From 1a0063a9852380190a7172c1a1cb79e934b06cd4 Mon Sep 17 00:00:00 2001 From: Guennadi Liakhovetski Date: Fri, 4 Apr 2008 13:46:34 -0300 Subject: 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 Reviewed-by: Brandon Philips Signed-off-by: Mauro Carvalho Chehab --- include/media/soc_camera.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'include/media') 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 { -- cgit v1.2.3