929 	return 0;
1930 }
1931 
1932 static int mt_adc_l_event(struct snd_soc_dapm_widget *w,
1933 			  struct snd_kcontrol *kcontrol,
1934 			  int event)
1935 {
1936 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
1937 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
1938 	unsigned int mux = dapm_kcontrol_get_value(w->kcontrols[0]);
1939 
1940 	dev_dbg(priv->dev, "%s(), event = 0x%x, mux %u\n",
1941 		__func__, event, mux);
1942 
1943 	priv->mux_select[MUX_ADC_L] = mux;
1944 
1945 	return 0;
1946 }
1947 
1948 static int mt_adc_r_event(struct snd_soc_dapm_widget *w,
1949 			  struct snd_kcontrol *kcontrol,
1950 			  int event)
1951 {
1952 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
1953 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
1954 	unsigned int mux = dapm_kcontrol_get_value(w->kcontrols[0]);
1955 
1956 	dev_dbg(priv->dev, "%s(), event = 0x%x, mux %u\n",
1957 		__func__, event, mux);
1958 
1959 	priv->mux_select[MUX_ADC_R] = mux;
1960 
1961 	return 0;
1962 }
1963 
1964 static int mt_pga_left_event(struct snd_soc_dapm_widget *w,
1965 			     struct snd_kcontrol *kcontrol,
1966 			     int event)
1967 {
1968 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
1969 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
1970 	unsigned int mux = dapm_kcontrol_get_value(w->kcontrols[0]);
1971 
1972 	dev_dbg(priv->dev, "%s(), event = 0x%x, mux %u\n",
1973 		__func__, event, mux);
1974 
1975 	priv->mux_select[MUX_PGA_L] = mux;
1976 
1977 	return 0;
1978 }
1979 
1980 static int mt_pga_right_event(struct snd_soc_dapm_widget *w,
1981 			      struct snd_kcontrol *kcontrol,
1982 			      int event)
1983 {
1984 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
1985 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
1986 	unsigned int mux = dapm_kcontrol_get_value(w->kcontrols[0]);
1987 
1988 	dev_dbg(priv->dev, "%s(), event = 0x%x, mux %u\n",
1989 		__func__, event, mux);
1990 
1991 	priv->mux_select[MUX_PGA_R] = mux;
1992 
1993 	return 0;
1994 }
1995 
1996 static int mt_delay_250_event(struct snd_soc_dapm_widget *w,
1997 			      struct snd_kcontrol *kcontrol,
1998 			      int event)
1999 {
2000 	switch (event) {
2001 	case SND_SOC_DAPM_POST_PMU:
2002 		usleep_range(250, 270);
2003 		break;
2004 	case SND_SOC_DAPM_PRE_PMD:
2005 		usleep_range(250, 270);
2006 		break;
2007 	default:
2008 		break;
2009 	}
2010 
2011 	return 0;
2012 }
2013 
2014 /* DAPM Widgets */
2015 static const struct snd_soc_dapm_widget mt6358_dapm_widgets[] = {
2016 	/* Global Supply*/
2017 	SND_SOC_DAPM_SUPPLY_S("CLK_BUF", SUPPLY_SEQ_CLK_BUF,
2018 			      MT6358_DCXO_CW14,
2019 			      RG_XO_AUDIO_EN_M_SFT, 0, NULL, 0),
