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[media] v4l2: make vidioc_(un)subscribe_event const

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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>
This commit is contained in:
Hans Verkuil
2012-09-04 11:46:09 -03:00
committed by Mauro Carvalho Chehab
parent ec6f432810
commit 85f5fe3962
9 changed files with 15 additions and 15 deletions
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4
include/media/v4l2-ioctl.h
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@@ -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,