diff --git a/cmds/dumpstate/dumpstate.c b/cmds/dumpstate/dumpstate.c
index 3c79ae9..220af47 100644
--- a/cmds/dumpstate/dumpstate.c
+++ b/cmds/dumpstate/dumpstate.c
@@ -43,6 +43,8 @@
 
 static char screenshot_path[PATH_MAX] = "";
 
+#define PSTORE_LAST_KMSG "/sys/fs/pstore/console-ramoops"
+
 /* dumps the current system state to stdout */
 static void dumpstate() {
     time_t now = time(NULL);
@@ -161,8 +163,14 @@
     dump_file("NETWORK ROUTES", "/proc/net/route");
     dump_file("NETWORK ROUTES IPV6", "/proc/net/ipv6_route");
 
-    /* TODO: Make last_kmsg CAP_SYSLOG protected. b/5555691 */
-    dump_file("LAST KMSG", "/proc/last_kmsg");
+    if (!stat(PSTORE_LAST_KMSG, &st)) {
+        /* Also TODO: Make console-ramoops CAP_SYSLOG protected. */
+        dump_file("LAST KMSG", PSTORE_LAST_KMSG);
+    } else {
+        /* TODO: Make last_kmsg CAP_SYSLOG protected. b/5555691 */
+        dump_file("LAST KMSG", "/proc/last_kmsg");
+    }
+
     dump_file("LAST PANIC CONSOLE", "/data/dontpanic/apanic_console");
     dump_file("LAST PANIC THREADS", "/data/dontpanic/apanic_threads");
 
@@ -321,7 +329,7 @@
             "  -e: play sound file instead of vibrate, at end of job\n"
             "  -q: disable vibrate\n"
             "  -B: send broadcast when finished (requires -o and -p)\n"
-		);
+                );
 }
 
 static void sigpipe_handler(int n) {
diff --git a/cmds/flatland/Android.mk b/cmds/flatland/Android.mk
index 5e57f02..d9478fe 100644
--- a/cmds/flatland/Android.mk
+++ b/cmds/flatland/Android.mk
@@ -1,3 +1,4 @@
+local_target_dir := $(TARGET_OUT_DATA)/local/tmp
 LOCAL_PATH:= $(call my-dir)
 include $(CLEAR_VARS)
 
@@ -11,6 +12,8 @@
 
 LOCAL_MODULE_TAGS := tests
 
+LOCAL_MODULE_PATH := $(local_target_dir)
+
 LOCAL_SHARED_LIBRARIES := \
     libEGL      \
     libGLESv2   \
diff --git a/data/etc/android.software.app_widgets.xml b/data/etc/android.software.app_widgets.xml
new file mode 100644
index 0000000..9a51b24
--- /dev/null
+++ b/data/etc/android.software.app_widgets.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2014 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<permissions>
+    <feature name="android.software.app_widgets" />
+</permissions>
diff --git a/data/etc/android.software.backup.xml b/data/etc/android.software.backup.xml
new file mode 100644
index 0000000..1ab4603
--- /dev/null
+++ b/data/etc/android.software.backup.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2014 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<permissions>
+    <feature name="android.software.backup" />
+</permissions>
diff --git a/data/etc/android.software.device_admin.xml b/data/etc/android.software.device_admin.xml
new file mode 100644
index 0000000..7d14dc6
--- /dev/null
+++ b/data/etc/android.software.device_admin.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2014 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<permissions>
+    <feature name="android.software.device_admin" />
+</permissions>
diff --git a/data/etc/android.software.print.xml b/data/etc/android.software.print.xml
new file mode 100644
index 0000000..713a7f7
--- /dev/null
+++ b/data/etc/android.software.print.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2014 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<permissions>
+    <feature name="android.software.print" />
+</permissions>
diff --git a/data/etc/handheld_core_hardware.xml b/data/etc/handheld_core_hardware.xml
index 4a9f2dd..4d81fb6 100644
--- a/data/etc/handheld_core_hardware.xml
+++ b/data/etc/handheld_core_hardware.xml
@@ -33,11 +33,17 @@
     <feature name="android.hardware.microphone" />
     <feature name="android.hardware.screen.portrait" />
     <feature name="android.hardware.screen.landscape" />
+
+    <!-- basic system services -->
     <feature name="android.software.app_widgets" />
+    <feature name="android.software.backup" />
     <feature name="android.software.home_screen" />
     <feature name="android.software.input_methods" />
+    <feature name="android.software.print" />
+
     <!-- Feature to specify if the device supports adding device admins. -->
     <feature name="android.software.device_admin" />
+
     <!-- devices with GPS must include android.hardware.location.gps.xml -->
     <!-- devices with an autofocus camera and/or flash must include either
          android.hardware.camera.autofocus.xml or 
diff --git a/data/etc/tablet_core_hardware.xml b/data/etc/tablet_core_hardware.xml
index 78b9736..2a74b0f 100644
--- a/data/etc/tablet_core_hardware.xml
+++ b/data/etc/tablet_core_hardware.xml
@@ -34,11 +34,17 @@
     <feature name="android.hardware.microphone" />
     <feature name="android.hardware.screen.portrait" />
     <feature name="android.hardware.screen.landscape" />
+
+    <!-- basic system services -->
     <feature name="android.software.app_widgets" />
+    <feature name="android.software.backup" />
     <feature name="android.software.home_screen" />
     <feature name="android.software.input_methods" />
+    <feature name="android.software.print" />
+
     <!-- Feature to specify if the device supports adding device admins. -->
     <feature name="android.software.device_admin" />
+
     <!-- devices with GPS must include android.hardware.location.gps.xml -->
     <!-- devices with a rear-facing camera must include one of these as appropriate:
          android.hardware.camera.xml or 
diff --git a/data/etc/wearable_core_hardware.xml b/data/etc/wearable_core_hardware.xml
new file mode 100644
index 0000000..215665f
--- /dev/null
+++ b/data/etc/wearable_core_hardware.xml
@@ -0,0 +1,69 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2014 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<!-- These are the hardware and software components that all wearable devices
+     must include. Devices with optional hardware/software must also include
+     extra hardware/software files, per the comments below.
+
+     Wearable devices include watches, glasses, backpacks, and sweaters.
+-->
+<permissions>
+    <feature name="android.hardware.camera" />
+    <feature name="android.hardware.location" />
+    <feature name="android.hardware.location.network" />
+    <feature name="android.hardware.sensor.compass" />
+    <feature name="android.hardware.sensor.accelerometer" />
+    <feature name="android.hardware.bluetooth" />
+    <feature name="android.hardware.touchscreen" />
+    <feature name="android.hardware.microphone" />
+    <feature name="android.hardware.screen.portrait" />
+    <feature name="android.hardware.screen.landscape" />
+
+    <!-- basic system services -->
+    <feature name="android.software.home_screen" />
+    <feature name="android.software.input_methods" />
+
+    <!-- Feature to specify if the device supports adding device admins. -->
+    <feature name="android.software.device_admin" />
+
+    <!-- devices with GPS must include android.hardware.location.gps.xml -->
+    <!-- devices with an autofocus camera and/or flash must include either
+         android.hardware.camera.autofocus.xml or
+         android.hardware.camera.autofocus-flash.xml -->
+    <!-- devices with a front facing camera must include
+         android.hardware.camera.front.xml -->
+    <!-- devices with WiFi must also include android.hardware.wifi.xml -->
+    <!-- devices that support multitouch must include the most appropriate one
+         of these files:
+
+         If only partial (non-independent) pointers are supported:
+         android.hardware.touchscreen.multitouch.xml
+
+         If up to 4 independently tracked pointers are supported:
+         include android.hardware.touchscreen.multitouch.distinct.xml
+
+         If 5 or more independently tracked pointers are supported:
+         include android.hardware.touchscreen.multitouch.jazzhand.xml
+
+         ONLY ONE of the above should be included. -->
+    <!-- devices with an ambient light sensor must also include
+         android.hardware.sensor.light.xml -->
+    <!-- devices with a proximity sensor must also include
+         android.hardware.sensor.proximity.xml -->
+    <!-- Devices that have low-latency audio stacks suitable for apps like
+         VoIP may include android.hardware.audio.low_latency.xml. ONLY apps
+         that meet the requirements specified in the CDD may include this. -->
+</permissions>
diff --git a/include/android/keycodes.h b/include/android/keycodes.h
index 1ca1332..b6a5f4c 100644
--- a/include/android/keycodes.h
+++ b/include/android/keycodes.h
@@ -266,6 +266,8 @@
     AKEYCODE_BRIGHTNESS_DOWN = 220,
     AKEYCODE_BRIGHTNESS_UP   = 221,
     AKEYCODE_MEDIA_AUDIO_TRACK = 222,
+    AKEYCODE_SLEEP           = 223,
+    AKEYCODE_WAKEUP          = 224,
 
