MT6358_LDO_VCN33_CON0_1
ret = regmap_read(mt6397->regmap, MT6358_LDO_VCN33_CON0_1, &val);
ret = regmap_update_bits(mt6397->regmap, MT6358_LDO_VCN33_CON0_1, BIT(0), 0);