SetHasAudio
Sets a Boolean value that indicates the box’s audio support.
Declaration
kern_return_t SetHasAudio(bool in_has_audio);Parameters
- in_has_audio:
trueif the box supports audio; otherwise,false.
Return Value
kIOReturnSuccess on success, or another value if an error occurs. For a list of error codes, see Error Codes.
Discussion
If successful, changing the audio support value sends a notification to the host to update the object state.
This method synchronizes by using the work queue created by the object.