Re: [PATCH] ASoC: wm8524: Remove the constraints of rate

[Mark Brown]

On Fri, Jun 13, 2025 at 11:52:16AM +0800, Shengjiu Wang wrote:

> WM8524 is a codec which can only work in slave mode, the bit clock and
> frame sync clock are from cpu dai, if there is any constraint, the
> constraint should be from cpu dai, no need to add constraint in codec
> side.

No, there is a need here - the constraint is enforcing that the ratio
between the MCLK and sample rate is within spec which is a common
requirement for audio performance.  

> On the other hand, with the constraint of rate in codec requires the
> sysclk to be fixed, which brings unnecessary limitations on sound card
> usage.

A common pattern is to only enforce constraints once a sysclk is
configured.

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