2020 	SND_SOC_DAPM_SUPPLY_S("AUDGLB", SUPPLY_SEQ_AUD_GLB,
2021 			      MT6358_AUDDEC_ANA_CON13,
2022 			      RG_AUDGLB_PWRDN_VA28_SFT, 1, NULL, 0),
2023 	SND_SOC_DAPM_SUPPLY_S("CLKSQ Audio", SUPPLY_SEQ_CLKSQ,
2024 			      MT6358_AUDENC_ANA_CON6,
2025 			      RG_CLKSQ_EN_SFT, 0,
2026 			      mt_clksq_event,
2027 			      SND_SOC_DAPM_PRE_PMU),
2028 	SND_SOC_DAPM_SUPPLY_S("AUDNCP_CK", SUPPLY_SEQ_TOP_CK,
2029 			      MT6358_AUD_TOP_CKPDN_CON0,
2030 			      RG_AUDNCP_CK_PDN_SFT, 1, NULL, 0),
2031 	SND_SOC_DAPM_SUPPLY_S("ZCD13M_CK", SUPPLY_SEQ_TOP_CK,
2032 			      MT6358_AUD_TOP_CKPDN_CON0,
2033 			      RG_ZCD13M_CK_PDN_SFT, 1, NULL, 0),
2034 	SND_SOC_DAPM_SUPPLY_S("AUD_CK", SUPPLY_SEQ_TOP_CK_LAST,
2035 			      MT6358_AUD_TOP_CKPDN_CON0,
2036 			      RG_AUD_CK_PDN_SFT, 1,
2037 			      mt_delay_250_event,
2038 			      SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
2039 	SND_SOC_DAPM_SUPPLY_S("AUDIF_CK", SUPPLY_SEQ_TOP_CK,
2040 			      MT6358_AUD_TOP_CKPDN_CON0,
2041 			      RG_AUDIF_CK_PDN_SFT, 1, NULL, 0),
2042 
2043 	/* Digital Clock */
2044 	SND_SOC_DAPM_SUPPLY_S("AUDIO_TOP_AFE_CTL", SUPPLY_SEQ_AUD_TOP_LAST,
2045 			      MT6358_AUDIO_TOP_CON0,
2046 			      PDN_AFE_CTL_SFT, 1,
2047 			      mt_delay_250_event,
2048 			      SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
2049 	SND_SOC_DAPM_SUPPLY_S("AUDIO_TOP_DAC_CTL", SUPPLY_SEQ_AUD_TOP,
2050 			      MT6358_AUDIO_TOP_CON0,
2051 			      PDN_DAC_CTL_SFT, 1, NULL, 0),
2052 	SND_SOC_DAPM_SUPPLY_S("AUDIO_TOP_ADC_CTL", SUPPLY_SEQ_AUD_TOP,
2053 			      MT6358_AUDIO_TOP_CON0,
2054 			      PDN_ADC_CTL_SFT, 1, NULL, 0),
2055 	SND_SOC_DAPM_SUPPLY_S("AUDIO_TOP_I2S_DL", SUPPLY_SEQ_AUD_TOP,
2056 			      MT6358_AUDIO_TOP_CON0,
2057 			      PDN_I2S_DL_CTL_SFT, 1, NULL, 0),
2058 	SND_SOC_DAPM_SUPPLY_S("AUDIO_TOP_PWR_CLK", SUPPLY_SEQ_AUD_TOP,
2059 			      MT6358_AUDIO_TOP_CON0,
2060 			      PWR_CLK_DIS_CTL_SFT, 1, NULL, 0),
2061 	SND_SOC_DAPM_SUPPLY_S("AUDIO_TOP_PDN_AFE_TESTMODEL", SUPPLY_SEQ_AUD_TOP,
2062 			      MT6358_AUDIO_TOP_CON0,
2063 			      PDN_AFE_TESTMODEL_CTL_SFT, 1, NULL, 0),
2064 	SND_SOC_DAPM_SUPPLY_S("AUDIO_TOP_PDN_RESERVED", SUPPLY_SEQ_AUD_TOP,
2065 			      MT6358_AUDIO_TOP_CON0,
2066 			      PDN_RESERVED_SFT, 1, NULL, 0),
2067 
2068 	SND_SOC_DAPM_SUPPLY("DL Digital Clock", SND_SOC_NOPM,
2069 			    0, 0, NULL, 0),
2070 
2071 	/* AFE ON */
2072 	SND_SOC_DAPM_SUPPLY_S("AFE_ON", SUPPLY_SEQ_AFE,
2073 			      MT6358_AFE_UL_DL_CON0, AFE_ON_SFT, 0,
2074 			      NULL, 0),
2075 
2076 	/* AIF Rx*/
2077 	SND_SOC_DAPM_AIF_IN_E("AIF_RX", "AIF1 Playback", 0,
2078 			      MT6358_AFE_DL_SRC2_CON0_L,
2079 			      DL_2_SRC_ON_TMP_CTL_PRE_SFT, 0,
2080 			      mt_aif_in_event,
