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-rw-r--r--include/media/v4l2-ctrls.h2
-rw-r--r--include/media/v4l2-event.h4
-rw-r--r--include/media/v4l2-ioctl.h4
3 files changed, 5 insertions, 5 deletions
diff --git a/include/media/v4l2-ctrls.h b/include/media/v4l2-ctrls.h
index 7ef6b27d450..6890f5e11ad 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);
diff --git a/include/media/v4l2-event.h b/include/media/v4l2-event.h
index 2885a810a12..e7c5d170a9c 100644
--- a/include/media/v4l2-event.h
+++ b/include/media/v4l2-event.h
@@ -124,10 +124,10 @@ void v4l2_event_queue(struct video_device *vdev, const struct v4l2_event *ev);
void v4l2_event_queue_fh(struct v4l2_fh *fh, const struct v4l2_event *ev);
int v4l2_event_pending(struct v4l2_fh *fh);
int v4l2_event_subscribe(struct v4l2_fh *fh,
- struct v4l2_event_subscription *sub, unsigned elems,
+ const struct v4l2_event_subscription *sub, unsigned elems,
const struct v4l2_subscribed_event_ops *ops);
int v4l2_event_unsubscribe(struct v4l2_fh *fh,
- struct v4l2_event_subscription *sub);
+ const struct v4l2_event_subscription *sub);
void v4l2_event_unsubscribe_all(struct v4l2_fh *fh);
#endif /* V4L2_EVENT_H */
diff --git a/include/media/v4l2-ioctl.h b/include/media/v4l2-ioctl.h
index 865f95d92ba..3eef4de0ca3 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,