Index: /trunk/libffado/src/dice/dice_avdevice.h
===================================================================
--- /trunk/libffado/src/dice/dice_avdevice.h (revision 1651)
+++ /trunk/libffado/src/dice/dice_avdevice.h (revision 1655)
@@ -311,4 +311,7 @@
             virtual NameVector getDestinationNames();
 
+            virtual Control::CrossbarRouter::Groups getSources();
+            virtual Control::CrossbarRouter::Groups getDestinations();
+
             virtual IntVector getDestinationsForSource(const int);
             virtual int getSourceForDestination(const int);
Index: /trunk/libffado/src/dice/dice_eap.cpp
===================================================================
--- /trunk/libffado/src/dice/dice_eap.cpp (revision 1653)
+++ /trunk/libffado/src/dice/dice_eap.cpp (revision 1655)
@@ -1229,4 +1229,18 @@
 }
 
+Control::CrossbarRouter::Groups
+Device::EAP::Router::getSources()
+{
+    debugError("Device::EAP::Router::getSources() is not yet implemented!");
+    return Control::CrossbarRouter::Groups();
+}
+
+Control::CrossbarRouter::Groups
+Device::EAP::Router::getDestinations()
+{
+    debugError("Device::EAP::Router::getDestinations() is not yet implemented!");
+    return Control::CrossbarRouter::Groups();
+}
+
 Control::CrossbarRouter::IntVector
 Device::EAP::Router::getDestinationsForSource(const int srcid)
Index: /trunk/libffado/src/libcontrol/CrossbarRouter.h
===================================================================
--- /trunk/libffado/src/libcontrol/CrossbarRouter.h (revision 1653)
+++ /trunk/libffado/src/libcontrol/CrossbarRouter.h (revision 1655)
@@ -59,4 +59,11 @@
     typedef std::vector<PeakValue> PeakValues;
 
+    struct Group
+    {
+        std::string name;
+        int nbchannels;
+    };
+    typedef std::vector<Group> Groups;
+
     virtual std::string getSourceName(const int) = 0;
     virtual std::string getDestinationName(const int) = 0;
@@ -66,4 +73,7 @@
     virtual NameVector getSourceNames() = 0;
     virtual NameVector getDestinationNames() = 0;
+
+    virtual Groups getSources() = 0;
+    virtual Groups getDestinations() = 0;
 
     virtual IntVector getDestinationsForSource(const int) = 0;
Index: /trunk/libffado/support/dbus/controlserver.cpp
===================================================================
--- /trunk/libffado/support/dbus/controlserver.cpp (revision 1652)
+++ /trunk/libffado/support/dbus/controlserver.cpp (revision 1655)
@@ -865,4 +865,16 @@
 }
 
+std::vector< DBus::Struct<DBus::String, int> >
+CrossbarRouter::getSources()
+{
+    return std::vector< DBus::Struct<DBus::String, int> >();
+}
+
+std::vector< DBus::Struct<DBus::String, int> >
+CrossbarRouter::getDestinations()
+{
+    return std::vector< DBus::Struct<DBus::String, int> >();
+}
+
 std::vector< DBus::Int32 >
 CrossbarRouter::getDestinationsForSource(const DBus::Int32 &idx)
Index: /trunk/libffado/support/dbus/control-interface.xml
===================================================================
--- /trunk/libffado/support/dbus/control-interface.xml (revision 1652)
+++ /trunk/libffado/support/dbus/control-interface.xml (revision 1655)
@@ -224,4 +224,10 @@
       <method name="getSourceNames">
           <arg type="as" name="sourcenames" direction="out"/>
+      </method>
+      <method name="getSources">
+          <arg type="a(si)" name="sources" direction="out"/>
+      </method>
+      <method name="getDestinations">
+          <arg type="a(si)" name="sources" direction="out"/>
       </method>
       <method name="getDestinationNames">
Index: /trunk/libffado/support/dbus/controlserver.h
===================================================================
--- /trunk/libffado/support/dbus/controlserver.h (revision 1652)
+++ /trunk/libffado/support/dbus/controlserver.h (revision 1655)
@@ -336,4 +336,7 @@
     std::vector< DBus::String > getDestinationNames();
 
+    std::vector< DBus::Struct<DBus::String, int> > getSources();
+    std::vector< DBus::Struct<DBus::String, int> > getDestinations();
+
     std::vector< DBus::Int32 > getDestinationsForSource(const DBus::Int32 &);
     DBus::Int32 getSourceForDestination(const DBus::Int32 &);