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List:       alsa-devel
Subject:    Re: [alsa-devel] omap4-droid4: voice call support was Re: [PATCHv5, 5/5] ARM: dts: omap4-droid4: add
From:       Pavel Machek <pavel () ucw ! cz>
Date:       2018-03-30 22:31:52
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.
> 
> 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: |= 400

824: |= 400 CPCAP_REG_RXCOA : CPCAP_BIT_PGA_CDC_EN
81c: |= 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=Audio,DEV=1
/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\|0808\|0814\|0818\|081c\|0820\|0824\|0828"'

Good luck, I need some sleep,

									Pavel

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


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