The thread at Brightness control not working - #13 by arifcelik has been closed so I wasn’t able to leave a reply there to let readers know that the solution posted there from July 2021 also worked today for me, with my IdeaPad Gaming 3 (15”) running Fedora 35.
Previous solution for brightness control on Lenovo IdeaPad Gaming 3 laptop worked for me on Fedora 35
If you look at that thread again you can see that your reference here also put a link there, as it should. Your update is appreciated and readers there can see this thread as well.
Just to confirm, you’re saying what I did here making a new thread was the right thing to do, right? I couldn’t figure out a way to chime in on the old thread to say it worked on Fedora 35 too.