SBF'd, and still no brightness control..

[Erock13]

My display brightness adjustment is not working at all.. No auto or slider adjustment, just 100% brightness.. It was working fine while i had .340, and when i installed rooted and deodexed .596 it still worked, but when i installed liberty is when it stopped working.. So i thought maybe it was a liberty issue, so I installed Apex.. Same thing, no control.. Wiped data and cache, reinstalled .596 and then tried it again on a fresh, non custom rom install, still nothing, so as a last resort, I just got done SBF'ing it back to .340.. And to my surprise, it still doesnt work.. So I have no idea at this point, and Ive yet to find anything similar on the internet, so if anyone has any ideas, shoot em, kinda sol at this point, i like to save battery through the day and while im using it at night next to the sleeping girlfriend, and i use my phone as my speedometer for my trucks broken one, and havin a bright screen is not fun to deal with at night on pitch black roads..