MT6358_ZCD_CON3
regmap_write(priv->regmap, MT6358_ZCD_CON3, DL_GAIN_N_40DB);
case MT6358_ZCD_CON3:
regmap_read(priv->regmap, MT6358_ZCD_CON3, ®);
MT6358_ZCD_CON3, 0, 0x12, 1,