[OLPC-devel] Build image 76.

[Jim Gettys]

Interesting.  I'm glad we now know what was going on.

In theory, I would think the device driver should have responsibility
for enabling the power on devices; in Linux has knowledge of the bus
topology.

But I'll defer to Marcelo on what he thinks the right fix is.
                                  Regards,
                                          - Jim


On Thu, 2006-08-24 at 13:27 -0500, Richard Smith wrote:
> > > No, but the libertas driver doesn't seem to send anything to dmesg under
> > > Insyde either, so that doesn't help.  The device is missing from lsusb
> > > and /proc/bus/usb/devices; it's "Bus 001 Device 004: ID 1286:2001" when
> > > booted in Insyde, and that line doesn't appear inside LB.  I've checked
> > > that ehci/uhci are both loaded.
> > >
> > > - Chris.
> > I wonder if this is some magic being done by our friend the VSA ...
> 
> Nope looks to me to be a simple enable pin.  The EC has a singnal
> marked WLAN_EN that appears to control the 3.3V to the marvel chip.
> 
> Its hooked up to GPIO18 on the EC.  So enable that output and wireless
> should come back.
> 
> Should linuxbios do this or leave it up to a userspace program?
> 
-- 
Jim Gettys
One Laptop Per Child