MT6351_ZCD_CON0
regmap_update_bits(cmpnt->regmap, MT6351_ZCD_CON0, 0x7 << 8, 0x1 << 8);
regmap_update_bits(cmpnt->regmap, MT6351_ZCD_CON0, 0x1 << 7, 0x0 << 7);
regmap_update_bits(cmpnt->regmap, MT6351_ZCD_CON0, 0x1 << 6, 0x1 << 6);
regmap_update_bits(cmpnt->regmap, MT6351_ZCD_CON0, 0x3 << 4, 0x0 << 4);
regmap_update_bits(cmpnt->regmap, MT6351_ZCD_CON0, 0x7 << 1, 0x5 << 1);
regmap_update_bits(cmpnt->regmap, MT6351_ZCD_CON0, 0x1 << 0, 0x1 << 0);
regmap_write(cmpnt->regmap, MT6351_ZCD_CON0, 0x0000);