OSC: Messages too fast at bank_change/refresh slowed down.

libs/surfaces/osc/osc.cc

@@ -1868,7 +1868,7 @@ OSC::_set_bank (uint32_t bank_start, lo_address addr)
 				}
 			}
 			// slow devices need time to clear buffers
-			usleep ((uint32_t) 10);
+			usleep ((uint32_t) 20);
 		}
 	}
 	// light bankup or bankdown buttons if it is possible to bank in that direction

libs/surfaces/osc/osc_route_observer.cc

@@ -389,6 +389,7 @@ OSCRouteObserver::gain_automation (string path)
 	}
 
 	boost::shared_ptr<GainControl> control = _strip->gain_control();
+	send_gain_message (path, control);
 	as = control->alist()->automation_state();
 	string auto_name;
 	float output;
@@ -413,7 +414,6 @@ OSCRouteObserver::gain_automation (string path)
 			break;
 	}
 
-	send_gain_message (path, control);
 	lo_message_add_float (msg, output);
 	lo_send_message (addr, apath.c_str(), msg);
 	lo_message_free (msg);