diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp
index 43260c2..0825cb4 100644
--- a/services/audioflinger/AudioFlinger.cpp
+++ b/services/audioflinger/AudioFlinger.cpp
@@ -466,15 +466,8 @@
 
 bool AudioFlinger::dumpTryLock(Mutex& mutex)
 {
-    bool locked = false;
-    for (int i = 0; i < kDumpLockRetries; ++i) {
-        if (mutex.tryLock() == NO_ERROR) {
-            locked = true;
-            break;
-        }
-        usleep(kDumpLockSleepUs);
-    }
-    return locked;
+    status_t err = mutex.timedLock(kDumpLockTimeoutNs);
+    return err == NO_ERROR;
 }
 
 status_t AudioFlinger::dump(int fd, const Vector<String16>& args)
diff --git a/services/audioflinger/AudioFlinger.h b/services/audioflinger/AudioFlinger.h
index 8ac3366..5a65ea8 100644
--- a/services/audioflinger/AudioFlinger.h
+++ b/services/audioflinger/AudioFlinger.h
@@ -431,8 +431,7 @@
     static uint32_t         mScreenState;
 
     // Internal dump utilities.
-    static const int kDumpLockRetries = 50;
-    static const int kDumpLockSleepUs = 20000;
+    static const int kDumpLockTimeoutNs = 1 * NANOS_PER_SECOND;
     static bool dumpTryLock(Mutex& mutex);
     void dumpPermissionDenial(int fd, const Vector<String16>& args);
     void dumpClients(int fd, const Vector<String16>& args);