[coreboot-gerrit] Change in ...coreboot[master]: mb/lenovo/s230u: Rewrite trigger inversion ACPI code

[Martin Roth (Code Review)]

Martin Roth has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/32753 )

Change subject: mb/lenovo/s230u: Rewrite trigger inversion ACPI code
......................................................................

Patch Set 3:
> (1 comment)
>
> I find it rather weird to have the hardware invert the value of the
> gpio input, instead of relying on software to deal with it...

I'd have to go look at the datasheet, but I think this is just switching the level that it triggers on.  It reads the GPIO value and reverses the trigger accordingly.