From: Pavel Machek <pavel@ucw.cz>
To: "Éric Piel" <eric.piel@tremplin-utc.net>
Cc: Andrew Morton <akpm@linux-foundation.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 2/4] lis3: remove automatic shutdown of the device
Date: Thu, 21 May 2009 13:36:18 +0200 [thread overview]
Message-ID: <20090521113618.GF2637@elf.ucw.cz> (raw)
In-Reply-To: <4A151F52.3050908@tremplin-utc.net>
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
next prev parent reply other threads:[~2009-05-21 11:36 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-21 9:27 [PATCH 0/4] lis3: clean up and updates Éric Piel
2009-05-21 9:29 ` [PATCH 1/4] lis3: fix misc device unregistering and printk Éric Piel
2009-05-21 10:48 ` Pavel Machek
2009-05-21 9:30 ` [PATCH 2/4] lis3: remove automatic shutdown of the device Éric Piel
2009-05-21 11:36 ` Pavel Machek [this message]
2009-05-21 11:55 ` Éric Piel
2009-05-21 12:08 ` Pavel Machek
2009-05-21 9:31 ` [PATCH 3/4] lis3: use input_polled_device Éric Piel
2009-05-21 9:33 ` [PATCH 4/4] lis3: Add three new laptop models Éric Piel
2009-05-21 10:49 ` Pavel Machek
2009-05-21 11:07 ` Éric Piel
2009-05-21 11:36 ` Isaac702
[not found] ` <36a8c4f10905210424i65f5efadjdd6f13dea77cb2e6@mail.gmail.com>
2009-05-21 11:38 ` Éric Piel
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20090521113618.GF2637@elf.ucw.cz \
--to=pavel@ucw.cz \
--cc=akpm@linux-foundation.org \
--cc=eric.piel@tremplin-utc.net \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox