WM8904_DAC_MUTE 1833 sound/soc/codecs/wm8904.c val = WM8904_DAC_MUTE; WM8904_DAC_MUTE 1837 sound/soc/codecs/wm8904.c snd_soc_component_update_bits(component, WM8904_DAC_DIGITAL_1, WM8904_DAC_MUTE, val);