Re: [PATCH] ASoC: fsl: sai: Reduce underrun when stream starts

From: Daniel Baluta
Date: Fri Mar 08 2019 - 11:27:22 EST


On Fri, Mar 8, 2019 at 6:16 PM Fabio Estevam <festevam@xxxxxxxxx> wrote:
>
> Hi Daniel,
>
> On Fri, Mar 8, 2019 at 1:09 PM Daniel Baluta <daniel.baluta@xxxxxxx> wrote:
> >
> > From: Shengjiu Wang <shengjiu.wang@xxxxxxx>
> >
> > Write initial words into SAI FIFO to reduce the underrun
> > error.
>
> Please provide a better explanation.

Hi Fabio,

Fair enough, will try to provide a better description in v2
that will also address your questions below.

>
> Why does performing these writes help?
>
> Also, the commit message says "reduce", so it seems this is a
> workaround instead of a proper fix?