linux-kernel - Re: call/normal switch was Re: omap4-droid4: voice call support was

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Message-ID: <20180401131852.GA11086@amd>
Date:   Sun, 1 Apr 2018 15:18:52 +0200
From:   Pavel Machek <pavel@....cz>
To:     Tony Lindgren <tony@...mide.com>
Cc:     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,
        Dan Williams <dcbw@...hat.com>
Subject: Re: call/normal switch was Re: omap4-droid4: voice call support was

On Sat 2018-03-31 16:43:14, Tony Lindgren wrote:
> * Pavel Machek <pavel@....cz> [180331 19:56]:
> > On Sat 2018-03-31 21:46:16, Pavel Machek wrote:
> > > On Sat 2018-03-31 21:19:39, Pavel Machek wrote:
> > > > On Sat 2018-03-31 11:19:35, Tony Lindgren wrote:
> > > > > Cool :) Microphone still does not work for me.. I tried tweaking
> > > > > the alsamixer settings but no mic. This is with cold boot with
> > > > > droid4-kexecboot if that might make a difference, we may have
> > > > > some register uninitialized somewhere. Any ideas?
> > > > 
> > > > Ok, I was focusing on the speaker side.
> > > > 
> > > > alsamixer, tab to go to capture settings, set it to 37 37 Mic2 Mic1
> > > > should work, according to my notes, but not recently tested and not
> > > > tested against real human.
> > > > 
> > > > I'll attempt to test it, but something in my userland shuts down
> > > > system just after boot 60% of time, which is rather annoying.
> > > 
> > > Hmm. So I tried again, and setting Mic1 and back in the capture
> > > settings crashed the modem. Bang, disconnected from the USB.
> > 
> > Next try, and it worked this time.
> > 
> > _Before the call_, set mode to Normal and then Call. Then go to
> > capture, and set 100 100 Mic2 Mic1. Then place a call,
> > 
> > AT+CFUN=1
> > OK
> > ATD6;
> 
> No luck with microphone here :( Using ttyUSB4, AT+CFUN=1
> works, but ATD command on it just hangs the USB interface
> and I have to reload phy-mapphone-mdm6600 to reset the
> modem.

Test call with real human worked (thanks to Rolf K.), I could hear him
well but he reported call was very quiet. And that was with capture
settings at 100%.

If you had a register dump from android with mics working, preferably
not in speaker mode, perhaps I could try to figure it out?

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

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