How can I enable brightness control in Linux Mint on a 3rd-gen CPU, similar to modifying 'FeatureTestControl' in Windows registry?

[Windows 10]

In Windows, I enable brightness control on my 3rd-gen CPU by modifying the registry at: HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Class\{4d36e968-e325-11ce-bfc1-08002be10318}\0000 changing 'FeatureTestControl' from f000 to f008. How can I achieve the same in Linux Mint?

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