Amazing news! Applied the patch to 5.6-rc6, works great. Thanks a lot,
Coiby Xu!
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https://bugs.launchpad.net/bugs/1887190
Title:
MSFT Touchpad not working on Lenovo Legion-5 15ARH05
I have Lenovo 15ARH05 with Ryzen 7 4800h and the same problem as in bug
description. In Fedora 32 with kernel 5.6.6-300 backlight control is fine, even
though actual_brightness changes from 514 to 65536. But there is another bug in
this kernel, so I updated to 5.8.4-200 and backlight control
