From: "Alexandre Belloni" <alexandre.belloni@bootlin.com>
To: "Amrun Nisha.R" <amrunnishar@gmail.com>
Cc: yocto@lists.yoctoproject.org
Subject: Re: [yocto] TLV320AIC3104: tlv320aic3104 #kernel #yocto
Date: Mon, 21 Jun 2021 10:38:36 +0200 [thread overview]
Message-ID: <YNBQDAcU8zwFbqsO@piout.net> (raw)
In-Reply-To: <UZMQ.1624251708012368436.fPfH@lists.yoctoproject.org>
Hello,
On 20/06/2021 22:01:48-0700, Amrun Nisha.R wrote:
> Hi,
>
> I am using tlv320aic3104 in one of my project, The hardware is wired
> in such a way that the I2C lines from tlv320aic3104 is connected to a
> separate microprocessor which performs the init.
>
> The SAI lines of tlv320aic3104 are connected to IMX8M SAI lines, I am
> running linux in IMX8M. ALSA says no sound cards found.
>
> I would like to know whether this kind of setup where the i2c is used
> by a separate processor and using the SAI lines in a different device
> that runs linux will work. Kindly advice
To support that, you will have to write your own card driver or at least
write a device tree sound node with a dummy codec as Linux will not be
configuring it.
See https://bootlin.com/pub/conferences/2020/lee/belloni-alsa-asoc/belloni-alsa-asoc.pdf
--
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
next prev parent reply other threads:[~2021-06-21 8:38 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-21 5:01 TLV320AIC3104: tlv320aic3104 #kernel #yocto Amrun Nisha.R
2021-06-21 8:38 ` Alexandre Belloni [this message]
2021-06-25 5:01 ` Amrun Nisha.R
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