diff --git a/include/ui/EventHub.h b/include/ui/EventHub.h
index d78e35f..1431964 100644
--- a/include/ui/EventHub.h
+++ b/include/ui/EventHub.h
@@ -187,6 +187,9 @@
     virtual bool markSupportedKeyCodes(int32_t deviceId, size_t numCodes, const int32_t* keyCodes,
             uint8_t* outFlags) const = 0;
 
+    virtual bool hasLed(int32_t deviceId, int32_t led) const = 0;
+    virtual void setLedState(int32_t deviceId, int32_t led, bool on) = 0;
+
     virtual void dump(String8& dump) = 0;
 };
 
@@ -198,9 +201,9 @@
     status_t errorCheck() const;
 
     virtual uint32_t getDeviceClasses(int32_t deviceId) const;
-    
+
     virtual String8 getDeviceName(int32_t deviceId) const;
-    
+
     virtual status_t getAbsoluteAxisInfo(int32_t deviceId, int axis,
             RawAbsoluteAxisInfo* outAxisInfo) const;
 
@@ -218,6 +221,9 @@
 
     virtual bool getEvent(RawEvent* outEvent);
 
+    virtual bool hasLed(int32_t deviceId, int32_t led) const;
+    virtual void setLedState(int32_t deviceId, int32_t led, bool on);
+
     virtual void dump(String8& dump);
 
 protected:
@@ -240,7 +246,10 @@
         uint32_t        classes;
         uint8_t*        keyBitmask;
         KeyLayoutMap*   layoutMap;
-        String8         keylayoutFilename;
+        String8         keyMapName;
+        bool            defaultKeyMap;
+        String8         keyLayoutFilename;
+        String8         keyCharacterMapFilename;
         int             fd;
         device_t*       next;
         
@@ -250,13 +259,19 @@
 
     device_t* getDeviceLocked(int32_t deviceId) const;
     bool hasKeycodeLocked(device_t* device, int keycode) const;
-    
+
     int32_t getScanCodeStateLocked(device_t* device, int32_t scanCode) const;
     int32_t getKeyCodeStateLocked(device_t* device, int32_t keyCode) const;
     int32_t getSwitchStateLocked(device_t* device, int32_t sw) const;
     bool markSupportedKeyCodesLocked(device_t* device, size_t numCodes,
             const int32_t* keyCodes, uint8_t* outFlags) const;
 
+    void configureKeyMap(device_t* device);
+    bool probeKeyMap(device_t* device, const String8& keyMapName, bool defaultKeyMap);
+    void selectKeyMap(device_t* device, const String8& keyMapName, bool defaultKeyMap);
+    void setKeyboardProperties(device_t* device, bool firstKeyboard);
+    void clearKeyboardProperties(device_t* device, bool firstKeyboard);
+
     // Protect all internal state.
     mutable Mutex   mLock;
     
diff --git a/include/ui/Input.h b/include/ui/Input.h
index 8c6018b..1355bab 100644
--- a/include/ui/Input.h
+++ b/include/ui/Input.h
@@ -76,7 +76,7 @@
  */
 enum {
     /* These flags originate in RawEvents and are generally set in the key map.
-     * See also labels for policy flags in KeycodeLabels.h. */
+     * NOTE: If you edit these flags, also edit labels in KeycodeLabels.h. */
 
     POLICY_FLAG_WAKE = 0x00000001,
     POLICY_FLAG_WAKE_DROPPED = 0x00000002,
@@ -87,6 +87,7 @@
     POLICY_FLAG_MENU = 0x00000040,
     POLICY_FLAG_LAUNCHER = 0x00000080,
     POLICY_FLAG_VIRTUAL = 0x00000100,
+    POLICY_FLAG_FUNCTION = 0x00000200,
 
     POLICY_FLAG_RAW_MASK = 0x0000ffff,
 
diff --git a/include/ui/InputReader.h b/include/ui/InputReader.h
index c15e382..a1b59e6 100644
--- a/include/ui/InputReader.h
+++ b/include/ui/InputReader.h
@@ -419,9 +419,18 @@
         Vector<KeyDown> keyDowns; // keys that are down
         int32_t metaState;
         nsecs_t downTime; // time of most recent key down
+
+        struct LedState {
+            bool avail; // led is available
+            bool on;    // we think the led is currently on
+        };
+        LedState capsLockLedState;
+        LedState numLockLedState;
+        LedState scrollLockLedState;
     } mLocked;
 
     void initializeLocked();
+    void initializeLedStateLocked(LockedState::LedState& ledState, int32_t led);
 
     bool isKeyboardOrGamepadKey(int32_t scanCode);
 
