Re: [PATCH] ASoC: mediatek: mt8195: update audio tuner settings

[AngeloGioacchino Del Regno]

Il 27/09/22 17:11, Trevor Wu ha scritto:
> Audio tuner is used to handle clock drift between 26M and APLL domain.
>
> It's expected when abs(chg_cnt) equals to upper bound, tuner updates pcw
> setting automatically, and then abs(chg_cnt) decreases.
> In the stress test, we found abs(chg_cnt) possibly equals to 2 at the
> unexpected timing. This results in wrong pcw updating.
> Finally, abs(chg_cnt) will always be larger than upper bound,
>
> As a result, we update the upper bound to 3 to handle the corner case.
>
> Signed-off-by: Trevor Wu <trevor.wu@xxxxxxxxxxxx>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>