linux-kernel - Re: sonypc with Sony Vaio VGN-SZ1VP

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Date:	Thu, 4 Jan 2007 20:16:53 -0800
From:	Andrew Morton <akpm@...l.org>
To:	Stelian Pop <stelian@...ies.net>
Cc:	Mattia Dongili <malattia@...ux.it>, Len Brown <lenb@...nel.org>,
	Ismail Donmez <ismail@...dus.org.tr>,
	Andrea Gelmini <gelma@...ma.net>, linux-kernel@...r.kernel.org,
	linux-acpi@...r.kernel.org, Cacy Rodney <cacy-rodney-cacy@...n.pl>
Subject: Re: sonypc with Sony Vaio VGN-SZ1VP

On Fri, 05 Jan 2007 00:54:32 +0100
Stelian Pop <stelian@...ies.net> wrote:

> Le jeudi 04 janvier 2007 à 15:44 -0800, Andrew Morton a écrit :
> > On Fri, 05 Jan 2007 00:36:23 +0100
> > Stelian Pop <stelian@...ies.net> wrote:
> > 
> > > Added acpi_bus_generate event for forwarding Fn-keys pressed to acpi subsystem,
> > > and made correspondent necessary changes for this to work.
> > 
> > neato.
> > 
> > err, how does one use this?
> 
> :)
> 
> Well, it seems that on some Vaios (including Nilton's pcg-frv26 but not
> only this one), the Fn key events aren't seen by sonypi or sony_acpi
> GHKE method, but do generate an ACPI notify event.

Speak English ;)

> For those laptops, the patch forwards the ACPI event to the ACPI system
> and can be later interpreted in userspace using
> acpid's /etc/acpi/default.sh (example directly from Nilton):

The only things Mr Red Hat gave me are /etc/acpi/events/sample.conf and
/etc/acpi/events/video.conf.

> > case "$group" in
> >     button)
> >         case "$action" in
> >             power) /usr/sbin/hibernate
> >                 ;;
> >
> >             lid) cat /proc/acpi/button/lid/LID/state
> >                 ;;
> > 
> >             *)  logger "ACPI action $action is not defined ($@)"
> >                 ;;
> >         esac
> >         ;;
> > 
> >     SNC) echo "$@" > /dev/tcp/localhost/50007
> >         ;;
> > 
> >     *) logger "ACPI group $group / action $action is not defined"
> >         ;;
> > esac
> > 
> > In which I just forward the SNC event to another userspace application
> > listening on a TCP port.
> 

I pressed then released a button and dmesg said

[   76.961568] evbug.c: Event. Dev: <NULL>, Type: 1, Code: 148, Value: 1
[   76.961576] evbug.c: Event. Dev: <NULL>, Type: 0, Code: 0, Value: 0
[   76.963277] evbug.c: Event. Dev: <NULL>, Type: 1, Code: 148, Value: 0
[   76.963284] evbug.c: Event. Dev: <NULL>, Type: 0, Code: 0, Value: 0
[   76.967341] evbug.c: Event. Dev: <NULL>, Type: 1, Code: 148, Value: 1
[   76.967349] evbug.c: Event. Dev: <NULL>, Type: 0, Code: 0, Value: 0
[   76.968136] evbug.c: Event. Dev: <NULL>, Type: 1, Code: 148, Value: 0
[   76.968143] evbug.c: Event. Dev: <NULL>, Type: 0, Code: 0, Value: 0

Nothing else happened.

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