diff --git a/services/audioflinger/AudioFlinger.h b/services/audioflinger/AudioFlinger.h
index 077fa26..323ce0e 100644
--- a/services/audioflinger/AudioFlinger.h
+++ b/services/audioflinger/AudioFlinger.h
@@ -425,6 +425,8 @@
 
     bool        btNrecIsOff() const { return mBtNrecIsOff.load(); }
 
+    void             lock() ACQUIRE(mLock) { mLock.lock(); }
+    void             unlock() RELEASE(mLock) { mLock.unlock(); }
 
 private: