Re: [PATCH 01/11] snd: iec958: split status creation and fill

[Maxime Ripard]

Hi,

On Tue, May 25, 2021 at 09:33:49AM +0200, Takashi Iwai wrote:
> On Fri, 07 May 2021 16:03:24 +0200,
> Maxime Ripard wrote:
> > 
> > In some situations, like a codec probe, we need to provide an IEC status
> > default but don't have access to the sampling rate and width yet since
> > no stream has been configured yet.
> > 
> > Each and every driver has its own default, whereas the core iec958 code
> > also has some buried in the snd_pcm_create_iec958_consumer functions.
> > 
> > Let's split these functions in two to provide a default that doesn't
> > rely on the sampling rate and width, and another function to fill them
> > when available.
> > 
> > Signed-off-by: Maxime Ripard <maxime@xxxxxxxxxx>
> 
> The changes look almost good, but please use EXPORT_SYMBOL_GPL() for
> newly introduced symbols.

Ack, I'll change it.

> Also, it'd be worth to mention that some bits update are done only for
> the default values; if a rate value has been already set, it won't be
> overridden by this *_fill_*() call, that's the intentional behavior,
> right?

Sorry, I forgot to put a commit log on the patch 2 that implements this.

My intent was to provide a default in the probe, but if it was ever
overridden, we would return it in the control afterwards and pass it
along to the hw_params (and later prepare) hooks

I'll add a commit message

> Last but not least, the subject prefix should be "ALSA:" in general :)

Ok, I'll change it then

Thanks!
Maxime

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