REG_BL_CONF_1
ret = regmap_read(pchip->regmap, REG_BL_CONF_1, ®_val);
regmap_update_bits(pchip->regmap, REG_BL_CONF_1, 0x10,
regmap_update_bits(pchip->regmap, REG_BL_CONF_1, 0x10,
regmap_update_bits(pchip->regmap, REG_BL_CONF_1, 0x08,