     // NOTE: If you add a new keycode here you must also add it to several other files.
     //       Refer to frameworks/base/core/java/android/view/KeyEvent.java for the full list.
diff --git a/include/binder/Parcel.h b/include/binder/Parcel.h
index ed2e7df..ce630bd 100644
--- a/include/binder/Parcel.h
+++ b/include/binder/Parcel.h
@@ -105,6 +105,7 @@
     status_t            writeStrongBinder(const sp<IBinder>& val);
     status_t            writeWeakBinder(const wp<IBinder>& val);
     status_t            writeInt32Array(size_t len, const int32_t *val);
+    status_t            writeByteArray(size_t len, const uint8_t *val);
 
     template<typename T>
     status_t            write(const Flattenable<T>& val);
diff --git a/include/input/Input.h b/include/input/Input.h
index e778076..bb5ceaf 100644
--- a/include/input/Input.h
+++ b/include/input/Input.h
@@ -22,11 +22,12 @@
  */
 
 #include <android/input.h>
-#include <utils/Vector.h>
+#include <utils/BitSet.h>
 #include <utils/KeyedVector.h>
-#include <utils/Timers.h>
 #include <utils/RefBase.h>
 #include <utils/String8.h>
+#include <utils/Timers.h>
+#include <utils/Vector.h>
 
 /*
  * Additional private constants not defined in ndk/ui/input.h.
@@ -65,6 +66,34 @@
     AINPUT_SOURCE_SWITCH = 0x80000000,
 };
 
+enum {
+    /**
+     * Constants for LEDs. Hidden from the API since we don't actually expose a way to interact
+     * with LEDs to developers
+     *
+     * NOTE: If you add LEDs here, you must also add them to KeycodeLabels.h
+     */
+
+    ALED_NUM_LOCK = 0x00,
+    ALED_CAPS_LOCK = 0x01,
+    ALED_SCROLL_LOCK = 0x02,
+    ALED_COMPOSE = 0x03,
+    ALED_KANA = 0x04,
+    ALED_SLEEP = 0x05,
+    ALED_SUSPEND = 0x06,
+    ALED_MUTE = 0x07,
+    ALED_MISC = 0x08,
+    ALED_MAIL = 0x09,
+    ALED_CHARGING = 0x0a,
+    ALED_CONTROLLER_1 = 0x10,
+    ALED_CONTROLLER_2 = 0x11,
+    ALED_CONTROLLER_3 = 0x12,
+    ALED_CONTROLLER_4 = 0x13,
+};
+
+/* Maximum number of controller LEDs we support */
+#define MAX_CONTROLLER_LEDS 4
+
 /*
  * SystemUiVisibility constants from View.
  */
@@ -177,13 +206,18 @@
     float values[MAX_AXES];
 
