On (20/03/06 14:57), Hans Verkuil wrote: [..] > > * @lock: pointer to a mutex that protects the &struct vb2_queue. The > > * driver can set this to a mutex to let the v4l2 core serialize > > * the queuing ioctls. If the driver wants to handle locking > > @@ -564,6 +573,7 @@ struct vb2_queue { > > unsigned requires_requests:1; > > unsigned uses_qbuf:1; > > unsigned uses_requests:1; > > + unsigned allow_cache_hints:1; Shall I use "unsigned int" here instead of "unsigned"? -ss