D4836: Indicate that a port is unavailable

[David Rosca]

drosca edited the summary of this revision.

REPOSITORY
  R115 Plasma Audio Volume Applet

REVISION DETAIL
  https://phabricator.kde.org/D4836

To: drosca, #plasma
Cc: broulik, plasma-devel, progwolff, lesliezhai, ali-mohamed, jensreuterberg, 
abetts, sebas, apol