USB speakers with Linux: update

[Lennart Sorensen]

On Mon, Jan 09, 2006 at 11:58:54AM -0500, Dominic Bonfiglio wrote:
> Ok, forget the last above comment. My mistake---usb-audio is a module, 
> it is not in /dev/snd. I found it under 
> /lib/modules/2.6.13-15.7-default/kernel/sound/usb. When I type in the 
> command 'ls -l /lib/modules/2.6.13-15.7-default/kernel/sound/usb' I get:
> 
> total 136
> drwxr-xr-x   3 root root  4096 Dec  7 19:32 .
> drwxr-xr-x  11 root root  4096 Dec  7 19:32 ..
> -rw-r--r--   1 root root 98896 Nov 29 16:54 snd-usb-audio.ko
> -rw-r--r--   1 root root 19864 Nov 29 16:54 snd-usb-lib.ko
> drwxr-xr-x   2 root root  4096 Dec  7 19:32 usx2y
> 
> 'usx2y" is blue; snd-usb-audio.ko and snd-usb-lib.ko are black.

So usx2y is a directory and the other two are files.  Doesn't mean much.

Try doing 'modprobe snd-usb-audio' then check /proc/asound/cards and
aplay -l

Assuming the speakers are connected and on.

Also make sure 'audio' module is NOT loaded.  That is the old OSS driver
for usb devices.  'lsmod|grep audio' and 'lsmod|grep snd' would be
handy.

Len Sorensen
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