@vicamo: Sorry for delay. I've tested / now running the kernel from the PPA on my Acer Chromebook R11 and can confirm touch screen is still working.
timo@timo-Cyan:~$ uname -a Linux timo-Cyan 5.4.0-42-generic #46+lp1881319-Ubuntu SMP Tue Jul 14 06:40:05 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1630238 Title: [regression 4.8.0-14 -> 4.8.0-17] keyboard and touchscreen lost on Acer Chromebook R11 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1630238/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs