linux-kernel - Re: How to populate Battery information through ACPI tables

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Message-ID: <20130219183816.GK2439@intel.com>
Date:	Tue, 19 Feb 2013 20:38:16 +0200
From:	"Westerberg, Mika" <mika.westerberg@...el.com>
To:	"Pallala, Ramakrishna" <ramakrishna.pallala@...el.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Zhang, Rui" <rui.zhang@...el.com>
Subject: Re: How to populate Battery information through ACPI tables

On Tue, Feb 19, 2013 at 08:22:01PM +0200, Pallala, Ramakrishna wrote:
> Mika, I want to populate this characterization data as device
> specific/custom data which could be anything And may not be entirely
> related to battery. Is this is possible?

Yes, for example you could have a custom ACPI method with your device which
then returns this information.

See for example chapter 10.2.2.1 from the ACPI spec. It describes _BIF
method that returns some battery data to the caller.
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