What is the proper way to turn wlan on/off? Other wlan questions.

[matt_hsu]

jidanni at jidanni.org wrote:
>>> However you can send it a command to enter a very low power state, which
>>> is what we're talking about making easier on this thread.
>>>       
> mh>    This provides enough information to enter low power state (look at
> mh> wow section). http://wiki.openmoko.org/wiki/WiFi
>
> OK, I'm curious, if I don't ever turn WLAN on, am I already in the
> lowest power state?
>   
Basically, WLAN is turned on when system is up. It's hardcoded in kernel.
I'm not sure why it looks like that. I suppose WLAN is in lowest state
if we don't issue a CHIP_PWD trigger for ar6k module. But I've never try 
this before.

Werner,
Do you know why the power up sequence of WLAN is hardcoded?

Cheers,

Matt
> I.e., if I make sure none of the Debian /etc/init.d/* or other boot
> scripts on my GTA02v6 attempt to do any WLAN related operations, will
> the WLAN be already in the lowest power state, or do I need to take
> additional actions?
>
> This is what I understand the other three antennas are like: if none
> of the boot scripts issue commands related to them, they will remain
> in their off states.
>
> (Also I hope non of this persists across reboots.)
>