V4L/DVB: videobuf: add ext_lock argument to the queue init functions
Add an ext_lock argument to the videobuf init functions. This allows
drivers to pass the vdev->lock pointer (or any other externally held lock)
to videobuf. For now all drivers just pass NULL.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/include/media/videobuf-core.h b/include/media/videobuf-core.h
index f5eb2cb..9a41945 100644
--- a/include/media/videobuf-core.h
+++ b/include/media/videobuf-core.h
@@ -198,7 +198,8 @@
enum v4l2_field field,
unsigned int msize,
void *priv,
- struct videobuf_qtype_ops *int_ops);
+ struct videobuf_qtype_ops *int_ops,
+ struct mutex *ext_lock);
int videobuf_queue_is_busy(struct videobuf_queue *q);
void videobuf_queue_cancel(struct videobuf_queue *q);