diff --git a/include/media/media-device.h b/include/media/media-device.h
index f6deef6..9493721 100644
--- a/include/media/media-device.h
+++ b/include/media/media-device.h
@@ -42,6 +42,7 @@
  * @hw_revision: Hardware device revision
  * @driver_version: Device driver version
  * @entity_id:	Unique ID used on the last entity registered
+ * @pad_id:	Unique ID used on the last pad registered
  * @entities:	List of registered entities
  * @lock:	Entities list lock
  * @graph_mutex: Entities graph operation lock
@@ -69,6 +70,7 @@
 	u32 driver_version;
 
 	u32 entity_id;
+	u32 pad_id;
 
 	struct list_head entities;