CEC_MSG_SYSTEM_AUDIO_MODE_STATUS
[CEC_MSG_SYSTEM_AUDIO_MODE_STATUS] = 3 | DIRECTED,
case CEC_MSG_SYSTEM_AUDIO_MODE_STATUS:
msg->msg[1] = CEC_MSG_SYSTEM_AUDIO_MODE_STATUS;
msg->reply = reply ? CEC_MSG_SYSTEM_AUDIO_MODE_STATUS : 0;