[Intel-gfx] BACKLIGHT property for KMS case
mhopf at suse.de
Tue Aug 18 02:37:17 PDT 2009
On Aug 18, 09 03:01:22 +0100, Matthew Garrett wrote:
> On Mon, Aug 17, 2009 at 05:52:28PM -0700, Jesse Barnes wrote:
> > The VBIOS handles it by making anything below the min brightness
> > equivalent to "lowest", which is probably fine. Scaling would work too
> > though. Also, the PWM write is wrong for a range of 0-255, so I need
> > some scaling anyway...
> The problem with having them all at "lowest" is that you'll get a bunch
> of "low" brightness levels in the UI that all result in the same
> brightness. It's not a technical issue but it looks kind of ugly, so I
> think we need to set the zero point to the lowest value and reduce
> max_brightness accordingly.
IMHO the sanest would be to define 1 to be the minimum brightness and 0
to switch the light off completely.
Another 2 cents
Matthias Hopf <mhopf at suse.de> __ __ __
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