diff --git a/include/gui/SurfaceComposerClient.h b/include/gui/SurfaceComposerClient.h
index 9161dbb..73f923c 100644
--- a/include/gui/SurfaceComposerClient.h
+++ b/include/gui/SurfaceComposerClient.h
@@ -138,6 +138,8 @@
     status_t    setLayerStack(const sp<IBinder>& id, uint32_t layerStack);
     status_t    deferTransactionUntil(const sp<IBinder>& id,
             const sp<IBinder>& handle, uint64_t frameNumber);
+    status_t    setOverrideScalingMode(const sp<IBinder>& id,
+            int32_t overrideScalingMode);
     status_t    destroySurface(const sp<IBinder>& id);
 
     status_t clearLayerFrameStats(const sp<IBinder>& token) const;
diff --git a/include/gui/SurfaceControl.h b/include/gui/SurfaceControl.h
index 35644db..bedebb6 100644
--- a/include/gui/SurfaceControl.h
+++ b/include/gui/SurfaceControl.h
@@ -77,6 +77,11 @@
     // identified by handle reaches the given frameNumber
     status_t deferTransactionUntil(sp<IBinder> handle, uint64_t frameNumber);
 
+    // Set an override scaling mode as documented in <system/window.h>
+    // the override scaling mode will take precedence over any client
+    // specified scaling mode. -1 will clear the override scaling mode.
+    status_t setOverrideScalingMode(int32_t overrideScalingMode);
+
     static status_t writeSurfaceToParcel(
             const sp<SurfaceControl>& control, Parcel* parcel);