Comment 21 for bug 1397021

It's in 4.2.0-rc1

Btw lenovo answered at :

https://forums.lenovo.com/t5/Linux-Discussion/How-to-report-bug-patches-and-fixes-on-lenovo-firmwares/td-p/2077106

I plan to report fireware test suite reports, unless ubuntu or linux community have already established a cooperation path.