Re: ASoC Kernel 6.1: Query regarding dynamic dai link/dapm registration during bootup

[Mark Brown <broonie@xxxxxxxxxx>]

On Tue, Oct 29, 2024 at 10:35:08AM +0000, Shalini Manjunatha (Consultant) (QUIC) wrote:

Please fix your mail client to word wrap within paragraphs at something
substantially less than 80 columns.  Doing this makes your messages much
easier to read and reply to.

> 1) can we register sound card twice during bootup, once with limited
> dai links and next with all required ones?

You can certainly register a card driver, then unregister it and
register a new one that binds to the same firmware?

> 2) can we register dai links/dapm dynamically based on use case requriement?
> 3) If it is possible, could you share any reference from any other vendor who is able to achieve the same?.

In theory you should be able to dynamically add controls, but it's not
something people really do at the minute.  You'd have to be careful with
locking and make sure that your userspace can cope with things appearing
dynamically.

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