* TLV320AIC3104: tlv320aic3104 #kernel #yocto @ 2021-06-21 5:01 Amrun Nisha.R 2021-06-21 8:38 ` [yocto] " Alexandre Belloni 0 siblings, 1 reply; 3+ messages in thread From: Amrun Nisha.R @ 2021-06-21 5:01 UTC (permalink / raw) To: yocto [-- Attachment #1: Type: text/plain, Size: 514 bytes --] 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 [-- Attachment #2: Type: text/html, Size: 1060 bytes --] ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [yocto] TLV320AIC3104: tlv320aic3104 #kernel #yocto 2021-06-21 5:01 TLV320AIC3104: tlv320aic3104 #kernel #yocto Amrun Nisha.R @ 2021-06-21 8:38 ` Alexandre Belloni 2021-06-25 5:01 ` Amrun Nisha.R 0 siblings, 1 reply; 3+ messages in thread From: Alexandre Belloni @ 2021-06-21 8:38 UTC (permalink / raw) To: Amrun Nisha.R; +Cc: yocto 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 ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: TLV320AIC3104: tlv320aic3104 #kernel #yocto 2021-06-21 8:38 ` [yocto] " Alexandre Belloni @ 2021-06-25 5:01 ` Amrun Nisha.R 0 siblings, 0 replies; 3+ messages in thread From: Amrun Nisha.R @ 2021-06-25 5:01 UTC (permalink / raw) To: yocto [-- Attachment #1: Type: text/plain, Size: 250 bytes --] Hi Alexandre, Thanks for your guidance. I have updated my device tree with dummy codec as linux. Still the sound card is not properly added. When i tried to verify that using aplay, i got error message as "no sound card is found". Kindly advice. [-- Attachment #2: Type: text/html, Size: 258 bytes --] ^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2021-06-25 5:01 UTC | newest] Thread overview: 3+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2021-06-21 5:01 TLV320AIC3104: tlv320aic3104 #kernel #yocto Amrun Nisha.R 2021-06-21 8:38 ` [yocto] " Alexandre Belloni 2021-06-25 5:01 ` Amrun Nisha.R
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