def update(self):
[card_index, control_name, cid] = self.get_config_params()
MixerHandler.disconnect(self.mixer_handle)
MixerControlFrame.update(self, card_index, control_name, cid)
self.frame.set_shadow_type(gtk.SHADOW_OUT)
self.mixer_handle = MixerHandler.connect(self.on_change)
