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-rw-r--r--libs/ardour/amp.cc2
-rw-r--r--libs/ardour/automatable.cc2
-rw-r--r--libs/ardour/panner.cc2
-rw-r--r--libs/ardour/send.cc2
4 files changed, 4 insertions, 4 deletions
diff --git a/libs/ardour/amp.cc b/libs/ardour/amp.cc
index 42b8d084cf..a1ffad8e05 100644
--- a/libs/ardour/amp.cc
+++ b/libs/ardour/amp.cc
@@ -405,7 +405,7 @@ Amp::visible() const
}
std::string
-Amp::value_as_string (boost::shared_ptr<AutomationControl> ac) const
+Amp::value_as_string (boost::shared_ptr<const AutomationControl> ac) const
{
if (ac == _gain_control) {
char buffer[32];
diff --git a/libs/ardour/automatable.cc b/libs/ardour/automatable.cc
index 1ff80057ae..e108676fa7 100644
--- a/libs/ardour/automatable.cc
+++ b/libs/ardour/automatable.cc
@@ -519,7 +519,7 @@ Automatable::clear_controls ()
}
string
-Automatable::value_as_string (boost::shared_ptr<AutomationControl> ac) const
+Automatable::value_as_string (boost::shared_ptr<const AutomationControl> ac) const
{
return ARDOUR::value_as_string(ac->desc(), ac->get_value());
}
diff --git a/libs/ardour/panner.cc b/libs/ardour/panner.cc
index c88fbe44f4..d132850af0 100644
--- a/libs/ardour/panner.cc
+++ b/libs/ardour/panner.cc
@@ -109,7 +109,7 @@ Panner::describe_parameter (Evoral::Parameter p)
}
string
-Panner::value_as_string (boost::shared_ptr<AutomationControl> ac) const
+Panner::value_as_string (boost::shared_ptr<const AutomationControl> ac) const
{
return _pannable->value_as_string (ac);
}
diff --git a/libs/ardour/send.cc b/libs/ardour/send.cc
index f1cfdc7ef3..8f7afc7c8f 100644
--- a/libs/ardour/send.cc
+++ b/libs/ardour/send.cc
@@ -409,7 +409,7 @@ Send::display_to_user () const
}
string
-Send::value_as_string (boost::shared_ptr<AutomationControl> ac) const
+Send::value_as_string (boost::shared_ptr<const AutomationControl> ac) const
{
return _amp->value_as_string (ac);
}