2081 			      SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2082 
2083 	/* DL Supply */
2084 	SND_SOC_DAPM_SUPPLY("DL Power Supply", SND_SOC_NOPM,
2085 			    0, 0, NULL, 0),
2086 
2087 	/* DAC */
2088 	SND_SOC_DAPM_MUX("DAC In Mux", SND_SOC_NOPM, 0, 0, &dac_in_mux_control),
2089 
2090 	SND_SOC_DAPM_DAC("DACL", NULL, SND_SOC_NOPM, 0, 0),
2091 
2092 	SND_SOC_DAPM_DAC("DACR", NULL, SND_SOC_NOPM, 0, 0),
2093 
2094 	/* LOL */
2095 	SND_SOC_DAPM_MUX("LOL Mux", SND_SOC_NOPM, 0, 0, &lo_in_mux_control),
2096 
2097 	SND_SOC_DAPM_SUPPLY("LO Stability Enh", MT6358_AUDDEC_ANA_CON7,
2098 			    RG_LOOUTPUTSTBENH_VAUDP15_SFT, 0, NULL, 0),
2099 
2100 	SND_SOC_DAPM_OUT_DRV("LOL Buffer", MT6358_AUDDEC_ANA_CON7,
2101 			     RG_AUDLOLPWRUP_VAUDP15_SFT, 0, NULL, 0),
2102 
2103 	/* Headphone */
2104 	SND_SOC_DAPM_MUX_E("HPL Mux", SND_SOC_NOPM, 0, 0,
2105 			   &hpl_in_mux_control,
2106 			   mt_hp_event,
2107 			   SND_SOC_DAPM_PRE_PMU |
2108 			   SND_SOC_DAPM_PRE_PMD),
2109 
2110 	SND_SOC_DAPM_MUX_E("HPR Mux", SND_SOC_NOPM, 0, 0,
2111 			   &hpr_in_mux_control,
2112 			   mt_hp_event,
2113 			   SND_SOC_DAPM_PRE_PMU |
2114 			   SND_SOC_DAPM_PRE_PMD),
2115 
2116 	/* Receiver */
2117 	SND_SOC_DAPM_MUX_E("RCV Mux", SND_SOC_NOPM, 0, 0,
2118 			   &rcv_in_mux_control,
2119 			   mt_rcv_event,
2120 			   SND_SOC_DAPM_PRE_PMU |
2121 			   SND_SOC_DAPM_PRE_PMD),
2122 
2123 	/* Outputs */
2124 	SND_SOC_DAPM_OUTPUT("Receiver"),
2125 	SND_SOC_DAPM_OUTPUT("Headphone L"),
2126 	SND_SOC_DAPM_OUTPUT("Headphone R"),
2127 	SND_SOC_DAPM_OUTPUT("Headphone L Ext Spk Amp"),
2128 	SND_SOC_DAPM_OUTPUT("Headphone R Ext Spk Amp"),
2129 	SND_SOC_DAPM_OUTPUT("LINEOUT L"),
2130 	SND_SOC_DAPM_OUTPUT("LINEOUT L HSSPK"),
2131 
2132 	/* SGEN */
2133 	SND_SOC_DAPM_SUPPLY("SGEN DL Enable", MT6358_AFE_SGEN_CFG0,
2134 			    SGEN_DAC_EN_CTL_SFT, 0, NULL, 0),
2135 	SND_SOC_DAPM_SUPPLY("SGEN MUTE", MT6358_AFE_SGEN_CFG0,
2136 			    SGEN_MUTE_SW_CTL_SFT, 1,
2137 			    mt_sgen_event,
2138 			    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2139 	SND_SOC_DAPM_SUPPLY("SGEN DL SRC", MT6358_AFE_DL_SRC2_CON0_L,
2140 			    DL_2_SRC_ON_TMP_CTL_PRE_SFT, 0, NULL, 0),
2141 
2142 	SND_SOC_DAPM_INPUT("SGEN DL"),
2143 
2144 	/* Uplinks */
2145 	SND_SOC_DAPM_AIF_OUT_E("AIF1TX", "AIF1 Capture", 0,
2146 			       SND_SOC_NOPM, 0, 0,
2147 			       mt_aif_out_event,
2148 			       SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2149 
2150 	SND_SOC_DAPM_SUPPLY_S("ADC Supply", SUPPLY_SEQ_ADC_SUPPLY,
2151 			      SND_SOC_NOPM, 0, 0,
2152 			      mt_adc_supply_event,
2153 			      SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2154 
2155 	/* Uplinks MUX */
