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Old 10-18-2007, 06:09 PM   #1
mjkelly93
LQ Newbie
 
Registered: Jul 2005
Location: Shenandoah PA
Distribution: Ubuntu 5.10
Posts: 26

Rep: Reputation: 15
Angry USB sound card not detected by ALSA but is by lsusb, using alsa 1.0.15


Ive been searching now for 2 days on how to get this thing working.

The device is located by lsusb but is not detected by ALSA. I'm going to post some outputs then go through what ive tried.

$ lsusb
Bus 005 Device 004: ID 0bda:8187 Realtek Semiconductor Corp.
Bus 005 Device 001: ID 0000:0000
Bus 004 Device 001: ID 0000:0000
Bus 002 Device 005: ID 046d:c51b Logitech, Inc.
Bus 002 Device 004: ID 0c45:1677 Microdia
Bus 002 Device 001: ID 0000:0000
Bus 001 Device 001: ID 0000:0000
Bus 003 Device 001: ID 0000:0000

------------ Microdia is the card btw.

$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: Intel [HDA Intel], device 6: Si3054 Modem [Si3054 Modem]
Subdevices: 1/1
Subdevice #0: subdevice #0

Heres from the dmesg that seemed like the relevant part:

[ 18.288000] ALSA /home/homeslice/Alsa/alsa-driver-1.0.15/acore/init.c:138: cannot find the slot for index 0 (range 0-0), error: -16
[ 18.288000] ALSA /home/homeslice/Alsa/alsa-driver-1.0.15/usb/usbaudio.c:3466: cannot create card instance 0
[ 18.288000] snd-usb-audio: probe of 2-1:1.0 failed with error -5
[ 18.288000] usbcore: registered new interface driver snd-usb-audio
[ 18.288000] usbcore: registered new interface driver rtl8187




Im not sure what else to include here. If anyone has any questions id be happy to get any other information. I am using ALSA 1.0.15 after reading that the newest version might get the item to work. Here is the card i bought http://www.newegg.com/Product/Produc...82E16829126101
In the customer comments, someone there says they recently got the item to work after installing the 1.0.15rc3 version from source so i assumed when i installed the 1.0.15 that should cover that. So the card is installed and detected and by pressing the volume up and down buttons on the device actually ups and lowers the ubuntu volume. Alsa just wont recognize it as a sound card. I have hope that it CAN work bc of the comment on newegg that said someone got it working on ubuntu. Any advice?

BTW im using Ubuntu 7.04 2.6.20-16-generic

Thanks,
Marty
 
Old 10-20-2007, 10:23 AM   #2
Peacedog
LQ Guru
 
Registered: Sep 2003
Location: Danville, VA
Distribution: Slackware, Windows, FreeBSD, OpenBSD, Mac OS X
Posts: 5,294

Rep: Reputation: 168Reputation: 168
Hi mjkelly93, It appears as if this is a current bug being addressed. You might try to distinguish the two cards by adding this to your modprobe.conf.
Code:
alias snd-card-0 snd-hda-intel
alias snd-card-1 snd-usb-audio
Good luck. ;-)
 
  


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