[Gta04-owner] What is GPIO175 "HOST_WAKE_WWAN" for?

[Christoph Mair]

Hi,

I'm just guessing right now:
On Wed, Dec 14, 2011 at 10:02 PM, NeilBrown <neilb at suse.de> wrote:
> 176 "3G_WOE" is apparently for the GSM module to use to wake the CPU when
> something is happening,
Yes.

> but what is 176 "HOST_WAKE_WWAN" for?  Is it out from the CPU and IN to the
> GSM, or the other way?
> Any hints?
Mhh, maybe getting the Module out of suspend. If its suspended we can
power down the USB Bus.

> And still curious - what is the change made to the later board to make it
> possible to power-down the GSM module?
Connected ON_KEY to a GPIO.

Christoph