CW2015_REG_CONFIG
ret = regmap_write(cw_bat->regmap, CW2015_REG_CONFIG, reg_val);
ret = regmap_read(cw_bat->regmap, CW2015_REG_CONFIG, ®_val);
ret = regmap_write(cw_bat->regmap, CW2015_REG_CONFIG, reg_val);
ret = regmap_read(cw_bat->regmap, CW2015_REG_CONFIG, ®_val);
regmap_reg_range(CW2015_REG_VCELL, CW2015_REG_CONFIG),
regmap_reg_range(CW2015_REG_RRT_ALERT, CW2015_REG_CONFIG),