diff --git a/include/tts/TtsEngine.h b/include/tts/TtsEngine.h
index 8486532..ca50a5e 100644
--- a/include/tts/TtsEngine.h
+++ b/include/tts/TtsEngine.h
@@ -69,6 +69,14 @@
     TTS_MISSING_RESOURCES       = -6
 };
 
+enum tts_support_result {
+    TTS_LANG_COUNTRY_VAR_AVAILABLE = 2,
+    TTS_LANG_COUNTRY_AVAILABLE = 1,
+    TTS_LANG_AVAILABLE = 0,
+    TTS_LANG_MISSING_DATA = -1,
+    TTS_LANG_NOT_SUPPORTED = -2
+};
+
 class TtsEngine
 {
 public:
@@ -86,19 +94,32 @@
     // @return TTS_SUCCESS, or TTS_FAILURE
     virtual tts_result stop();
 
+    // Returns the level of support for the language, country and variant.
+    // @return TTS_LANG_COUNTRY_VAR_AVAILABLE if the language, country and variant are supported,
+    //            and the corresponding resources are correctly installed
+    //         TTS_LANG_COUNTRY_AVAILABLE if the language and country are supported and the
+    //             corresponding resources are correctly installed, but there is no match for
+    //             the specified variant
+    //         TTS_LANG_AVAILABLE if the language is supported and the
+    //             corresponding resources are correctly installed, but there is no match for
+    //             the specified country and variant
+    //         TTS_LANG_MISSING_DATA if the required resources to provide any level of support
+    //             for the language are not correctly installed
+    //         TTS_LANG_NOT_SUPPORTED if the language is not supported by the TTS engine.
+    virtual tts_support_result isLanguageAvailable(const char *lang, const char *country,
+            const char *variant);
+
     // Load the resources associated with the specified language. The loaded
     // language will only be used once a call to setLanguage() with the same
-    // language value is issued. Language values are based on the Android
-    // conventions for localization as described in the Android platform
-    // documentation on internationalization. This implies that language
-    // data is specified in the format xx-rYY, where xx is a two letter
-    // ISO 639-1 language code in lowercase and rYY is a two letter
-    // ISO 3166-1-alpha-2 language code in uppercase preceded by a
-    // lowercase "r".
-    // @param value pointer to the language value
-    // @param size  length of the language value
+    // language value is issued. Language and country values are coded according to the ISO three
+    // letter codes for languages and countries, as can be retrieved from a java.util.Locale
+    // instance. The variant value is encoded as the variant string retrieved from a
+    // java.util.Locale instance built with that variant data.
+    // @param lang pointer to the ISO three letter code for the language
+    // @param country pointer to the ISO three letter code for the country
+    // @param variant pointer to the variant code
     // @return TTS_SUCCESS, or TTS_FAILURE
-    virtual tts_result loadLanguage(const char *value, const size_t size);
+    virtual tts_result loadLanguage(const char *lang, const char *country, const char *variant);
     
     // Load the resources associated with the specified language, country and Locale variant.
     // The loaded language will only be used once a call to setLanguageFromLocale() with the same
diff --git a/include/ui/Camera.h b/include/ui/Camera.h
index bbc21c4..97e0e90 100644
--- a/include/ui/Camera.h
+++ b/include/ui/Camera.h
@@ -63,16 +63,12 @@
 #define FRAME_CALLBACK_FLAG_CAMERA                   0x05
 #define FRAME_CALLBACK_FLAG_BARCODE_SCANNER          0x07
 
