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| author | James Morris <james.l.morris@oracle.com> | 2014-11-19 21:32:12 +1100 |
|---|---|---|
| committer | James Morris <james.l.morris@oracle.com> | 2014-11-19 21:32:12 +1100 |
| commit | b10778a00d40b3d9fdaaf5891e802794781ff71c (patch) | |
| tree | 6ba4cbac86eecedc3f30650e7f764ecf00c83898 /drivers/media/v4l2-core/v4l2-fh.c | |
| parent | 594081ee7145cc30a3977cb4e218f81213b63dc5 (diff) | |
| parent | bfe01a5ba2490f299e1d2d5508cbbbadd897bbe9 (diff) | |
Merge commit 'v3.17' into next
Diffstat (limited to 'drivers/media/v4l2-core/v4l2-fh.c')
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-fh.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/media/v4l2-core/v4l2-fh.c b/drivers/media/v4l2-core/v4l2-fh.c index e57c002b415..c97067a25bd 100644 --- a/drivers/media/v4l2-core/v4l2-fh.c +++ b/drivers/media/v4l2-core/v4l2-fh.c @@ -37,6 +37,13 @@ void v4l2_fh_init(struct v4l2_fh *fh, struct video_device *vdev) fh->ctrl_handler = vdev->ctrl_handler; INIT_LIST_HEAD(&fh->list); set_bit(V4L2_FL_USES_V4L2_FH, &fh->vdev->flags); + /* + * determine_valid_ioctls() does not know if struct v4l2_fh + * is used by this driver, but here we do. So enable the + * prio ioctls here. + */ + set_bit(_IOC_NR(VIDIOC_G_PRIORITY), vdev->valid_ioctls); + set_bit(_IOC_NR(VIDIOC_S_PRIORITY), vdev->valid_ioctls); fh->prio = V4L2_PRIORITY_UNSET; init_waitqueue_head(&fh->wait); INIT_LIST_HEAD(&fh->available); @@ -49,8 +56,7 @@ void v4l2_fh_add(struct v4l2_fh *fh) { unsigned long flags; - if (test_bit(V4L2_FL_USE_FH_PRIO, &fh->vdev->flags)) - v4l2_prio_open(fh->vdev->prio, &fh->prio); + 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); @@ -78,8 +84,7 @@ 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); - if (test_bit(V4L2_FL_USE_FH_PRIO, &fh->vdev->flags)) - v4l2_prio_close(fh->vdev->prio, fh->prio); + v4l2_prio_close(fh->vdev->prio, fh->prio); } EXPORT_SYMBOL_GPL(v4l2_fh_del); |