35 static void tas2770_reset(struct tas2770_priv *tas2770)  in tas2770_reset()  argument
37 	if (tas2770->reset_gpio) {  in tas2770_reset()
38 		gpiod_set_value_cansleep(tas2770->reset_gpio, 0);  in tas2770_reset()
40 		gpiod_set_value_cansleep(tas2770->reset_gpio, 1);  in tas2770_reset()
44 	snd_soc_component_write(tas2770->component, TAS2770_SW_RST,  in tas2770_reset()
49 static int tas2770_update_pwr_ctrl(struct tas2770_priv *tas2770)  in tas2770_update_pwr_ctrl()  argument
51 	struct snd_soc_component *component = tas2770->component;  in tas2770_update_pwr_ctrl()
55 	if (tas2770->dac_powered)  in tas2770_update_pwr_ctrl()
56 		val = tas2770->unmuted ?  in tas2770_update_pwr_ctrl()
72 	struct tas2770_priv *tas2770 = snd_soc_component_get_drvdata(component);  in tas2770_codec_suspend()  local
75 	regcache_cache_only(tas2770->regmap, true);  in tas2770_codec_suspend()
76 	regcache_mark_dirty(tas2770->regmap);  in tas2770_codec_suspend()
78 	if (tas2770->sdz_gpio) {  in tas2770_codec_suspend()
79 		gpiod_set_value_cansleep(tas2770->sdz_gpio, 0);  in tas2770_codec_suspend()
85 			regcache_cache_only(tas2770->regmap, false);  in tas2770_codec_suspend()
86 			regcache_sync(tas2770->regmap);  in tas2770_codec_suspend()
98 	struct tas2770_priv *tas2770 = snd_soc_component_get_drvdata(component);  in tas2770_codec_resume()  local
101 	if (tas2770->sdz_gpio) {  in tas2770_codec_resume()
102 		gpiod_set_value_cansleep(tas2770->sdz_gpio, 1);  in tas2770_codec_resume()
105 		ret = tas2770_update_pwr_ctrl(tas2770);  in tas2770_codec_resume()
110 	regcache_cache_only(tas2770->regmap, false);  in tas2770_codec_resume()
112 	return regcache_sync(tas2770->regmap);  in tas2770_codec_resume()
135 	struct tas2770_priv *tas2770 =  in tas2770_dac_event()  local
141 		tas2770->dac_powered = 1;  in tas2770_dac_event()
142 		ret = tas2770_update_pwr_ctrl(tas2770);  in tas2770_dac_event()
145 		tas2770->dac_powered = 0;  in tas2770_dac_event()
146 		ret = tas2770_update_pwr_ctrl(tas2770);  in tas2770_dac_event()
149 		dev_err(tas2770->dev, "Not supported evevt\n");  in tas2770_dac_event()
187 	struct tas2770_priv *tas2770 =  in tas2770_mute()  local
190 	tas2770->unmuted = !mute;  in tas2770_mute()
191 	return tas2770_update_pwr_ctrl(tas2770);  in tas2770_mute()
194 static int tas2770_set_bitwidth(struct tas2770_priv *tas2770, int bitwidth)  in tas2770_set_bitwidth()  argument
197 	struct snd_soc_component *component = tas2770->component;  in tas2770_set_bitwidth()
204 		tas2770->v_sense_slot = tas2770->i_sense_slot + 2;  in tas2770_set_bitwidth()
210 		tas2770->v_sense_slot = tas2770->i_sense_slot + 4;  in tas2770_set_bitwidth()
216 		tas2770->v_sense_slot = tas2770->i_sense_slot + 4;  in tas2770_set_bitwidth()
230 		tas2770->v_sense_slot);  in tas2770_set_bitwidth()
238 					    tas2770->i_sense_slot);  in tas2770_set_bitwidth()
245 static int tas2770_set_samplerate(struct tas2770_priv *tas2770, int samplerate)  in tas2770_set_samplerate()  argument
247 	struct snd_soc_component *component = tas2770->component;  in tas2770_set_samplerate()
295 	struct tas2770_priv *tas2770 =  in tas2770_hw_params()  local
