I also tested kernel 5.4.0-38, 5.3.0-59 and 4.15.0-106 without success.
I confirm that the touchpad on our Lenovo ThinkBook 15 IIL does not work. And it is not listed by "xinput" either. I tried many suggestions with BIOS settings, kernel parameters and reloading modules.
Like Brian (comment #11) I think the driver for this Elantech touchpad has a whitelist where model "ELAN0634" is simply missing.
I also tested kernel 5.4.0-38, 5.3.0-59 and 4.15.0-106 without success.
I confirm that the touchpad on our Lenovo ThinkBook 15 IIL does not work. And it is not listed by "xinput" either. I tried many suggestions with BIOS settings, kernel parameters and reloading modules.
Like Brian (comment #11) I think the driver for this Elantech touchpad has a whitelist where model "ELAN0634" is simply missing.