[Q] How to stop dim before power off? topic

Anyone know if it is possible to stop the screen dimming just before it powers off? after a few recent ROM flashes it flickers when dim.

Note: this is nothing to do with auto brightness / screen timeout / Airview / Hardware fault or any settings that I can find.

I appears to be a system default that cannot be changed.

I am hoping that something in Build.prop or whatever can be altered, to either remove the dim completely or have the dim not go as low.