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

[Pavel Machek]

On Thu 2018-03-29 09:41:13, Tony Lindgren wrote:
> * Pavel Machek <pavel@xxxxxx> [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
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 0418: 000e
 041c: 00ff
 0420: 44d3
@@ -515,8 +515,8 @@
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 081c: 0006
 0820: 0b2c
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@@ -641,13 +641,13 @@
 0a00: 0000
 0a04: 23b6
 0a08: 002b
-0a0c: 1530
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 0a10: 0000
-0a14: 4e54
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 0a1c: 0000
 0a20: 0000
-0a24: 0738
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 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
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-0c20: 01e5
+0c14: 015a
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+0c1c: 0270
+0c20: 01f5
 0c24: 0000
 0c28: 0204
 0c2c: 0205

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