RT5640_MICBIAS
snd_soc_component_update_bits(component, RT5640_MICBIAS,
snd_soc_component_update_bits(component, RT5640_MICBIAS,
snd_soc_component_update_bits(component, RT5640_MICBIAS, 0x0030, 0x0030);
case RT5640_MICBIAS: