NAU8540_REG_MUTE
{NAU8540_REG_MUTE, 0x0000},
case NAU8540_REG_VMID_CTRL ... NAU8540_REG_MUTE:
case NAU8540_REG_VMID_CTRL ... NAU8540_REG_MUTE:
regmap_update_bits(regmap, NAU8540_REG_MUTE,
regmap_update_bits(regmap, NAU8540_REG_MUTE,