     inline void clear() {
-        bits = 0;
+        BitSet64::clear(bits);
+    }
+
+    bool isEmpty() const {
+        return BitSet64::isEmpty(bits);
     }
 
     float getAxisValue(int32_t axis) const;
     status_t setAxisValue(int32_t axis, float value);
 
     void scale(float scale);
+    void applyOffset(float xOffset, float yOffset);
 
     inline float getX() const {
         return getAxisValue(AMOTION_EVENT_AXIS_X);
diff --git a/include/input/InputDevice.h b/include/input/InputDevice.h
index 1419b45..adf9fb9 100644
--- a/include/input/InputDevice.h
+++ b/include/input/InputDevice.h
@@ -46,6 +46,11 @@
     // Ideally, the way this value is computed should not change between Android releases
     // because that would invalidate persistent settings that rely on it.
     String8 descriptor;
+
+    // A value added to uniquely identify a device in the absence of a unique id. This
+    // is intended to be a minimum way to distinguish from other active devices and may
+    // reuse values that are not associated with an input anymore.
+    uint16_t nonce;
 };
 
 /*
diff --git a/include/input/KeyLayoutMap.h b/include/input/KeyLayoutMap.h
index eec11cf..1e8de71 100644
--- a/include/input/KeyLayoutMap.h
+++ b/include/input/KeyLayoutMap.h
@@ -67,6 +67,8 @@
     status_t mapKey(int32_t scanCode, int32_t usageCode,
             int32_t* outKeyCode, uint32_t* outFlags) const;
     status_t findScanCodesForKey(int32_t keyCode, Vector<int32_t>* outScanCodes) const;
+    status_t findScanCodeForLed(int32_t ledCode, int32_t* outScanCode) const;
+    status_t findUsageCodeForLed(int32_t ledCode, int32_t* outUsageCode) const;
 
     status_t mapAxis(int32_t scanCode, AxisInfo* outAxisInfo) const;
 
@@ -79,9 +81,16 @@
         uint32_t flags;
     };
 
+    struct Led {
+        int32_t ledCode;
+    };
+
+
     KeyedVector<int32_t, Key> mKeysByScanCode;
     KeyedVector<int32_t, Key> mKeysByUsageCode;
     KeyedVector<int32_t, AxisInfo> mAxes;
+    KeyedVector<int32_t, Led> mLedsByScanCode;
+    KeyedVector<int32_t, Led> mLedsByUsageCode;
 
     KeyLayoutMap();
 
@@ -99,6 +108,7 @@
     private:
         status_t parseKey();
         status_t parseAxis();
+        status_t parseLed();
     };
 };
 
diff --git a/include/input/Keyboard.h b/include/input/Keyboard.h
index 846cb0c..25b2f07 100644
--- a/include/input/Keyboard.h
+++ b/include/input/Keyboard.h
@@ -94,18 +94,24 @@
 extern uint32_t getKeyFlagByLabel(const char* label);
 
 /**
- * Gets a axis by its short form label, eg. "X".
+ * Gets an axis by its short form label, eg. "X".
  * Returns -1 if unknown.
  */
 extern int32_t getAxisByLabel(const char* label);
 
 /**
- * Gets a axis label by its id.
+ * Gets an axis label by its id.
  * Returns NULL if unknown.
  */
 extern const char* getAxisLabel(int32_t axisId);
 
 /**
+ * Gets an LED by its short form label, eg. "CAPS_LOCK".
+ * Returns -1 if unknown.
+ */
+extern int32_t getLedByLabel(const char* label);
+
+/**
  * Updates a meta state field when a key is pressed or released.
  */
 extern int32_t updateMetaState(int32_t keyCode, bool down, int32_t oldMetaState);
diff --git a/include/input/KeycodeLabels.h b/include/input/KeycodeLabels.h
index c64c5d8..a8d63da 100644
--- a/include/input/KeycodeLabels.h
+++ b/include/input/KeycodeLabels.h
@@ -247,6 +247,8 @@
     { "BRIGHTNESS_DOWN", 220 },
     { "BRIGHTNESS_UP", 221 },
     { "MEDIA_AUDIO_TRACK", 222 },
+    { "SLEEP", 223 },
+    { "WAKEUP", 224 },
 
     // NOTE: If you add a new keycode here you must also add it to several other files.
     //       Refer to frameworks/base/core/java/android/view/KeyEvent.java for the full list.
@@ -319,4 +321,26 @@
     { NULL, -1 }
 };
 
+static const KeycodeLabel LEDS[] = {
+    { "NUM_LOCK", 0x00 },
+    { "CAPS_LOCK", 0x01 },
+    { "SCROLL_LOCK", 0x02 },
+    { "COMPOSE", 0x03 },
+    { "KANA", 0x04 },
+    { "SLEEP", 0x05 },
+    { "SUSPEND", 0x06 },
+    { "MUTE", 0x07 },
+    { "MISC", 0x08 },
+    { "MAIL", 0x09 },
+    { "CHARGING", 0x0a },
+    { "CONTROLLER_1", 0x10 },
+    { "CONTROLLER_2", 0x11 },
+    { "CONTROLLER_3", 0x12 },
+    { "CONTROLLER_4", 0x13 },
+
+    // NOTE: If you add new LEDs here, you must also add them to Input.h
+
+    { NULL, -1 }
+};
+
 #endif // _LIBINPUT_KEYCODE_LABELS_H
diff --git a/include/media/drm/DrmAPI.h b/include/media/drm/DrmAPI.h
index 95bdf77..fc6b49c 100644
--- a/include/media/drm/DrmAPI.h
+++ b/include/media/drm/DrmAPI.h
@@ -178,12 +178,16 @@
         // provisioning server.
         //
         // If successful, the opaque provision request blob is returned to the caller.
-        virtual status_t getProvisionRequest(Vector<uint8_t> &request,
+        virtual status_t getProvisionRequest(String8 const &cert_type,
+                                             String8 const &cert_authority,
+                                             Vector<uint8_t> &request,
                                              String8 &defaultUrl) = 0;
 
