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

From	Tony Lindgren <tony@atomide.com>
Newsgroups	linux.kernel
Subject	Re: Nokia N900: musb is in wrong state after boot
Date	2016-01-26 18:30 +0100
Message-ID	<qVfBg-7mT-9@gated-at.bofh.it> (permalink)
References	(1 earlier) <qTssW-M0-17@gated-at.bofh.it> <qTt5E-1hZ-11@gated-at.bofh.it> <qTtfl-1mO-33@gated-at.bofh.it> <qTubp-1Zs-17@gated-at.bofh.it> <qVcWL-5sj-43@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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* Pali Rohár <pali.rohar@gmail.com> [160126 06:35]:
> On Thursday 21 January 2016 12:30:13 Tony Lindgren wrote:
> > * joerg Reisenweber <joerg@openmoko.org> [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 kΩ, 68 kΩ, and 36.5 kΩ, 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.

> 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

Thread

Re: Nokia N900: musb is in wrong state after boot Tony Lindgren <tony@atomide.com> - 2016-01-19 21:40 +0100
  Re: Nokia N900: musb is in wrong state after boot Pali Rohár <pali.rohar@gmail.com> - 2016-01-21 09:50 +0100
    Re: Nokia N900: musb is in wrong state after boot Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com> - 2016-01-21 11:00 +0100
      Re: Nokia N900: musb is in wrong state after boot Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com> - 2016-01-21 11:30 +0100
      Re: Nokia N900: musb is in wrong state after boot Pali Rohár <pali.rohar@gmail.com> - 2016-01-21 11:30 +0100
    Re: Nokia N900: musb is in wrong state after boot joerg Reisenweber <joerg@openmoko.org> - 2016-01-21 12:00 +0100
      Re: Nokia N900: musb is in wrong state after boot Tony Lindgren <tony@atomide.com> - 2016-01-21 18:50 +0100
        Re: Nokia N900: musb is in wrong state after boot joerg Reisenweber <joerg@openmoko.org> - 2016-01-21 19:50 +0100
          Re: Nokia N900: musb is in wrong state after boot Tony Lindgren <tony@atomide.com> - 2016-01-21 20:30 +0100
            Re: Nokia N900: musb is in wrong state after boot joerg Reisenweber <joerg@openmoko.org> - 2016-01-21 20:40 +0100
              Re: Nokia N900: musb is in wrong state after boot Tony Lindgren <tony@atomide.com> - 2016-01-21 21:40 +0100
                Re: Nokia N900: musb is in wrong state after boot Pali Rohár <pali.rohar@gmail.com> - 2016-01-26 15:40 +0100
                Re: Nokia N900: musb is in wrong state after boot Tony Lindgren <tony@atomide.com> - 2016-01-26 18:30 +0100
            Re: Nokia N900: musb is in wrong state after boot Pali Rohár <pali.rohar@gmail.com> - 2016-01-23 14:00 +0100

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