-// msgType in notifyCallback function
+// msgType in notifyCallback and dataCallback functions
 enum {
-    CAMERA_MSG_ERROR,
+    CAMERA_MSG_ERROR = 0,
     CAMERA_MSG_SHUTTER,
     CAMERA_MSG_FOCUS,
-    CAMERA_MSG_ZOOM
-};
-
-// msgType in dataCallback function
-enum {
+    CAMERA_MSG_ZOOM,
     CAMERA_MSG_PREVIEW_FRAME,
     CAMERA_MSG_VIDEO_FRAME,
     CAMERA_MSG_POSTVIEW_FRAME,
diff --git a/include/utils/ResourceTypes.h b/include/utils/ResourceTypes.h
index f1029b7..5c41ead 100644
--- a/include/utils/ResourceTypes.h
+++ b/include/utils/ResourceTypes.h
@@ -866,7 +866,7 @@
             uint8_t keyboard;
             uint8_t navigation;
             uint8_t inputFlags;
-            uint8_t pad0;
+            uint8_t inputPad0;
         };
         uint32_t input;
     };
@@ -905,6 +905,23 @@
         uint32_t version;
     };
     
+    enum {
+        SCREENLAYOUT_ANY  = 0x0000,
+        SCREENLAYOUT_SMALL = 0x0001,
+        SCREENLAYOUT_NORMAL = 0x0002,
+        SCREENLAYOUT_LARGE = 0x0003,
+    };
+    
+    union {
+        struct {
+            uint8_t screenLayout;
+            uint8_t screenConfigPad0;
+            uint8_t screenConfigPad1;
+            uint8_t screenConfigPad2;
+        };
+        uint32_t screenConfig;
+    };
+    
     inline void copyFromDeviceNoSwap(const ResTable_config& o) {
         const size_t size = dtohl(o.size);
         if (size >= sizeof(ResTable_config)) {
@@ -950,6 +967,8 @@
         diff = (int32_t)(screenSize - o.screenSize);
         if (diff != 0) return diff;
         diff = (int32_t)(version - o.version);
+        if (diff != 0) return diff;
+        diff = (int32_t)(screenLayout - o.screenLayout);
         return (int)diff;
     }
     
@@ -967,7 +986,8 @@
         CONFIG_ORIENTATION = 0x0080,
         CONFIG_DENSITY = 0x0100,
         CONFIG_SCREEN_SIZE = 0x0200,
-        CONFIG_VERSION = 0x0400
+        CONFIG_VERSION = 0x0400,
+        CONFIG_SCREEN_LAYOUT = 0x0800
     };
     
     // Compare two configuration, returning CONFIG_* flags set for each value
@@ -985,6 +1005,7 @@
         if (navigation != o.navigation) diffs |= CONFIG_NAVIGATION;
         if (screenSize != o.screenSize) diffs |= CONFIG_SCREEN_SIZE;
         if (version != o.version) diffs |= CONFIG_VERSION;
+        if (screenLayout != o.screenLayout) diffs |= CONFIG_SCREEN_LAYOUT;
         return diffs;
     }
     
@@ -1062,6 +1083,13 @@
             }
         }
 
+        if (screenConfig || o.screenConfig) {
+            if (screenLayout != o.screenLayout) {
+                if (!screenLayout) return false;
+                if (!o.screenLayout) return true;
+            }
+        }
+
         if (version || o.version) {
             if (sdkVersion != o.sdkVersion) {
                 if (!sdkVersion) return false;
@@ -1191,6 +1219,12 @@
                 }
             }
 
+            if (screenConfig || o.screenConfig) {
+                if ((screenLayout != o.screenLayout) && requested->screenLayout) {
+                    return (screenLayout);
+                }
+            }
+
             if (version || o.version) {
                 if ((sdkVersion != o.sdkVersion) && requested->sdkVersion) {
                     return (sdkVersion);
@@ -1282,6 +1316,12 @@
                 return false;
             }
         }
+        if (screenConfig != 0) {
+            if (settings.screenLayout != 0 && screenLayout != 0
+                && screenLayout != settings.screenLayout) {
+                return false;
+            }
+        }
         if (version != 0) {
             if (settings.sdkVersion != 0 && sdkVersion != 0
                 && sdkVersion != settings.sdkVersion) {
@@ -1310,13 +1350,13 @@
 