299 	ret = tas2770_set_bitwidth(tas2770, params_format(params));  in tas2770_hw_params()
303 	return tas2770_set_samplerate(tas2770, params_rate(params));  in tas2770_hw_params()
309 	struct tas2770_priv *tas2770 =  in tas2770_set_fmt()  local
318 		dev_err(tas2770->dev, "ASI invalid DAI clocking\n");  in tas2770_set_fmt()
336 		dev_err(tas2770->dev, "ASI format Inverse is not found\n");  in tas2770_set_fmt()
364 		dev_err(tas2770->dev,  in tas2770_set_fmt()
494 	struct tas2770_priv *tas2770 =  in tas2770_codec_probe()  local
497 	tas2770->component = component;  in tas2770_codec_probe()
499 	if (tas2770->sdz_gpio) {  in tas2770_codec_probe()
500 		gpiod_set_value_cansleep(tas2770->sdz_gpio, 1);  in tas2770_codec_probe()
504 	tas2770_reset(tas2770);  in tas2770_codec_probe()
505 	regmap_reinit_cache(tas2770->regmap, &tas2770_i2c_regmap);  in tas2770_codec_probe()
534 static int tas2770_register_codec(struct tas2770_priv *tas2770)  in tas2770_register_codec()  argument
536 	return devm_snd_soc_register_component(tas2770->dev,  in tas2770_register_codec()
624 static int tas2770_parse_dt(struct device *dev, struct tas2770_priv *tas2770)  in tas2770_parse_dt()  argument
629 				      &tas2770->i_sense_slot);  in tas2770_parse_dt()
631 		dev_info(tas2770->dev, "Property %s is missing setting default slot\n",  in tas2770_parse_dt()
634 		tas2770->i_sense_slot = 0;  in tas2770_parse_dt()
638 				      &tas2770->v_sense_slot);  in tas2770_parse_dt()
640 		dev_info(tas2770->dev, "Property %s is missing setting default slot\n",  in tas2770_parse_dt()
643 		tas2770->v_sense_slot = 2;  in tas2770_parse_dt()
646 	tas2770->sdz_gpio = devm_gpiod_get_optional(dev, "shutdown", GPIOD_OUT_HIGH);  in tas2770_parse_dt()
647 	if (IS_ERR(tas2770->sdz_gpio)) {  in tas2770_parse_dt()
648 		if (PTR_ERR(tas2770->sdz_gpio) == -EPROBE_DEFER)  in tas2770_parse_dt()
651 		tas2770->sdz_gpio = NULL;  in tas2770_parse_dt()
659 	struct tas2770_priv *tas2770;  in tas2770_i2c_probe()  local
662 	tas2770 = devm_kzalloc(&client->dev, sizeof(struct tas2770_priv),  in tas2770_i2c_probe()
664 	if (!tas2770)  in tas2770_i2c_probe()
667 	tas2770->dev = &client->dev;  in tas2770_i2c_probe()
668 	i2c_set_clientdata(client, tas2770);  in tas2770_i2c_probe()
669 	dev_set_drvdata(&client->dev, tas2770);  in tas2770_i2c_probe()
671 	tas2770->regmap = devm_regmap_init_i2c(client, &tas2770_i2c_regmap);  in tas2770_i2c_probe()
672 	if (IS_ERR(tas2770->regmap)) {  in tas2770_i2c_probe()
673 		result = PTR_ERR(tas2770->regmap);  in tas2770_i2c_probe()
680 		result = tas2770_parse_dt(&client->dev, tas2770);  in tas2770_i2c_probe()
682 			dev_err(tas2770->dev, "%s: Failed to parse devicetree\n",  in tas2770_i2c_probe()
688 	tas2770->reset_gpio = devm_gpiod_get_optional(tas2770->dev, "reset",  in tas2770_i2c_probe()
690 	if (IS_ERR(tas2770->reset_gpio)) {  in tas2770_i2c_probe()
691 		if (PTR_ERR(tas2770->reset_gpio) == -EPROBE_DEFER) {  in tas2770_i2c_probe()
692 			tas2770->reset_gpio = NULL;  in tas2770_i2c_probe()
697 	result = tas2770_register_codec(tas2770);  in tas2770_i2c_probe()
699 		dev_err(tas2770->dev, "Register codec failed.\n");  in tas2770_i2c_probe()