RDAC_VOL
u8 rdac_reg = snd_soc_component_read(component, RDAC_VOL) & ~MUTE_ON;
snd_soc_component_write(component, RDAC_VOL, rdac_reg | MUTE_ON);
snd_soc_component_write(component, RDAC_VOL, rdac_reg);
snd_soc_component_write(component, RDAC_VOL, DEFAULT_VOL | MUTE_ON);
LDAC_VOL, RDAC_VOL, 0, 0x7f, 1, dac_tlv),