BH1745_PERSISTENCE
regmap_reg_range(BH1745_PERSISTENCE, BH1745_TL_MSB),
regmap_reg_range(BH1745_PERSISTENCE, BH1745_TL_MSB),
ret = regmap_read(data->regmap, BH1745_PERSISTENCE, val);
ret = regmap_write(data->regmap, BH1745_PERSISTENCE, val);