Access to audio reference clock in AAM1 mode

stretcher
stretcher New Member Posts: 2 ✭
in UP Xtreme Hardware Specification

If possible I would like access to the clock used to derive the audio sample rates when in AAM1 (SoundWire) mode.
E.g. 24.576MHz/12.288MHz clock for the 48Ksa audio sample rate family
22.5792MHz/11.2896MHz clock for the 44.1Ksa family
Thanks

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Answers

  • camillus
    camillus Administrator, Moderator, AAEON Posts: 188 admin
    edited September 2021

    Hi @stretcher ,

    UP team does not support SoundWire interface, only I2S as digital audio interface, But UP team has stopped supporting I2S and the functionality is end, because there is no development resource and few customers using I2S.

    We would suggest that you use a USB audio dongle or other ADC device for this case.

    Best Regards,

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  • DCleri
    DCleri Administrator, AAEON Posts: 1,213 admin

    To rectify on the answer provided above.

    We do not provide specific support for I2S and Soundwire, but Intel is developing (and merging upstream) the necessary driver under the SOF project: https://thesofproject.github.io/

    Please double check if you can find the necessary information on that website, if not you may want to contact the drivers maintainer to get more details (UP Xtreme is based on WHL-U which shares the Audio DSP of ICL).

    Once the feature will be ready and documented we will provide the necessary links in our Wiki.

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