DS3231_SECS
error = iicdev_readfrom(sc->sc_dev, DS3231_SECS, data, sizeof(data),
bct.sec = data[DS3231_SECS] & DS3231_SECS_MASK;
data[DS3231_SECS] = bct.sec;
error = iicdev_writeto(dev, DS3231_SECS, data, sizeof(data),