Robert Hooker has provided an additional patch which automatically switches off the i915.enable_backlight parameter (see comment #18) for the Dell XPS13.
The PPA kernel now includes both patches (as of the ~kamal1 version): https://launchpad.net/~kamalmostafa/+archive/i915-enable-backlight With the PPA kernel installed, backlight control should work properly on the Dell XPS13 without needing any special boot parameters. ** Patch removed: "i915-enable-backlight.patch" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/954661/+attachment/3073275/+files/i915-enable-backlight.patch -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/954661 Title: backlight brightness not adjustable by default on Dell XPS 13 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/954661/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
