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From: Hans Petter Selasky <hselasky@c2i.net>
To: Lowell Gilbert <Lgfbsd@be-well.ilk.org>
Subject: Re: Android device problems with MTP ID
Date: Thu, 3 Jan 2013 21:04:54 +0100
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On Thursday 03 January 2013 20:58:15 Lowell Gilbert wrote:
> Hans Petter Selasky <hselasky@c2i.net> writes:
> > On Thursday 03 January 2013 20:34:50 Lowell Gilbert wrote:
> >> On my (updated to Android 4.1.1) phone, MTP only works if the phone's
> >> USB debugging option is enabled. If it is, usbconfig(8) sees a ugen(4)
> >> interface of MTP type; but otherwise it just shows up as a CD device.
> > 
> > Try to use cdcontrol to eject the CD.
> 
> Thanks! That works! [And I can see the logic behind it, even, from a
> firmware point of view.]
> 
> I should be able to automate the eject command through devd, I think.
> It would be nice to put something in the tree that would do that, but
> being sure not to catch cases you'd want such a feature would be
> error-prone.
> 
> I'll move forward on making MTP more convenient on FreeBSD. A lot of
> devices are starting to force it on us, and it keeps the device usable
> while the computer is accessing its files.
> 
> Thanks again!
> 
> Be well.
>         Lowell

There might be a quirk for that.

See usbconfig, and send a patch for that if you figure it out :-)

--HPS