On Thu, 19 May 2016 18:53:17 -0400, Valdis.Kletnieks@vt.edu said:

> > > next-20160512 sets the screen brightness to about 40%-ish or so, rather
> > > than the 100% intensity I want.

> Put this one in the "things that go bump in the night" pile - the problem
> doesn't manifest on next-20160519, even though the commit I bisected to
> is in the tree for today, and I don't see any obvious smoking guns to
> have fixed it in the past week's worth of 'git log'....

Actually, put it in "things that go bump in the night but need a stake driven
through them"- it looks like I booted the wrong kernel while testing, and in
fact next-20160519 *is* still broken.  However, after:

git revert -n e4f35c1339f0cfcf38d3f63dd6fea2b070399263
git revert -n 059500940defe285222d3b189b366dfe7f299cae

Things work again.