ds1374_read_rtc
ret = ds1374_read_rtc(client, &itime, DS1374_REG_TOD0, 4);
ret = ds1374_read_rtc(client, &now, DS1374_REG_TOD0, 4);
ret = ds1374_read_rtc(client, &cur_alarm, DS1374_REG_WDALM0, 3);
return ds1374_read_rtc(ds1374->client, &val, DS1374_REG_WDALM0, 3);