@@ -429,6 +438,10 @@
             uint32_t policyFlags);
 
     ssize_t findKeyDownLocked(int32_t scanCode);
+
+    void updateLedStateLocked(bool reset);
+    void updateLedStateForModifierLocked(LockedState::LedState& ledState, int32_t led,
+            int32_t modifier, bool reset);
 };
 
 
diff --git a/include/ui/KeycodeLabels.h b/include/ui/KeycodeLabels.h
index f71d9cd..ef2b6b3 100755
--- a/include/ui/KeycodeLabels.h
+++ b/include/ui/KeycodeLabels.h
@@ -135,6 +135,59 @@
     { "BUTTON_START", 108 },
     { "BUTTON_SELECT", 109 },
     { "BUTTON_MODE", 110 },
+    { "ESCAPE", 111 },
+    { "FORWARD_DEL", 112 },
+    { "CTRL_LEFT", 113 },
+    { "CTRL_RIGHT", 114 },
+    { "CAPS_LOCK", 115 },
+    { "SCROLL_LOCK", 116 },
+    { "META_LEFT", 117 },
+    { "META_RIGHT", 118 },
+    { "FUNCTION", 119 },
+    { "SYSRQ", 120 },
+    { "BREAK", 121 },
+    { "MOVE_HOME", 122 },
+    { "MOVE_END", 123 },
+    { "INSERT", 124 },
+    { "FORWARD", 125 },
+    { "MEDIA_PLAY", 126 },
+    { "MEDIA_PAUSE", 127 },
+    { "MEDIA_CLOSE", 128 },
+    { "MEDIA_EJECT", 129 },
+    { "MEDIA_RECORD", 130 },
+    { "F1", 131 },
+    { "F2", 132 },
+    { "F3", 133 },
+    { "F4", 134 },
+    { "F5", 135 },
+    { "F6", 136 },
+    { "F7", 137 },
+    { "F8", 138 },
+    { "F9", 139 },
+    { "F10", 140 },
+    { "F11", 141 },
+    { "F12", 142 },
+    { "NUM_LOCK", 143 },
+    { "NUMPAD_0", 144 },
+    { "NUMPAD_1", 145 },
+    { "NUMPAD_2", 146 },
+    { "NUMPAD_3", 147 },
+    { "NUMPAD_4", 148 },
+    { "NUMPAD_5", 149 },
+    { "NUMPAD_6", 150 },
+    { "NUMPAD_7", 151 },
+    { "NUMPAD_8", 152 },
+    { "NUMPAD_9", 153 },
+    { "NUMPAD_DIVIDE", 154 },
+    { "NUMPAD_MULTIPLY", 155 },
+    { "NUMPAD_SUBTRACT", 156 },
+    { "NUMPAD_ADD", 157 },
+    { "NUMPAD_DOT", 158 },
+    { "NUMPAD_COMMA", 159 },
+    { "NUMPAD_ENTER", 160 },
+    { "NUMPAD_EQUALS", 161 },
+    { "NUMPAD_LEFT_PAREN", 162 },
+    { "NUMPAD_RIGHT_PAREN", 163 },
 
     // 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.
@@ -142,7 +195,7 @@
     { NULL, 0 }
 };
 
-// See also policy flags in Input.h.
+// NOTE: If you edit these flags, also edit policy flags in Input.h.
 static const KeycodeLabel FLAGS[] = {
     { "WAKE", 0x00000001 },
     { "WAKE_DROPPED", 0x00000002 },
@@ -153,6 +206,7 @@
     { "MENU", 0x00000040 },
     { "LAUNCHER", 0x00000080 },
     { "VIRTUAL", 0x00000100 },
+    { "FUNCTION", 0x00000200 },
     { NULL, 0 }
 };
 
diff --git a/include/utils/String8.h b/include/utils/String8.h
index ef0b51a..cef8eca 100644
--- a/include/utils/String8.h
+++ b/include/utils/String8.h
@@ -157,9 +157,12 @@
     inline  size_t              size() const;
     inline  size_t              length() const;
     inline  size_t              bytes() const;
+    inline  bool                isEmpty() const;
     
     inline  const SharedBuffer* sharedBuffer() const;
     
