diff --git a/include/media/IAudioFlinger.h b/include/media/IAudioFlinger.h
index fc8be20..2c960be 100644
--- a/include/media/IAudioFlinger.h
+++ b/include/media/IAudioFlinger.h
@@ -89,6 +89,7 @@
                                 track_flags_t *flags,
                                 pid_t tid,  // -1 means unused, otherwise must be valid non-0
                                 int *sessionId,
+                                size_t *notificationFrames,
                                 sp<IMemory>& cblk,
                                 sp<IMemory>& buffers,   // return value 0 means it follows cblk
                                 status_t *status) = 0;