NAU8821_R2C_DAC_CTRL1
{ NAU8821_R2C_DAC_CTRL1, 0x0082 },
regmap_update_bits(regmap, NAU8821_R2C_DAC_CTRL1,
SOC_ENUM_SINGLE(NAU8821_R2C_DAC_CTRL1, NAU8821_DAC_OVERSAMPLE_SFT,
regmap_read(nau8821->regmap, NAU8821_R2C_DAC_CTRL1, &osr);