     String8 toString() const {
         char buf[200];
-        sprintf(buf, "imsi=%d/%d lang=%c%c reg=%c%c orient=0x%02x touch=0x%02x dens=0x%02x "
-                "kbd=0x%02x nav=0x%02x input=0x%02x screenW=0x%04x screenH=0x%04x vers=%d.%d",
+        sprintf(buf, "imsi=%d/%d lang=%c%c reg=%c%c orient=%d touch=%d dens=%d "
+                "kbd=%d nav=%d input=%d scrnW=%d scrnH=%d layout=%d vers=%d.%d",
                 mcc, mnc,
                 language[0] ? language[0] : '-', language[1] ? language[1] : '-',
                 country[0] ? country[0] : '-', country[1] ? country[1] : '-',
                 orientation, touchscreen, density, keyboard, navigation, inputFlags,
-                screenWidth, screenHeight, sdkVersion, minorVersion);
+                screenWidth, screenHeight, screenLayout, sdkVersion, minorVersion);
         return String8(buf);
     }
 };
diff --git a/libs/utils/BackupData.cpp b/libs/utils/BackupData.cpp
index 0868cff..cce754a 100644
--- a/libs/utils/BackupData.cpp
+++ b/libs/utils/BackupData.cpp
@@ -107,7 +107,10 @@
     } else {
         k = key;
     }
-    LOGD("m_keyPrefix=%s key=%s k=%s", m_keyPrefix.string(), key.string(), k.string());
+    if (true) {
+        LOGD("Writing entity: prefix='%s' key='%s' dataSize=%d", m_keyPrefix.string(), key.string(),
+                dataSize);
+    }
 
     entity_header_v1 header;
     ssize_t keyLen;
diff --git a/libs/utils/BackupHelpers.cpp b/libs/utils/BackupHelpers.cpp
index 99a4abc..4ad9b51 100644
--- a/libs/utils/BackupHelpers.cpp
+++ b/libs/utils/BackupHelpers.cpp
@@ -68,11 +68,15 @@
 
 const static int CURRENT_METADATA_VERSION = 1;
 
-#if 1 // TEST_BACKUP_HELPERS
+#if 1
+#define LOGP(f, x...)
+#else
+#if TEST_BACKUP_HELPERS
 #define LOGP(f, x...) printf(f "\n", x)
 #else
 #define LOGP(x...) LOGD(x)
 #endif
+#endif
 
 const static int ROUND_UP[4] = { 0, 3, 2, 1 };
 
@@ -349,7 +353,6 @@
 
         err = stat(file, &st);
         if (err != 0) {
-            LOGW("Error stating file %s", file);
             r.deleted = true;
         } else {
             r.deleted = false;
diff --git a/libs/utils/ResourceTypes.cpp b/libs/utils/ResourceTypes.cpp
index e4f9f0f..7a33220 100644
--- a/libs/utils/ResourceTypes.cpp
+++ b/libs/utils/ResourceTypes.cpp
@@ -3919,7 +3919,7 @@
                         printf("      NON-INTEGER ResTable_type ADDRESS: %p\n", type);
                         continue;
                     }
-                    printf("      config %d lang=%c%c cnt=%c%c orien=%d touch=%d density=%d key=%d infl=%d nav=%d w=%d h=%d\n",
+                    printf("      config %d lang=%c%c cnt=%c%c orien=%d touch=%d density=%d key=%d infl=%d nav=%d w=%d h=%d lyt=%d\n",
                            (int)configIndex,
                            type->config.language[0] ? type->config.language[0] : '-',
                            type->config.language[1] ? type->config.language[1] : '-',
@@ -3932,7 +3932,8 @@
                            type->config.inputFlags,
                            type->config.navigation,
                            dtohs(type->config.screenWidth),
-                           dtohs(type->config.screenHeight));
+                           dtohs(type->config.screenHeight),
+                           type->config.screenLayout);
                     size_t entryCount = dtohl(type->entryCount);
                     uint32_t entriesStart = dtohl(type->entriesStart);
                     if ((entriesStart&0x3) != 0) {