diff --git a/services/audioflinger/PlaybackTracks.h b/services/audioflinger/PlaybackTracks.h
index b4cb805..826ba65 100644
--- a/services/audioflinger/PlaybackTracks.h
+++ b/services/audioflinger/PlaybackTracks.h
@@ -194,7 +194,8 @@
     sp<os::ExternalVibration> getExternalVibration() const final { return mExternalVibration; }
 
             // This function should be called with holding thread lock.
-    void updateTeePatches_l() final;
+    void updateTeePatches_l() final REQUIRES(audio_utils::ThreadBase_Mutex)
+            EXCLUDES_BELOW_ThreadBase_Mutex;
     void setTeePatchesToUpdate_l(TeePatches teePatchesToUpdate) final;
 
     void tallyUnderrunFrames(size_t frames) final {