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V4L/DVB: videobuf: add ext_lock argument to the queue init functions

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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>
This commit is contained in:
Hans Verkuil
2010-09-20 17:39:46 -03:00
committed by Mauro Carvalho Chehab
parent 9739768788
commit 08bff03ed6
28 changed files with 48 additions and 37 deletions
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3
include/media/videobuf-vmalloc.h
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@@ -36,7 +36,8 @@ void videobuf_queue_vmalloc_init(struct videobuf_queue *q,
enum v4l2_buf_type type,
enum v4l2_field field,
unsigned int msize,
void *priv);
void *priv,
struct mutex *ext_lock);
void *videobuf_to_vmalloc(struct videobuf_buffer *buf);