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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-ctrls.h
parentec6f4328108f1c83d5ac907c0d978fa886ef9627 (diff)
[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-ctrls.h')
-rw-r--r--include/media/v4l2-ctrls.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/media/v4l2-ctrls.h b/include/media/v4l2-ctrls.h
index 7ef6b27d450f..6890f5e11ad0 100644
--- a/include/media/v4l2-ctrls.h
+++ b/include/media/v4l2-ctrls.h
@@ -546,7 +546,7 @@ int v4l2_ctrl_log_status(struct file *file, void *fh);
/* Can be used as a vidioc_subscribe_event function that just subscribes
control events. */
int v4l2_ctrl_subscribe_event(struct v4l2_fh *fh,
- struct v4l2_event_subscription *sub);
+ const struct v4l2_event_subscription *sub);
/* Can be used as a poll function that just polls for control events. */
unsigned int v4l2_ctrl_poll(struct file *file, struct poll_table_struct *wait);

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