diff --git a/libs/gui/SurfaceTexture.cpp b/libs/gui/SurfaceTexture.cpp
index 88f1728..1dadd53 100644
--- a/libs/gui/SurfaceTexture.cpp
+++ b/libs/gui/SurfaceTexture.cpp
@@ -166,6 +166,9 @@
     mLastQueued = buf;
     mLastQueuedCrop = mNextCrop;
     mLastQueuedTransform = mNextTransform;
+    if (mFrameAvailableListener != 0) {
+        mFrameAvailableListener->onFrameAvailable();
+    }
     return OK;
 }
 
@@ -294,6 +297,13 @@
     mtxMul(mtx, mtxFlipV, mtxBeforeFlipV);
 }
 
+void SurfaceTexture::setFrameAvailableListener(
+        const sp<FrameAvailableListener>& l) {
+    LOGV("SurfaceTexture::setFrameAvailableListener");
+    Mutex::Autolock lock(mMutex);
+    mFrameAvailableListener = l;
+}
+
 void SurfaceTexture::freeAllBuffers() {
     for (int i = 0; i < NUM_BUFFER_SLOTS; i++) {
         mSlots[i].mGraphicBuffer = 0;