Re: omap4-droid4: voice call support was Re: [PATCHv5,5/5] ARM: dts: omap4-droid4: add soundcard

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On Thu 2018-03-29 09:34:50, Tony Lindgren wrote:
> * Pavel Machek <pavel@xxxxxx> [180329 16:09]:
> > > Then using the n_gsm ts 27.010 uart mux, I dial:
> > > 
> > > ./ngsm-rw 1 "AT+CFUN=1"		# connect to network
> > > U0001+CFUN:OK
> > > ./ngsm-rw 2 "AT+CMUT=0"		# unmute speaker over ch2, do this over qmi?
> > > U0001+CMUT:OK
> > > ./ngsm-rw 1 "ATD#123"		# dial number
> > > U0001D:OK
> > > 
> > > And I do hear a voice talking over the speakerphone :) Sorry have not tested the
> > > mic yet..
> > 
> > Hehe, ok, that's fun! I don't need +CMUT=0. It gave me error but then
> > the call worked, anyway... (I'm working with ttyUSB4).
> 
> Oh interesting. So maybe Android is doing AT+CMUT=0 for some other
> modems and it's not really needed? Or you have settings preserved
> from warm boot from Android?

No idea. But I booted from recovery, and I had to power up modem using
+CFUN...

> I did not have any luck with ttyUSB4 last night. Did you dial with
> ATD123; or ATD123? So is the semicolon really needed?
>

AT+CFUN=1
OK
ATD800123456
NO CARRIER
ATD800123456;
OK

I seem to need semicolon. And yes, I tried again after the call. Still
says no carrier.

Hmm. And when calling test number, the modem failed:
>
[  438.236755] Somebody do a proper driver please cpcap_soc_work
[  495.496032] phy-mapphone-mdm6600 usb-phy@1: modem status: 0 off
[  499.406005] phy-mapphone-mdm6600 usb-phy@1: modem status: 0 off
[  499.407318] usb 2-1: USB disconnect, device number 2
[  499.424926] qcserial ttyUSB0: Qualcomm USB modem converter now
disconnected from ttyUSB0
[  499.434112] qcserial 2-1:1.0: device disconnected
[  499.443389] qcserial ttyUSB1: Qualcomm USB modem converter now
disconnected from ttyUSB1
[  499.451904] qcserial 2-1:1.1: device disconnected
[  499.460968] qcserial ttyUSB2: Qualcomm USB modem converter now
disconnected from ttyUSB2
[  499.469512] qcserial 2-1:1.2: device disconnected
[  499.478057] qcserial ttyUSB3: Qualcomm USB modem converter now
disconnected from ttyUSB3
[  499.486572] qcserial 2-1:1.3: device disconnected
[  499.504760] qcserial ttyUSB4: Qualcomm USB modem converter now
disconnected from ttyUSB4
[  499.513244] qcserial 2-1:1.4: device disconnected
[  499.519104] qmi_wwan 2-1:1.5 wwan0: unregister 'qmi_wwan'
usb-4a064800.ohci-1, WWAN/QMI device
[  499.611511] qmi_wwan 2-1:1.6 wwan1: unregister 'qmi_wwan'
usb-4a064800.ohci-1, WWAN/QMI device
[  499.676086] Somebody do a proper driver please cpcap_soc_work
[  499.688323] qmi_wwan 2-1:1.7 wwan2: unregister 'qmi_wwan'
usb-4a064800.ohci-1, WWAN/QMI device
[  499.768859] qmi_wwan 2-1:1.8 wwan3: unregister 'qmi_wwan'
usb-4a064800.ohci-1, WWAN/QMI device

That one will be fun to debug, I'm afraid. (Or does the message at
495.496032 mean that we turned it off?)

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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