Fuijtsu Lifebook RFKILL support

[Tony Vroon <tony@linx.net>]

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Good morning,

There is preliminary code ready to implement RFKILL support on Fujitsu
laptops. Unfortunately, I can't see how to express this specific switch
type within the existing framework.
The laptop has one "big" kill switch that kills everything,
WLAN/Bluetooth/3G, you name it. I have no means to turn individual
radios on or off, all I'll get is a big notifier (from which I can fire
up a query to see whether the kill switch state got changed).

As such, I have 1 rfkill interface that I'd like to call "all", which
supports states RFKILL_STATE_HARD_BLOCKED and RFKILL_STATE_UNBLOCKED. I
can implement get_state, but toggle_radio is marked mandatory.

I can't do anything meaningful in response to toggle_radio, but I could
unconditionally report failure. Ivo, does that violate the spirit of the
interface? To me it seems useful to have the notifiers, but I figured
I'd ask the subsystem maintainer first.

Jonathan, if you have DSDTs for machines other then a Lifebook S6410,
S6420 or E8410 could you please e-mail these to me. I would like to see
whether the callbacks I'm using are present.

Regards,
Tony V.

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