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>
diff --git a/include/media/soc_camera.h b/include/media/soc_camera.h
index 80e1193..6a8c8be 100644
--- a/include/media/soc_camera.h
+++ b/include/media/soc_camera.h
@@ -48,6 +48,7 @@
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 @@
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 {