Re: WIP Droid 4 voice calls, GNSS & PM with a TS 27.010 serdev driver

From: Pavel Machek <pavel@ucw.cz>
To: Tony Lindgren <tony@atomide.com>
Cc: linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org,
	Jarkko Nikula <jarkko.nikula@bitmer.com>,
	Johan Hovold <johan@kernel.org>,
	Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>,
	Marcel Partap <mpartap@gmx.net>,
	Merlijn Wajer <merlijn@wizzup.org>,
	Michael Scott <hashcode0f@gmail.com>, NeKit <nekit1000@gmail.com>,
	omerlle@gmail.com, Sebastian Reichel <sre@kernel.org>,
	Peter Ujfalusi <peter.ujfalusi@ti.com>,
	Rob Herring <robh@kernel.org>
Subject: Re: WIP Droid 4 voice calls, GNSS & PM with a TS 27.010 serdev driver
Date: Wed, 16 Jan 2019 14:48:23 +0100	[thread overview]
Message-ID: <20190116134823.GA10145@amd> (raw)
In-Reply-To: <20181218215311.GD6707@atomide.com>

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Hi!

> > > > I did a quick test in my config... and it did not break my old setup
> > > > -- voice calls still work when set up over USB and with manual mixer
> > > > setup. That was good surprise.
> > > 
> > > OK good to hear. Using the n_gsm port instead of USB during idle
> > > has a major PM advantage as the SoC can hit retention during idle
> > > while still connected to the modem and getting notifications.
> > > 
> > > So looks like during idle we can keep USB in autosuspend mode with
> > > something like the below shell script function.
> > 
> > Yes, I should really start using serials instead of USB. But... I have
> > working ofono there, and was using that phone and am little short on
> > time at the moment.
> 
> Hopefully adding support to ofono and modemmanager to use use
> /dev/motmdm1 for calls should be quite trivial now.

git@github.com:pavelmachek/ofono.git

"quite trivial" does not mix with ofono. I did parts and it is still
not finished. At the moment, I do not have enough working SIM cards to
test everything. Feel free to help :-).
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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