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

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Message-ID: <20180331234314.GZ5700@atomide.com>
Date:   Sat, 31 Mar 2018 16:43:14 -0700
From:   Tony Lindgren <tony@...mide.com>
To:     Pavel Machek <pavel@....cz>
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

* 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.

> If you change Mic1 setting, GSM modem will likely crash.

Have not seen that one here :)

Regards,

Tony