I updated https://wiki.ubuntu.com/Hotkeys/Troubleshooting to use evtest, thanks for pointing out.
** Summary changed: - volume and brightness keys are mismapped on Samsung Chromebook + [keymap] volume and brightness keys on Samsung Chromebook -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1248808 Title: [keymap] volume and brightness keys on Samsung Chromebook To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1248808/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs