NAU8540_REG_DIGITAL_GAIN_CH4  112 sound/soc/codecs/nau8540.c 	{NAU8540_REG_DIGITAL_GAIN_CH4, 0x0400},
NAU8540_REG_DIGITAL_GAIN_CH4  193 sound/soc/codecs/nau8540.c 	SOC_SINGLE_TLV("Mic4 Volume", NAU8540_REG_DIGITAL_GAIN_CH4,