Default How to get working LED notification and turnoff soft key lights

Hi
Please tell me about rom
I have lg optimus vu2 .
Someone ported lg optimus f260 4.4.2 kitkat rom to lg optimus vu2.
Everything working fine but some very few problems observed and informed to that developer.
But that developer unfortunately not responding.
Please someone tell me solution for these ported problems.
1.No LED notification blinking.
2.no option to on off soft key light
3.bottom screen lay out navigation one line visible
How to invisible it
4.automatic brightness not working.

Please give me some solution.
Otherwise everything good.

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