diff --git a/services/audioflinger/PlaybackTracks.h b/services/audioflinger/PlaybackTracks.h
index 971f6a5..d9f570d 100644
--- a/services/audioflinger/PlaybackTracks.h
+++ b/services/audioflinger/PlaybackTracks.h
@@ -112,6 +112,14 @@
     /** Copy the track metadata in the provided iterator. Thread safe. */
     virtual void    copyMetadataTo(MetadataInserter& backInserter) const;
 
+            /** Return haptic playback of the track is enabled or not, used in mixer. */
+            bool    getHapticPlaybackEnabled() const { return mHapticPlaybackEnabled; }
+            /** Set haptic playback of the track is enabled or not, should be
+             *  set after query or get callback from vibrator service */
+            void    setHapticPlaybackEnabled(bool hapticPlaybackEnabled) {
+                mHapticPlaybackEnabled = hapticPlaybackEnabled;
+            }
+
 protected:
     // for numerous
     friend class PlaybackThread;
@@ -188,6 +196,8 @@
 
     sp<media::VolumeHandler>  mVolumeHandler; // handles multiple VolumeShaper configs and operations
 
+    bool                mHapticPlaybackEnabled = false; // indicates haptic playback enabled or not
+
 private:
     // The following fields are only for fast tracks, and should be in a subclass
     int                 mFastIndex; // index within FastMixerState::mFastTracks[];