820-01598: Keyboard Backlight missing

I have this board that came in due to no Touch Bar activity. Found knocked off L5110 which fix that issue. But now i noticed the keyboard backlight isn't working. The backlight is not even showing up as an option in the setting menu. Am i missing something here or does this board not support backlight?
U5730 and U5710 isn't present on this board either.

PP5V_G3S_KBD - 5.1v
 
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