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| author | Guennadi Liakhovetski <g.liakhovetski@pengutronix.de> | 2008-04-04 13:46:34 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-04-24 14:07:57 -0300 |
| commit | 1a0063a9852380190a7172c1a1cb79e934b06cd4 (patch) | |
| tree | 71b91bdeaae1b72c3718507dec6922f609b9edd0 /include/media | |
| parent | b8d9904c3525c0a149976ffaad48fcb03e8703f7 (diff) | |
| download | linux-1a0063a9852380190a7172c1a1cb79e934b06cd4.tar.gz linux-1a0063a9852380190a7172c1a1cb79e934b06cd4.tar.bz2 linux-1a0063a9852380190a7172c1a1cb79e934b06cd4.zip | |
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.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/media/soc_camera.h b/include/media/soc_camera.h index 80e1193c07d5..6a8c8be7a1ae 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 { |