diff -Napru pulseaudio-12.2.orig/src/modules/alsa/alsa-ucm.c pulseaudio-12.2/src/modules/alsa/alsa-ucm.c
--- pulseaudio-12.2.orig/src/modules/alsa/alsa-ucm.c    2019-08-24 19:01:09.601962835 +0200
+++ pulseaudio-12.2/src/modules/alsa/alsa-ucm.c 2019-08-24 19:02:15.528628250 +0200
@@ -1904,6 +1904,8 @@ int pa_alsa_ucm_get_verb(snd_use_case_mg
     return -1;
 }

+void pa_alsa_ucm_device_update_available(pa_alsa_ucm_device *device) {}
+
 void pa_alsa_ucm_add_ports(
         pa_hashmap **hash,
         pa_proplist *proplist,