74 	struct snd_soc_component *component = dai->component;  in wm8728_mute()  local
75 	u16 mute_reg = snd_soc_component_read(component, WM8728_DACCTL);  in wm8728_mute()
78 		snd_soc_component_write(component, WM8728_DACCTL, mute_reg | 1);  in wm8728_mute()
80 		snd_soc_component_write(component, WM8728_DACCTL, mute_reg & ~1);  in wm8728_mute()
89 	struct snd_soc_component *component = dai->component;  in wm8728_hw_params()  local
90 	u16 dac = snd_soc_component_read(component, WM8728_DACCTL);  in wm8728_hw_params()
107 	snd_soc_component_write(component, WM8728_DACCTL, dac);  in wm8728_hw_params()
115 	struct snd_soc_component *component = codec_dai->component;  in wm8728_set_dai_fmt()  local
116 	u16 iface = snd_soc_component_read(component, WM8728_IFCTL);  in wm8728_set_dai_fmt()
156 	snd_soc_component_write(component, WM8728_IFCTL, iface);  in wm8728_set_dai_fmt()
160 static int wm8728_set_bias_level(struct snd_soc_component *component,  in wm8728_set_bias_level()  argument
163 	struct wm8728_priv *wm8728 = snd_soc_component_get_drvdata(component);  in wm8728_set_bias_level()
170 		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {  in wm8728_set_bias_level()
172 			reg = snd_soc_component_read(component, WM8728_DACCTL);  in wm8728_set_bias_level()
173 			snd_soc_component_write(component, WM8728_DACCTL, reg & ~0x4);  in wm8728_set_bias_level()
181 		reg = snd_soc_component_read(component, WM8728_DACCTL);  in wm8728_set_bias_level()
182 		snd_soc_component_write(component, WM8728_DACCTL, reg | 0x4);  in wm8728_set_bias_level()