source-output: Don't set the channel map for the SO if we do not support SO volumes.

The setting of the channel map triggers the display of the actual volume sliders
so it is essential that we do not set it when we don't want to.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/mainwindow.cc b/src/mainwindow.cc
index 1ae0fb0..7e49e36 100644
--- a/src/mainwindow.cc
+++ b/src/mainwindow.cc
@@ -606,7 +606,9 @@ void MainWindow::updateSourceOutput(const pa_source_output_info &info) {
         w = sourceOutputWidgets[info.index];
     else {
         sourceOutputWidgets[info.index] = w = SourceOutputWidget::create(this);
+#if HAVE_SOURCE_OUTPUT_VOLUMES
         w->setChannelMap(info.channel_map, true);
+#endif
         recsVBox->pack_start(*w, false, false, 0);
         w->index = info.index;
         w->clientIndex = info.client;