[maemo-developers] Switching N810 to USB host mode?

[From: Charles Werbick]

Andrew,
Yes this is the same problem I had. It is simply a pain to get the
n810 into host mode. It gets stuck in B_IDLE. Please vote for - the
bug at- https://bugs.maemo.org/show_bug.cgi?id=3026. It shouldn't take
too much effort to get it applied as I've provided a patch...

The 'USB Device not supported' message is normal. It's actually a good
sign as you won't see that if you're not in host mode. (there's a USB
whitelist specified in the kernel driver. Unless your device is
listed, the device will display as unsupported. It may still work, but
you'll see the popup. Ignore it...)

The main issue I had was that I couldn't get the n810 into host mode
unless I was 'plugged in' in peripheral or OTG mode.

If you can get into host mode from peripheral mode (i.e.- while
plugged in as a USB HD) but not from scratch or boot up,then we're in
the same boat.

As before, I'd be happy to email you the patched kernel image for you
to try. But if it works for you, please vote for bug 3026 at
bugs.maemo.org so that it gets fixed in the next release...

Cheers,
Charles Werbick




On Sun, Mar 30, 2008 at 5:52 PM, Andrew Daviel <advax at triumf.ca> wrote:
>
>  I posted a longer version of this from the wrong address and it bounced.
>  In view of Charles Werbick's message & patch I've removed most of it.
>
>  (for my N810 with 2008SE_2.2007.51-3, unpatched)
>  It seems I have to unplug/replug the USB cable in host mode to get the
>  memory stick (via F/F adapter) to be recognized. Then I get
>  a popup "usb device not supported"
>   (dmesg usb 1-1: device v058f p9382 is not supported)
>  but the stick shows up in lsusb and the file manager autostarts.
>
>  In usbcontrol GUI, I don't see my device listed unless I click "host"
>  twice.
>
>
>  I tried "flasher-3.0 --enable-usb-host-mode"
>  but it did not work. Or I did something wrong. I tried the command,
>  then "flasher-3.0 -b" (reboot). Also tried disconnecting the USB
>  cable from the PC, connecting the memory stick, and clicking the
>  power button. The tablet booted up in perpheral mode both times.
>
>
>  --
>  Andrew Daviel, TRIUMF, Canada
>  Tel. +1 (604) 222-7376  (Pacific Time)
>  Network Security Manager
>
>
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