OLED Screen Brightness on Fedora 33

By default Linux and OLED displays don’t really want to play well together. icc-brightness is a handy utility that resolves the problem, but all the instructions I found online were for Ubuntu/Debian based distributions.

https://github.com/udifuchs/icc-brightness

Fortunately, after a few failed attempts to compile the program I was able to figure out which dependency was required.

[admin@local icc-brightness]$ sudo make
cc -W -Wall  icc-brightness-gen.c -l lcms2  -o icc-brightness-gen 
icc-brightness-gen.c:9:10: fatal error: lcms2.h: No such file or directory
    9 | #include <lcms2.h>
      |          ^~~~~~~~~
compilation terminated.
make: *** [Makefile:10: icc-brightness-gen] Error 1
admin@local icc-brightness]$

We are missing the lcms2-devel package. Not sure if the utils package is required, but installed it anyway.

sudo dnf install lcms2-utils lcms2-devel

With that installed we can now make and install icc-brightness

sudo make install

Reboot the laptop and it should automatically start icc-brightness in the background and the brightness controls should work

You can find more information for installing on Debian based systems at the following link.

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