         // After a provision response is received by the app, it is provided to the
         // Drm plugin using provideProvisionResponse.
-        virtual status_t provideProvisionResponse(Vector<uint8_t> const &response) = 0;
+        virtual status_t provideProvisionResponse(Vector<uint8_t> const &response,
+                                                  Vector<uint8_t> &certificate,
+                                                  Vector<uint8_t> &wrapped_key) = 0;
 
         // A means of enforcing the contractual requirement for a concurrent stream
         // limit per subscriber across devices is provided via SecureStop.  SecureStop
@@ -290,6 +294,15 @@
                                 bool &match) = 0;
 
 
+        // Compute an RSA signature on the provided message using the algorithm
+        // specified by algorithm.
+        virtual status_t signRSA(Vector<uint8_t> const &sessionId,
+                                 String8 const &algorithm,
+                                 Vector<uint8_t> const &message,
+                                 Vector<uint8_t> const &wrapped_key,
+                                 Vector<uint8_t> &signature) = 0;
+
+
         status_t setListener(const sp<DrmPluginListener>& listener) {
             Mutex::Autolock lock(mEventLock);
             mListener = listener;
diff --git a/include/media/openmax/OMX_AudioExt.h b/include/media/openmax/OMX_AudioExt.h
new file mode 100644
index 0000000..aa6e6d0
--- /dev/null
+++ b/include/media/openmax/OMX_AudioExt.h
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2010 The Khronos Group Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject
+ * to the following conditions:
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+/** OMX_AudioExt.h - OpenMax IL version 1.1.2
+ * The OMX_AudioExt header file contains extensions to the
+ * definitions used by both the application and the component to
+ * access video items.
+ */
+
+#ifndef OMX_AudioExt_h
+#define OMX_AudioExt_h
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+/* Each OMX header shall include all required header files to allow the
+ * header to compile without errors.  The includes below are required
+ * for this header file to compile successfully
+ */
+#include <OMX_Core.h>
+
+typedef enum OMX_AUDIO_CODINGEXTTYPE {
+    OMX_AUDIO_CodingAndroidUnused = OMX_AUDIO_CodingKhronosExtensions + 0x00100000,
+    OMX_AUDIO_CodingAndroidAC3,         /**< AC3 encoded data */
+} OMX_AUDIO_CODINGEXTTYPE;
+
+typedef struct OMX_AUDIO_PARAM_ANDROID_AC3TYPE {
+    OMX_U32 nSize;                 /**< size of the structure in bytes */
+    OMX_VERSIONTYPE nVersion;      /**< OMX specification version information */
+    OMX_U32 nPortIndex;            /**< port that this structure applies to */
+    OMX_U32 nChannels;             /**< Number of channels */
+    OMX_U32 nSampleRate;           /**< Sampling rate of the source data.  Use 0 for
+                                        variable or unknown sampling rate. */
+} OMX_AUDIO_PARAM_ANDROID_AC3TYPE;
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* OMX_AudioExt_h */
+/* File EOF */
diff --git a/include/media/openmax/OMX_IndexExt.h b/include/media/openmax/OMX_IndexExt.h
index d22df56..c47a885 100644
--- a/include/media/openmax/OMX_IndexExt.h
+++ b/include/media/openmax/OMX_IndexExt.h
@@ -57,6 +57,7 @@
 
     /* Audio parameters and configurations */
     OMX_IndexExtAudioStartUnused = OMX_IndexKhronosExtensions + 0x00400000,
+    OMX_IndexParamAudioAndroidAc3,                  /**< reference: OMX_AUDIO_PARAM_ANDROID_AC3TYPE */
 
     /* Image parameters and configurations */
     OMX_IndexExtImageStartUnused = OMX_IndexKhronosExtensions + 0x00500000,
diff --git a/include/private/gui/LayerState.h b/include/private/gui/LayerState.h
index bf4bf03..5584fb1 100644
--- a/include/private/gui/LayerState.h
+++ b/include/private/gui/LayerState.h
@@ -30,11 +30,15 @@
 class Parcel;
 class ISurfaceComposerClient;
 
+/*
+ * Used to communicate layer information between SurfaceFlinger and its clients.
+ */
 struct layer_state_t {
 
 
     enum {
-        eLayerHidden        = 0x01,
+        eLayerHidden        = 0x01,     // SURFACE_HIDDEN in SurfaceControl.java
+        eLayerOpaque        = 0x02,     // SURFACE_OPAQUE
     };
 
     enum {
@@ -47,6 +51,7 @@
         eVisibilityChanged          = 0x00000040,
         eLayerStackChanged          = 0x00000080,
         eCropChanged                = 0x00000100,
+        eOpacityChanged             = 0x00000200,
     };
 
     layer_state_t()
diff --git a/libs/binder/Parcel.cpp b/libs/binder/Parcel.cpp
index 159003d..67cb428 100644
--- a/libs/binder/Parcel.cpp
+++ b/libs/binder/Parcel.cpp
@@ -631,6 +631,16 @@
     }
     return ret;
 }
+status_t Parcel::writeByteArray(size_t len, const uint8_t *val) {
+    if (!val) {
+        return writeAligned(-1);
+    }
+    status_t ret = writeAligned(len);
+    if (ret == NO_ERROR) {
+        ret = write(val, len * sizeof(*val));
+    }
+    return ret;
+}
 
