diff -r 000000000000 -r bde4ae8d615e os/mm/devsound/sounddevbt/src/Plugin/MmfBtFileDependencyUtil.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/mm/devsound/sounddevbt/src/Plugin/MmfBtFileDependencyUtil.cpp	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,36 @@
+// Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+#include "MmfBtFileDependencyUtil.h"
+
+
+void FileDependencyUtil::CheckFileDependencyL()
+	{	
+	RFs fsSession;
+  	RFile file;
+
+    CleanupClosePushL(fsSession);
+  	User::LeaveIfError(fsSession.Connect());
+
+    TInt err = file.Open(fsSession, KSoundDevBtFileName, EFileRead);
+
+  	file.Close();
+
+  	if(err != KErrNone)
+  		{
+	    User::LeaveIfError(KErrNotSupported);
+  		}
+  	CleanupStack::PopAndDestroy(); //fsSession 
+	}