how to understand freescale Audio path

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how to understand freescale Audio path

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stevenshi
Contributor I

ssi.png

hi all:

  i am now woking audio function. i am sure i can transmit aduio data  from external device -> aud6 -> aud7->ssi2, but i don't konw how to let SSI port audio data as esai "SRC", I also not found any doc to describe this function from freescale offical document. A freescale told me it maybe ues ASRC, but i am not understand, can anybody give me some suggestion?  i think it maybe need modify kernel and Android HAL(tinyalsa_hal.c)

  our board is base SDB, Android 4.4.2

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igorpadykov
NXP Employee
NXP Employee

Hi steven

please look at

https://www.freescale.com/files/training_pdf/VFTF09_AA132.pdf

http://cache.freescale.com/files/dsp/doc/app_note/AN1848.pdf

and audio module tests with attached Linux Manual

http://repository.timesys.com/buildsources/i/imx-test/imx-test-3.14.28-1.0.0/

Best regards

igor

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