I'm not really sure how to collect the info for the suspend but I managed to fix the problem by installing this driver (https://github.com/patjak/mba6x_bl) with the instructions on the readme
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1550905 Title: [MacBookAir7,1] Backlight control broken. Won't turn on after suspend. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1550905/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
