diff --git a/services/audioflinger/TrackBase.h b/services/audioflinger/TrackBase.h
index a3ea756..a7e966f 100644
--- a/services/audioflinger/TrackBase.h
+++ b/services/audioflinger/TrackBase.h
@@ -54,6 +54,11 @@
         TYPE_PATCH,
     };
 
+    enum {
+        TRACK_NAME_PENDING = -1,
+        TRACK_NAME_FAILURE = -2,
+    };
+
                         TrackBase(ThreadBase *thread,
                                 const sp<Client>& client,
                                 uint32_t sampleRate,