AMC6821_REG_DCY_LOW_TEMP
AMC6821_REG_DCY_LOW_TEMP,
err = regmap_read(data->regmap, AMC6821_REG_DCY_LOW_TEMP, &val);
err = regmap_read(regmap, AMC6821_REG_DCY_LOW_TEMP, &pwm);
ret = regmap_write(regmap, AMC6821_REG_DCY_LOW_TEMP, val);