diff -r 000000000000 -r 71ca22bcf22a mmserv/tms/tmscallserver/src/csuplink.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmserv/tms/tmscallserver/src/csuplink.cpp	Tue Feb 02 01:08:46 2010 +0200
@@ -0,0 +1,204 @@
+/*
+ * Copyright (c) 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: Telephony Multimedia Service
+ *
+ */
+
+#include <AudioPreference.h>
+#include "csuplink.h"
+#include "mcspdevsoundobserver.h"
+
+using namespace TMS;
+
+// Mute value
+const gint KSetMuteToDevSound = 0;
+
+// ---------------------------------------------------------------------------
+// Static constructor.
+// ---------------------------------------------------------------------------
+//
+CSUplink* CSUplink::NewL(MCSPDevSoundObserver& aObserver)
+    {
+    CSUplink* self = new (ELeave) CSUplink(aObserver);
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    CleanupStack::Pop(self);
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// Destructor
+// ---------------------------------------------------------------------------
+//
+CSUplink::~CSUplink()
+    {
+    }
+
+// ---------------------------------------------------------------------------
+// Gives mic mute state
+// ---------------------------------------------------------------------------
+//
+TBool CSUplink::IsMuted()
+    {
+    TBool isMuted = EFalse;
+    gint gain = 0;
+    if (iDevSound)
+        {
+        gain = iDevSound->Gain();
+        }
+    if (!gain)
+        {
+        // Mute is on
+        isMuted = ETrue;
+        }
+    //   CSPLOGSTRING( CSPINT, "CSUplink::IsMuted" );
+    return isMuted;
+    }
+
+// ---------------------------------------------------------------------------
+// Set mic muted.
+// ---------------------------------------------------------------------------
+//
+void CSUplink::SetMuted()
+    {
+    if (iDevSound)
+        {
+        iDevSound->SetGain(KSetMuteToDevSound);
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// Set mic unmuted
+// ---------------------------------------------------------------------------
+//
+void CSUplink::SetUnmuted()
+    {
+    if (iDevSound)
+        {
+        iDevSound->SetGain(iDevSound->MaxGain());
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// Sets gain
+// ---------------------------------------------------------------------------
+//
+void CSUplink::SetGain(gint aGain)
+    {
+    if (iDevSound)
+        {
+        iDevSound->SetGain(aGain);
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// Gives volume
+// ---------------------------------------------------------------------------
+//
+gint CSUplink::Gain()
+    {
+    gint gain = 0;
+    if (iDevSound)
+        {
+        gain = iDevSound->Gain();
+        }
+    return gain;
+    }
+
+// ---------------------------------------------------------------------------
+// Gives max gain
+// ---------------------------------------------------------------------------
+//
+gint CSUplink::MaxGain()
+    {
+    gint gain = 0;
+    if (iDevSound)
+        {
+        gain = iDevSound->MaxGain();
+        }
+    return gain;
+    }
+
+// ---------------------------------------------------------------------------
+// From class MDevSoundObserver
+// Activation was successfull.
+// ---------------------------------------------------------------------------
+//
+void CSUplink::BufferToBeEmptied(CMMFBuffer* /*aBuffer*/)
+    {
+    //  CSPLOGSTRING( CSPINT, "CSUplink::BufferToBeEmptied" );
+
+    // We dont react to devsound messages unless we are activating.
+    if (IsActivationOngoing())
+        {
+        iActive = ETrue;
+        iActivationOngoing = EFalse;
+        iObserver.UplinkActivatedSuccessfully();
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// From class MDevSoundObserver
+// Activation feiled
+// ---------------------------------------------------------------------------
+//
+void CSUplink::RecordError(TInt aError)
+    {
+    //  CSPLOGSTRING( CSPINT, "CSUplink::RecordError" );
+
+    // We dont react to devsound messages unless we are activating.
+    if (IsActivationOngoing())
+        {
+        if (aError == KErrAccessDenied)
+            {
+            iActivationOngoing = EFalse;
+            iObserver.UplinkActivationFailed();
+            }
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// From class CSPDevSound
+// Tries to activate mic stream. Stream becomes active when BufferToBeFilled
+// gets called.
+// ---------------------------------------------------------------------------
+//
+void CSUplink::DoActivateL()
+    {
+    if (iDevSound)
+        {
+        iDevSound->RecordInitL();
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// Constructor
+// ---------------------------------------------------------------------------
+//
+CSUplink::CSUplink(MCSPDevSoundObserver& aObserver) :
+    CSPDevSound(aObserver)
+    {
+    }
+
+// ---------------------------------------------------------------------------
+// Second phase constructor
+// ---------------------------------------------------------------------------
+//
+void CSUplink::ConstructL()
+    {
+    CSPDevSound::ConstructL(EMMFStateRecording, KAudioPrefCSCallUplink,
+            KAudioPriorityCSCallUplink);
+    }
+
+//  End of File