Index: /trunk/libffado/support/mixer-qt4/ffado/widgets/matrixmixer.py
===================================================================
--- /trunk/libffado/support/mixer-qt4/ffado/widgets/matrixmixer.py (revision 1666)
+++ /trunk/libffado/support/mixer-qt4/ffado/widgets/matrixmixer.py (revision 1668)
@@ -21,4 +21,7 @@
 from PyQt4 import QtGui, QtCore, Qt
 import dbus
+
+import logging
+log = logging.getLogger("matrixmixer")
 
 class MixerNode(QtGui.QFrame):
@@ -181,6 +184,7 @@
         self.setPalette(palette)
 
-        rows = self.interface.getRowCount()
-        cols = self.interface.getColCount()
+        rows = self.interface.getColCount()
+        cols = self.interface.getRowCount()
+        log.debug("Mixer has %i rows and %i columns" % (rows, cols))
 
         layout = QtGui.QGridLayout(self)
@@ -270,5 +274,5 @@
 
     def valueChanged(self, n):
-        #print "MatrixNode.valueChanged( %s )" % str(n)
+        log.debug("MatrixNode.valueChanged( %s )" % str(n))
         for tmp in n:
             self.interface.setValue(tmp[1], tmp[0], tmp[2])
Index: /trunk/libffado/support/mixer-qt4/ffado/widgets/crossbarrouter.py
===================================================================
--- /trunk/libffado/support/mixer-qt4/ffado/widgets/crossbarrouter.py (revision 1656)
+++ /trunk/libffado/support/mixer-qt4/ffado/widgets/crossbarrouter.py (revision 1668)
@@ -21,4 +21,7 @@
 from PyQt4 import QtGui, QtCore
 import dbus
+
+import logging
+log = logging.getLogger("crossbarrouter")
 
 class VuMeter(QtGui.QFrame):
@@ -39,5 +42,5 @@
 
     def setInput(self, input):
-        #print "VuMeter.setInput() %i->%i" % (self.output, input)
+        #log.debug("VuMeter.setInput() %i->%i" % (self.output, input))
         self.input = input
 
@@ -91,8 +94,14 @@
                 self.ingroups[tmp] = 0
             self.ingroups[tmp] += 1
-        #print "Detected ingroups: %s" % str(self.ingroups)
+        #log.debug("Detected ingroups: %s" % str(self.ingroups))
 
         self.menu = QtGui.QMenu(self)
         self.btn.setMenu(self.menu)
+
+        action = QtGui.QAction("Disconnect", self)
+        action.setCheckable(True)
+        self.connect(action, QtCore.SIGNAL("toggled(bool)"), self.disconnectRoute)
+        self.exclusiveGroup.addAction(action)
+        self.menu.addAction(action)
 
         for group in self.ingroups:
@@ -103,4 +112,14 @@
         self.vu.updateLevel(value)
 
+    def disconnectRoute(self, checked):
+        log.debug("disconnectRoute( %s ) sender: %s" % (str(checked),str(self.sender())))
+        dest = self.interface.getDestinationIndex(self.outname)
+        src = self.interface.getSourceName( self.interface.getSourceForDestination( dest ) )
+        #log.debug(" source=%s destination=%s  possible? %s" % (src, self.outname, self.interface.canConnectNamed(src, self.outname)))
+        if not self.interface.setConnectionStateNamed(src, self.outname, False):
+            log.debug(" Changing the connection table was successfull.")
+        else:
+            log.warning(" Failed to change the connection table!")
+        self.peakValue(0)
 
 class InGroupMenu(QtGui.QMenu):
@@ -121,5 +140,5 @@
     def showMenu(self):
         #print "About to show the menu"
-        if len(self.actions()) < self.insize:
+        if len(self.actions()) < self.insize+1:
             # Do a lazy init of the sub-items.
             for i in range(self.insize):
@@ -140,8 +159,9 @@
     def connectionSwitched(self, checked):
         if self.lock: return
-        print "connectionSwitched( %s ) sender: %s" % (str(checked),str(self.sender()))
+        #log.debug("connectionSwitched( %s ) sender: %s" % (str(checked),str(self.sender())))
         inname = str(self.sender().text())
-        print " source=%s destination=%s  possible? %s" % (inname, self.outname, self.interface.canConnectNamed(inname, self.outname))
-        print " connectionState is now %s" % self.interface.setConnectionStateNamed(inname, self.outname, checked)
+        #log.debug(" source=%s destination=%s  possible? %s" % (inname, self.outname, self.interface.canConnectNamed(inname, self.outname)))
+        if not self.interface.setConnectionStateNamed(inname, self.outname, checked):
+            log.warning(" Failed to change the routing.")
 
 
@@ -153,5 +173,5 @@
         self.interface = dbus.Interface(self.dev, dbus_interface="org.ffado.Control.Element.CrossbarRouter")
 
-        print self.interface.getDestinations()
+        log.info(self.interface.getDestinations())
 
         destinations = self.interface.getDestinationNames()
Index: /trunk/libffado/support/mixer-qt4/ffado-mixer.in
===================================================================
--- /trunk/libffado/support/mixer-qt4/ffado-mixer.in (revision 1648)
+++ /trunk/libffado/support/mixer-qt4/ffado-mixer.in (revision 1668)
@@ -150,4 +150,5 @@
         debug_level = logging.INFO
 
+    # main loggers:
     logging.getLogger('main').setLevel(debug_level)
     logging.getLogger('dbus').setLevel(debug_level)
@@ -156,6 +157,9 @@
     logging.getLogger('configparser').setLevel(logging.INFO)
 
-    logging.getLogger('global').setLevel(debug_level)
+    # widgets:
+    logging.getLogger('matrixmixer').setLevel(debug_level)
+    logging.getLogger('crossbarrouter').setLevel(debug_level)
 
+    # mixers:
     logging.getLogger('audiofire').setLevel(debug_level)
     logging.getLogger('bridgeco').setLevel(debug_level)
@@ -170,4 +174,6 @@
     logging.getLogger('saffire').setLevel(debug_level)
     logging.getLogger('saffirepro').setLevel(debug_level)
+
+    logging.getLogger('global').setLevel(debug_level)
 
     log = logging.getLogger('main')