linux-kernel - Re: omap4-droid4: voice call support was Re: [PATCHv5,5/5] ARM: dts: omap4-droid4: add soundcard

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Date:   Thu, 29 Mar 2018 18:08:28 +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: omap4-droid4: voice call support was Re: [PATCHv5,5/5] ARM: dts:
 omap4-droid4: add soundcard

Hi!

> @@ -510,17 +510,17 @@
>  07f4: 0000
>  07f8: 0000
>  07fc: 0000
> -0800: 0065
> -0804: 0000
> -0808: 0040
> +0800: 0025     # CPCAP_REG_VAUDIOC     VAUDIO Control
> +0804: 60cf     # CPCAP_REG_CC          Codec Control, moto cpcap.c:1337 sets 0x0093?
> +0808: ae0a     # CPCAP_REG_CDI         Codec Digital Interface
>  080c: 0000
>  0810: 0004
> -0814: 0804
> -0818: 079c
> -081c: 0000
> -0820: 0924
> -0824: 0000
> -0828: 0000
> +0814: 0cc0     # CPCAP_REG_TXI         TX Inputs, moto cpcap.c:1340 sets 0x0CC6?
> +0818: 0610     # CPCAP_REG_TXMP        TX MIC PGA's, moto cpcap.c:1343 sets 0x0273?
> +081c: 0006     # CPCAP_REG_RXOA        RX Output Amplifiers
> +0820: 0b2c     # CPCAP_REG_RXVC        RX Volume Control
> +0824: 0606     # CPCAP_REG_RXCOA       RX Codec to Output Amps
> +0828: 0600     # CPCAP_REG_RXSDOA      RX Stereo DAC to Output Amps
>  082c: 0400
>  0830: 0000
>  0834: 0030
> 
> I wonder if mdm6600 is the i2s master during the voice call?
> 
> Then using the n_gsm ts 27.010 uart mux, I dial:
> 
> ./ngsm-rw 1 "AT+CFUN=1"		# connect to network
> U0001+CFUN:OK
> ./ngsm-rw 2 "AT+CMUT=0"		# unmute speaker over ch2, do this over qmi?
> U0001+CMUT:OK
> ./ngsm-rw 1 "ATD#123"		# dial number
> U0001D:OK
> 
> And I do hear a voice talking over the speakerphone :) Sorry have not tested the
> mic yet..

Hehe, ok, that's fun! I don't need +CMUT=0. It gave me error but then
the call worked, anyway... (I'm working with ttyUSB4).

I don't know how to hang the call up. ATH did not work for me.

And no, microphone does not work.

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

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