Comment 34 for bug 1609750

And copy-pasting here (from https://plus.google.com/u/0/+TimoJyrinki/posts/R1AqYCSPru8 ):

"SeaBIOS doesn't do hardware initialisation, that's down to coreboot, so no, I can't. Obviously, the sound hardware works under the ChromeOS kernel so I would guess they need to figure out what the ChromeOS kernel is doing that upstream isn't."