Toggle the audio output mute status of a given audio device during voice calls.
#include <audio/audio_manager_volume.h>
int audio_manager_toggle_voice_output_mute(audio_manager_device_t dev)
The audio device that the toggle is applied to.
The audio_manager_toggle_voice_output_mute() function toggles the mute status of the audio output of a given audio device during voice calls.
A process must have either an effective user ID of root, or the authman capability of access_audio_manager, to use this function.
Note that this function is intended for use by system components. Therefore, it is not suitable for all applications.
EOK upon success, negative errno upon failure.