diff --git a/services/sensorservice/SensorDevice.cpp b/services/sensorservice/SensorDevice.cpp
index f307297..ebc7eb1 100644
--- a/services/sensorservice/SensorDevice.cpp
+++ b/services/sensorservice/SensorDevice.cpp
@@ -361,6 +361,12 @@
     return Return<void>();
 }
 
+void SensorDevice::writeWakeLockHandled(uint32_t count) {
+    if (mSensors->supportsMessageQueues() && !mWakeLockQueue->write(&count)) {
+        ALOGW("Failed to write wake lock handled");
+    }
+}
+
 void SensorDevice::autoDisable(void *ident, int handle) {
     Mutex::Autolock _l(mLock);
     ssize_t activationIndex = mActivationCount.indexOfKey(handle);
diff --git a/services/sensorservice/SensorDevice.h b/services/sensorservice/SensorDevice.h
index d481ed2..282550f 100644
--- a/services/sensorservice/SensorDevice.h
+++ b/services/sensorservice/SensorDevice.h
@@ -82,6 +82,7 @@
     int getHalDeviceVersion() const;
 
     ssize_t poll(sensors_event_t* buffer, size_t count);
+    void writeWakeLockHandled(uint32_t count);
 
     status_t activate(void* ident, int handle, int enabled);
     status_t batch(void* ident, int handle, int flags, int64_t samplingPeriodNs,
diff --git a/services/sensorservice/SensorService.cpp b/services/sensorservice/SensorService.cpp
index 3822ee1..7c56e5c 100644
--- a/services/sensorservice/SensorService.cpp
+++ b/services/sensorservice/SensorService.cpp
@@ -651,16 +651,18 @@
         // sending events to clients (incrementing SensorEventConnection::mWakeLockRefCount) should
         // not be interleaved with decrementing SensorEventConnection::mWakeLockRefCount and
         // releasing the wakelock.
-        bool bufferHasWakeUpEvent = false;
+        uint32_t wakeEvents = 0;
         for (int i = 0; i < count; i++) {
             if (isWakeUpSensorEvent(mSensorEventBuffer[i])) {
-                bufferHasWakeUpEvent = true;
-                break;
+                wakeEvents++;
             }
         }
 
-        if (bufferHasWakeUpEvent && !mWakeLockAcquired) {
-            setWakeLockAcquiredLocked(true);
+        if (wakeEvents > 0) {
+            if (!mWakeLockAcquired) {
+                setWakeLockAcquiredLocked(true);
+            }
+            device.writeWakeLockHandled(wakeEvents);
         }
         recordLastValueLocked(mSensorEventBuffer, count);