[Intel-gfx] Get brightness/gamma/contrast (currently IEGD user)

[Dirk De Becker]

Hi all,

I am currently using IEGD (the Intel Embedded Graphics Driver), but I 
would like to switch to the open driver supporting my 915GM device.
With iegd, I am able to regulate brightness, contrast and gamma by using 
iegd_esc_attr_t arrays.
Can someone give me a hint on how to do this with the open driver?

If my question is unclear, I can give some more code of what I am 
currently doing.

Thanks a lot in advance,

Dirk

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Dirk De Becker
Coordinator Digital Signage Software Development
Linux Software Engineer

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