CEC_MSG_GIVE_SYSTEM_AUDIO_MODE_STATUS 1016 drivers/media/cec/cec-adap.c [CEC_MSG_GIVE_SYSTEM_AUDIO_MODE_STATUS] = 2 | DIRECTED, CEC_MSG_GIVE_SYSTEM_AUDIO_MODE_STATUS 1501 include/uapi/linux/cec-funcs.h msg->msg[1] = CEC_MSG_GIVE_SYSTEM_AUDIO_MODE_STATUS;