GenericUI: remove duplicate connection to signal

Now that there isn't an early return anymore for Dropdowns, the common
path takes care of connecting the display update code to the correct
signal.

diff --git a/gtk2_ardour/generic_pluginui.cc b/gtk2_ardour/generic_pluginui.cc
index 0b85beffca288cf0e10dce1e3254d6a05b53a8cf..ddaba074ce21e7dda13e153d380e9d078e1ef3de 100644 (file)
--- a/gtk2_ardour/generic_pluginui.cc
+++ b/gtk2_ardour/generic_pluginui.cc
@@ -723,10 +723,6 @@ GenericPluginUI::build_control_ui (const Evoral::Parameter&             param,
                                                           i->second)));
                        }
 
-                       mcontrol->Changed.connect(control_connections, invalidator(*this),
-                                                 boost::bind(&GenericPluginUI::ui_parameter_changed,
-                                                             this, control_ui),
-                                                 gui_context());
 
                        if (use_knob) {
                                control_ui->knobtable = manage (new Table());
@@ -925,7 +921,10 @@ GenericPluginUI::build_control_ui (const Evoral::Parameter&             param,
        }
 
        if (mcontrol) {
-               mcontrol->Changed.connect (control_connections, invalidator (*this), boost::bind (&GenericPluginUI::ui_parameter_changed, this, control_ui), gui_context());
+               mcontrol->Changed.connect(control_connections, invalidator(*this),
+                                         boost::bind(&GenericPluginUI::ui_parameter_changed,
+                                                     this, control_ui),
+                                         gui_context());
        }
 
        return control_ui;