diff --git a/services/core/java/com/android/server/media/MediaSessionService.java b/services/core/java/com/android/server/media/MediaSessionService.java
index 4f6b8f2..1a0f81d 100644
--- a/services/core/java/com/android/server/media/MediaSessionService.java
+++ b/services/core/java/com/android/server/media/MediaSessionService.java
@@ -742,6 +742,10 @@
             final int pid = Binder.getCallingPid();
             final int uid = Binder.getCallingUid();
             final long token = Binder.clearCallingIdentity();
+            if (DEBUG) {
+                Log.d(TAG, "dispatchMediaKeyEvent, pid=" + pid + ", uid=" + uid + ", event="
+                        + keyEvent);
+            }
 
             try {
                 synchronized (mLock) {