Macbook 9,2 i7 OCLP Sequoia 15.1 Brightness not working

Hi, the brightness keys do not work on my Macbook 9,2. I did a clean install.

Anyone who can help or has the same issue?

https://preview.redd.it/nl0sk5xdbjzd1.png?width=256&format=png&auto=webp&s=1b30c7694180895fe85265e1ffc273488f9c9863