diff --git a/include/ui/PixelFormat.h b/include/ui/PixelFormat.h
index f46f25c..848c5a1 100644
--- a/include/ui/PixelFormat.h
+++ b/include/ui/PixelFormat.h
@@ -55,7 +55,7 @@
 
     PIXEL_FORMAT_OPAQUE         = -1,
         // System chooses an opaque format (no alpha bits required)
-    
+
     // real pixel formats supported for rendering -----------------------------
 
     PIXEL_FORMAT_RGBA_8888   = HAL_PIXEL_FORMAT_RGBA_8888,  // 4x8-bit RGBA
@@ -84,7 +84,7 @@
         INDEX_GREEN   = 2,
         INDEX_BLUE    = 3
     };
-    
+
     enum { // components
         ALPHA               = 1,
         RGB                 = 2,
@@ -98,10 +98,10 @@
         uint8_t h;
         uint8_t l;
     };
-    
+
     inline PixelFormatInfo() : version(sizeof(PixelFormatInfo)) { }
     size_t getScanlineSize(unsigned int width) const;
-    size_t getSize(size_t ci) const { 
+    size_t getSize(size_t ci) const {
         return (ci <= 3) ? (cinfo[ci].h - cinfo[ci].l) : 0;
     }
     size_t      version;
@@ -112,7 +112,7 @@
         szinfo      cinfo[4];
         struct {
             uint8_t     h_alpha;
-            uint8_t     l_alpha;    
+            uint8_t     l_alpha;
             uint8_t     h_red;
             uint8_t     l_red;
             uint8_t     h_green;
diff --git a/libs/gui/SurfaceTextureClient.cpp b/libs/gui/SurfaceTextureClient.cpp
index b4d76bb..688b99b 100644
--- a/libs/gui/SurfaceTextureClient.cpp
+++ b/libs/gui/SurfaceTextureClient.cpp
@@ -55,6 +55,9 @@
     mQueryWidth = 0;
     mQueryHeight = 0;
     mQueryFormat = 0;
+    mDefaultWidth = 0;
+    mDefaultHeight = 0;
+    mTransformHint = 0;
     mConnectedToCpu = false;
 }
 
diff --git a/libs/ui/FramebufferNativeWindow.cpp b/libs/ui/FramebufferNativeWindow.cpp
index 412552e..0e8ae61 100644
--- a/libs/ui/FramebufferNativeWindow.cpp
+++ b/libs/ui/FramebufferNativeWindow.cpp
@@ -310,35 +310,21 @@
         int operation, ...)
 {
     switch (operation) {
-        case NATIVE_WINDOW_SET_USAGE:
-            // TODO: we should implement this
-            return NO_ERROR;
         case NATIVE_WINDOW_CONNECT:
-            // TODO: we should implement this
-            return NO_ERROR;
         case NATIVE_WINDOW_DISCONNECT:
-            // TODO: we should implement this
-            return NO_ERROR;
-        case NATIVE_WINDOW_LOCK:
-            return INVALID_OPERATION;
-        case NATIVE_WINDOW_UNLOCK_AND_POST:
-            return INVALID_OPERATION;
-        case NATIVE_WINDOW_SET_CROP:
-            return INVALID_OPERATION;
-        case NATIVE_WINDOW_SET_BUFFER_COUNT:
-            // TODO: we should implement this
-            return INVALID_OPERATION;
+        case NATIVE_WINDOW_SET_USAGE:
         case NATIVE_WINDOW_SET_BUFFERS_GEOMETRY:
-            return INVALID_OPERATION;
-        case NATIVE_WINDOW_SET_BUFFERS_TRANSFORM:
-            return INVALID_OPERATION;
-        case NATIVE_WINDOW_SET_BUFFERS_TIMESTAMP:
-            return INVALID_OPERATION;
         case NATIVE_WINDOW_SET_BUFFERS_DIMENSIONS:
-            return INVALID_OPERATION;
         case NATIVE_WINDOW_SET_BUFFERS_FORMAT:
-            // TODO: we should implement this
+        case NATIVE_WINDOW_SET_BUFFERS_TRANSFORM:
+            // TODO: we should implement these
             return NO_ERROR;
+
+        case NATIVE_WINDOW_LOCK:
+        case NATIVE_WINDOW_UNLOCK_AND_POST:
+        case NATIVE_WINDOW_SET_CROP:
+        case NATIVE_WINDOW_SET_BUFFER_COUNT:
+        case NATIVE_WINDOW_SET_BUFFERS_TIMESTAMP:
         case NATIVE_WINDOW_SET_SCALING_MODE:
             return INVALID_OPERATION;
     }
diff --git a/services/surfaceflinger/SurfaceTextureLayer.cpp b/services/surfaceflinger/SurfaceTextureLayer.cpp
index 11f61cc..40659d4 100644
--- a/services/surfaceflinger/SurfaceTextureLayer.cpp
+++ b/services/surfaceflinger/SurfaceTextureLayer.cpp
@@ -60,6 +60,10 @@
 
     sp<Layer> layer(mLayer.promote());
     if (layer != NULL) {
+        uint32_t orientation = layer->getOrientation();
+        if (orientation & Transform::ROT_INVALID) {
+            orientation = 0;
+        }
         *outTransform = layer->getOrientation();
     }