tree daad3ec84bee931bf4f7a58fcbf9e184975c4a27
parent 39f2e91e8bea7288ea487a79e1dc8732cf511b4f
author Isaac Dunham <ibid.ag@gmail.com> 1438445391 -0500
committer Rob Landley <rob@landley.net> 1438445391 -0500

'!' replaces '/' in the sysfs paths of older drivers, so properly
reverse that to get correct paths.
While we're here, reduce the duplication of initialization.

While this is enough for some drivers, it won't get 'input/' stuff
in the right folder.