diff --git a/services/audioflinger/FastCaptureDumpState.h b/services/audioflinger/FastCaptureDumpState.h
index ee99099..6f9c4c3 100644
--- a/services/audioflinger/FastCaptureDumpState.h
+++ b/services/audioflinger/FastCaptureDumpState.h
@@ -27,6 +27,8 @@
     FastCaptureDumpState();
     /*virtual*/ ~FastCaptureDumpState();
 
+    void dump(int fd) const;    // should only be called on a stable copy, not the original
+
     // FIXME by renaming, could pull up many of these to FastThreadDumpState
     uint32_t mReadSequence;     // incremented before and after each read()
     uint32_t mFramesRead;       // total number of frames read successfully