linux-kernel - Re: regression, imx6 and sgtl5000 sound problems

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Message-ID: <cb688eae-0438-3c6f-47cc-86b2a1f88de0@nextfour.com>
Date:   Fri, 6 Apr 2018 11:13:47 +0300
From:   Mika Penttilä <mika.penttila@...tfour.com>
To:     Nicolin Chen <nicoleotsuka@...il.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Fabio Estevam <fabio.estevam@....com>, Xiubo.Lee@...il.com
Subject: Re: regression, imx6 and sgtl5000 sound problems

On 04/06/2018 10:23 AM, Nicolin Chen wrote:
> On Fri, Apr 06, 2018 at 07:46:37AM +0300, Mika Penttilä wrote:
>>
>> With recent merge to pre 4.17-rc, audio stopped workin (or it's hearable but way too slow).
>> imx6q + sgtl5000 codec.
> 
> Could you please be more specific at your test cases?
> 
> Which board? Whose is the DAI master? Which sample rate?
> 
>> Maybe some of the soc/fsl changes is causing this.
> 
> There are quite a few clean-up patches of SSI driver being merged.
> Would you please try to revert/bisect the changes of fsl_ssi driver
> so as to figure out which one breaks your test cases?
> 
> If there is a regression because of one of the changes, I will need
> to fix it.
> 
> Thanks
> Nicolin
> 

Hi,

We have a custom board (very near to Karo tx evkit). The test is simply aplay file.wav, at least sample rate 48kHz tested
and not working. Nothing special there hw wise.

I try to bisect it and report back to you.

--Mika