alsa-midi: add an option to disable longname/card number display

Signed-off-by: Dmitry Sharshakov <d3dx12.xx@gmail.com>

src/config/main.lua.d/50-alsa-config.lua

@@ -20,6 +20,9 @@ alsa_monitor.properties = {
   -- Enables monitoring of alsa MIDI devices
   ["alsa.midi.monitoring"] = true,
 
+  -- Removes longname from MIDI port names
+  --["alsa.disable-longname"] = true,
+
   -- These properties override node defaults when running in a virtual machine.
   -- The rules below still override those.
   ["vm.node.defaults"] = {

src/scripts/monitors/alsa-midi.lua

@@ -23,6 +23,9 @@ function CreateMidiNode ()
   local props = {}
   props["factory.name"] = "api.alsa.seq.bridge"
   props["node.name"] = "Midi-Bridge"
+  if config.properties["alsa.disable-longname"] then
+    props["api.alsa.disable-longname"] = true
+  end
 
   -- create the midi node
   local node = Node("spa-node-factory", props)