I also have a Lenovo IdeaPad 5 15ARE05 with no touchpad working, but xinput list shows "GTCH7503:00 2A94:D64D" with no mention of Elan at all.
I also have a Lenovo IdeaPad 5 15ARE05 with no touchpad working, but xinput list shows "GTCH7503:00 2A94:D64D" with no mention of Elan at all.