+            void                clear();
+
             void                setTo(const String8& other);
             status_t            setTo(const char* other);
             status_t            setTo(const char* other, size_t numChars);
@@ -345,6 +348,11 @@
     return length();
 }
 
+inline bool String8::isEmpty() const
+{
+    return length() == 0;
+}
+
 inline size_t String8::bytes() const
 {
     return SharedBuffer::sizeFromData(mString)-1;
diff --git a/libs/ui/EventHub.cpp b/libs/ui/EventHub.cpp
index 944731d..97a7528 100644
--- a/libs/ui/EventHub.cpp
+++ b/libs/ui/EventHub.cpp
@@ -94,7 +94,7 @@
 
 EventHub::device_t::device_t(int32_t _id, const char* _path, const char* name)
     : id(_id), path(_path), name(name), classes(0)
-    , keyBitmask(NULL), layoutMap(new KeyLayoutMap()), fd(-1), next(NULL) {
+    , keyBitmask(NULL), layoutMap(new KeyLayoutMap()), defaultKeyMap(false), fd(-1), next(NULL) {
 }
 
 EventHub::device_t::~device_t() {
@@ -103,7 +103,7 @@
 }
 
 EventHub::EventHub(void)
-    : mError(NO_INIT), mHaveFirstKeyboard(false), mFirstKeyboardId(0)
+    : mError(NO_INIT), mHaveFirstKeyboard(false), mFirstKeyboardId(-1)
     , mDevicesById(0), mNumDevicesById(0)
     , mOpeningDevices(0), mClosingDevices(0)
     , mDevices(0), mFDs(0), mFDCount(0), mOpened(false), mNeedToSendFinishedDeviceScan(false)
@@ -325,6 +325,39 @@
     mExcludedDevices.push_back(name);
 }
 
+bool EventHub::hasLed(int32_t deviceId, int32_t led) const {
+    AutoMutex _l(mLock);
+    device_t* device = getDeviceLocked(deviceId);
+    if (device) {
+        uint8_t bitmask[sizeof_bit_array(LED_MAX + 1)];
+        memset(bitmask, 0, sizeof(bitmask));
+        if (ioctl(device->fd, EVIOCGBIT(EV_LED, sizeof(bitmask)), bitmask) >= 0) {
+            if (test_bit(led, bitmask)) {
+                return true;
+            }
+        }
+    }
+    return false;
+}
+
+void EventHub::setLedState(int32_t deviceId, int32_t led, bool on) {
+    AutoMutex _l(mLock);
+    device_t* device = getDeviceLocked(deviceId);
+    if (device) {
+        struct input_event ev;
+        ev.time.tv_sec = 0;
+        ev.time.tv_usec = 0;
+        ev.type = EV_LED;
+        ev.code = led;
+        ev.value = on ? 1 : 0;
+
+        ssize_t nWrite;
+        do {
+            nWrite = write(device->fd, &ev, sizeof(struct input_event));
+        } while (nWrite == -1 && errno == EINTR);
+    }
+}
+
 EventHub::device_t* EventHub::getDeviceLocked(int32_t deviceId) const
 {
     if (deviceId == 0) deviceId = mFirstKeyboardId;
@@ -760,54 +793,42 @@
 #endif
 
     if ((device->classes & INPUT_DEVICE_CLASS_KEYBOARD) != 0) {
-        char tmpfn[sizeof(name)];
-        char keylayoutFilename[300];
-
         // a more descriptive name
         device->name = name;
 
-        // replace all the spaces with underscores
-        strcpy(tmpfn, name);
-        for (char *p = strchr(tmpfn, ' '); p && *p; p = strchr(tmpfn, ' '))
-            *p = '_';
+        // Configure the keymap for the device.
+        configureKeyMap(device);
 
