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SubjectRe: [PATCH 1/3] backlight: Allow drivers to update the core, and generate events on changes
On Tue, Jul 14, 2009 at 02:53:26AM +0100, Matthew Garrett wrote:
> On Tue, Jul 14, 2009 at 08:58:48AM +0800, ykzhao wrote:
>
> > It will be better to send the event to user space only when the
> > brightness is updated successfully.
>
> That guarantees that we have to read back the brightness, which may be
> expensive on some hardware.

Oh, sorry, I see what you mean. I'll update that.

--
Matthew Garrett | mjg59@srcf.ucam.org


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