ofw syscons brightness patch

[Justin Hibbits]

On Sep 21, 2011, at 11:25 PM, Peter Grehan wrote:

> Hi Justin,
>
>> Attached is a patch that adds brightness control to ofw syscons
>> (dev.sc.0.brightness sysctl). Pretty simple. Comments and tests
>> requested. Hopefully the listserv doesn't eat the patch.
>
> Is it possible to have the value in the sysctl be 0-100, or 0-10 ?  
> It might be a bit confusing for the user to have to know that the  
> range is 0x34-0xff, and have the sysctl code clamp to these.
>
> Are the MIN_BRIGHTNESS/MAX_BRIGHTNESS values the same for all models ?
>
> later,
>
> Peter.


Patch take 2 - Range is 0-12.  Not sure how to present this to the  
user.  Anything above 12 is capped at 12.

- Justin
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