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authorGuennadi Liakhovetski <g.liakhovetski@pengutronix.de>2008-04-04 13:46:34 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2008-04-24 14:07:57 -0300
commit1a0063a9852380190a7172c1a1cb79e934b06cd4 (patch)
tree71b91bdeaae1b72c3718507dec6922f609b9edd0 /include/media
parentb8d9904c3525c0a149976ffaad48fcb03e8703f7 (diff)
V4L/DVB (7501): soc-camera: use a spinlock for videobuffer queue
All drivers should provide a spinlock to be used in videobuf operations. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@pengutronix.de> Reviewed-by: Brandon Philips <bphilips@suse.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'include/media')
-rw-r--r--include/media/soc_camera.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/media/soc_camera.h b/include/media/soc_camera.h
index 80e1193c07d..6a8c8be7a1a 100644
--- a/include/media/soc_camera.h
+++ b/include/media/soc_camera.h
@@ -48,6 +48,7 @@ struct soc_camera_device {
struct soc_camera_file {
struct soc_camera_device *icd;
struct videobuf_queue vb_vidq;
+ spinlock_t *lock;
};
struct soc_camera_host {
@@ -73,6 +74,8 @@ struct soc_camera_host_ops {
int (*try_bus_param)(struct soc_camera_device *, __u32);
int (*set_bus_param)(struct soc_camera_device *, __u32);
unsigned int (*poll)(struct file *, poll_table *);
+ spinlock_t* (*spinlock_alloc)(struct soc_camera_file *);
+ void (*spinlock_free)(spinlock_t *);
};
struct soc_camera_link {