RTC_REG_SECONDS_1
via_rtc_command(RTC_CMD_READ(RTC_REG_SECONDS_1), &last_result.cdata[2]);
via_rtc_command(RTC_CMD_READ(RTC_REG_SECONDS_1),
via_rtc_command(RTC_CMD_WRITE(RTC_REG_SECONDS_1), &data.cdata[2]);