Kernel 5.2.8 works as expected; with kernels 5.2.9 and later (including 5.3.0 kernels from F31) the Elantech touchpad is totally unresponsive. If I plug in a USB mouse, it the mouse works, but still no response from the touchpad. Added my $0.02 worth to https://bugzilla.redhat.com/show_bug.cgi?id=1634832 but was wondering if anyone else had seen this