linux-kernel - Re: [PATCH] drivers/power/sbs-battery.c: capacity attr = remaining relative capacity

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Date:	Fri, 4 May 2012 08:24:43 -0700
From:	Rhyland Klein <rklein@...dia.com>
To:	Nikolaus Voss <n.voss@...nmann.de>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"cbouatmailru@...il.com" <cbouatmailru@...il.com>
Subject: Re: [PATCH] drivers/power/sbs-battery.c: capacity attr = remaining
 relative capacity

On Tue, 2012-04-24 at 23:59 -0700, Nikolaus Voss wrote:
> Currently, the capacity exported by this driver refers to reg 0x0e,
> which is the absolute state of charge which according to SBS
> refers to the design capacity/ energy of the battery. It can be
> > 100 % and drops below 100 % for a fully charged battery with
> the battery aging.
> 
> This is not what the user exspects of a remaining capacity
> indication between 0 and 100 % with 100 % referring to
> a fully charged battery. This is provided by SBS reg 0x0d,
> which is the relative state of charge referring to the
> full charge capacity.
> 
> Signed-off-by: Nikolaus Voss <n.voss@...nmann.de>
> ---
>  drivers/power/sbs-battery.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)

Ack-ed Rhyland Klein <rklein@...dia.com>

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