FSO wifi power control

Michael 'Mickey' Lauer mickey at openmoko.org
Fri Aug 8 14:47:21 CEST 2008

Am Freitag 08 August 2008 13:20:30 schrieb Andy Green:
> Somebody in the thread at some point said:
> | Am Donnerstag 07 August 2008 22:59:46 schrieb Angus Ainslie:
> |> Is there any way to control whether wifi is on or off from the
> command line
> |> in FSO.
> |
> | There is a WiFi object under the /org/freesmartphone/Device hierarchy
> which
> | exports the PowerControl API.
> But what does that actually do... it doesn't turn the thing off.  I
> guess it sends some suspend command somehow to the firmware.

It turns the transmit power to 0, which -- according to Sameo -- when we 
talked about that some months ago was the best kind of "offness" the chip 
would offer us.

> This /sys thing I mention uses a pin on the module to "turn it off" to
> the point it does not react as an SDIO device even any more.  Then when
> we deassert that, we need to scan it again.  In addition, this patch
> makes it boot "turned off".

Amazing. I will use this then. Which sysfs node will it be exactly and will 
the pwron semantics be normal or inverted?


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