 status_t Parcel::writeInt64(int64_t val)
 {
@@ -907,7 +917,8 @@
 
 status_t Parcel::read(void* outData, size_t len) const
 {
-    if ((mDataPos+PAD_SIZE(len)) >= mDataPos && (mDataPos+PAD_SIZE(len)) <= mDataSize) {
+    if ((mDataPos+PAD_SIZE(len)) >= mDataPos && (mDataPos+PAD_SIZE(len)) <= mDataSize
+            && len <= PAD_SIZE(len)) {
         memcpy(outData, mData+mDataPos, len);
         mDataPos += PAD_SIZE(len);
         ALOGV("read Setting data pos of %p to %d\n", this, mDataPos);
@@ -918,7 +929,8 @@
 
 const void* Parcel::readInplace(size_t len) const
 {
-    if ((mDataPos+PAD_SIZE(len)) >= mDataPos && (mDataPos+PAD_SIZE(len)) <= mDataSize) {
+    if ((mDataPos+PAD_SIZE(len)) >= mDataPos && (mDataPos+PAD_SIZE(len)) <= mDataSize
+            && len <= PAD_SIZE(len)) {
         const void* data = mData+mDataPos;
         mDataPos += PAD_SIZE(len);
         ALOGV("readInplace Setting data pos of %p to %d\n", this, mDataPos);
diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index aafc4d2..2246f5f 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -309,7 +309,12 @@
     layer_state_t* s = getLayerStateLocked(client, id);
     if (!s)
         return BAD_INDEX;
-    s->what |= layer_state_t::eVisibilityChanged;
+    if (mask & layer_state_t::eLayerOpaque) {
+        s->what |= layer_state_t::eOpacityChanged;
+    }
+    if (mask & layer_state_t::eLayerHidden) {
+        s->what |= layer_state_t::eVisibilityChanged;
+    }
     s->flags &= ~mask;
     s->flags |= (flags & mask);
     s->mask |= mask;
diff --git a/libs/input/Input.cpp b/libs/input/Input.cpp
index 6f53996..d9f22e9 100644
--- a/libs/input/Input.cpp
+++ b/libs/input/Input.cpp
@@ -158,16 +158,10 @@
 // --- PointerCoords ---
 
 float PointerCoords::getAxisValue(int32_t axis) const {
-    if (axis < 0 || axis > 63) {
+    if (axis < 0 || axis > 63 || !BitSet64::hasBit(bits, axis)){
         return 0;
     }
-
-    uint64_t axisBit = 1LL << axis;
-    if (!(bits & axisBit)) {
-        return 0;
-    }
-    uint32_t index = __builtin_popcountll(bits & (axisBit - 1LL));
-    return values[index];
+    return values[BitSet64::getIndexOfBit(bits, axis)];
 }
 
 status_t PointerCoords::setAxisValue(int32_t axis, float value) {
@@ -175,22 +169,23 @@
         return NAME_NOT_FOUND;
     }
 
-    uint64_t axisBit = 1LL << axis;
-    uint32_t index = __builtin_popcountll(bits & (axisBit - 1LL));
-    if (!(bits & axisBit)) {
+    uint32_t index = BitSet64::getIndexOfBit(bits, axis);
+    if (!BitSet64::hasBit(bits, axis)) {
         if (value == 0) {
             return OK; // axes with value 0 do not need to be stored
         }
-        uint32_t count = __builtin_popcountll(bits);
+
+        uint32_t count = BitSet64::count(bits);
         if (count >= MAX_AXES) {
             tooManyAxes(axis);
             return NO_MEMORY;
         }
-        bits |= axisBit;
+        BitSet64::markBit(bits, axis);
         for (uint32_t i = count; i > index; i--) {
             values[i] = values[i - 1];
         }
     }
+
     values[index] = value;
     return OK;
 }
@@ -213,11 +208,16 @@
     scaleAxisValue(*this, AMOTION_EVENT_AXIS_TOOL_MINOR, scaleFactor);
 }
 
+void PointerCoords::applyOffset(float xOffset, float yOffset) {
+    setAxisValue(AMOTION_EVENT_AXIS_X, getX() + xOffset);
+    setAxisValue(AMOTION_EVENT_AXIS_Y, getY() + yOffset);
+}
+
 #ifdef HAVE_ANDROID_OS
 status_t PointerCoords::readFromParcel(Parcel* parcel) {
     bits = parcel->readInt64();
 
-    uint32_t count = __builtin_popcountll(bits);
+    uint32_t count = BitSet64::count(bits);
     if (count > MAX_AXES) {
         return BAD_VALUE;
     }
@@ -231,7 +231,7 @@
 status_t PointerCoords::writeToParcel(Parcel* parcel) const {
     parcel->writeInt64(bits);
 
-    uint32_t count = __builtin_popcountll(bits);
+    uint32_t count = BitSet64::count(bits);
     for (uint32_t i = 0; i < count; i++) {
         parcel->writeFloat(values[i]);
     }
@@ -248,7 +248,7 @@
     if (bits != other.bits) {
         return false;
     }
-    uint32_t count = __builtin_popcountll(bits);
+    uint32_t count = BitSet64::count(bits);
     for (uint32_t i = 0; i < count; i++) {
         if (values[i] != other.values[i]) {
             return false;
@@ -259,7 +259,7 @@
 
 void PointerCoords::copyFrom(const PointerCoords& other) {
     bits = other.bits;
-    uint32_t count = __builtin_popcountll(bits);
+    uint32_t count = BitSet64::count(bits);
     for (uint32_t i = 0; i < count; i++) {
         values[i] = other.values[i];
     }
diff --git a/libs/input/KeyLayoutMap.cpp b/libs/input/KeyLayoutMap.cpp
index 2f5494b..0800a31 100644
--- a/libs/input/KeyLayoutMap.cpp
+++ b/libs/input/KeyLayoutMap.cpp
@@ -150,6 +150,40 @@
     return NO_ERROR;
 }
 
