[Intel-gfx] BACKLIGHT property for KMS case

Greg KH greg at kroah.com
Tue Aug 18 16:57:37 CEST 2009


On Tue, Aug 18, 2009 at 03:29:51AM +0100, Matthew Garrett wrote:
> On Mon, Aug 17, 2009 at 07:21:50PM -0700, Greg KH wrote:
> > > The generic backlight addon should cope fine - I've got 0-10 here, and 
> > > nouveau exposes something like 2^16 (gpm chooses a sensible number of 
> > > steps in that case). Are you running an ancient version of hal?
> > 
> > I didn't think I was, whatever is in Moblin 2.0 these days :)
> 
> Are they running some custom backlight control app that hardcodes it? 
> Limiting the maximum brightness is definitely the wrong thing to do 
> here - any userspace that's failing to cope is more broken than our 
> desktop code generally is.

I really don't know, I'll poke around today and try to figure it out.

thanks,

greg k-h



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