Commit 76c2ff3e broke backlight on Chromebook snow

[Guillaume GARDET]

Hi,

Commit 76c2ff3e [0] broke backlight on Chromebook snow.
A revert on top of 2021.10 restores the backlight.
Not sure why it breaks on Chromebook snow yet. Dario, any idea how to fix this?

Cheers,
Guillaume