[alsa-devel] Getting stable PCM device id

Clemens Ladisch clemens at ladisch.de
Wed Jul 8 18:23:57 CEST 2015


Alexandre Bique wrote:
> I wonder how to get a PCM identifier that would be stable if you
> reboot or plug/unplug sound cards in a random order.
>
> I'm not an expert in hardware ids, yet I imagine that we could use the
> hardware serial number or equivalent?

The most detailed identification is likely to show up in the card's longname.


Regards,
Clemens


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