soc/codecs/wm8731.c

3  * wm8731.c  --  WM8731 ALSA SoC Audio driver
29 #include "wm8731.h"
39  * wm8731 register cache
70 	struct wm8731_priv *wm8731 = snd_soc_component_get_drvdata(component);
76 	if (wm8731->deemph) {
79 			if (abs(wm8731_deemph[i] - wm8731->playback_fs) <
80 			    abs(wm8731_deemph[best] - wm8731->playback_fs))
100 	struct wm8731_priv *wm8731 = snd_soc_component_get_drvdata(component);
102 	ucontrol->value.integer.value[0] = wm8731->deemph;
111 	struct wm8731_priv *wm8731 = snd_soc_component_get_drvdata(component);
118 	mutex_lock(&wm8731->lock);
119 	if (wm8731->deemph != deemph) {
120 		wm8731->deemph = deemph;
126 	mutex_unlock(&wm8731->lock);
195 	struct wm8731_priv *wm8731 = snd_soc_component_get_drvdata(component);
197 	return wm8731->sysclk_type == WM8731_SYSCLK_XTAL;
318 	struct wm8731_priv *wm8731 = snd_soc_component_get_drvdata(component);
320 	int i = get_coeff(wm8731->sysclk, params_rate(params));
324 	wm8731->playback_fs = params_rate(params);
366 	struct wm8731_priv *wm8731 = snd_soc_component_get_drvdata(component);
371 		if (wm8731->mclk && clk_set_rate(wm8731->mclk, freq))
373 		wm8731->sysclk_type = clk_id;
381 		wm8731->constraints = NULL;
384 		wm8731->constraints = &wm8731_constraints_12000000;
388 		wm8731->constraints = &wm8731_constraints_12288000_18432000;
392 		wm8731->constraints = &wm8731_constraints_11289600_16934400;
398 	wm8731->sysclk = freq;
467 	struct wm8731_priv *wm8731 = snd_soc_component_get_drvdata(component);
473 		if (wm8731->mclk) {
474 			ret = clk_prepare_enable(wm8731->mclk);
483 			ret = regulator_bulk_enable(ARRAY_SIZE(wm8731->supplies),
484 						    wm8731->supplies);
488 			regcache_sync(wm8731->regmap);
496 		if (wm8731->mclk)
497 			clk_disable_unprepare(wm8731->mclk);
499 		regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies),
500 				       wm8731->supplies);
501 		regcache_mark_dirty(wm8731->regmap);
510 	struct wm8731_priv *wm8731 = snd_soc_component_get_drvdata(dai->component);
512 	if (wm8731->constraints)
515 					   wm8731->constraints);
535 	.name = "wm8731-hifi",
566 int wm8731_init(struct device *dev, struct wm8731_priv *wm8731)
570 	wm8731->mclk = devm_clk_get(dev, "mclk");
571 	if (IS_ERR(wm8731->mclk)) {
572 		ret = PTR_ERR(wm8731->mclk);
574 			wm8731->mclk = NULL;
582 	mutex_init(&wm8731->lock);
584 	for (i = 0; i < ARRAY_SIZE(wm8731->supplies); i++)
585 		wm8731->supplies[i].supply = wm8731_supply_names[i];
587 	ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(wm8731->supplies),
588 				 wm8731->supplies);
594 	ret = regulator_bulk_enable(ARRAY_SIZE(wm8731->supplies),
595 				    wm8731->supplies);
601 	ret = wm8731_reset(wm8731->regmap);
608 	regmap_write(wm8731->regmap, WM8731_PWR, 0x7f);
611 	regmap_update_bits(wm8731->regmap, WM8731_LOUT1V, 0x100, 0);
612 	regmap_update_bits(wm8731->regmap, WM8731_ROUT1V, 0x100, 0);
613 	regmap_update_bits(wm8731->regmap, WM8731_LINVOL, 0x100, 0);
614 	regmap_update_bits(wm8731->regmap, WM8731_RINVOL, 0x100, 0);
617 	regmap_update_bits(wm8731->regmap, WM8731_APANA, 0x8, 0);
619 	regcache_mark_dirty(wm8731->regmap);
632 	regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies), wm8731->supplies);