diff --git a/include/ui/Input.h b/include/ui/Input.h
index c9f694a..f1385a0 100644
--- a/include/ui/Input.h
+++ b/include/ui/Input.h
@@ -206,10 +206,17 @@
 
     float getAxisValue(int32_t axis) const;
     status_t setAxisValue(int32_t axis, float value);
-    float* editAxisValue(int32_t axis);
 
     void scale(float scale);
 
+    inline float getX() const {
+        return getAxisValue(AMOTION_EVENT_AXIS_X);
+    }
+
+    inline float getY() const {
+        return getAxisValue(AMOTION_EVENT_AXIS_Y);
+    }
+
 #ifdef HAVE_ANDROID_OS
     status_t readFromParcel(Parcel* parcel);
     status_t writeToParcel(Parcel* parcel) const;
diff --git a/include/utils/BitSet.h b/include/utils/BitSet.h
index 600017e..9452e86 100644
--- a/include/utils/BitSet.h
+++ b/include/utils/BitSet.h
@@ -68,6 +68,30 @@
     // Result is undefined if all bits are unmarked.
     inline uint32_t lastMarkedBit() const { return 31 - __builtin_ctz(value); }
 
+    // Finds the first marked bit in the set and clears it.  Returns the bit index.
+    // Result is undefined if all bits are unmarked.
+    inline uint32_t clearFirstMarkedBit() {
+        uint32_t n = firstMarkedBit();
+        clearBit(n);
+        return n;
+    }
+
+    // Finds the first unmarked bit in the set and marks it.  Returns the bit index.
+    // Result is undefined if all bits are marked.
+    inline uint32_t markFirstUnmarkedBit() {
+        uint32_t n = firstUnmarkedBit();
+        markBit(n);
+        return n;
+    }
+
+    // Finds the last marked bit in the set and clears it.  Returns the bit index.
+    // Result is undefined if all bits are unmarked.
+    inline uint32_t clearLastMarkedBit() {
+        uint32_t n = lastMarkedBit();
+        clearBit(n);
+        return n;
+    }
+
     // Gets the index of the specified bit in the set, which is the number of
     // marked bits that appear before the specified bit.
     inline uint32_t getIndexOfBit(uint32_t n) const {
diff --git a/libs/gui/SurfaceTexture.cpp b/libs/gui/SurfaceTexture.cpp
index 16755ad..4f51f03 100644
--- a/libs/gui/SurfaceTexture.cpp
+++ b/libs/gui/SurfaceTexture.cpp
@@ -168,18 +168,18 @@
         }
     }
 
+    const int minBufferSlots = mSynchronousMode ?
+            MIN_SYNC_BUFFER_SLOTS : MIN_ASYNC_BUFFER_SLOTS;
     if (bufferCount == 0) {
-        const int minBufferSlots = mSynchronousMode ?
-                MIN_SYNC_BUFFER_SLOTS : MIN_ASYNC_BUFFER_SLOTS;
         mClientBufferCount = 0;
         bufferCount = (mServerBufferCount >= minBufferSlots) ?
                 mServerBufferCount : minBufferSlots;
         return setBufferCountServerLocked(bufferCount);
     }
 
-    // We don't allow the client to set a buffer-count less than
-    // MIN_ASYNC_BUFFER_SLOTS (3), there is no reason for it.
-    if (bufferCount < MIN_ASYNC_BUFFER_SLOTS) {
+    if (bufferCount < minBufferSlots) {
+        LOGE("setBufferCount: requested buffer count (%d) is less than "
+                "minimum (%d)", bufferCount, minBufferSlots);
         return BAD_VALUE;
     }
 
