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[Guide] Backlight + Brightness for Intel 8086:0046 (1st gen HD) (GMA 5700MHD)

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i'm noob at mac 


i don't know how to patch this into DSDT so please if you can tell me how to do it 


here is the needed BAR 0xC0000004


and i can't get exactly the LCD Device name from DSDT i think it's LCD1 or DMAC 

i don't know how to find it 

attached below my DSDT Extracted from DSDT Editor 


and tell me the next step 

thanks a lot 

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Hi all, need help 

I have same problem, the brightness slider is show in my Preference Panel. But when I slide got nothing the brightness not going down or up also with Fn keys. 

here my evidence :

my magic numbers 


Original DSDT 


Patch DSDT



Thx before :)

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