Re: [RFC PATCH] thinkpad-acpi: Improve hardware volume controls

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On Thu, May 12, 2011 at 11:30 AM, Bruce Hill <bruce@xxxxxxxxxxxxxxxx> wrote:
> On Thu, May 12, 2011 at 10:16:12AM -0400, Andrew Lutomirski wrote:
>> It's /sys/firmware/acpi/tables/DSDT
>>
>> If you're feeling fancy you can copy it somewhere and run iasl -d on
>> it, but the binary version will do.
>>
>> --Andy
>
> root@jeremiah ~ #  iasl -d /sys/firmware/acpi/tables/DSDT
>
> Intel ACPI Component Architecture
> AML Disassembler version 20090123 [May 12 2011]
> Copyright (C) 2000 - 2009 Intel Corporation
> Supports ACPI Specification Revision 3.0a
>
> Loading Acpi table from file /sys/firmware/acpi/tables/DSDT
> Could not get table from the file
>
> http://paste.pocoo.org/raw/387604/

I think that killed it because it's binary.

>
> Apparently something needs to be done so that it's human readable? Have
> never used iasl and you need to 'hold my hand'. ;)

Just copy the file to a writable directory and then run iasl -d.  iasl
will create a new file with the extension .dsl, which it can't do in
/sys.

--Andy

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