-        // find the .kl file we need for this device
-        const char* root = getenv("ANDROID_ROOT");
-        snprintf(keylayoutFilename, sizeof(keylayoutFilename),
-                 "%s/usr/keylayout/%s.kl", root, tmpfn);
-        bool defaultKeymap = false;
-        if (access(keylayoutFilename, R_OK)) {
-            snprintf(keylayoutFilename, sizeof(keylayoutFilename),
-                     "%s/usr/keylayout/%s", root, "qwerty.kl");
-            defaultKeymap = true;
-        }
-        status_t status = device->layoutMap->load(keylayoutFilename);
-        if (status) {
-            LOGE("Error %d loading key layout.", status);
-        }
-
-        // tell the world about the devname (the descriptive name)
-        if (!mHaveFirstKeyboard && !defaultKeymap && strstr(name, "-keypad")) {
+        // Tell the world about the devname (the descriptive name)
+        if (!mHaveFirstKeyboard && !device->defaultKeyMap && strstr(name, "-keypad")) {
             // the built-in keyboard has a well-known device ID of 0,
             // this device better not go away.
             mHaveFirstKeyboard = true;
             mFirstKeyboardId = device->id;
-            property_set("hw.keyboards.0.devname", name);
+            setKeyboardProperties(device, true);
         } else {
             // ensure mFirstKeyboardId is set to -something-.
-            if (mFirstKeyboardId == 0) {
+            if (mFirstKeyboardId == -1) {
                 mFirstKeyboardId = device->id;
+                setKeyboardProperties(device, true);
             }
         }
-        char propName[100];
-        sprintf(propName, "hw.keyboards.%u.devname", device->id);
-        property_set(propName, name);
+        setKeyboardProperties(device, false);
+
+        // Load the keylayout.
+        if (!device->keyLayoutFilename.isEmpty()) {
+            status_t status = device->layoutMap->load(device->keyLayoutFilename);
+            if (status) {
+                LOGE("Error %d loading key layout file '%s'.", status,
+                        device->keyLayoutFilename.string());
+            }
+        }
 
         // 'Q' key support = cheap test of whether this is an alpha-capable kbd
         if (hasKeycodeLocked(device, AKEYCODE_Q)) {
             device->classes |= INPUT_DEVICE_CLASS_ALPHAKEY;
         }
-        
+
         // See if this device has a DPAD.
         if (hasKeycodeLocked(device, AKEYCODE_DPAD_UP) &&
                 hasKeycodeLocked(device, AKEYCODE_DPAD_DOWN) &&
@@ -816,7 +837,7 @@
                 hasKeycodeLocked(device, AKEYCODE_DPAD_CENTER)) {
             device->classes |= INPUT_DEVICE_CLASS_DPAD;
         }
-        
+
         // See if this device has a gamepad.
         for (size_t i = 0; i < sizeof(GAMEPAD_KEYCODES); i++) {
             if (hasKeycodeLocked(device, GAMEPAD_KEYCODES[i])) {
@@ -825,8 +846,9 @@
             }
         }
 
-        LOGI("New keyboard: device->id=0x%x devname='%s' propName='%s' keylayout='%s'\n",
-                device->id, name, propName, keylayoutFilename);
+        LOGI("New keyboard: device->id=0x%x devname='%s' keylayout='%s' keycharactermap='%s'\n",
+                device->id, name,
+                device->keyLayoutFilename.string(), device->keyCharacterMapFilename.string());
     }
 
     // If the device isn't recognized as something we handle, don't monitor it.
@@ -852,6 +874,109 @@
     return 0;
 }
 
