Comment 25 for bug 1806532

Hui Wang ( wrote :

enable the bionic-proposed repository
sudo apt-get update
sudo apt install linux-image-unsigned-4.15.0-44-generic
sudo apt install linux-modules-4.15.0-44-generic
sudo apt install linux-modules-extra-4.15.0-44-generic
sudo apt install libasound2 (updated to 1.1.3-5ubuntu0.2)

Then reboot and plug the dock to a Dell laptop through TB bus, open the gnome-control-center and select the sound, we can see the USB headphone and USB Lineout from output device tab and USB Mic from input device tab. And both USB output and input work well.

Then change verification-needed-bionic to verification-done-bionic