Messages in this thread | | | Date | Tue, 14 Jul 2009 16:48:03 +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 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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