NAU8540_REG_DIGITAL_GAIN_CH2  110 sound/soc/codecs/nau8540.c 	{NAU8540_REG_DIGITAL_GAIN_CH2, 0x0400},
NAU8540_REG_DIGITAL_GAIN_CH2  189 sound/soc/codecs/nau8540.c 	SOC_SINGLE_TLV("Mic2 Volume", NAU8540_REG_DIGITAL_GAIN_CH2,