recovery: add recovery key mapping for VZW (swapping the keys)

Change-Id: I4fe08db3ce6455729a4c0fffcbc381b4ca9567a9

recovery/recovery_ui_vzw.c

@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2009 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.
+ */
+
+#include <linux/input.h>
+
+#include "recovery_ui.h"
+#include "common.h"
+#include "extendedcommands.h"
+
+int device_toggle_display(volatile char* key_pressed, int key_code) {
+    int alt = key_pressed[KEY_POWER];
+    if (alt && key_code == KEY_VOLUMEDOWN)
+        return 1;
+    // allow toggling of the display if the correct key is pressed, and the display toggle is allowed or the display is currently off
+    if (ui_get_showing_back_button()) {
+        return get_allow_toggle_display() && (key_code == KEY_POWER && key_code == KEY_VOLUMEDOWN);
+    }
+    return get_allow_toggle_display() && (key_code == KEY_POWER && key_code == KEY_VOLUMEDOWN);
+}
+
+int device_handle_key(int key_code, int visible) {
+    if (visible) {
+        switch (key_code) {
+            case KEY_VOLUMEUP:
+                return HIGHLIGHT_UP;
+
+            case KEY_VOLUMEDOWN:
+                return HIGHLIGHT_DOWN;
+
+            case KEY_POWER:
+                    return SELECT_ITEM;
+        }
+    }
+
+    return NO_ACTION;
+}