[alsa-devel] [PATCH 1/2] ASoC: pcm512x: Implement the set_bclk_ratio interface

[Mark Brown]

On Sat, Jan 26, 2019 at 09:00:09PM +0200, Dimitris Papavasiliou wrote:
> On 1/26/19 8:48 PM, Peter Rosin wrote:

> > ratio == 0 should also generate -EINVAL.

> Sorry, I forgot to mention in the notes, that I allowed setting a
> zero ratio on purpose, in order to allow "unsetting" the bclk
> ratio (since it only takes effect if it is positive).  I'm not
> sure if it will ever be necessary to do that in practice, but I
> thought I'd allow it, since it has a valid effect.

This is fairly idiomatic for ASoC FWIW.
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