[pulseaudio-discuss] udev detection for 1 card with multiple devices

abraham duenas aduejazz at gmail.com
Mon Sep 27 10:12:03 PDT 2010

Hi all,

I have this sound card with several hw devices attached, this is, it's only
one card but I can configure/route all its numerous pcm/hw devices to have
different sink/sources. For saying something I have hw:0,0 for
playback/capture, on hw:0,1 only capture, hw:0,2 again for playback/capture,
on hw:0,3 hdmi and so on. I've configured this card in the past using
module-alsa-sink/source for each hw device and it works pretty fine.
Recently I tried to use the udev module instead of module-alsa-sink/source
but only the first hw device is recognized (hw:0,0) correctly for
playback/capture... I'm wondering if this is the intended way (only first
available device will be used) or it should also be capable of detecting the
other devices or I need to do something else (like writing udev-rule?) but
i'm no expert on udev stuff...
FWIW I can see that all hw devices are correctly listed in /dev/snd
directory... (I have /dev/snd/controlC0 and all of the /dev/snd/pcmC0D*

Any ideas or help will be appreciated!

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