Brightness Issue on macOS Catalina Opencore

I was finally able to build hackintosh with open core. everything works perfectly but the only problem have is with brightness.I am not able to control my brightness. It always at 100% brightness.

I have tried everything and also tried installing Applebacklightfixup.ktext ,rehab man intel backlight and also ACPI backlight.

but none of it worked. Please help.

submitted by /u/mohdimaduddeen
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