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Date:   Fri, 30 Mar 2018 08:22:27 -0700
From:   Tony Lindgren <tony@atomide.com>
To:     Merlijn Wajer <merlijn@wizzup.org>
Cc:     Pavel Machek <pavel@ucw.cz>,
        Sebastian Reichel <sebastian.reichel@collabora.co.uk>,
        Mark Brown <broonie@kernel.org>,
        Liam Girdwood <lgirdwood@gmail.com>,
        Rob Herring <robh+dt@kernel.org>,
        Lee Jones <lee.jones@linaro.org>,
        Jaroslav Kysela <perex@perex.cz>,
        Takashi Iwai <tiwai@suse.com>, alsa-devel@alsa-project.org,
        linux-omap@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, kernel@collabora.com,
        Dan Williams <dcbw@redhat.com>
Subject: Re: omap4-droid4: voice call support was Re: [PATCHv5,5/5] ARM: dts:
 omap4-droid4: add soundcard
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* Merlijn Wajer <merlijn@wizzup.org> [180330 13:09]:
> On 30/03/18 12:37, Pavel Machek wrote:
> > On Thu 2018-03-29 14:56:13, Tony Lindgren wrote:
> >> * Pavel Machek <pavel@ucw.cz> [180329 18:41]:
> >>> Thanks. I got call working including outgoing audio: in capture
> >>> settings, right->mic 1, Mic1 + Mic2 in alsamixer -> 100%. But I had
> >>> the other phone muted, so I don't yet know if such call would be of
> >>> usable quality.
> >>
> >> Great, good to hear that :)
> > 
> > I also got ofonod to work, with rather crazy hacks. But I now have
> > incoming/outgoing calls with GUI :-).
> 
> Would you mind sharing those hacks - I would like to play around with
> ofonod as well. Maybe I can help with a way forward.

Yeah that would be fun to play with :)

Below is a patch that works better at least for ModemManager,
does anybody have ideas what the unused three ports might be?

I wonder if ofono can use /dev/ttyUSB0 CQDM port?

Regards,

Tony

8< -------------------------
From tony Mon Sep 17 00:00:00 2001
From: Tony Lindgren <tony@atomide.com>
Date: Sun, 19 Nov 2017 19:55:56 -0800
Subject: [PATCH] USB: qcaux: Add droid 4 mdm6600 modem

We have five USB ports on mdm6600 modem and does not have the same
layout as layout as Gobi 1K/2K/etc devices listed in qcserial.c

So we should not be adding them to qcserial.c but instead use
qcaux.c or option.c as noted by Dan Williams <dcbw@redhat.com>.

The ttyUSB ports detected by ModemManager are:

ttyUSB0 CQDM-capable
ttyUSB1 no response
ttyUSB2 no response
ttyUSB3 no response
ttyUSB4 AT-capable

Note that it takes a while for ModemManager to start while it's
detecting the ports, so we may want to eventually limit the ports.

So far no luck finding out what the unused three ports are, maybe
there is NMEA there if somebody knows how to enable it.

Signed-off-by: Tony Lingren <tony@atomide.com>
---
 drivers/usb/serial/qcaux.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/serial/qcaux.c b/drivers/usb/serial/qcaux.c
--- a/drivers/usb/serial/qcaux.c
+++ b/drivers/usb/serial/qcaux.c
@@ -66,6 +66,7 @@ static const struct usb_device_id id_table[] = {
 	{ USB_VENDOR_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, 0xff, 0xfe, 0xff) },  /* WMC */
 	{ USB_VENDOR_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, 0xff, 0xff, 0xff) },  /* DIAG */
 	{ USB_DEVICE_AND_INTERFACE_INFO(0x1fac, 0x0151, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(0x22b8, 0x2a70, 0xff, 0xff, 0xff) },
 	{ },
 };
 MODULE_DEVICE_TABLE(usb, id_table);
-- 
2.16.3