RK3308_DAC_ANA_CON01
regmap_update_bits(rk3308->regmap, RK3308_DAC_ANA_CON01,
SND_SOC_DAPM_SUPPLY("DAC_BUF_REF_L", RK3308_DAC_ANA_CON01, 2, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY("DAC_BUF_REF_R", RK3308_DAC_ANA_CON01, 6, 0, NULL, 0),