From: "Mika Penttilä" <mika.penttila@nextfour.com>
To: "Han, Nandor (GE Healthcare)" <nandor.han@ge.com>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: EXT: pre 4.9-rc dma regression, imx6 sound etc
Date: Thu, 13 Oct 2016 08:38:39 +0300 [thread overview]
Message-ID: <efe7137e-637e-d101-df71-170adf0e2f73@nextfour.com> (raw)
In-Reply-To: <63b6065f-bccf-009b-3b1d-247cd852daff@ge.com>
On 10/13/2016 08:25 AM, Han, Nandor (GE Healthcare) wrote:
>
>
> 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.
>
Hi,
Great, with this patch audio is ok again! This patch should go in for 4.9!
Thanks,
Mika
prev parent reply other threads:[~2016-10-13 8:14 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-12 13:25 Mika Penttilä
2016-10-13 5:25 ` EXT: " Han, Nandor (GE Healthcare)
2016-10-13 5:38 ` Mika Penttilä [this message]
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