diff --git a/include/media/v4l2-event.h b/include/media/v4l2-event.h
index 5f14e88..88fa9a1 100644
--- a/include/media/v4l2-event.h
+++ b/include/media/v4l2-event.h
@@ -78,6 +78,19 @@
 	struct v4l2_event	event;
 };
 
+/** struct v4l2_subscribed_event_ops - Subscribed event operations.
+  * @add:	Optional callback, called when a new listener is added
+  * @del:	Optional callback, called when a listener stops listening
+  * @replace:	Optional callback that can replace event 'old' with event 'new'.
+  * @merge:	Optional callback that can merge event 'old' into event 'new'.
+  */
+struct v4l2_subscribed_event_ops {
+	int  (*add)(struct v4l2_subscribed_event *sev);
+	void (*del)(struct v4l2_subscribed_event *sev);
+	void (*replace)(struct v4l2_event *old, const struct v4l2_event *new);
+	void (*merge)(const struct v4l2_event *old, struct v4l2_event *new);
+};
+
 /** struct v4l2_subscribed_event - Internal struct representing a subscribed event.
   * @list:	List node for the v4l2_fh->subscribed list.
   * @type:	Event type.
@@ -85,8 +98,7 @@
   * @flags:	Copy of v4l2_event_subscription->flags.
   * @fh:	Filehandle that subscribed to this event.
   * @node:	List node that hooks into the object's event list (if there is one).
-  * @replace:	Optional callback that can replace event 'old' with event 'new'.
-  * @merge:	Optional callback that can merge event 'old' into event 'new'.
+  * @ops:	v4l2_subscribed_event_ops
   * @elems:	The number of elements in the events array.
   * @first:	The index of the events containing the oldest available event.
   * @in_use:	The number of queued events.
@@ -99,10 +111,7 @@
 	u32			flags;
 	struct v4l2_fh		*fh;
 	struct list_head	node;
-	void			(*replace)(struct v4l2_event *old,
-					   const struct v4l2_event *new);
-	void			(*merge)(const struct v4l2_event *old,
-					 struct v4l2_event *new);
+	const struct v4l2_subscribed_event_ops *ops;
 	unsigned		elems;
 	unsigned		first;
 	unsigned		in_use;
@@ -115,7 +124,8 @@
 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);
+			 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);
 void v4l2_event_unsubscribe_all(struct v4l2_fh *fh);