Messages in this thread | | | Date | Thu, 11 Feb 2010 20:44:41 +0000 | From | Matthew Garrett <> | Subject | Re: Brightness control for MacBook Pro - Nvidia 9400 |
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On Thu, Feb 11, 2010 at 09:38:45PM +0100, Soeren Sonnenburg wrote: > Dear all, > > I am booting a MacBookPro5,3 using elilo and efifb. Now I'd like to use > pommed to control display brightness (which won't work). Digging around > in mbp_nvidia_bl.c I figured out that tries to control the geforce 9600M > instead of the currently active geforece 9400m
So, first of all, use nouveau instead. But moving on...
> 02:00.0 VGA compatible controller: nVidia Corporation G96 [GeForce 9600M GT] (rev a1) > 03:00.0 VGA compatible controller: nVidia Corporation C79 [GeForce 9400M] (rev b1) > > Does anyone have an idea which bytes to tweak to change brightness > levels for the 9400? Seems like 0x52f does not work - at least > setpci -s 03:00.0 0x52f.B=10 fails...
Those are mmio registers, not PCI config ones. You won't be able to change them with setpci.
-- Matthew Garrett | mjg59@srcf.ucam.org
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