diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h
index c768c9f..eec6e46 100644
--- a/include/media/v4l2-dev.h
+++ b/include/media/v4l2-dev.h
@@ -24,7 +24,8 @@
 #define VFL_TYPE_VBI		1
 #define VFL_TYPE_RADIO		2
 #define VFL_TYPE_SUBDEV		3
-#define VFL_TYPE_MAX		4
+#define VFL_TYPE_SDR		4
+#define VFL_TYPE_MAX		5
 
 /* Is this a receiver, transmitter or mem-to-mem? */
 /* Ignored for VFL_TYPE_SUBDEV. */