I have the same issue with my Lenovo Ideapad Duet 3i - Bug 1951692 https://bugs.launchpad.net/ubuntu/+source/linux-hwe-5.13/+bug/1951692
There are patches available upstream to fix this issue. https://patchwork.freedesktop.org/series/95127/ Freedesktop bug report https://gitlab.freedesktop.org/drm/intel/-/issues/3680 ** Bug watch added: gitlab.freedesktop.org/drm/intel/-/issues #3680 https://gitlab.freedesktop.org/drm/intel/-/issues/3680 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1950060 Title: Unable to adjust screen backlight brightness on Google Pixelbook Eve To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1950060/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
