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

Browse source 
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 <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
This commit is contained in:
Hans Verkuil 2010-09-20 17:39:46 -03:00 • committed by Mauro Carvalho Chehab
commit 08bff03ed6
28 changed files with 48 additions and 37 deletions
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3
include/media/videobuf-core.h
View file

@ -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);

3
include/media/videobuf-dma-contig.h
View file

@ -23,7 +23,8 @@ void videobuf_queue_dma_contig_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);
dma_addr_t videobuf_to_dma_contig(struct videobuf_buffer *buf);
void videobuf_dma_contig_free(struct videobuf_queue *q,

3
include/media/videobuf-dma-sg.h
View file

@ -103,7 +103,8 @@ void videobuf_queue_sg_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);
#endif /* _VIDEOBUF_DMA_SG_H */

3
include/media/videobuf-vmalloc.h
View file

@ -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);