Cancel a synchronization
#include <mmsync/mmsyncclient.h>
int mm_sync_cancel(mmsync_hdl_t *hdl,
unsigned op_id,
uint32_t flags)
Cancel a synchronization. You can do this if a device is no longer of interest or if playback is requested from a device that's being synchronized and that has problems with simultaneous playback and synchronization.
0 on success, -1 on failure.