[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>
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Mauro Carvalho Chehab
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ec6f432810
commit
85f5fe3962
@@ -124,10 +124,10 @@ void v4l2_event_queue(struct video_device *vdev, const struct v4l2_event *ev);
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void v4l2_event_queue_fh(struct v4l2_fh *fh, const struct v4l2_event *ev);
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int v4l2_event_pending(struct v4l2_fh *fh);
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int v4l2_event_subscribe(struct v4l2_fh *fh,
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struct v4l2_event_subscription *sub, unsigned elems,
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const struct v4l2_event_subscription *sub, unsigned elems,
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const struct v4l2_subscribed_event_ops *ops);
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int v4l2_event_unsubscribe(struct v4l2_fh *fh,
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struct v4l2_event_subscription *sub);
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const struct v4l2_event_subscription *sub);
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void v4l2_event_unsubscribe_all(struct v4l2_fh *fh);
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#endif /* V4L2_EVENT_H */
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