similar with dall precision m4600 ubuntu 14.04, kernel 4.2.0. keyboard backlight is turned on when power state changing (plug in, unplug, turn on). it started after i upgrade kernel to version 4.2.0. earlier i was using kernel 3.x (don't remember the exact version) and there was no problem with keyboard backlight
similar with dall precision m4600 ubuntu 14.04, kernel 4.2.0. keyboard backlight is turned on when power state changing (plug in, unplug, turn on). it started after i upgrade kernel to version 4.2.0. earlier i was using kernel 3.x (don't remember the exact version) and there was no problem with keyboard backlight