From: Pavel Machek <pavel@ucw.cz>
To: Andy Lutomirski <luto@myrealbox.com>
Cc: Mohamed Ikbel Boulabiar <boulabiar@gmail.com>,
linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: Low-Level and Long-Term Battery Control
Date: Tue, 20 Apr 2010 15:37:24 +0200 [thread overview]
Message-ID: <20100420133724.GD8670@ucw.cz> (raw)
In-Reply-To: <4BCBDCA1.9030500@myrealbox.com>
Hi!
> >Is there any function in the Linux kernel that control the
> >charging/discharging of the battery to provide better lifespan ?
> >(add some years to its life ?)
> >
> >For Laptops, it is better to extract the battery from the Laptop when
> >the computer will be on power for a long period.
> >I ask if the kernel can do such control without the user intention and
> >in an automatic way.
> >
> >Some BIOS provide to the user to select whether to block the battery
> >charging to 50% to make it stand for more time.
> >And Many people (like me) forget their laptops on power until the
> >battery no more can hold energy after 2minutes of no power.
> >
>
> On ThinkPads, tp_smapi (not in the kernel.org kernel) can do it.
> I'd like to see this feature standardized in sysfs.
Yep, it does, and it would make sense to make it standardized. (But I
don't think setting it as low as 50% is practical -- nor do I think
anyone sets it this low).
Pavel
--
(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:[~2010-04-20 13:37 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-13 12:35 Low-Level and Long-Term Battery Control Mohamed Ikbel Boulabiar
2010-04-13 13:24 ` Tony Vroon
2010-04-19 4:31 ` Andy Lutomirski
2010-04-20 13:37 ` Pavel Machek [this message]
[not found] <h2i45cc95261004120628kb38aabecr2552668f9e60d7c5@mail.gmail.com>
[not found] ` <20100415180200.GA1443@ucw.cz>
[not found] ` <q2p72dbd3151004151642p9c0b8a14yc9de251b134aec08@mail.gmail.com>
[not found] ` <20100416041509.GB1552@elf.ucw.cz>
2010-04-22 9:25 ` Mohamed Ikbel Boulabiar
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