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

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Message-ID: <63b6065f-bccf-009b-3b1d-247cd852daff@ge.com>
Date:   Thu, 13 Oct 2016 08:25:16 +0300
From:   "Han, Nandor (GE Healthcare)" <nandor.han@...com>
To:     Mika Penttilä <mika.penttila@...tfour.com>,
        LKML <linux-kernel@...r.kernel.org>
Subject: 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