Default need help to add Smart Backlight, Smart Call to Xperia TX

Hi all

the title say it all, i took necessary file from LT29i_Rockers_X_ROM_v1.0 then copy to system, Smart backlight control show in Display setting, i can active it but seem it not work cause when i view picture the screen still off after a mount of time. please help

all credit to @ibanez7
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