CEC_MSG_VENDOR_COMMAND_WITH_ID
[CEC_MSG_VENDOR_COMMAND_WITH_ID] = 5 | BOTH,
msg->len > 1 && msg->msg[1] == CEC_MSG_VENDOR_COMMAND_WITH_ID;
case CEC_MSG_VENDOR_COMMAND_WITH_ID: {
msg->msg[1] = CEC_MSG_VENDOR_COMMAND_WITH_ID;