I managed to boot the kernel I had compiled with the above patch (but not based on 4.12.1 but on 4.8.0). I needed to change to legacy boot mode in BIOS to get it to boot.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1700657 Title: Touchpad not detected in Lenovo X1 Yoga / Yoga 720-15IKB To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1700657/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs