Touchpad issue and brightness is different. Touchpad is working with kernel 5.11. A solution for brightness issue is here: https://gitlab.freedesktop.org/drm/amd/-/issues/1438 but I don't think it is in the kernel yet.
** Bug watch added: gitlab.freedesktop.org/drm/amd/-/issues #1438 https://gitlab.freedesktop.org/drm/amd/-/issues/1438 -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-input-libinput in Ubuntu. https://bugs.launchpad.net/bugs/1887190 Title: MSFT Touchpad not working on Lenovo Legion-5 15ARH05 To manage notifications about this bug go to: https://bugs.launchpad.net/pop-os/+bug/1887190/+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