+status_t KeyLayoutMap::findScanCodeForLed(int32_t ledCode, int32_t* outScanCode) const {
+    const size_t N = mLedsByScanCode.size();
+    for (size_t i = 0; i < N; i++) {
+        if (mLedsByScanCode.valueAt(i).ledCode == ledCode) {
+            *outScanCode = mLedsByScanCode.keyAt(i);
+#if DEBUG_MAPPING
+            ALOGD("findScanCodeForLed: ledCode=%d, scanCode=%d.", ledCode, *outScanCode);
+#endif
+            return NO_ERROR;
+        }
+    }
+#if DEBUG_MAPPING
+            ALOGD("findScanCodeForLed: ledCode=%d ~ Not found.", ledCode);
+#endif
+    return NAME_NOT_FOUND;
+}
+
+status_t KeyLayoutMap::findUsageCodeForLed(int32_t ledCode, int32_t* outUsageCode) const {
+    const size_t N = mLedsByUsageCode.size();
+    for (size_t i = 0; i < N; i++) {
+        if (mLedsByUsageCode.valueAt(i).ledCode == ledCode) {
+            *outUsageCode = mLedsByUsageCode.keyAt(i);
+#if DEBUG_MAPPING
+            ALOGD("findUsageForLed: ledCode=%d, usage=%x.", ledCode, *outUsageCode);
+#endif
+            return NO_ERROR;
+        }
+    }
+#if DEBUG_MAPPING
+            ALOGD("findUsageForLed: ledCode=%d ~ Not found.", ledCode);
+#endif
+    return NAME_NOT_FOUND;
+}
+
 
 // --- KeyLayoutMap::Parser ---
 
@@ -179,6 +213,10 @@
                 mTokenizer->skipDelimiters(WHITESPACE);
                 status_t status = parseAxis();
                 if (status) return status;
+            } else if (keywordToken == "led") {
+                mTokenizer->skipDelimiters(WHITESPACE);
+                status_t status = parseLed();
+                if (status) return status;
             } else {
                 ALOGE("%s: Expected keyword, got '%s'.", mTokenizer->getLocation().string(),
                         keywordToken.string());
@@ -215,8 +253,7 @@
                 mapUsage ? "usage" : "scan code", codeToken.string());
         return BAD_VALUE;
     }
-    KeyedVector<int32_t, Key>& map =
-            mapUsage ? mMap->mKeysByUsageCode : mMap->mKeysByScanCode;
+    KeyedVector<int32_t, Key>& map = mapUsage ? mMap->mKeysByUsageCode : mMap->mKeysByScanCode;
     if (map.indexOfKey(code) >= 0) {
         ALOGE("%s: Duplicate entry for key %s '%s'.", mTokenizer->getLocation().string(),
                 mapUsage ? "usage" : "scan code", codeToken.string());
@@ -364,4 +401,46 @@
     return NO_ERROR;
 }
 
+status_t KeyLayoutMap::Parser::parseLed() {
+    String8 codeToken = mTokenizer->nextToken(WHITESPACE);
+    bool mapUsage = false;
+    if (codeToken == "usage") {
+        mapUsage = true;
+        mTokenizer->skipDelimiters(WHITESPACE);
+        codeToken = mTokenizer->nextToken(WHITESPACE);
+    }
+    char* end;
+    int32_t code = int32_t(strtol(codeToken.string(), &end, 0));
+    if (*end) {
+        ALOGE("%s: Expected led %s number, got '%s'.", mTokenizer->getLocation().string(),
+                mapUsage ? "usage" : "scan code", codeToken.string());
+        return BAD_VALUE;
+    }
+
+    KeyedVector<int32_t, Led>& map = mapUsage ? mMap->mLedsByUsageCode : mMap->mLedsByScanCode;
+    if (map.indexOfKey(code) >= 0) {
+        ALOGE("%s: Duplicate entry for led %s '%s'.", mTokenizer->getLocation().string(),
+                mapUsage ? "usage" : "scan code", codeToken.string());
+        return BAD_VALUE;
+    }
+
+    mTokenizer->skipDelimiters(WHITESPACE);
+    String8 ledCodeToken = mTokenizer->nextToken(WHITESPACE);
+    int32_t ledCode = getLedByLabel(ledCodeToken.string());
+    if (ledCode < 0) {
+        ALOGE("%s: Expected LED code label, got '%s'.", mTokenizer->getLocation().string(),
+                ledCodeToken.string());
+        return BAD_VALUE;
+    }
+
+#if DEBUG_PARSER
+    ALOGD("Parsed led %s: code=%d, ledCode=%d.",
+            mapUsage ? "usage" : "scan code", code, ledCode);
+#endif
+
+    Led led;
+    led.ledCode = ledCode;
+    map.add(code, led);
+    return NO_ERROR;
+}
 };
diff --git a/libs/input/Keyboard.cpp b/libs/input/Keyboard.cpp
index b6551ee..7d4ac92 100644
--- a/libs/input/Keyboard.cpp
+++ b/libs/input/Keyboard.cpp
@@ -203,6 +203,10 @@
     return lookupLabelByValue(axisId, AXES);
 }
 
+int32_t getLedByLabel(const char* label) {
+    return int32_t(lookupValueByLabel(label, LEDS));
+}
+
 static int32_t setEphemeralMetaState(int32_t mask, bool down, int32_t oldMetaState) {
     int32_t newMetaState;
     if (down) {
diff --git a/opengl/libs/Android.mk b/opengl/libs/Android.mk
index 528b983..7328a1d 100644
--- a/opengl/libs/Android.mk
+++ b/opengl/libs/Android.mk
@@ -48,7 +48,7 @@
 ifeq ($(BOARD_ALLOW_EGL_HIBERNATION),true)
   LOCAL_CFLAGS += -DBOARD_ALLOW_EGL_HIBERNATION
 endif
-ifeq ($(TARGET_BOARD_PLATFORM), omap4)
+ifneq ($(filter omap3 omap4,$(TARGET_BOARD_PLATFORM)),)
   LOCAL_CFLAGS += -DWORKAROUND_BUG_10194508=1
 endif
 ifneq ($(MAX_EGL_CACHE_ENTRY_SIZE),)
diff --git a/services/sensorservice/SensorFusion.cpp b/services/sensorservice/SensorFusion.cpp
index bb97286..6d93009 100644
--- a/services/sensorservice/SensorFusion.cpp
+++ b/services/sensorservice/SensorFusion.cpp
@@ -102,15 +102,6 @@
         }
     }
 
