linux-kernel - Re: [PATCH 08/15] samsung-laptop: add battery life extender support

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Message-ID: <20111122222149.GH24283@suse.de>
Date:	Tue, 22 Nov 2011 14:21:49 -0800
From:	Greg KH <gregkh@...e.de>
To:	Corentin Chary <corentincj@...aif.net>
Cc:	platform-driver-x86@...r.kernel.org,
	Randy Dunlap <rdunlap@...otime.net>,
	Matthew Garrett <mjg@...hat.com>, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 08/15] samsung-laptop: add battery life extender support

On Tue, Nov 22, 2011 at 11:02:39PM +0100, Corentin Chary wrote:
> Signed-off-by: Corentin Chary <corentincj@...aif.net>
> ---
>  .../ABI/testing/sysfs-driver-samsung-laptop        |   10 +++
>  drivers/platform/x86/samsung-laptop.c              |   82 ++++++++++++++++++++
>  2 files changed, 92 insertions(+), 0 deletions(-)
> 
> diff --git a/Documentation/ABI/testing/sysfs-driver-samsung-laptop b/Documentation/ABI/testing/sysfs-driver-samsung-laptop
> index 0a81023..a6a56e1 100644
> --- a/Documentation/ABI/testing/sysfs-driver-samsung-laptop
> +++ b/Documentation/ABI/testing/sysfs-driver-samsung-laptop
> @@ -17,3 +17,13 @@ Description:	Some Samsung laptops have different "performance levels"
>  		Specifically, not all support the "overclock" option,
>  		and it's still unknown if this value even changes
>  		anything, other than making the user feel a bit better.
> +
> +What:		/sys/devices/platform/samsung/battery_life_extender
> +Date:		December 1, 2011
> +KernelVersion:	3.3
> +Contact:	Corentin Chary <corentin.chary@...il.com>
> +Description:	Max battery charge level can be modified, battery cycle
> +		life can be extended by reducing the max battery charge
> +		level.
> +		0 means normal battery mode (100% charge)
> +		1 means battery life extender mode (80% charge)

Really?  Huh, learn something new every day, that's rally cool, nice
job.

Acked-by: Greg Kroah-Hartman <gregkh@...e.de>
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