For me, after suspend/resume the HDMI audio device is missing from Sound Settings and pavucontrol.
'pacmd list-cards' still shows the device. None of the workarounds work here. This on Ubuntu 18.04.2 LTS 18.04 kernel 5.2.0-rc6-19.06.26.amdgpu.ubuntu -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to pulseaudio in Ubuntu. https://bugs.launchpad.net/bugs/1718927 Title: No HDMI sound after suspend/resume Status in pulseaudio package in Ubuntu: Confirmed Bug description: When plugging in a HDMI TV to Lenovo Carbon 3rd Edition, sound works perfectly, but when I suspend computer and resume it there is no sound via HDMI in TV. However sound via built in speakers works fine. The only thing I can do to restore sound is to reboot the machine. Similar problem was discussed in following thread https://ubuntuforums.org/showthread.php?t=2251651 with no solution. I tested it on several versions of kernel 4.4.0 and on 4.4.8. Still no solution. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1718927/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
