On Wed, Feb 13, 2013 at 4:49 PM, Clemens Ladisch
<cladisch@xxxxxxxxxxxxxx> wrote:
> Sheldon Hearn wrote:
>> ALSA lib pcm_hw.c:1466:(_snd_pcm_hw_open) Unknown field slaves
>
> The function _snd_pcm_hw_open is the "hw" plugin.
> Apparently, you have changed its definition somewhere.
Ah, I get it now. It's now that I've redefined the hw plugin, it's
that I've redefined my virtual multi-channel device as hw.
And there it was staring me in the face:
pcm.multi {
type multi;
slaves.a.pcm "hw:0,0";
[...]
}
pcm.multi {
type hw;
card 0;
}
The second pcm.multi stanza redefines the device called multi using
the hw plugin. invalidating the configuration statements in the first
stanza.
This was a typo in my adaptation from the example in the
documentation. The second stanza should have been:
ctl.multi {
type hw;
card 0;
}
Thanks for the help, and sorry it took me so long to absorb. :-)
Ciao,
Sheldon.
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