diff --git a/include/linux/media.h b/include/linux/media.h
index 17432318..e3123d1a 100644
--- a/include/linux/media.h
+++ b/include/linux/media.h
@@ -222,6 +222,7 @@ struct media_pad_desc {
 #define MEDIA_LNK_FL_LINK_TYPE			(0xf << 28)
 #  define MEDIA_LNK_FL_DATA_LINK		(0 << 28)
 #  define MEDIA_LNK_FL_INTERFACE_LINK		(1 << 28)
+#  define MEDIA_LNK_FL_ANCILLARY_LINK		(2 << 28)
 
 struct media_link_desc {
 	struct media_pad_desc source;