[Privileged]Set the use of the unsafe range of the headphone output volume.
#include <audio/audio_manager_volume.h>
int audio_manager_set_headphone_volume_unsafe_zone(bool enable)
True, if the extra volume range is allowed; false, otherwise.
The audio_manager_set_headphone_volume_unsafezone() function sets the enable status of the unsafe volume range of the headphone output to allow an extra volume range to the headphone output.
EOK upon success, negative errno upon failure.