SSM2518_REG_MUTE_CTRL
SOC_SINGLE("Playback De-emphasis Switch", SSM2518_REG_MUTE_CTRL,
SOC_DOUBLE("Master Playback Switch", SSM2518_REG_MUTE_CTRL, 2, 1, 1, 1),
return regmap_update_bits(ssm2518->regmap, SSM2518_REG_MUTE_CTRL,