diff -r 000000000000 -r bde4ae8d615e os/mm/devsound/devsoundrefplugin/src/platsec/SoundDevice/MmfDevSoundCIMuxUtility.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/mm/devsound/devsoundrefplugin/src/platsec/SoundDevice/MmfDevSoundCIMuxUtility.h	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,63 @@
+// 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:
+// MmfDevSoundCIMuxUtility.cpp
+// 
+//
+
+#ifndef MMFDEVSOUNDCIMUXUTILITY_H
+#define MMFDEVSOUNDCIMUXUTILITY_H
+
+#include <f32file.h>
+#include <e32math.h>
+#include <s32mem.h> 
+#include "MmfDevSoundServerStart.h"
+#include "MmfAudioClientServer.h"
+#include <mmf/server/mmfdevsoundcustominterface.h>
+
+
+/**
+* @internalTechnology
+* @file
+*/
+
+class CMMFDevSoundCIMuxUtility;
+NONSHARABLE_CLASS( CMMFDevSoundCIMuxUtility ) : public CBase, 
+												public MMMFDevSoundCustomInterfaceMuxUtility
+	{
+public:
+	static CMMFDevSoundCIMuxUtility* NewL(MMMFDevSoundCustomInterfaceChannel* aCustomChannel);
+	virtual ~CMMFDevSoundCIMuxUtility();
+	void ConstructL();
+
+	// create a custom interface Mux implementation
+	MMMFDevSoundCustomInterfaceMuxPlugin* CreateCustomInterfaceMuxL(TUid aInterfaceId);
+	
+	// from MMMFDevSoundCustomInterfaceMux interface
+	virtual TInt OpenSlave(TUid, const TDesC8& aPackageBuf);
+	virtual void CloseSlave(TInt aHandle);
+	virtual TInt SendSlaveSyncCommand(TInt aHandle, TInt aCommand, const TDesC8& aPackageBuf);
+	virtual TInt SendSlaveSyncCommandResult(TInt aHandle, TInt aCommand, const TDesC8& aPackageBuf, TDes8& aResultBuf); 
+	virtual void SendSlaveAsyncCommand(TMMFDevSoundCustomInterfaceCommandPackage& aComPackage, TRequestStatus& aStatus, const TDesC8& aPackageBuf);
+	virtual void SendSlaveAsyncCommandResult(TMMFDevSoundCustomInterfaceCommandPackage& aComPackage, TRequestStatus& aStatus, const TDesC8& aPackageBuf, TDes8& aResultBuf);	
+private:
+	CMMFDevSoundCIMuxUtility(MMMFDevSoundCustomInterfaceChannel* aCustomChannel);
+
+	MMMFDevSoundCustomInterfaceChannel* iCustomChannel;
+	};
+
+
+
+
+
+#endif