2156 	SND_SOC_DAPM_MUX("AIF Out Mux", SND_SOC_NOPM, 0, 0,
2157 			 &aif_out_mux_control),
2158 
2159 	SND_SOC_DAPM_MUX_E("Mic Type Mux", SND_SOC_NOPM, 0, 0,
2160 			   &mic_type_mux_control,
2161 			   mt_mic_type_event,
2162 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD |
2163 			   SND_SOC_DAPM_WILL_PMU),
2164 
2165 	SND_SOC_DAPM_MUX_E("ADC L Mux", SND_SOC_NOPM, 0, 0,
2166 			   &adc_left_mux_control,
2167 			   mt_adc_l_event,
2168 			   SND_SOC_DAPM_WILL_PMU),
2169 	SND_SOC_DAPM_MUX_E("ADC R Mux", SND_SOC_NOPM, 0, 0,
2170 			   &adc_right_mux_control,
2171 			   mt_adc_r_event,
2172 			   SND_SOC_DAPM_WILL_PMU),
2173 
2174 	SND_SOC_DAPM_ADC("ADC L", NULL, SND_SOC_NOPM, 0, 0),
2175 	SND_SOC_DAPM_ADC("ADC R", NULL, SND_SOC_NOPM, 0, 0),
2176 
2177 	SND_SOC_DAPM_MUX_E("PGA L Mux", SND_SOC_NOPM, 0, 0,
2178 			   &pga_left_mux_control,
2179 			   mt_pga_left_event,
2180 			   SND_SOC_DAPM_WILL_PMU),
2181 	SND_SOC_DAPM_MUX_E("PGA R Mux", SND_SOC_NOPM, 0, 0,
2182 			   &pga_right_mux_control,
2183 			   mt_pga_right_event,
2184 			   SND_SOC_DAPM_WILL_PMU),
2185 
2186 	SND_SOC_DAPM_PGA("PGA L", SND_SOC_NOPM, 0, 0, NULL, 0),
2187 	SND_SOC_DAPM_PGA("PGA R", SND_SOC_NOPM, 0, 0, NULL, 0),
2188 
2189 	/* UL input */
2190 	SND_SOC_DAPM_INPUT("AIN0"),
2191 	SND_SOC_DAPM_INPUT("AIN1"),
2192 	SND_SOC_DAPM_INPUT("AIN2"),
2193 };
2194 
2195 static const struct snd_soc_dapm_route mt6358_dapm_routes[] = {
2196 	/* Capture */
2197 	{"AIF1TX", NULL, "AIF Out Mux"},
2198 	{"AIF1TX", NULL, "CLK_BUF"},
2199 	{"AIF1TX", NULL, "AUDGLB"},
2200 	{"AIF1TX", NULL, "CLKSQ Audio"},
2201 
2202 	{"AIF1TX", NULL, "AUD_CK"},
2203 	{"AIF1TX", NULL, "AUDIF_CK"},
2204 
2205 	{"AIF1TX", NULL, "AUDIO_TOP_AFE_CTL"},
2206 	{"AIF1TX", NULL, "AUDIO_TOP_ADC_CTL"},
2207 	{"AIF1TX", NULL, "AUDIO_TOP_PWR_CLK"},
2208 	{"AIF1TX", NULL, "AUDIO_TOP_PDN_RESERVED"},
2209 	{"AIF1TX", NULL, "AUDIO_TOP_I2S_DL"},
2210 
2211 	{"AIF1TX", NULL, "AFE_ON"},
2212 
2213 	{"AIF Out Mux", NULL, "Mic Type Mux"},
2214 
2215 	{"Mic Type Mux", "ACC", "ADC L"},
2216 	{"Mic Type Mux", "ACC", "ADC R"},
2217 	{"Mic Type Mux", "DCC", "ADC L"},
2218 	{"Mic Type Mux", "DCC", "ADC R"},
2219 	{"Mic Type Mux", "DCC_ECM_DIFF", "ADC L"},
2220 	{"Mic Type Mux", "DCC_ECM_DIFF", "ADC R"},
2221 	{"Mic Type Mux", "DCC_ECM_SINGLE", "ADC L"},
2222 	{"Mic Type Mux", "DCC_ECM_SINGLE", "ADC R"},
2223 	{"Mic Type Mux", "DMIC", "AIN0"},
2224 	{"Mic Type Mux", "DMIC", "AIN2"},
2225 
2226 	{"ADC L", NULL, "ADC L Mux"},
2227 	{"ADC L", NULL, "ADC Supply"},
2228 	{"ADC R", NULL, "ADC R Mux"},
2229 	{"ADC R", NULL, "ADC Supply"},
2230 
2231 	{"ADC L Mux", "Left Preamplifier", "PGA L"},
2232 
2233 	{"ADC R Mux", "Right Preamplifier", "PGA R"},
2234 
