linux-kernel - Advice on battery support [was: Advice on APM-EMU reunion]

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Message-ID: <20070201095904.GE8882@enneenne.com>
Date:	Thu, 1 Feb 2007 10:59:04 +0100
From:	Rodolfo Giometti <giometti@...eenne.com>
To:	Paul Mundt <lethal@...ux-sh.org>, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.arm.linux.org.uk, linux-mips@...ux-mips.org
Subject: Advice on battery support [was: Advice on APM-EMU reunion]

On Tue, Jan 30, 2007 at 10:00:55AM +0900, Paul Mundt wrote:

> However, it has since been reposted:
> 
> http://article.gmane.org/gmane.linux.kernel/485833
> http://article.gmane.org/gmane.linux.kernel/485834
> http://article.gmane.org/gmane.linux.kernel/485835
> http://article.gmane.org/gmane.linux.kernel/485837
> 
> and merged back in to -mm. This is all post 2.6.20 stuff, though..

Ok, starting from these patches I'd like to add a "battery support" to
the kernel.

What I suppose to do is a new class with a proper methods useful to
collect several info on battery status, such as get_ac_line_status()
get_battery_status(), get_battery_flags(),
get_remaining_battery_life() and so on.

The output will be APM-like into file "/proc/apm" (one line per
battery, or just the "main"/first one?) so that existing applications
continue to work and under sysfs into "/sysfs/class/battery".

Is it sane? :)

Thanks in advance,

Rodolfo

-- 

GNU/Linux Solutions                  e-mail:    giometti@...eenne.com
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Embedded Systems                     		giometti@...ux.it
UNIX programming                     phone:     +39 349 2432127
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