-    if (enabled) {
-        ALOGD_IF(DEBUG_CONNECTIONS, "SensorFusion calling batch ident=%p ", ident);
-        // Activating a sensor in continuous mode is equivalent to calling batch with the default
-        // period and timeout equal to ZERO, followed by a call to activate.
-        mSensorDevice.batch(ident, mAcc.getHandle(), 0, DEFAULT_EVENTS_PERIOD, 0);
-        mSensorDevice.batch(ident, mMag.getHandle(), 0, DEFAULT_EVENTS_PERIOD, 0);
-        mSensorDevice.batch(ident, mGyro.getHandle(), 0, DEFAULT_EVENTS_PERIOD, 0);
-    }
-
     mSensorDevice.activate(ident, mAcc.getHandle(), enabled);
     mSensorDevice.activate(ident, mMag.getHandle(), enabled);
     mSensorDevice.activate(ident, mGyro.getHandle(), enabled);
@@ -127,9 +118,10 @@
 }
 
 status_t SensorFusion::setDelay(void* ident, int64_t ns) {
-    mSensorDevice.setDelay(ident, mAcc.getHandle(), ns);
-    mSensorDevice.setDelay(ident, mMag.getHandle(), ms2ns(20));
-    mSensorDevice.setDelay(ident, mGyro.getHandle(), mTargetDelayNs);
+    // Call batch with timeout zero instead of setDelay().
+    mSensorDevice.batch(ident, mAcc.getHandle(), 0, ns, 0);
+    mSensorDevice.batch(ident, mMag.getHandle(), 0, ms2ns(20), 0);
+    mSensorDevice.batch(ident, mGyro.getHandle(), 0, mTargetDelayNs, 0);
     return NO_ERROR;
 }
 
diff --git a/services/sensorservice/SensorFusion.h b/services/sensorservice/SensorFusion.h
index b8f360f..432adbc 100644
--- a/services/sensorservice/SensorFusion.h
+++ b/services/sensorservice/SensorFusion.h
@@ -37,7 +37,6 @@
 
 class SensorFusion : public Singleton<SensorFusion> {
     friend class Singleton<SensorFusion>;
-    static const nsecs_t DEFAULT_EVENTS_PERIOD = 200000000;  //  5 Hz
 
     SensorDevice& mSensorDevice;
     Sensor mAcc;
diff --git a/services/sensorservice/SensorService.cpp b/services/sensorservice/SensorService.cpp
index 9cc75c6..6df6315 100644
--- a/services/sensorservice/SensorService.cpp
+++ b/services/sensorservice/SensorService.cpp
@@ -427,20 +427,21 @@
 }
 
 void SensorService::recordLastValue(
-        sensors_event_t const * buffer, size_t count)
-{
+        const sensors_event_t* buffer, size_t count) {
     Mutex::Autolock _l(mLock);
-    // record the last event for each sensor
-    int32_t prev = buffer[0].sensor;
-    for (size_t i=1 ; i<count ; i++) {
-        // record the last event of each sensor type in this buffer
-        int32_t curr = buffer[i].sensor;
-        if (curr != prev) {
-            mLastEventSeen.editValueFor(prev) = buffer[i-1];
-            prev = curr;
+    const sensors_event_t* last = NULL;
+    for (size_t i = 0; i < count; i++) {
+        const sensors_event_t* event = &buffer[i];
+        if (event->type != SENSOR_TYPE_META_DATA) {
+            if (last && event->sensor != last->sensor) {
+                mLastEventSeen.editValueFor(last->sensor) = *last;
+            }
+            last = event;
         }
     }
-    mLastEventSeen.editValueFor(prev) = buffer[count-1];
+    if (last) {
+        mLastEventSeen.editValueFor(last->sensor) = *last;
+    }
 }
 
 void SensorService::sortEventBuffer(sensors_event_t* buffer, size_t count)
diff --git a/services/sensorservice/SensorService.h b/services/sensorservice/SensorService.h
index c968319..1dc2dd3 100644
--- a/services/sensorservice/SensorService.h
+++ b/services/sensorservice/SensorService.h
@@ -131,7 +131,7 @@
 
     String8 getSensorName(int handle) const;
     bool isVirtualSensor(int handle) const;
-    void recordLastValue(sensors_event_t const * buffer, size_t count);
+    void recordLastValue(const sensors_event_t* buffer, size_t count);
     static void sortEventBuffer(sensors_event_t* buffer, size_t count);
     Sensor registerSensor(SensorInterface* sensor);
     Sensor registerVirtualSensor(SensorInterface* sensor);
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index 61af51f..fcc9d78 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -64,7 +64,6 @@
         mName("unnamed"),
         mDebug(false),
         mFormat(PIXEL_FORMAT_NONE),
-        mOpaqueLayer(true),
         mTransactionFlags(0),
         mQueuedFrames(0),
         mCurrentTransform(0),
@@ -86,7 +85,9 @@
 
     uint32_t layerFlags = 0;
     if (flags & ISurfaceComposerClient::eHidden)
-        layerFlags = layer_state_t::eLayerHidden;
+        layerFlags |= layer_state_t::eLayerHidden;
+    if (flags & ISurfaceComposerClient::eOpaque)
+        layerFlags |= layer_state_t::eLayerOpaque;
 
