$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 19.10
Release: 19.10
Codename: eoan
$ uname -a
Linux zen 5.3.0-18-generic #19-Ubuntu SMP Tue Oct 8 20:14:06 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
acpi_listen doesn't see any event when the touchpad virtual button is pressed. Nor xev.
Same here, on Ubuntu 19.10 with kernel 5.3.0
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 19.10
Release: 19.10
Codename: eoan
$ uname -a
Linux zen 5.3.0-18-generic #19-Ubuntu SMP Tue Oct 8 20:14:06 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
acpi_listen doesn't see any event when the touchpad virtual button is pressed. Nor xev.