+void EventHub::configureKeyMap(device_t* device) {
+    // As an initial key map name, try using the device name.
+    String8 keyMapName(device->name);
+    char* p = keyMapName.lockBuffer(keyMapName.size());
+    while (*p) {
+        if (*p == ' ') *p = '_';
+        p++;
+    }
+    keyMapName.unlockBuffer();
+
+    if (probeKeyMap(device, keyMapName, false)) return;
+
+    // TODO Consider allowing the user to configure a specific key map somehow.
+
+    // Try the Generic key map.
+    // TODO Apply some additional heuristics here to figure out what kind of
+    //      generic key map to use (US English, etc.).
+    keyMapName.setTo("Generic");
+    if (probeKeyMap(device, keyMapName, true)) return;
+
+    // Fall back on the old style catchall qwerty key map.
+    keyMapName.setTo("qwerty");
+    if (probeKeyMap(device, keyMapName, true)) return;
+
+    // Give up!
+    keyMapName.setTo("unknown");
+    selectKeyMap(device, keyMapName, true);
+    LOGE("Could not determine key map for device '%s'.", device->name.string());
+}
+
+bool EventHub::probeKeyMap(device_t* device, const String8& keyMapName, bool defaultKeyMap) {
+    const char* root = getenv("ANDROID_ROOT");
+
+    // TODO Consider also looking somewhere in a writeable partition like /data for a
+    //      custom keymap supplied by the user for this device.
+    bool haveKeyLayout = !device->keyLayoutFilename.isEmpty();
+    if (!haveKeyLayout) {
+        device->keyLayoutFilename.setTo(root);
+        device->keyLayoutFilename.append("/usr/keylayout/");
+        device->keyLayoutFilename.append(keyMapName);
+        device->keyLayoutFilename.append(".kl");
+        if (access(device->keyLayoutFilename.string(), R_OK)) {
+            device->keyLayoutFilename.clear();
+        } else {
+            haveKeyLayout = true;
+        }
+    }
+
+    bool haveKeyCharacterMap = !device->keyCharacterMapFilename.isEmpty();
+    if (!haveKeyCharacterMap) {
+        device->keyCharacterMapFilename.setTo(root);
+        device->keyCharacterMapFilename.append("/usr/keychars/");
+        device->keyCharacterMapFilename.append(keyMapName);
+        device->keyCharacterMapFilename.append(".kcm.bin");
+        if (access(device->keyCharacterMapFilename.string(), R_OK)) {
+            device->keyCharacterMapFilename.clear();
+        } else {
+            haveKeyCharacterMap = true;
+        }
+    }
+
+    if (haveKeyLayout || haveKeyCharacterMap) {
+        selectKeyMap(device, keyMapName, defaultKeyMap);
+    }
+    return haveKeyLayout && haveKeyCharacterMap;
+}
+
+void EventHub::selectKeyMap(device_t* device,
+        const String8& keyMapName, bool defaultKeyMap) {
+    if (device->keyMapName.isEmpty()) {
+        device->keyMapName.setTo(keyMapName);
+        device->defaultKeyMap = defaultKeyMap;
+    }
+}
+
+void EventHub::setKeyboardProperties(device_t* device, bool firstKeyboard) {
+    int32_t id = firstKeyboard ? 0 : device->id;
+
+    char propName[100];
+    sprintf(propName, "hw.keyboards.%u.devname", id);
+    property_set(propName, device->name.string());
+    sprintf(propName, "hw.keyboards.%u.keymap", id);
+    property_set(propName, device->keyMapName.string());
+    sprintf(propName, "hw.keyboards.%u.klfile", id);
+    property_set(propName, device->keyLayoutFilename.string());
+    sprintf(propName, "hw.keyboards.%u.kcmfile", id);
+    property_set(propName, device->keyCharacterMapFilename.string());
+}
+
+void EventHub::clearKeyboardProperties(device_t* device, bool firstKeyboard) {
+    int32_t id = firstKeyboard ? 0 : device->id;
+
+    char propName[100];
+    sprintf(propName, "hw.keyboards.%u.devname", id);
+    property_set(propName, "");
+    sprintf(propName, "hw.keyboards.%u.keymap", id);
+    property_set(propName, "");
+    sprintf(propName, "hw.keyboards.%u.klfile", id);
+    property_set(propName, "");
+    sprintf(propName, "hw.keyboards.%u.kcmfile", id);
+    property_set(propName, "");
+}
+
 bool EventHub::hasKeycodeLocked(device_t* device, int keycode) const
 {
     if (device->keyBitmask == NULL || device->layoutMap == NULL) {
@@ -909,13 +1034,10 @@
             if (device->id == mFirstKeyboardId) {
                 LOGW("built-in keyboard device %s (id=%d) is closing! the apps will not like this",
                         device->path.string(), mFirstKeyboardId);
-                mFirstKeyboardId = 0;
-                property_set("hw.keyboards.0.devname", NULL);
+                mFirstKeyboardId = -1;
+                clearKeyboardProperties(device, true);
             }
-            // clear the property
-            char propName[100];
-            sprintf(propName, "hw.keyboards.%u.devname", device->id);
-            property_set(propName, NULL);
+            clearKeyboardProperties(device, false);
             return 0;
         }
     }
@@ -1014,7 +1136,11 @@
                 }
                 dump.appendFormat(INDENT3 "Classes: 0x%08x\n", device->classes);
                 dump.appendFormat(INDENT3 "Path: %s\n", device->path.string());
-                dump.appendFormat(INDENT3 "KeyLayoutFile: %s\n", device->keylayoutFilename.string());
+                dump.appendFormat(INDENT3 "KeyMapName: %s\n", device->keyMapName.string());
+                dump.appendFormat(INDENT3 "KeyLayoutFilename: %s\n",
+                        device->keyLayoutFilename.string());
+                dump.appendFormat(INDENT3 "KeyCharacterMapFilename: %s\n",
+                        device->keyCharacterMapFilename.string());
             }
         }
     } // release lock
diff --git a/libs/ui/InputReader.cpp b/libs/ui/InputReader.cpp
index 0560bb8..6225121 100644
--- a/libs/ui/InputReader.cpp
+++ b/libs/ui/InputReader.cpp
@@ -70,32 +70,15 @@
     return value ? "true" : "false";
 }
 
-
-int32_t updateMetaState(int32_t keyCode, bool down, int32_t oldMetaState) {
-    int32_t mask;
-    switch (keyCode) {
-    case AKEYCODE_ALT_LEFT:
-        mask = AMETA_ALT_LEFT_ON;
-        break;
-    case AKEYCODE_ALT_RIGHT:
-        mask = AMETA_ALT_RIGHT_ON;
-        break;
-    case AKEYCODE_SHIFT_LEFT:
-        mask = AMETA_SHIFT_LEFT_ON;
-        break;
-    case AKEYCODE_SHIFT_RIGHT:
-        mask = AMETA_SHIFT_RIGHT_ON;
-        break;
-    case AKEYCODE_SYM:
-        mask = AMETA_SYM_ON;
-        break;
-    default:
-        return oldMetaState;
+int32_t setEphemeralMetaState(int32_t mask, bool down, int32_t oldMetaState) {
+    int32_t newMetaState;
+    if (down) {
+        newMetaState = oldMetaState | mask;
+    } else {
+        newMetaState = oldMetaState &
+                ~(mask | AMETA_ALT_ON | AMETA_SHIFT_ON | AMETA_CTRL_ON | AMETA_META_ON);
     }
 
-    int32_t newMetaState = down ? oldMetaState | mask : oldMetaState & ~ mask
-            & ~ (AMETA_ALT_ON | AMETA_SHIFT_ON);
-
     if (newMetaState & (AMETA_ALT_LEFT_ON | AMETA_ALT_RIGHT_ON)) {
         newMetaState |= AMETA_ALT_ON;
     }
@@ -104,9 +87,58 @@
         newMetaState |= AMETA_SHIFT_ON;
     }
 
+    if (newMetaState & (AMETA_CTRL_LEFT_ON | AMETA_CTRL_RIGHT_ON)) {
+        newMetaState |= AMETA_CTRL_ON;
+    }
+
+    if (newMetaState & (AMETA_META_LEFT_ON | AMETA_META_RIGHT_ON)) {
+        newMetaState |= AMETA_META_ON;
+    }
     return newMetaState;
 }
 
