diff --git a/services/audioflinger/Tracks.cpp b/services/audioflinger/Tracks.cpp
index db67be6..2042050 100644
--- a/services/audioflinger/Tracks.cpp
+++ b/services/audioflinger/Tracks.cpp
@@ -727,9 +727,13 @@
 
 status_t AudioFlinger::PlaybackThread::Track::getTimestamp(AudioTimestamp& timestamp)
 {
+    // Client should implement this using SSQ; the unpresented frame count in latch is irrelevant
+    if (isFastTrack()) {
+        return INVALID_OPERATION;
+    }
     sp<ThreadBase> thread = mThread.promote();
     if (thread == 0) {
-        return false;
+        return INVALID_OPERATION;
     }
     Mutex::Autolock _l(thread->mLock);
     PlaybackThread *playbackThread = (PlaybackThread *)thread.get();