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| author | Hans Verkuil <hverkuil@xs4all.nl> | 2010-09-20 22:39:46 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-10-21 05:06:14 +0200 |
| commit | 08bff03ed697a583612b62a6ac566bd5bce98012 (patch) | |
| tree | 733cf5b266cd7c5b064209dccd7ad6f18d989101 /include/media/videobuf-core.h | |
| parent | V4L/DVB: videobuf: prepare to make locking optional in videobuf (diff) | |
| download | linux-08bff03ed697a583612b62a6ac566bd5bce98012.tar.xz linux-08bff03ed697a583612b62a6ac566bd5bce98012.zip | |
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>
Diffstat (limited to 'include/media/videobuf-core.h')
| -rw-r--r-- | include/media/videobuf-core.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/media/videobuf-core.h b/include/media/videobuf-core.h index f5eb2cbf3002..9a4194557e4a 100644 --- a/include/media/videobuf-core.h +++ b/include/media/videobuf-core.h @@ -198,7 +198,8 @@ void videobuf_queue_core_init(struct videobuf_queue *q, 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); |