NAU8821_R6B_PGA_MUTE
regmap_update_bits(regmap, NAU8821_R6B_PGA_MUTE,
{ NAU8821_R6B_PGA_MUTE, 0x0 },
case NAU8821_R68_TRIM_SETTINGS ... NAU8821_R6B_PGA_MUTE:
case NAU8821_R68_TRIM_SETTINGS ... NAU8821_R6B_PGA_MUTE: