diff --git a/audio/4.0/IDevicesFactory.hal b/audio/4.0/IDevicesFactory.hal
index 0e45bc7..b884c6b 100644
--- a/audio/4.0/IDevicesFactory.hal
+++ b/audio/4.0/IDevicesFactory.hal
@@ -41,7 +41,9 @@
         STUB,
         CODEC_OFFLOAD,
         SECONDARY,
-        AUXILIARY
+        AUXILIARY,
+        /** Multi Stream Decoder */
+        MSD
     };
 
     /**