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Date: Wed, 4 Jul 2012 09:37:10 +0200
From: Natacha =?iso-8859-1?Q?Port=E9?= <natbsd@instinctive.eu>
To: Ian Smith <smithi@nimnet.asn.au>
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Cc: freebsd-acpi@freebsd.org
Subject: Re: How can I help with thinkpad x220 issues?
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Hello,

on Tuesday 03 July 2012 at 23:51, Ian Smith wrote:
>  > > > > $ sysctl dev.acpi_ibm
>  > > > 
>  > > > I do not have anything with IBM or Lenovo.
> 
> Is this a Thinkpad model that shows no benefits from loading acpi_ibm?

As said elsewhere, its identifier is LEN0068 instead if IBM0068, so a
non-patched acpi_ibm fails to bind.

However once patched, I can see it bind and provide sysctls. I don't
know the extent of what acpi_ibm is supposed to do, but I have to admit
I haven't noticed any benefit besides the added sysctls and the control
offered by those which actually work (e.g. switching wifi, bluetooth or
thinklight).


Natacha Porté