diff --git a/libs/gui/SurfaceTextureClient.cpp b/libs/gui/SurfaceTextureClient.cpp
index e6837ea..d1037de 100644
--- a/libs/gui/SurfaceTextureClient.cpp
+++ b/libs/gui/SurfaceTextureClient.cpp
@@ -258,10 +258,10 @@
     int res = NO_ERROR;
     switch (operation) {
     case NATIVE_WINDOW_CONNECT:
-        res = dispatchConnect(args);
+        // deprecated. must return NO_ERROR.
         break;
     case NATIVE_WINDOW_DISCONNECT:
-        res = dispatchDisconnect(args);
+        // deprecated. must return NO_ERROR.
         break;
     case NATIVE_WINDOW_SET_USAGE:
         res = dispatchSetUsage(args);
@@ -296,6 +296,12 @@
     case NATIVE_WINDOW_SET_SCALING_MODE:
         res = dispatchSetScalingMode(args);
         break;
+    case NATIVE_WINDOW_API_CONNECT:
+        res = dispatchConnect(args);
+        break;
+    case NATIVE_WINDOW_API_DISCONNECT:
+        res = dispatchDisconnect(args);
+        break;
     default:
         res = NAME_NOT_FOUND;
         break;
diff --git a/libs/ui/FramebufferNativeWindow.cpp b/libs/ui/FramebufferNativeWindow.cpp
index 0e8ae61..8949730 100644
--- a/libs/ui/FramebufferNativeWindow.cpp
+++ b/libs/ui/FramebufferNativeWindow.cpp
@@ -317,6 +317,8 @@
         case NATIVE_WINDOW_SET_BUFFERS_DIMENSIONS:
         case NATIVE_WINDOW_SET_BUFFERS_FORMAT:
         case NATIVE_WINDOW_SET_BUFFERS_TRANSFORM:
+        case NATIVE_WINDOW_API_CONNECT:
+        case NATIVE_WINDOW_API_DISCONNECT:
             // TODO: we should implement these
             return NO_ERROR;
 
diff --git a/libs/ui/GraphicBufferAllocator.cpp b/libs/ui/GraphicBufferAllocator.cpp
index 33ef1fc..e75415b 100644
--- a/libs/ui/GraphicBufferAllocator.cpp
+++ b/libs/ui/GraphicBufferAllocator.cpp
@@ -61,13 +61,19 @@
     const size_t c = list.size();
     for (size_t i=0 ; i<c ; i++) {
         const alloc_rec_t& rec(list.valueAt(i));
-        snprintf(buffer, SIZE, "%10p: %7.2f KiB | %4u (%4u) x %4u | %8X | 0x%08x\n",
-            list.keyAt(i), rec.size/1024.0f, 
-            rec.w, rec.s, rec.h, rec.format, rec.usage);
+        if (rec.size) {
+            snprintf(buffer, SIZE, "%10p: %7.2f KiB | %4u (%4u) x %4u | %8X | 0x%08x\n",
+                    list.keyAt(i), rec.size/1024.0f,
+                    rec.w, rec.s, rec.h, rec.format, rec.usage);
+        } else {
+            snprintf(buffer, SIZE, "%10p: unknown     | %4u (%4u) x %4u | %8X | 0x%08x\n",
+                    list.keyAt(i),
+                    rec.w, rec.s, rec.h, rec.format, rec.usage);
+        }
         result.append(buffer);
         total += rec.size;
     }
-    snprintf(buffer, SIZE, "Total allocated: %.2f KB\n", total/1024.0f);
+    snprintf(buffer, SIZE, "Total allocated (estimate): %.2f KB\n", total/1024.0f);
     result.append(buffer);
     if (mAllocDev->common.version >= 1 && mAllocDev->dump) {
         mAllocDev->dump(mAllocDev, buffer, SIZE);
@@ -101,13 +107,19 @@
     if (err == NO_ERROR) {
         Mutex::Autolock _l(sLock);
         KeyedVector<buffer_handle_t, alloc_rec_t>& list(sAllocList);
+        int bpp = bytesPerPixel(format);
+        if (bpp < 0) {
+            // probably a HAL custom format. in any case, we don't know
+            // what its pixel size is.
+            bpp = 0;
+        }
         alloc_rec_t rec;
         rec.w = w;
         rec.h = h;
         rec.s = *stride;
         rec.format = format;
         rec.usage = usage;
-        rec.size = h * stride[0] * bytesPerPixel(format);
+        rec.size = h * stride[0] * bpp;
         list.add(*handle, rec);
     }
 
