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SubjectRe: [PATCHv4] phy: mapphone-mdm6600: Add USB PHY driver for MDM6600 on Droid 4
On Sat 2018-03-24 07:25:17, Tony Lindgren wrote:
> * Dan Williams <dcbw@redhat.com> [180324 14:00]:
> > On Fri, 2018-03-23 at 21:13 +0100, Pavel Machek wrote:
> > > Does ofonod work for you? I could not get that one to work...
> >
> > Because it's looking for a Gobi modem but the MDM6600 isn't one and
> > doesn't expose that layout (and doesn't really need to anyway). I
> > don't think ofono has a generic QMI driver, so you'd either need to for
> > ce it to use the telitqmi or quectelqmi drivers, or write your own
> > generic QMI one.
>
> We also get five USB uarts if we add the device id with something
> like the patch below. I don't quite get why we get five UARTS?

Not sure, either. Often more than one uart is useful, you get AT
commands on one, while GPRS data flow on some other.

> Also not sure if we should be using drivers/usb/serial/qcaux.c
> instead of qcserial.c?
>
> And from what I recall trying it out, adding the USB UARTs
> somehow confused ModemManager I think, that needs to be retested
> though :)
>
> And the USB UARTs added do not offer the same set of AT commands
> as the n_gsm serial mux.

Hmm. Interesting. Anyway, for me ttyUSB4 is interesting, as it seems
to react to AT commands, and in particular reacts to ADT123; (; is
important).

AT+CMGF=1
AT+CMGS="123"
foo^Z

Works for SMS sending. Good.

(And... Thanks!)

Now, if someone knows what needs to be done to get GSM audio working,
let me know. That's something I'd really like.

Best regards,
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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