RTC_REG_SECONDS_3
via_rtc_command(RTC_CMD_READ(RTC_REG_SECONDS_3), &last_result.cdata[0]);
via_rtc_command(RTC_CMD_READ(RTC_REG_SECONDS_3),
via_rtc_command(RTC_CMD_WRITE(RTC_REG_SECONDS_3), &data.cdata[0]);