Hello,
I'm using Pop OS, and I have also the same issue like here it was described.
marton@pop-os:/sys/class/backlight/amdgpu_bl0$ cat actual_brightness
60944
marton@pop-os:/sys/class/backlight/amdgpu_bl0$ cat brightness
255
marton@pop-os:/sys/class/backlight/amdgpu_bl0$ cat max_brightness
255
I'm using Lenovo Legion 5 15ARH05 model. I've heard from multiple users
has problems, that they can't modify their screen brightness.
>From under windows it worked.
** Also affects: linux
Importance: Undecided
Status: New
** Project changed: linux => pop-os
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https://bugs.launchpad.net/bugs/1861925
Title:
BrightnessOutofRange: Actual brightness for amdgpu_bl0 not in range
0..255
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