RTC_CMD_WRITE_DISABLE
if ((buf[0] & ~RTC_CMD_WRITE_DISABLE) != 0) {
if ((buf[0] & ~RTC_CMD_WRITE_DISABLE) != 0) {
*bp++ = RTC_CMD_WRITE_DISABLE;
if (buf[0] != RTC_CMD_WRITE_DISABLE) {
*bp++ = RTC_CMD_WRITE_DISABLE;