diff --git a/libs/ui/Input.cpp b/libs/ui/Input.cpp
index 0af7f80..688b998 100644
--- a/libs/ui/Input.cpp
+++ b/libs/ui/Input.cpp
@@ -280,6 +280,9 @@
     uint64_t axisBit = 1LL << axis;
     uint32_t index = __builtin_popcountll(bits & (axisBit - 1LL));
     if (!(bits & axisBit)) {
+        if (value == 0) {
+            return OK; // axes with value 0 do not need to be stored
+        }
         uint32_t count = __builtin_popcountll(bits);
         if (count >= MAX_AXES) {
             tooManyAxes(axis);
@@ -294,23 +297,10 @@
     return OK;
 }
 
-float* PointerCoords::editAxisValue(int32_t axis) {
-    if (axis < 0 || axis > 63) {
-        return NULL;
-    }
-
-    uint64_t axisBit = 1LL << axis;
-    if (!(bits & axisBit)) {
-        return NULL;
-    }
-    uint32_t index = __builtin_popcountll(bits & (axisBit - 1LL));
-    return &values[index];
-}
-
 static inline void scaleAxisValue(PointerCoords& c, int axis, float scaleFactor) {
-    float* value = c.editAxisValue(axis);
-    if (value) {
-        *value *= scaleFactor;
+    float value = c.getAxisValue(axis);
+    if (value != 0) {
+        c.setAxisValue(axis, value * scaleFactor);
     }
 }
 
@@ -574,20 +564,14 @@
     size_t numSamples = mSamplePointerCoords.size();
     for (size_t i = 0; i < numSamples; i++) {
         PointerCoords& c = mSamplePointerCoords.editItemAt(i);
-        float* xPtr = c.editAxisValue(AMOTION_EVENT_AXIS_X);
-        float* yPtr = c.editAxisValue(AMOTION_EVENT_AXIS_Y);
-        if (xPtr && yPtr) {
-            float x = *xPtr + oldXOffset;
-            float y = *yPtr + oldYOffset;
-            matrix->mapXY(SkFloatToScalar(x), SkFloatToScalar(y), & point);
-            *xPtr = SkScalarToFloat(point.fX) - newXOffset;
-            *yPtr = SkScalarToFloat(point.fY) - newYOffset;
-        }
+        float x = c.getAxisValue(AMOTION_EVENT_AXIS_X) + oldXOffset;
+        float y = c.getAxisValue(AMOTION_EVENT_AXIS_Y) + oldYOffset;
+        matrix->mapXY(SkFloatToScalar(x), SkFloatToScalar(y), &point);
+        c.setAxisValue(AMOTION_EVENT_AXIS_X, SkScalarToFloat(point.fX) - newXOffset);
+        c.setAxisValue(AMOTION_EVENT_AXIS_Y, SkScalarToFloat(point.fY) - newYOffset);
 
-        float* orientationPtr = c.editAxisValue(AMOTION_EVENT_AXIS_ORIENTATION);
-        if (orientationPtr) {
-            *orientationPtr = transformAngle(matrix, *orientationPtr);
-        }
+        float orientation = c.getAxisValue(AMOTION_EVENT_AXIS_ORIENTATION);
+        c.setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, transformAngle(matrix, orientation));
     }
 }
 
@@ -727,7 +711,7 @@
     }
 
     while (idBits.count() > MAX_POINTERS) {
-        idBits.clearBit(idBits.lastMarkedBit());
+        idBits.clearLastMarkedBit();
     }
 
