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Backlight Control using 82852/82855 chipset

novice28
Beginner
‎08-22-2008 02:13 AM
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Hi,

How can we access the chipset's backlight control or is there a way to access it? I am currently using intel chipset 82852/82855 GM graphics adapter with a digital flat panel (TFT) and i'm running on windows XP embedded. I've tried a couple of approches in trying to control the backlight. IOCTL's for brightness control does not respond also i've tried to use Display Tuner wherein it uses DDC/CI protocol so that i might be able to use this protocol but it doesn't work.

Sorry if this might be a dumb question, actually i'm just a newbee... i hope someone can answer this.

I really need your help guys...

Thanks a lot...
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