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 20:40:07 +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

On Thu 2018-03-29 09:41:13, Tony Lindgren wrote:
> * Pavel Machek <pavel@....cz> [180329 16:38]:
> > Hi!
> > 
> > > > > > And I do hear a voice talking over the speakerphone :) Sorry have not tested the
> > > > > > mic yet..
> > > > 
> > > > And calling a person I can hear the other end but the mic is
> > > > not working. So maybe I need to tweak the alsamixer settings
> > > > too for mic?
> > > 
> > > Your override kills most settings from alsamixer. You can try to
> > > just override CPCAP_REG_VAUDIOC, CPCAP_REG_CC and CPCAP_REG_CDI
> > > and setup everything else with alsamixer.
> > 
> > I tried that, and could not get it to work; will try some more.
> > 
> > Is there easy way to get the register dump?
> 
> For mainline kernel:
> 
> # cat /sys/kernel/debug/regmap/spi0.0/registers
> 
> For Android v3.0.8 kernel, see cpcaprw on github.

Thanks. I got call working including outgoing audio: in capture
settings, right->mic 1, Mic1 + Mic2 in alsamixer -> 100%. But I had
the other phone muted, so I don't yet know if such call would be of
usable quality.

Thanks!
								Pavel

--- tony.as	2018-03-29 18:29:41.715742372 +0000
+++ mic.as	2018-03-29 18:33:40.910759649 +0000
@@ -258,8 +258,8 @@
 0404: 0000
 0408: 0000
 040c: 0000
-0410: 0014
-0414: 0104
+0410: 0004
+0414: 0105
 0418: 000e
 041c: 00ff
 0420: 44d3
@@ -515,8 +515,8 @@
 0808: ae0a
 080c: 0078
 0810: 003c
-0814: 0cc0
-0818: 0610
+0814: 0cc4
+0818: 061f
 081c: 0006
 0820: 0b2c
 0824: 0606
@@ -641,13 +641,13 @@
 0a00: 0000
 0a04: 23b6
 0a08: 002b
-0a0c: 1530
+0a0c: 18ec
 0a10: 0000
-0a14: 4e54
-0a18: 0036
+0a14: 6a90
+0a18: 0040
 0a1c: 0000
 0a20: 0000
-0a24: 0738
+0a24: 0b40
 0a28: 0000
 0a2c: 0000
 0a30: 0000
@@ -769,12 +769,12 @@
 0c00: 9004
 0c04: 0136
 0c08: 0000
-0c0c: 02fb
+0c0c: 02fc
 0c10: 01da
-0c14: 015b
-0c18: 0300
-0c1c: 0271
-0c20: 01e5
+0c14: 015a
+0c18: 02fe
+0c1c: 0270
+0c20: 01f5
 0c24: 0000
 0c28: 0204
 0c2c: 0205

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