Regression: Dell XPS 13 9360 keyboard no longer works

[Jeremy Cline]

Hey folks,

Commit 30323fb6d552c41997baca5292bf7001366cab57 (Support tablet mode
switch) causes the keyboard on my XPS 13 to stop working. This
particular model has a touch screen (which I've disabled in the BIOS),
but isn't a 2-in-1 with a tablet mode. My guess is it's being put in
tablet mode and that's disabling the keyboard? In any case, I'm happy
to test fixes and provide any necessary information.

Regards,
Jeremy