Messages in this thread | | | Date | Wed, 15 Jul 2009 14:58:08 +0100 | From | Matthew Garrett <> | Subject | Re: [PATCH 1/3] backlight: Allow drivers to update the core, and generate events on changes |
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On Wed, Jul 15, 2009 at 10:11:29AM +0100, Richard Purdie wrote:
> So there are basically two values we're ever interested in at a given > point in time. The current ambient light reading and the corresponding > display luminance adjustment. Both of those could just be exposed as an > input device really?
The alternative would be hwmon, I guess.
> Agreed, userspace should be where policy is decided. Having a standalone > module which connected the two together with a "default" policy might be > acceptable too though? If userspace then wants to handle things it just > makes sure the module is not loaded.
You want smoothing even in a default policy, and doing that well might be a bit much for the kernel?
-- Matthew Garrett | mjg59@srcf.ucam.org
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