From mboxrd@z Thu Jan  1 00:00:00 1970
From: Clemens Ladisch <clemens@ladisch.de>
Subject: Re: Getting stable PCM device id
Date: Wed, 08 Jul 2015 18:23:57 +0200
Message-ID: <559D4E9D.5010900@ladisch.de>
References: <CAP737oJhCD_20qobOBZYfy60e0mXEjO9OP8hmxb3J5bod=ZDvw@mail.gmail.com>
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To: Alexandre Bique <bique.alexandre@gmail.com>, alsa-devel@alsa-project.org
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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