WM8900_REG_RADC_DV
snd_soc_component_update_bits(component, WM8900_REG_RADC_DV, 0x100, 0x100);
WM8900_REG_LADC_DV, WM8900_REG_RADC_DV, 1, 119, 0, adc_tlv),