From: Clemens Ladisch <clemens@ladisch.de>
To: Cyrus Vafadari <cyrusv@mit.edu>
Cc: alsa-devel@alsa-project.org
Subject: Re: CONFIG_SND_DYNAMIC_MINORS
Date: Fri, 02 Dec 2011 09:57:35 +0100 [thread overview]
Message-ID: <4ED892FF.2090505@ladisch.de> (raw)
In-Reply-To: <CAMd+_QD-ToD2yf9KnMkchmdMzwQa=2c2MpaKhcz-cMQqVaBocA@mail.gmail.com>
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
prev parent reply other threads:[~2011-12-02 8:55 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-01 18:21 CONFIG_SND_DYNAMIC_MINORS Cyrus Vafadari
2011-12-02 8:57 ` Clemens Ladisch [this message]
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