Increase the audio output level of a device.
#include <audio/audio_manager_volume.h>
int audio_manager_increase_output_level(audio_manager_device_t dev)
BlackBerry 10.0.0
The audio device which to apply the output level increase.
The audio_manager_increase_output_level() function increases the audio output level of the device. The amount or step of the output level increase is defined by the specified audio device.
EOK upon success, a negative errno upon failure. The errno values are available in the errno.h file.