linux-kernel - Re: [Regression] 2.6.37-rc1: Lenovo T61 mute button does not work

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Date:	Wed, 1 Dec 2010 23:54:32 +0100
From:	Lukas Hejtmanek <xhejtman@....muni.cz>
To:	Calvin Walton <calvin.walton@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [Regression] 2.6.37-rc1: Lenovo T61 mute button does not work

On Tue, Nov 30, 2010 at 09:58:44PM -0500, Calvin Walton wrote:
> Search your dmesg for lines containing '_OSI(Linux)' - it should say
> that a BIOS query was honoured. Make sure you do not have 'acpi_osi="!
> Linux"' on your kernel command line.

the difference between working and non working seems to be in:

ACPI: BIOS _OSI(Linux) query honored via DMI

and 

ACPI: BIOS _OSI(Linux) query honored via cmdline


via DMI seems to be working as expected, via cmdline does not work. Any ideas?

-- 
Lukáš Hejtmánek
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