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Date: Sat, 31 Mar 2018 00:31:52 +0200
From: Pavel Machek <pavel@ucw.cz>
To: Tony Lindgren <tony@atomide.com>
Cc: Sebastian Reichel <sebastian.reichel@collabora.co.uk>,
        Mark Brown <broonie@kernel.org>, Liam Girdwood <lgirdwood@gmail.com>,
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        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        kernel@collabora.com, Dan Williams <dcbw@redhat.com>
Subject: Re: omap4-droid4: voice call support was Re: [PATCHv5,5/5] ARM: dts:
 omap4-droid4: add soundcard
Message-ID: <20180330223152.GB3389@amd>
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Hi!

> > 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.
>=20
> OK I'll try to narrow it down and play with the mic settings
> tonight or over the weekend.

No, just the three+alsamixer will not work. You also need to

814: |=3D 400

824: |=3D 400 CPCAP_REG_RXCOA : CPCAP_BIT_PGA_CDC_EN
81c: |=3D 006 CPCAP_REG_RXOA : CPCAP_BIT_A2_LDSP_L_EN / CPCAP_BIT_A2_LDSP_R=
_EN

You can set those using sudo aplay -D plughw:CARD=3DAudio,DEV=3D1
/usr/share/sounds/alsa/Front_Left.wav ... but that will do bad stuff
to the rest of the bits.

You might find this useful:

 watch 'cat /sys/kernel/debug/regmap/spi0.0/registers | grep "0800\|0804\|0=
808\|0814\|0818\|081c\|0820\|0824\|0828"'

Good luck, I need some sleep,

									Pavel

--=20
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo=
g.html

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