+
+void
+VCA::clear_all_solo_state ()
+{
+ _solo_control->clear_all_solo_state ();
+}
+
+MonitorState
+VCA::monitoring_state () const
+{
+ /* XXX this has to get more complex but not clear how */
+ return MonitoringInput;
+}
+
+bool
+VCA::slaved () const
+{
+ if (!_gain_control) {
+ return false;
+ }
+ /* just test one particular control, not all of them */
+ return _gain_control->slaved ();
+}
+
+bool
+VCA::slaved_to (boost::shared_ptr<VCA> vca) const
+{
+ if (!vca || !_gain_control) {
+ return false;
+ }
+
+ /* just test one particular control, not all of them */
+
+ return _gain_control->slaved_to (vca->gain_control());
+}