     Movement& movement = mMovements[mIndex];
@@ -776,7 +760,7 @@
         // We do this on down instead of on up because the client may want to query the
         // final velocity for a pointer that just went up.
         BitSet32 downIdBits;
-        downIdBits.markBit(event->getActionIndex());
+        downIdBits.markBit(event->getPointerId(event->getActionIndex()));
         clearPointers(downIdBits);
         break;
     }
diff --git a/libs/ui/tests/InputEvent_test.cpp b/libs/ui/tests/InputEvent_test.cpp
index e48d5b7..e21c464 100644
--- a/libs/ui/tests/InputEvent_test.cpp
+++ b/libs/ui/tests/InputEvent_test.cpp
@@ -52,9 +52,6 @@
     ASSERT_EQ(0, coords.getAxisValue(1))
             << "getAxisValue should return zero because axis is not present";
 
-    ASSERT_EQ(NULL, coords.editAxisValue(0))
-            << "editAxisValue should return null because axis is not present";
-
     // Set first axis.
     ASSERT_EQ(OK, coords.setAxisValue(1, 5));
     ASSERT_EQ(0x00000002ULL, coords.bits);
@@ -96,26 +93,17 @@
     ASSERT_EQ(2, coords.getAxisValue(3))
             << "getAxisValue should return value of axis";
 
-    // Edit an existing axis value in place.
-    valuePtr = coords.editAxisValue(1);
-    ASSERT_EQ(5, *valuePtr)
-            << "editAxisValue should return pointer to axis value";
-
-    *valuePtr = 7;
-    ASSERT_EQ(7, coords.getAxisValue(1))
-            << "getAxisValue should return value of axis";
-
     // Set an axis with an id between the others.  (inserting value in the middle)
     ASSERT_EQ(OK, coords.setAxisValue(2, 1));
     ASSERT_EQ(0x0000000fULL, coords.bits);
     ASSERT_EQ(4, coords.values[0]);
-    ASSERT_EQ(7, coords.values[1]);
+    ASSERT_EQ(5, coords.values[1]);
     ASSERT_EQ(1, coords.values[2]);
     ASSERT_EQ(2, coords.values[3]);
 
     ASSERT_EQ(4, coords.getAxisValue(0))
             << "getAxisValue should return value of axis";
-    ASSERT_EQ(7, coords.getAxisValue(1))
+    ASSERT_EQ(5, coords.getAxisValue(1))
             << "getAxisValue should return value of axis";
     ASSERT_EQ(1, coords.getAxisValue(2))
             << "getAxisValue should return value of axis";
diff --git a/opengl/libs/EGL/eglApi.cpp b/opengl/libs/EGL/eglApi.cpp
index ba5d29a..10cea22 100644
--- a/opengl/libs/EGL/eglApi.cpp
+++ b/opengl/libs/EGL/eglApi.cpp
@@ -363,6 +363,12 @@
         EGLConfig iConfig = dp->configs[intptr_t(config)].config;
         EGLint format;
 
