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SubjectRe: [PATCH 1/3] backlight: Allow drivers to update the core, and generate events on changes
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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