IBM T23 volume keys handling

Norberto Meijome freebsd at meijome.net
Wed May 30 16:20:24 UTC 2007


On Wed, 30 May 2007 14:32:59 +0200
"Michał Frynas" <mfrynas at gmail.com> wrote:

> From: "Michał Frynas" <mfrynas at gmail.com>
> To: "Norberto Meijome" <freebsd at meijome.net>
> Subject: Re: IBM T23 volume keys handling
> Date: Wed, 30 May 2007 14:32:59 +0200
> 

Hi Michael,
please keep the original CC intact, for the archives.
> The application you have recommended, Norberto, does everything I wanted,
> and much more :)

cool :)

> Great thanks. And indeed, there is no need to modify kernel's modules nor
> the kernel itself...
> But anyway, I'm curious, which part of the kernel's code is responsible for
> handling these special keys... I'm gonna to dig a little bit deeper and
> satisfy my curiosity ;)

I believe the acpi module handles it (acpi_ibm.ko, in this case). If you have
the sysctl dev.acpi_ibm.0.events set to 0, acpi will pass on the events to devd
as well. I think tpb talks directly to acpi_ibm , but i may be wrong.

B
_________________________
{Beto|Norberto|Numard} Meijome

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