2235 	{"PGA L", NULL, "PGA L Mux"},
2236 	{"PGA R", NULL, "PGA R Mux"},
2237 
2238 	{"PGA L Mux", "AIN0", "AIN0"},
2239 	{"PGA L Mux", "AIN1", "AIN1"},
2240 	{"PGA L Mux", "AIN2", "AIN2"},
2241 
2242 	{"PGA R Mux", "AIN0", "AIN0"},
2243 	{"PGA R Mux", "AIN1", "AIN1"},
2244 	{"PGA R Mux", "AIN2", "AIN2"},
2245 
2246 	/* DL Supply */
2247 	{"DL Power Supply", NULL, "CLK_BUF"},
2248 	{"DL Power Supply", NULL, "AUDGLB"},
2249 	{"DL Power Supply", NULL, "CLKSQ Audio"},
2250 
2251 	{"DL Power Supply", NULL, "AUDNCP_CK"},
2252 	{"DL Power Supply", NULL, "ZCD13M_CK"},
2253 	{"DL Power Supply", NULL, "AUD_CK"},
2254 	{"DL Power Supply", NULL, "AUDIF_CK"},
2255 
2256 	/* DL Digital Supply */
2257 	{"DL Digital Clock", NULL, "AUDIO_TOP_AFE_CTL"},
2258 	{"DL Digital Clock", NULL, "AUDIO_TOP_DAC_CTL"},
2259 	{"DL Digital Clock", NULL, "AUDIO_TOP_PWR_CLK"},
2260 
2261 	{"DL Digital Clock", NULL, "AFE_ON"},
2262 
2263 	{"AIF_RX", NULL, "DL Digital Clock"},
2264 
2265 	/* DL Path */
2266 	{"DAC In Mux", "Normal Path", "AIF_RX"},
2267 
2268 	{"DAC In Mux", "Sgen", "SGEN DL"},
2269 	{"SGEN DL", NULL, "SGEN DL SRC"},
2270 	{"SGEN DL", NULL, "SGEN MUTE"},
2271 	{"SGEN DL", NULL, "SGEN DL Enable"},
2272 	{"SGEN DL", NULL, "DL Digital Clock"},
2273 	{"SGEN DL", NULL, "AUDIO_TOP_PDN_AFE_TESTMODEL"},
2274 
2275 	{"DACL", NULL, "DAC In Mux"},
2276 	{"DACL", NULL, "DL Power Supply"},
2277 
2278 	{"DACR", NULL, "DAC In Mux"},
2279 	{"DACR", NULL, "DL Power Supply"},
2280 
2281 	/* Lineout Path */
2282 	{"LOL Mux", "Playback", "DACL"},
2283 
2284 	{"LOL Buffer", NULL, "LOL Mux"},
2285 	{"LOL Buffer", NULL, "LO Stability Enh"},
2286 
2287 	{"LINEOUT L", NULL, "LOL Buffer"},
2288 
2289 	/* Headphone Path */
2290 	{"HPL Mux", "Audio Playback", "DACL"},
2291 	{"HPR Mux", "Audio Playback", "DACR"},
2292 	{"HPL Mux", "HP Impedance", "DACL"},
2293 	{"HPR Mux", "HP Impedance", "DACR"},
2294 	{"HPL Mux", "LoudSPK Playback", "DACL"},
2295 	{"HPR Mux", "LoudSPK Playback", "DACR"},
2296 
2297 	{"Headphone L", NULL, "HPL Mux"},
2298 	{"Headphone R", NULL, "HPR Mux"},
2299 	{"Headphone L Ext Spk Amp", NULL, "HPL Mux"},
2300 	{"Headphone R Ext Spk Amp", NULL, "HPR Mux"},
2301 	{"LINEOUT L HSSPK", NULL, "HPL Mux"},
2302 
2303 	/* Receiver Path */
2304 	{"RCV Mux", "Voice Playback", "DACL"},
2305 	{"Receiver", NULL, "RCV Mux"},
2306 };
2307 
2308 static int mt6358_codec_dai_hw_params(struct snd_pcm_substream *substream,
2309 				      struct snd_pcm_hw_params *params,
2310 				      struct snd_soc_dai *dai)
2311 {
2312 	struct snd_soc_component *cmpnt = dai->component;
2313 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
2314 	unsigned int rate = params_rate(params);
2315 
