From mboxrd@z Thu Jan  1 00:00:00 1970
From: Clemens Ladisch <clemens@ladisch.de>
Subject: Re: Simple Mixer help
Date: Thu, 30 Apr 2015 16:39:01 +0200
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Bram Bos wrote:
>      const char *card = "hw2"; // just for this example, don't hard-code this!

"hw2" is not the same as "hw:2".

>      const char *selem_name = "PCM"; // for some reason Master didn't work, but PCM does...

This must be the name of a mixer element implemented by the card.
(Some USB devices don't have any.)


Regards,
Clemens