install debug.kext in l/e, reboot, press key down brightness and run in terminal, log show | grep -i acpidebug, after, press up key and run again, check what keys u need patch
i think is a video problem
check here
https://www.insanelymac.com/forum/topic/335018-intel-fb-patcher-v134/
Added in 31 minutes 45 seconds:
looks good, take a tests and let me know
ur bios have a native ec, but don't load
u can rename ec to ec0 and create new ec
Device (EC)
{
Name (_HID, "MALD0000") // _HID: Hardware ID
}
into device LPC