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SubjectRe: [gpm] [PATCH 2.6.29] eeepc-laptop: report brightness control events via the input layer
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On Mon, Jun 15, 2009 at 9:09 AM, Alan
Jenkins<alan-jenkins@tuffmail.co.uk> wrote:
> So during step iii) I think you see the firmware
> increase the brightness, then g-p-m decrease the brightness, and then
> g-p-m catches up and the brightness increases again.

Sorry for not responding sooner, been moving house.

I don't think the kernel driver should modify the brightness itself,
as that's applying policy. Is this is left to userspace then we can
put on policy such as "don't allow brightness to be set below 30%" or
"automatically set the brightness using a ambient light sensor, and
use the brightness keys to set ambient thresholds".

Doing this policy in the driver is the wrong thing to do IMO.

Richard.


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