2316 	dev_info(priv->dev, "%s(), substream->stream %d, rate %d, number %d\n",
2317 		 __func__,
2318 		 substream->stream,
2319 		 rate,
2320 		 substream->number);
2321 
2322 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
2323 		priv->dl_rate = rate;
2324 	else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
2325 		priv->ul_rate = rate;
2326 
2327 	return 0;
2328 }
2329 
2330 static const struct snd_soc_dai_ops mt6358_codec_dai_ops = {
2331 	.hw_params = mt6358_codec_dai_hw_params,
2332 };
2333 
2334 #define MT6358_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE |\
2335 			SNDRV_PCM_FMTBIT_U16_LE | SNDRV_PCM_FMTBIT_U16_BE |\
2336 			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S24_BE |\
2337 			SNDRV_PCM_FMTBIT_U24_LE | SNDRV_PCM_FMTBIT_U24_BE |\
2338 			SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE |\
2339 			SNDRV_PCM_FMTBIT_U32_LE | SNDRV_PCM_FMTBIT_U32_BE)
2340 
2341 static struct snd_soc_dai_driver mt6358_dai_driver[] = {
2342 	{
2343 		.name = "mt6358-snd-codec-aif1",
2344 		.playback = {
2345 			.stream_name = "AIF1 Playback",
2346 			.channels_min = 1,
2347 			.channels_max = 2,
2348 			.rates = SNDRV_PCM_RATE_8000_48000 |
2349 				 SNDRV_PCM_RATE_96000 |
2350 				 SNDRV_PCM_RATE_192000,
2351 			.formats = MT6358_FORMATS,
2352 		},
2353 		.capture = {
2354 			.stream_name = "AIF1 Capture",
2355 			.channels_min = 1,
2356 			.channels_max = 2,
2357 			.rates = SNDRV_PCM_RATE_8000 |
2358 				 SNDRV_PCM_RATE_16000 |
2359 				 SNDRV_PCM_RATE_32000 |
2360 				 SNDRV_PCM_RATE_48000,
2361 			.formats = MT6358_FORMATS,
2362 		},
2363 		.ops = &mt6358_codec_dai_ops,
2364 	},
2365 };
2366 
2367 static void mt6358_codec_init_reg(struct mt6358_priv *priv)
2368 {
2369 	/* Disable HeadphoneL/HeadphoneR short circuit protection */
2370 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON0,
2371 			   RG_AUDHPLSCDISABLE_VAUDP15_MASK_SFT,
2372 			   0x1 << RG_AUDHPLSCDISABLE_VAUDP15_SFT);
2373 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON0,
2374 			   RG_AUDHPRSCDISABLE_VAUDP15_MASK_SFT,
2375 			   0x1 << RG_AUDHPRSCDISABLE_VAUDP15_SFT);
2376 	/* Disable voice short circuit protection */
2377 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON6,
2378 			   RG_AUDHSSCDISABLE_VAUDP15_MASK_SFT,
2379 			   0x1 << RG_AUDHSSCDISABLE_VAUDP15_SFT);
2380 	/* disable LO buffer left short circuit protection */
2381 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON7,
2382 			   RG_AUDLOLSCDISABLE_VAUDP15_MASK_SFT,
2383 			   0x1 << RG_AUDLOLSCDISABLE_VAUDP15_SFT);
2384 
2385 	/* accdet s/w enable */
2386 	regmap_update_bits(priv->regmap, MT6358_ACCDET_CON13,
2387 			   0xFFFF, 0x700E);
2388 
