Comment 43 for bug 1290418

(In reply to samoht0 from comment #22)
> Would you mind to submit the "Test patch v2" with Signed-off-by included?

I can't take credit for it either. It is a subset of a patch originally posted by Alex Hung:

http://permalink.gmane.org/gmane.linux.drivers.platform.x86.devel/5205

(The rest of his patch has either already been applied, or it is no longer relevant due to other changes.)