Re: Nokia N900: musb is in wrong state after boot

From: Pali RohÃr
Date: Sun Feb 21 2016 - 13:20:40 EST


On Tuesday 26 January 2016 18:26:32 Tony Lindgren wrote:
> * Pali RohÃr <pali.rohar@xxxxxxxxx> [160126 06:35]:
> > On Thursday 21 January 2016 12:30:13 Tony Lindgren wrote:
> > > * joerg Reisenweber <joerg@xxxxxxxxxxxx> [160121 11:35]:
> > > > On Thu 21 January 2016 11:21:13 Tony Lindgren wrote:
> > > > > Do you have some pointer
> > > > > to the "certain resistor value on ID to GND" spec? Is it
> > > > > maybe part of the carkit related parts of the USB spec?
> > > >
> > > > ""Three additional ID pin states are defined[4] at the nominal
> > > > resistance values of 124 kÎ, 68 kÎ, and 36.5 kÎ, with respect
> > > > to the ground pin. These permit the device to work with USB
> > > > Accessory Charger Adapters that allows the OTG device to be
> > > > attached to both a charger and another device simultaneously.
> > > > [6]""
> > > > https://en.wikipedia.org/wiki/USB_On-The-Go#OTG_micro_plugs
> > >
> > > OK thanks. So it's the "accessory charger" part of the
> > > battery charging specification 1.1.
> >
> > So, Tony, do you have some idea what needs to be changed and how to
> > fix peripheral mode after boot on Nokia N900?
>
> No, I'm waiting to hear an educated guess from Felipe on this one.

PING! Still no answer.
Felipe changed email address.

> > First I would like to have fully working peripheral mode on Nokia
> > N900 and then we can try to hack host mode (if possible).
> >
> > But peripheral mode is a must due to development, because it
> > provides usb network or usb tty.
>
> Totally.
>
> Regards,
>
> Tony

--
Pali RohÃr
pali.rohar@xxxxxxxxx

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