+int32_t toggleLockedMetaState(int32_t mask, bool down, int32_t oldMetaState) {
+    if (down) {
+        return oldMetaState;
+    } else {
+        return oldMetaState ^ mask;
+    }
+}
+
+int32_t updateMetaState(int32_t keyCode, bool down, int32_t oldMetaState) {
+    int32_t mask;
+    switch (keyCode) {
+    case AKEYCODE_ALT_LEFT:
+        return setEphemeralMetaState(AMETA_ALT_LEFT_ON, down, oldMetaState);
+    case AKEYCODE_ALT_RIGHT:
+        return setEphemeralMetaState(AMETA_ALT_RIGHT_ON, down, oldMetaState);
+    case AKEYCODE_SHIFT_LEFT:
+        return setEphemeralMetaState(AMETA_SHIFT_LEFT_ON, down, oldMetaState);
+    case AKEYCODE_SHIFT_RIGHT:
+        return setEphemeralMetaState(AMETA_SHIFT_RIGHT_ON, down, oldMetaState);
+    case AKEYCODE_SYM:
+        return setEphemeralMetaState(AMETA_SYM_ON, down, oldMetaState);
+    case AKEYCODE_FUNCTION:
+        return setEphemeralMetaState(AMETA_FUNCTION_ON, down, oldMetaState);
+    case AKEYCODE_CTRL_LEFT:
+        return setEphemeralMetaState(AMETA_CTRL_LEFT_ON, down, oldMetaState);
+    case AKEYCODE_CTRL_RIGHT:
+        return setEphemeralMetaState(AMETA_CTRL_RIGHT_ON, down, oldMetaState);
+    case AKEYCODE_META_LEFT:
+        return setEphemeralMetaState(AMETA_META_LEFT_ON, down, oldMetaState);
+    case AKEYCODE_META_RIGHT:
+        return setEphemeralMetaState(AMETA_META_RIGHT_ON, down, oldMetaState);
+    case AKEYCODE_CAPS_LOCK:
+        return toggleLockedMetaState(AMETA_CAPS_LOCK_LATCHED, down, oldMetaState);
+    case AKEYCODE_NUM_LOCK:
+        return toggleLockedMetaState(AMETA_NUM_LOCK_LATCHED, down, oldMetaState);
+    case AKEYCODE_SCROLL_LOCK:
+        return toggleLockedMetaState(AMETA_SCROLL_LOCK_LATCHED, down, oldMetaState);
+    default:
+        return oldMetaState;
+    }
+}
+
 static const int32_t keyCodeRotationMap[][4] = {
         // key codes enumerated counter-clockwise with the original (unrotated) key first
         // no rotation,        90 degree rotation,  180 degree rotation, 270 degree rotation
@@ -842,6 +874,17 @@
 void KeyboardInputMapper::initializeLocked() {
     mLocked.metaState = AMETA_NONE;
     mLocked.downTime = 0;
+
+    initializeLedStateLocked(mLocked.capsLockLedState, LED_CAPSL);
+    initializeLedStateLocked(mLocked.numLockLedState, LED_NUML);
+    initializeLedStateLocked(mLocked.scrollLockLedState, LED_SCROLLL);
+
+    updateLedStateLocked(true);
+}
+
+void KeyboardInputMapper::initializeLedStateLocked(LockedState::LedState& ledState, int32_t led) {
+    ledState.avail = getEventHub()->hasLed(getDeviceId(), led);
+    ledState.on = false;
 }
 
 uint32_t KeyboardInputMapper::getSources() {
@@ -966,6 +1009,7 @@
         if (oldMetaState != newMetaState) {
             mLocked.metaState = newMetaState;
             metaStateChanged = true;
+            updateLedStateLocked(false);
         }
 
         downTime = mLocked.downTime;
@@ -975,6 +1019,9 @@
         getContext()->updateGlobalMetaState();
     }
 
+    if (policyFlags & POLICY_FLAG_FUNCTION) {
+        newMetaState |= AMETA_FUNCTION_ON;
+    }
     getDispatcher()->notifyKey(when, getDeviceId(), AINPUT_SOURCE_KEYBOARD, policyFlags,
             down ? AKEY_EVENT_ACTION_DOWN : AKEY_EVENT_ACTION_UP,
             AKEY_EVENT_FLAG_FROM_SYSTEM, keyCode, scanCode, newMetaState, downTime);
@@ -1010,6 +1057,26 @@
     } // release lock
 }
 
