change return type of AutomationControl::actually_set_value() from void to bool, to indicate if value was changed.

Don't call Session::set_dirty() when no change occurs

1 files changed, 3 insertions, 3 deletions

diff --git a/libs/ardour/record_enable_control.cc b/libs/ardour/record_enable_control.cc
index f3512c3204..c83c0d186d 100644
--- a/libs/ardour/record_enable_control.cc
+++ b/libs/ardour/record_enable_control.cc
@@ -45,15 +45,15 @@ RecordEnableControl::set_value (double val, Controllable::GroupControlDispositio
 	SlavableAutomationControl::set_value (val, gcd);
 }
 
-void
+bool
 RecordEnableControl::actually_set_value (double val, Controllable::GroupControlDisposition gcd)
 {
 	if (val && !_recordable.can_be_record_enabled()) {
 		std::cerr << "rec-enable not allowed\n";
-		return;
+		return false;
 	}
 
-	SlavableAutomationControl::actually_set_value (val, gcd);
+	return SlavableAutomationControl::actually_set_value (val, gcd);
 }
 
 void