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authorHans Verkuil <hans.verkuil@cisco.com>2012-09-04 11:46:09 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-09-26 10:48:52 -0300
commit85f5fe3962ca6780e5368feffe32f3b15e953e1f (patch)
treee3a5441ee86e62d3ca8423308f32c7a32ae68677 /include/media/v4l2-ioctl.h
parentec6f4328108f1c83d5ac907c0d978fa886ef9627 (diff)
downloadlinux-85f5fe3962ca6780e5368feffe32f3b15e953e1f.tar.bz2
[media] v4l2: make vidioc_(un)subscribe_event const
Write-only ioctls should have a const argument in the ioctl op. Do this conversion for vidioc_(un)subscribe_event. Adding const for write-only ioctls was decided during the 2012 Media Workshop. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'include/media/v4l2-ioctl.h')
-rw-r--r--include/media/v4l2-ioctl.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/media/v4l2-ioctl.h b/include/media/v4l2-ioctl.h
index 865f95d92ba8..3eef4de0ca33 100644
--- a/include/media/v4l2-ioctl.h
+++ b/include/media/v4l2-ioctl.h
@@ -273,9 +273,9 @@ struct v4l2_ioctl_ops {
struct v4l2_dv_timings_cap *cap);
int (*vidioc_subscribe_event) (struct v4l2_fh *fh,
- struct v4l2_event_subscription *sub);
+ const struct v4l2_event_subscription *sub);
int (*vidioc_unsubscribe_event)(struct v4l2_fh *fh,
- struct v4l2_event_subscription *sub);
+ const struct v4l2_event_subscription *sub);
/* For other private ioctls */
long (*vidioc_default) (struct file *file, void *fh,