[alsa-devel] CONFIG_SND_DYNAMIC_MINORS
Clemens Ladisch
clemens at ladisch.de
Fri Dec 2 09:57:35 CET 2011
Cyrus Vafadari wrote:
> How can I check if CONFIG_SND_DYNAMIC_MINORS is enabled,
Look into the .config file in your kernel source tree.
> I've been having a lot of trouble assigning 10 USB soundcards, and it's
> been doing fishy things when I change who's plugged in to which usb hub.
It's not easy to distinguish devices that do not have a serial number.
> ALSA recognizes all the cards,
This implies CONFIG_SND_DYNAMIC_MINORS is enabled.
> but some of the hw:x,y plays through the default hw:0,0.
You mean, to the wrong device?
How did you test this?
Check that the minor numbers in /proc/asound/devices match the actual
minor numbers in /dev/snd/.
Regards,
Clemens
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