Hi Greg,Please include commit 36904703aeee ("ACPI / bus: Parse tables as term_list for Dell XPS 9570 and Precision M5530")
for v4.14+.This can be backported to older versions, but this system won't function on v4.4 or v4.9.
It requires new drivers that don't exist in v4.4 or v4.9. Thanks! Kai-Heng