+        if (native_window_api_connect(window, NATIVE_WINDOW_API_EGL) != OK) {
+            LOGE("EGLNativeWindowType %p already connected to another API",
+                    window);
+            return setError(EGL_BAD_NATIVE_WINDOW, EGL_NO_SURFACE);
+        }
+
         // set the native window's buffers format to match this config
         if (cnx->egl.eglGetConfigAttrib(iDpy,
                 iConfig, EGL_NATIVE_VISUAL_ID, &format)) {
@@ -371,6 +377,7 @@
                 if (err != 0) {
                     LOGE("error setting native window pixel format: %s (%d)",
                             strerror(-err), err);
+                    native_window_api_disconnect(window, NATIVE_WINDOW_API_EGL);
                     return setError(EGL_BAD_NATIVE_WINDOW, EGL_NO_SURFACE);
                 }
             }
@@ -383,6 +390,10 @@
                     dp->configs[intptr_t(config)].impl, cnx);
             return s;
         }
+
+        // EGLSurface creation failed
+        native_window_set_buffers_format(window, 0);
+        native_window_api_disconnect(window, NATIVE_WINDOW_API_EGL);
     }
     return EGL_NO_SURFACE;
 }
@@ -443,8 +454,12 @@
     EGLBoolean result = s->cnx->egl.eglDestroySurface(
             dp->disp[s->impl].dpy, s->surface);
     if (result == EGL_TRUE) {
-        if (s->win != NULL) {
-            native_window_set_buffers_geometry(s->win.get(), 0, 0, 0);
+        ANativeWindow* const window = s->win.get();
+        if (window != NULL) {
+            native_window_set_buffers_format(window, 0);
+            if (native_window_api_disconnect(window, NATIVE_WINDOW_API_EGL)) {
+                LOGE("EGLNativeWindowType %p disconnected failed", window);
+            }
         }
         _s.terminate();
     }
diff --git a/services/surfaceflinger/Android.mk b/services/surfaceflinger/Android.mk
index f67c82e..b178e49 100644
--- a/services/surfaceflinger/Android.mk
+++ b/services/surfaceflinger/Android.mk
@@ -22,7 +22,7 @@
 	LOCAL_CFLAGS += -DNO_RGBX_8888
 endif
 ifeq ($(TARGET_BOARD_PLATFORM), s5pc110)
-	LOCAL_CFLAGS += -DHAS_CONTEXT_PRIORITY
+	LOCAL_CFLAGS += -DHAS_CONTEXT_PRIORITY -DNEVER_DEFAULT_TO_ASYNC_MODE
 endif
 
 
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index 63062cc..886bb2a 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -105,6 +105,7 @@
 // in the purgatory list
 void Layer::onRemoved()
 {
+    mSurfaceTexture->abandon();
 }
 
 sp<ISurface> Layer::createSurface()
diff --git a/services/surfaceflinger/SurfaceTextureLayer.cpp b/services/surfaceflinger/SurfaceTextureLayer.cpp
index 91e010f..5973e76 100644
--- a/services/surfaceflinger/SurfaceTextureLayer.cpp
+++ b/services/surfaceflinger/SurfaceTextureLayer.cpp
@@ -86,6 +86,32 @@
     return res;
 }
 
+status_t SurfaceTextureLayer::connect(int api) {
+    status_t err = SurfaceTexture::connect(api);
+    if (err == NO_ERROR) {
+        switch(api) {
+            case NATIVE_WINDOW_API_MEDIA:
+            case NATIVE_WINDOW_API_CAMERA:
+                // Camera preview and videos are rate-limited on the producer
+                // side.  If enabled for this build, we use async mode to always
+                // show the most recent frame at the cost of requiring an
+                // additional buffer.
+#ifndef NEVER_DEFAULT_TO_ASYNC_MODE
+                err = setSynchronousMode(false);
+                break;
+#endif
+                // fall through to set synchronous mode when not defaulting to
+                // async mode.
+            deafult:
+                err = setSynchronousMode(true);
+                break;
+        }
+        if (err != NO_ERROR) {
+            disconnect(api);
+        }
+    }
+    return err;
+}
 
 // ---------------------------------------------------------------------------
 }; // namespace android
diff --git a/services/surfaceflinger/SurfaceTextureLayer.h b/services/surfaceflinger/SurfaceTextureLayer.h
index 29a9cbe..5d328b7 100644
--- a/services/surfaceflinger/SurfaceTextureLayer.h
+++ b/services/surfaceflinger/SurfaceTextureLayer.h
@@ -50,6 +50,8 @@
 
     virtual status_t dequeueBuffer(int *buf, uint32_t w, uint32_t h,
             uint32_t format, uint32_t usage);
+
+    virtual status_t connect(int api);
 };
 
 // ---------------------------------------------------------------------------