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SubjectRe: [PATCHv4] phy: mapphone-mdm6600: Add USB PHY driver for MDM6600 on Droid 4
* Pavel Machek <pavel@ucw.cz> [180325 22:57]:
> Hi!
>
> > > > > Hmm. Interesting. Anyway, for me ttyUSB4 is interesting, as it seems
> > > > > to react to AT commands, and in particular reacts to ADT123; (; is
> > > > > important).
> > > >
> > > > Is that to dial a voice call?
> > >
> > > Yes. And it is ATD123; not ATD.
> >
> > Strange, no semicolon is needed when using /dev/gsmtty to
> > dial a voice call with my current pile of pending changes,
> > just doing ATD123 dials..
>
> Interesting. Maybe I made some mistake in experiment.

Looks like on /dev/ttyUSB4 doing AT+COPS? or AT+CREG? won't work
while on /dev/gsmtty1 they work. So /dev/ttyUSB4 seems to a subset of
what's available over n_gsm on ch1. Anyways, good to hear that
/dev/ttyUSB4 can be used to debug voice calls :)

> Thanks for hints, it would not be bad to get gps working. But .. voice
> calls. Those are important :-).

Yup, please keep us posted :) Meanwhile, I'll slowly continue
getting the n_gsm stuff working.

Tony

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