[maemo-users] brightness Re: [maemo-users] Re: Storage/Sleep Issues..

From: Igor Stoppa igor.stoppa at nokia.com
Date: Wed Jan 24 16:47:04 EET 2007
On Wed, 2007-01-24 at 14:35 +0100, ext Frantisek Dufka wrote:
> Igor Stoppa wrote:
> > No, the power management _is_ open source, since it's basically all in
> > the kernel. What is not included in the kernel is just the
> > inactivity_timeout_expired => blank screen
> > action, and nothing else.
> This is not strictly related but I consider brightness control as a 
> power management too and this is also handled by closed parts and cannot 
> be easily avoided.
> See also https://maemo.org/bugzilla/show_bug.cgi?id=375 - 1 year 
> anniversary few days ago :-)
> I wish dsme would not insist on fixing brigtness every few seconds for 
> me. Just tried to include it in bootmenu to reduce power requirements 
> while the device boots (it is set on max for many seconds) or when 
> sitting in the menu, but even so early in the boot dsme maxes it out for 
> me few seconds later.
> Yes there is hacked kernel for this so it is possible to avoid but I 
> wish this was not needed.
> Also I would suggest to select different value than maximum when system 
> boots for better power saving.
Power saving is not so important when the _energy_ wasted is so little
and for an event which is supposed to happen very seldom (you don't turn
off your device, don't you?).
Cheers, Igor

Igor Stoppa <igor.stoppa at nokia.com>
(Nokia M - OSSO /Helsinki Finland)

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