linux-kernel - Re: simultaneous voice/data works (was Re: call/normal switch was Re: omap4-droid4: voice call support was)

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Date:   Tue, 10 Apr 2018 06:50:29 -0700
From:   Tony Lindgren <tony@...mide.com>
To:     Pavel Machek <pavel@....cz>
Cc:     Dan Williams <dcbw@...hat.com>, Merlijn Wajer <merlijn@...zup.org>,
        Sebastian Reichel <sebastian.reichel@...labora.co.uk>,
        Mark Brown <broonie@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Lee Jones <lee.jones@...aro.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>, alsa-devel@...a-project.org,
        linux-omap@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel@...labora.com
Subject: Re: simultaneous voice/data works (was Re: call/normal switch was
 Re: omap4-droid4: voice call support was)

* Pavel Machek <pavel@....cz> [180410 11:00]:
> On Mon 2018-04-09 07:08:47, Tony Lindgren wrote:
> > * Dan Williams <dcbw@...hat.com> [180408 02:46]:
> > > On Sat, 2018-04-07 at 14:22 +0200, Pavel Machek wrote:
> > > > I tried --location-enable-gps-unmanaged , but that did not work for
> > > > me.
> > > 
> > > That requires a TTY that would spit out the GPS data; in this mode MM
> > > only sends the start/stop commands, and what comes out the GPS TTY is
> > > undefined (at least by MM).
> > > 
> > > So unless you know that one of the 6600's TTYs does GPS and in what
> > > format it does GPS, then no.
> > 
> > There should be a NMEA port within the unknown port range ttyUSB[123].
> > 
> > Is there some easy way to enable --location-enable-gps-unmanaged for
> > testing so I can check if GPS gets enabled for one of the ports?
> 
> This should be userful for testing:
> 
> Just pass --pds-start-gps and you should get NMEA on stdout.

Hmm maybe also try to check if enabling the GPS this way starts
printing something out of /dev/ttyUSB[123]?

Regards,

Tony