LTC2983_STATUS_REG
ret = regmap_write(st->regmap, LTC2983_STATUS_REG, start_conversion);
ret = regmap_write(st->regmap, LTC2983_STATUS_REG,
ret = regmap_read_poll_timeout(st->regmap, LTC2983_STATUS_REG, status,
regmap_reg_range(LTC2983_STATUS_REG, LTC2983_STATUS_REG),
regmap_read(st->regmap, LTC2983_STATUS_REG, &dummy);
return regmap_write(st->regmap, LTC2983_STATUS_REG, LTC2983_SLEEP);