[ltp] Wireless switch on (newer?) thinkpads (e.g. z61p)

[Andrew Barr]

On Wed, 2006-09-20 at 19:08 +0200, Johannes Boy wrote:
> Greetings,
> I'm playing around with my new z61p right now and I was wondering how
> to get this wireless switch to work (I guess it turns off the wireless
> radio(s) on a hardware basis)
> What I found out so far is:
> ibm_acpi sends an event for it: received event "ibm/hotkey HKEY
> 00000080 00007000"
> (I entered the event in the "special key" section of the wiki).
> So it would be easy to include an acpi action script to start/stop
> daemons & services using this event key, however:
> The same event is sent on turning it on and when turning it off, so
> telling which way it was turned isn't possible by just looking at the
> event.
> Also, I couldnt find any hardware-based information about this script in
> - /proc/acpi/*
> - lshal
> - lspci
> 
> Sooo... does anyone have any information about how to get the status
> of this switch?

I think the new Thinkpads have ipw3945 cards. The older ipw* cards had a
file called '/sys/class/net/eth(X)/device/rf_kill' that read out the
status of the kill switch and writing to it affected that status. So
look for something like that.

HTH,
Andrew

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