Fix well-known send API for mixbusses.

diff --git a/libs/ardour/route.cc b/libs/ardour/route.cc
index 9bd5c49cea04fa10eeec6fd8c328296aea0f4bb6..acd5149e3bd0a19bb2273c0c7a4311aabd7131f9 100644 (file)
--- a/libs/ardour/route.cc
+++ b/libs/ardour/route.cc
@@ -5342,7 +5342,7 @@ Route::send_level_controllable (uint32_t n) const
 # undef MIXBUS_PORTS_H
 # include "../../gtk2_ardour/mixbus_ports.h"
        boost::shared_ptr<ARDOUR::PluginInsert> plug = ch_post();
-       if (plug) {
+       if (plug && !mixbus()) {
                uint32_t port_id = 0;
                switch (n) {
                        case  0: port_id = port_channel_post_aux1_level; break;