2389 	/* gpio miso driving set to 4mA */
2390 	regmap_write(priv->regmap, MT6358_DRV_CON3, 0x8888);
2391 
2392 	/* set gpio */
2393 	playback_gpio_reset(priv);
2394 	capture_gpio_reset(priv);
2395 }
2396 
2397 static int mt6358_codec_probe(struct snd_soc_component *cmpnt)
2398 {
2399 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
2400 	int ret;
2401 
2402 	snd_soc_component_init_regmap(cmpnt, priv->regmap);
2403 
2404 	mt6358_codec_init_reg(priv);
2405 
2406 	priv->avdd_reg = devm_regulator_get(priv->dev, "Avdd");
2407 	if (IS_ERR(priv->avdd_reg)) {
2408 		dev_err(priv->dev, "%s() have no Avdd supply", __func__);
2409 		return PTR_ERR(priv->avdd_reg);
2410 	}
2411 
2412 	ret = regulator_enable(priv->avdd_reg);
2413 	if (ret)
2414 		return  ret;
2415 
2416 	return 0;
2417 }
2418 
2419 static const struct snd_soc_component_driver mt6358_soc_component_driver = {
2420 	.probe = mt6358_codec_probe,
2421 	.controls = mt6358_snd_controls,
2422 	.num_controls = ARRAY_SIZE(mt6358_snd_controls),
2423 	.dapm_widgets = mt6358_dapm_widgets,
2424 	.num_dapm_widgets = ARRAY_SIZE(mt6358_dapm_widgets),
2425 	.dapm_routes = mt6358_dapm_routes,
2426 	.num_dapm_routes = ARRAY_SIZE(mt6358_dapm_routes),
2427 };
2428 
2429 static int mt6358_platform_driver_probe(struct platform_device *pdev)
2430 {
2431 	struct mt6358_priv *priv;
2432 	struct mt6397_chip *mt6397 = dev_get_drvdata(pdev->dev.parent);
2433 
2434 	priv = devm_kzalloc(&pdev->dev,
2435 			    sizeof(struct mt6358_priv),
2436 			    GFP_KERNEL);
2437 	if (!priv)
2438 		return -ENOMEM;
2439 
2440 	dev_set_drvdata(&pdev->dev, priv);
2441 
2442 	priv->dev = &pdev->dev;
2443 
2444 	priv->regmap = mt6397->regmap;
2445 	if (IS_ERR(priv->regmap))
2446 		return PTR_ERR(priv->regmap);
2447 
2448 	dev_info(priv->dev, "%s(), dev name %s\n",
2449 		 __func__, dev_name(&pdev->dev));
2450 
2451 	return devm_snd_soc_register_component(&pdev->dev,
2452 				      &mt6358_soc_component_driver,
2453 				      mt6358_dai_driver,
2454 				      ARRAY_SIZE(mt6358_dai_driver));
2455 }
2456 
2457 static const struct of_device_id mt6358_of_match[] = {
2458 	{.compatible = "mediatek,mt6358-sound",},
2459 	{}
2460 };
2461 MODULE_DEVICE_TABLE(of, mt6358_of_match);
2462 
2463 static struct platform_driver mt6358_platform_driver = {
2464 	.driver = {
2465 		.name = "mt6358-sound",
2466 		.of_match_table = mt6358_of_match,
2467 	},
2468 	.probe = mt6358_platform_driver_probe,
2469 };
2470 
2471 module_platform_driver(mt6358_platform_driver)
2472 
2473 /* Module information */
2474 MODULE_DESCRIPTION("MT6358 ALSA SoC codec driver");
2475 MODULE_AUTHOR("KaiChieh Chuang <kaichieh.chuang@mediatek.com>");
2476 MODULE_LICENSE("GPL v2");
2477