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Date:      Sun, 15 Jul 2018 16:58:31 +0200
From:      Manuel =?iso-8859-15?Q?St=FChn?= <freebsdnewbie@freenet.de>
To:        Ruslan Bukin <ruslan.bukin@cl.cam.ac.uk>
Cc:        freebsd-arm@freebsd.org
Subject:   Re: sound on wandboard-quad
Message-ID:  <20180715145830.GA3531@freebsd-t420.fritz.box>
In-Reply-To: <20180714211315.GA27603@bsdpad.com>
References:  <20180712180858.GA60719@freebsd-t420.fritz.box> <20180714211315.GA27603@bsdpad.com>

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On Sat, Jul 14, 2018 at 10:13:15PM +0100, Ruslan Bukin wrote:
>What is DAC chip on wardboard?

According to schematic it's an external Audio Codec from NXP (SGTL5000) 

>We may have sound output (i2s) working with sDMA, SSI and AUDMUX, but 
>DAC (off-chip device) may require configuration by SPI or i2c. I.e. we 
>may need a driver for DAC which is not part of i.MX6 soc

A quick "grep -R -i SGTL /usr/src" showed only matches devicetree files.  

--
Manuel



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