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Re: EXT: pre 4.9-rc dma regression, imx6 sound etc

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  Re: EXT: pre 4.9-rc dma regression, imx6 sound etc "Han, Nandor (GE Healthcare)" <nandor.han@ge.com> - 2016-10-13 09:20 +0200

#1500060 — Re: EXT: pre 4.9-rc dma regression, imx6 sound etc

On 12/10/2016 16:25, Mika Penttilä wrote:
> Hi!
>
> Bisected that commit 5881826 - "    dmaengine: imx-sdma - update the residue calculation for cyclic channels" is first bad commit to cause audio regression on imx6q, sgtl5000 codec. It causes audible disturbing background noise when playing wavs.
>
> Unfortunately, reverting only 5881826 causes uarts to fail, so another fix is needed.
>
> Thanks,
>
> Mika
>
>
>
>
>

Hi Mika,
    Thanks for info. I have already posted a patch that will fix this issue.

https://lkml.org/lkml/2016/10/11/319

It was already tested on imx6 and imx53. Let me know how it works.

-- 
Regards,
     Nandor

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