opencore doesn't reduce brighter when ac plugin

[oldman20]

As title, I booted with both Clover and OpenCore and realized when booted with OC, opencore doesn't reduce brighter when ac plugin like booted with Clover, how can solved this issue in OC?
Thank

 

[EliteMacx86]

As title, I booted with both Clover and OpenCore and realized when booted with OC, opencore doesn't reduce brighter when ac plugin like booted with Clover, how can solved this issue in OC?
Thank

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