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

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Message-ID: <CAHR064jzbGKyHbBvO7H9tyEbamQT9-E4bpQAhJvfNiHX9JT0zg@mail.gmail.com>
Date:	Wed, 23 Nov 2011 17:54:55 +0100
From:	Corentin Chary <corentin.chary@...il.com>
To:	David Herrmann <dh.herrmann@...glemail.com>
Cc:	platform-driver-x86@...r.kernel.org,
	Greg Kroah-Hartman <gregkh@...e.de>,
	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

> My BIOS provides this option, too. However, this driver does not
> detect it on my machine. During initialization I get:
> samsung_laptop: SABI command 0x0078 failed with completion flag 0xaa
>
> Maybe you can help debugging this. If there is something I can test
> via debugfs, just tell me.

Could you try to load the module with debug=1, type these commands

$ cd /sys/kernel/debug/
$ echo 0x65 > command
$ for i in d0 d1 d2 d3; echo 0 > $i; done
$ echo 0x80 > d0
$ cat call

and then show me the output of dmesg ?

Thanks,
-- 
Corentin Chary
http://xf.iksaif.net
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