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authorHans Verkuil <hverkuil@xs4all.nl>2010-12-29 13:36:50 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2011-03-22 16:37:56 -0300
commitfc5602be7ca5b55174c5d6595089718779b28dfa (patch)
tree135b5632bb714d8786abb1a96fe50d7dd5a794a3 /drivers/media/video/v4l2-fh.c
parent0f62fd6a2fa12d6a63cbb18f9e30b05345f636f6 (diff)
[media] v4l2-fh: implement v4l2_priority support
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/v4l2-fh.c')
-rw-r--r--drivers/media/video/v4l2-fh.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/media/video/v4l2-fh.c b/drivers/media/video/v4l2-fh.c
index d78f184f40c..78a1608a09d 100644
--- a/drivers/media/video/v4l2-fh.c
+++ b/drivers/media/video/v4l2-fh.c
@@ -33,6 +33,8 @@ int v4l2_fh_init(struct v4l2_fh *fh, struct video_device *vdev)
fh->vdev = vdev;
INIT_LIST_HEAD(&fh->list);
set_bit(V4L2_FL_USES_V4L2_FH, &fh->vdev->flags);
+ fh->prio = V4L2_PRIORITY_UNSET;
+ BUG_ON(vdev->prio == NULL);
/*
* fh->events only needs to be initialized if the driver
@@ -51,6 +53,7 @@ void v4l2_fh_add(struct v4l2_fh *fh)
{
unsigned long flags;
+ v4l2_prio_open(fh->vdev->prio, &fh->prio);
spin_lock_irqsave(&fh->vdev->fh_lock, flags);
list_add(&fh->list, &fh->vdev->fh_list);
spin_unlock_irqrestore(&fh->vdev->fh_lock, flags);
@@ -64,6 +67,7 @@ void v4l2_fh_del(struct v4l2_fh *fh)
spin_lock_irqsave(&fh->vdev->fh_lock, flags);
list_del_init(&fh->list);
spin_unlock_irqrestore(&fh->vdev->fh_lock, flags);
+ v4l2_prio_close(fh->vdev->prio, fh->prio);
}
EXPORT_SYMBOL_GPL(v4l2_fh_del);