Merge changes I7df1ff78,Ibc2e8adf into honeycomb

* changes:
  MediaScanner: Make sure name field is set for file based playlists
  MTP: Fix problem with MTP starting up on the first try.

media/java/android/media/MediaScanner.java

@@ -1462,22 +1462,29 @@ public class MediaScanner
         if (lastSlash < 0) throw new IllegalArgumentException("bad path " + path);
         Uri uri, membersUri;
         long rowId = entry.mRowId;
-        if (rowId == 0) {
-            // Create a new playlist
 
-            int lastDot = path.lastIndexOf('.');
+        // make sure we have a name
-            String name = (lastDot < 0 ? path.substring(lastSlash + 1) : path.substring(lastSlash + 1, lastDot));
+        String name = values.getAsString(MediaStore.Audio.Playlists.NAME);
-            values.put(MediaStore.Audio.Playlists.NAME, name);
+        if (name == null) {
+            name = values.getAsString(MediaStore.MediaColumns.TITLE);
+            if (name == null) {
+                // extract name from file name
+                int lastDot = path.lastIndexOf('.');
+                name = (lastDot < 0 ? path.substring(lastSlash + 1)
+                        : path.substring(lastSlash + 1, lastDot));
+            }
+        }
+
+        values.put(MediaStore.Audio.Playlists.NAME, name);
+        values.put(MediaStore.Audio.Playlists.DATE_MODIFIED, entry.mLastModified);
+
+        if (rowId == 0) {
             values.put(MediaStore.Audio.Playlists.DATA, path);
-            values.put(MediaStore.Audio.Playlists.DATE_MODIFIED, entry.mLastModified);
             uri = mMediaProvider.insert(mPlaylistsUri, values);
             rowId = ContentUris.parseId(uri);
             membersUri = Uri.withAppendedPath(uri, Playlists.Members.CONTENT_DIRECTORY);
         } else {
             uri = ContentUris.withAppendedId(mPlaylistsUri, rowId);
-
-            // update lastModified value of existing playlist
-            values.put(MediaStore.Audio.Playlists.DATE_MODIFIED, entry.mLastModified);
             mMediaProvider.update(uri, values, null, null);
 
             // delete members of existing playlist

media/jni/android_mtp_MtpServer.cpp

@@ -62,6 +62,7 @@ private:
     String8         mStoragePath;
     uint64_t        mReserveSpace;
     jobject         mJavaServer;
+    bool            mDone;
     int             mFd;
 
 public:
@@ -72,6 +73,7 @@ public:
             mStoragePath(storagePath),
             mReserveSpace(reserveSpace),
             mJavaServer(javaServer),
+            mDone(false),
             mFd(-1)
     {
     }
@@ -104,12 +106,17 @@ public:
 
         mServer = new MtpServer(mFd, mDatabase, AID_MEDIA_RW, 0664, 0775);
         mServer->addStorage(mStoragePath, mReserveSpace);
-        sMutex.unlock();
 
-        LOGD("MtpThread mServer->run");
+        while (!mDone) {
-        mServer->run();
+            sMutex.unlock();
+
+            LOGD("MtpThread mServer->run");
+            mServer->run();
+            sleep(1);
+
+            sMutex.lock();
+        }
 
-        sMutex.lock();
         close(mFd);
         mFd = -1;
         delete mServer;
@@ -124,6 +131,12 @@ public:
         return false;
     }
 
+    void stop() {
+        sMutex.lock();
+        mDone = true;
+        sMutex.unlock();
+    }
+
     void sendObjectAdded(MtpObjectHandle handle) {
         sMutex.lock();
         if (mServer)
@@ -181,6 +194,9 @@ android_mtp_MtpServer_stop(JNIEnv *env, jobject thiz)
 {
 #ifdef HAVE_ANDROID_OS
     LOGD("stop\n");
+    MtpThread *thread = (MtpThread *)env->GetIntField(thiz, field_context);
+    if (thread)
+        thread->stop();
 #endif
 }
 
@@ -212,7 +228,7 @@ android_mtp_MtpServer_set_ptp_mode(JNIEnv *env, jobject thiz, jboolean usePtp)
     MtpThread *thread = (MtpThread *)env->GetIntField(thiz, field_context);
     if (thread)
         thread->setPtpMode(usePtp);
- #endif
+#endif
 }
 
 // ----------------------------------------------------------------------------