MAX9850_VOLUME
snd_soc_component_update_bits(component, MAX9850_VOLUME, 0x40, 0x40);
SOC_SINGLE_TLV("Headphone Volume", MAX9850_VOLUME, 0, 0x3f, 1, max9850_tlv),
SOC_SINGLE("Headphone Switch", MAX9850_VOLUME, 7, 1, 1),