@Steven Faust: Touchpad ELAN0001:00 04F3:3140 was visible in xinput with my modified kernel only. With default kernel this is not visible. Perform a click on the touchpad and look if there are errors in "dmesg" command. Is is possible that GTCH7503:00 2A94:D64D is the optional touchscreen?
@Steven Faust: Touchpad ELAN0001:00 04F3:3140 was visible in xinput with my modified kernel only. With default kernel this is not visible. Perform a click on the touchpad and look if there are errors in "dmesg" command. Is is possible that GTCH7503:00 2A94:D64D is the optional touchscreen?