+void KeyboardInputMapper::updateLedStateLocked(bool reset) {
+    updateLedStateForModifierLocked(mLocked.capsLockLedState, LED_CAPSL,
+            AMETA_CAPS_LOCK_LATCHED, reset);
+    updateLedStateForModifierLocked(mLocked.numLockLedState, LED_NUML,
+            AMETA_NUM_LOCK_LATCHED, reset);
+    updateLedStateForModifierLocked(mLocked.scrollLockLedState, LED_SCROLLL,
+            AMETA_SCROLL_LOCK_LATCHED, reset);
+}
+
+void KeyboardInputMapper::updateLedStateForModifierLocked(LockedState::LedState& ledState,
+        int32_t led, int32_t modifier, bool reset) {
+    if (ledState.avail) {
+        bool desiredState = (mLocked.metaState & modifier) != 0;
+        if (ledState.on != desiredState) {
+            getEventHub()->setLedState(getDeviceId(), led, desiredState);
+            ledState.on = desiredState;
+        }
+    }
+}
+
 
 // --- TrackballInputMapper ---
 
diff --git a/libs/ui/KeyCharacterMap.cpp b/libs/ui/KeyCharacterMap.cpp
index e891181..870a45c 100644
--- a/libs/ui/KeyCharacterMap.cpp
+++ b/libs/ui/KeyCharacterMap.cpp
@@ -156,26 +156,38 @@
 KeyCharacterMap*
 KeyCharacterMap::load(int id)
 {
-    KeyCharacterMap* rv = NULL;
+    KeyCharacterMap* map;
     char path[PATH_MAX];
     char propName[100];
     char dev[PROPERTY_VALUE_MAX];
-    char tmpfn[PROPERTY_VALUE_MAX];
+    char fn[PROPERTY_VALUE_MAX];
     int err;
+
+    // Check whether the EventHub has set a key character map filename for us already.
+    sprintf(propName, "hw.keyboards.%u.kcmfile", id);
+    err = property_get(propName, fn, "");
+    if (err > 0) {
+        map = try_file(fn);
+        if (map) {
+            return map;
+        }
+        LOGW("Error loading keycharmap file '%s'. %s='%s'", path, propName, fn);
+    }
+
+    // Try using the device name.
     const char* root = getenv("ANDROID_ROOT");
 
     sprintf(propName, "hw.keyboards.%u.devname", id);
     err = property_get(propName, dev, "");
     if (err > 0) {
         // replace all the spaces with underscores
-        strcpy(tmpfn, dev);
-        for (char *p = strchr(tmpfn, ' '); p && *p; p = strchr(tmpfn, ' '))
+        strcpy(fn, dev);
+        for (char *p = strchr(fn, ' '); p && *p; p = strchr(p + 1, ' '))
             *p = '_';
-        snprintf(path, sizeof(path), "%s/usr/keychars/%s.kcm.bin", root, tmpfn);
-        //LOGD("load: dev='%s' path='%s'\n", dev, path);
-        rv = try_file(path);
-        if (rv != NULL) {
-            return rv;
+        snprintf(path, sizeof(path), "%s/usr/keychars/%s.kcm.bin", root, fn);
+        map = try_file(path);
+        if (map) {
+            return map;
         }
         LOGW("Error loading keycharmap file '%s'. %s='%s'", path, propName, dev);
     } else {
@@ -183,14 +195,14 @@
     }
 
     snprintf(path, sizeof(path), "%s/usr/keychars/qwerty.kcm.bin", root);
-    rv = try_file(path);
-    if (rv == NULL) {
-        LOGE("Can't find any keycharmaps (also tried %s)", path);
-        return NULL;
+    map = try_file(path);
+    if (map) {
+        LOGW("Using default keymap: %s", path);
+        return map;
     }
-    LOGW("Using default keymap: %s", path);
 
-    return rv;
+    LOGE("Can't find any keycharmaps (also tried %s)", path);
+    return NULL;
 }
 
 KeyCharacterMap*
diff --git a/libs/utils/String8.cpp b/libs/utils/String8.cpp
index 1c4f80c..6358fc4 100644
--- a/libs/utils/String8.cpp
+++ b/libs/utils/String8.cpp
@@ -292,6 +292,11 @@
     SharedBuffer::bufferFromData(mString)->release();
 }
 
+void String8::clear() {
+    SharedBuffer::bufferFromData(mString)->release();
+    mString = getEmptyString();
+}
+
 void String8::setTo(const String8& other)
 {
     SharedBuffer::bufferFromData(other.mString)->acquire();