koreader/koreader-base — pull request #32 by giorgio130 (2013-07-23 06:50:41+00:00)
Title: Kobo frontlight interface.

This code should be working, or at least compiles fine. There's still a printf in it for debugging purposes, I'll remove it as soon things are ironed out.
https://github.com/koreader/koreader/issues/169