linux-kernel - Re: [PATCH 2/4] lis3: remove automatic shutdown of the device

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Message-ID: <20090521113618.GF2637@elf.ucw.cz>
Date:	Thu, 21 May 2009 13:36:18 +0200
From:	Pavel Machek <pavel@....cz>
To:	Éric Piel <eric.piel@...mplin-utc.net>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/4] lis3: remove automatic shutdown of the device

Hi!

> After measurement on my laptop, it seems that turning off the device
> does not bring any energy saving (within 0.1W precision). So let's keep
> the device always on. It simplifies the code, and it avoids the problem
> of reading a wrong value sometimes just after turning the device on.

Well, 0.1W is still quite much for cellphone etc... but as we do not
have any such small users in the tree, I guess this can go in...

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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