     if (flags & ISurfaceComposerClient::eNonPremultiplied)
         mPremultipliedAlpha = false;
@@ -189,7 +190,6 @@
 
     mSecure = (flags & ISurfaceComposerClient::eSecure) ? true : false;
     mProtectedByApp = (flags & ISurfaceComposerClient::eProtectedByApp) ? true : false;
-    mOpaqueLayer = (flags & ISurfaceComposerClient::eOpaque);
     mCurrentOpacity = getOpacityForFormat(format);
 
     mSurfaceFlingerConsumer->setDefaultBufferSize(w, h);
@@ -352,7 +352,7 @@
 
     // this gives us only the "orientation" component of the transform
     const State& s(getDrawingState());
-    if (!isOpaque() || s.alpha != 0xFF) {
+    if (!isOpaque(s) || s.alpha != 0xFF) {
         layer.setBlending(mPremultipliedAlpha ?
                 HWC_BLENDING_PREMULT :
                 HWC_BLENDING_COVERAGE);
@@ -596,7 +596,7 @@
     texCoords[3] = vec2(right, 1.0f - top);
 
     RenderEngine& engine(mFlinger->getRenderEngine());
-    engine.setupLayerBlending(mPremultipliedAlpha, isOpaque(), s.alpha);
+    engine.setupLayerBlending(mPremultipliedAlpha, isOpaque(s), s.alpha);
     engine.drawMesh(mMesh);
     engine.disableBlending();
 }
@@ -656,7 +656,7 @@
     }
 }
 
-bool Layer::isOpaque() const
+bool Layer::isOpaque(const Layer::State& s) const
 {
     // if we don't have a buffer yet, we're translucent regardless of the
     // layer's opaque flag.
@@ -666,7 +666,7 @@
 
     // if the layer has the opaque flag, then we're always opaque,
     // otherwise we use the current buffer's format.
-    return mOpaqueLayer || mCurrentOpacity;
+    return ((s.flags & layer_state_t::eLayerOpaque) != 0) || mCurrentOpacity;
 }
 
 bool Layer::isProtected() const
@@ -954,7 +954,8 @@
         }
 
         // Capture the old state of the layer for comparisons later
-        const bool oldOpacity = isOpaque();
+        const State& s(getDrawingState());
+        const bool oldOpacity = isOpaque(s);
         sp<GraphicBuffer> oldActiveBuffer = mActiveBuffer;
 
         struct Reject : public SurfaceFlingerConsumer::BufferRejecter {
@@ -1122,12 +1123,11 @@
         }
 
         mCurrentOpacity = getOpacityForFormat(mActiveBuffer->format);
-        if (oldOpacity != isOpaque()) {
+        if (oldOpacity != isOpaque(s)) {
             recomputeVisibleRegions = true;
         }
 
         // FIXME: postedRegion should be dirty & bounds
-        const Layer::State& s(getDrawingState());
         Region dirtyRegion(Rect(s.active.w, s.active.h));
 
         // transform the dirty region to window-manager space
@@ -1188,7 +1188,7 @@
             s.layerStack, s.z, s.transform.tx(), s.transform.ty(), s.active.w, s.active.h,
             s.active.crop.left, s.active.crop.top,
             s.active.crop.right, s.active.crop.bottom,
-            isOpaque(), contentDirty,
+            isOpaque(s), contentDirty,
             s.alpha, s.flags,
             s.transform[0][0], s.transform[0][1],
             s.transform[1][0], s.transform[1][1],
diff --git a/services/surfaceflinger/Layer.h b/services/surfaceflinger/Layer.h
index ef4a7e9..ea65ded 100644
--- a/services/surfaceflinger/Layer.h
+++ b/services/surfaceflinger/Layer.h
@@ -149,8 +149,12 @@
 
     /*
      * isOpaque - true if this surface is opaque
+     *
+     * This takes into account the buffer format (i.e. whether or not the
+     * pixel format includes an alpha channel) and the "opaque" flag set
+     * on the layer.  It does not examine the current plane alpha value.
      */
-    virtual bool isOpaque() const;
+    virtual bool isOpaque(const Layer::State& s) const;
 
     /*
      * isSecure - true if this surface is secure, that is if it prevents
@@ -335,7 +339,6 @@
     String8 mName;
     mutable bool mDebug;
     PixelFormat mFormat;
-    bool mOpaqueLayer;
 
     // these are protected by an external lock
     State mCurrentState;
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 943ed02..e32974f 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -1380,7 +1380,7 @@
 
         // handle hidden surfaces by setting the visible region to empty
         if (CC_LIKELY(layer->isVisible())) {
-            const bool translucent = !layer->isOpaque();
+            const bool translucent = !layer->isOpaque(s);
             Rect bounds(s.transform.transform(layer->computeBounds()));
             visibleRegion.set(bounds);
             if (!visibleRegion.isEmpty()) {
@@ -1625,7 +1625,7 @@
                         const Layer::State& state(layer->getDrawingState());
                         if ((cur->getHints() & HWC_HINT_CLEAR_FB)
                                 && i
-                                && layer->isOpaque() && (state.alpha == 0xFF)
+                                && layer->isOpaque(state) && (state.alpha == 0xFF)
                                 && hasGlesComposition) {
                             // never clear the very first layer since we're
                             // guaranteed the FB is already cleared
@@ -1869,7 +1869,9 @@
             if (layer->setTransparentRegionHint(s.transparentRegion))
                 flags |= eTraversalNeeded;
         }
-        if (what & layer_state_t::eVisibilityChanged) {
+        if ((what & layer_state_t::eVisibilityChanged) ||
+                (what & layer_state_t::eOpacityChanged)) {
+            // TODO: should we just use an eFlagsChanged for this?
             if (layer->setFlags(s.flags, s.mask))
                 flags |= eTraversalNeeded;
         }