noise issues when recording sound on i.MX28

[Fabio Estevam]

Hi Uwe,

On Wed, Feb 10, 2016 at 1:03 PM, Uwe Kleine-König
<u.kleine-koenig at pengutronix.de> wrote:
> Hello Fabio,
>
> On Tue, Feb 02, 2016 at 11:00:33AM -0200, Fabio Estevam wrote:
>> On Wed, Jan 27, 2016 at 12:43 PM, Uwe Kleine-König
>> <u.kleine-koenig at pengutronix.de> wrote:
>>
>> > So you didn't hit the problem that resetting a saif didn't work, right?
>>
>> No, we haven't seen this reset issue.
>>
>> > Do you have a few more technical details here? A usecase of my machine
>>
>> Let me find out as it has been several years I worked on this problem.
>> Will let you know.
>
> Anything new on your end? I know from Lothar that he invested quite some
> time to debug his hardware setup, tested the codec instead of the i.MX28
> as clock provider and several more things. I also spend some time on
> this issue and we both hope that Freescale/NXP can help in better
> understanding the issue and hopefully can come up with a recipe to make
> concurrent recording and playback on i.MX28 work.
>
> Lothar is in contact with Freescale, too, but up to now with little
> success. The company I'm working for at the moment would also welcome a
> solution here.

Sorry for the delay. I have been on holidays.

Can you confirm you have both SAIF interfaces being clocked from ref_pll?