I have no idea if there's upstreaming, but the Chomium OS repo is open source so you could check. I don't know if that would help the wider Linux laptop commun

I have no idea if there's upstreaming, but the Chomium OS repo is open source so you could check. I don't know if that would help the wider Linux laptop community, because Chromebook OEMs can only select from a small list of CPU & chipset hardware combinations blessed by Google