USB speakers with Linux: update

Dominic Bonfiglio dominicbonfiglio-Mmb7MZpHnFY at public.gmane.org
Mon Jan 9 16:39:59 UTC 2006



Lennart Sorensen wrote:
> On Mon, Jan 09, 2006 at 11:12:51AM -0500, Dominic Bonfiglio wrote:
>   
>> This is what I find under /proc/asound/cards:
>>     
>>>> # ls -l /proc/asound/cards
>>>> -r--r--r-- 1 root root 0 Jan 9 11:06 /proc/asound/cards
>>>>         
>> This is what I find under /proc/asound/card0:
>>
>> # ls -l /proc/asound/card0
>> total 0
>> dr-xr-xr-x  9 root root 0 Jan  9 11:03 .
>> dr-xr-xr-x  5 root root 0 Jan  9 11:03 ..
>> dr-xr-xr-x  2 root root 0 Jan  9 11:05 codec97#0
>> -r--r--r--  1 root root 0 Jan  9 11:05 id
>> -r--r--r--  1 root root 0 Jan  9 11:05 intel8x0
>> -rw-r--r--  1 root root 0 Jan  9 11:05 oss_mixer
>> dr-xr-xr-x  3 root root 0 Jan  9 11:03 pcm0c
>> dr-xr-xr-x  3 root root 0 Jan  9 11:03 pcm0p
>> dr-xr-xr-x  3 root root 0 Jan  9 11:03 pcm1c
>> dr-xr-xr-x  3 root root 0 Jan  9 11:03 pcm2c
>> dr-xr-xr-x  3 root root 0 Jan  9 11:03 pcm3c
>> dr-xr-xr-x  3 root root 0 Jan  9 11:03 pcm4p
>>
>> When I just check under /proc/asound/ only the following files are blue: 
>> I82801DBICH4 -> card0; card0; oss; and seq
>>     
>
> 'cat /proc/asound/cards' lists the currently recognized cards.
>
>   
>> Again, I am still novice, so apologies for not knowing how to interpret 
>> this information....
>>     
>
> Well that certainly looks like an intel i810 sound chip.A
>
> Do you have the module snd-usb-audio loaded at boot?
>
> What does 'aplay -l' list for available devices for playback?
>
> Len Sorensen
> --
> ------------------------------------------------
>   
Here is what I get using  'cat /proc/asound/cards':

0 [I82801DBICH4   ]: ICH4 - Intel 82801DB-ICH4
                     Intel 82801DB-ICH4 with STAC9750,51 at 0xf0080400, 
irq 5

This is what 'aplay -l' gives me:

**** List of PLAYBACK Hardware Devices ****
card 0: I82801DBICH4 [Intel 82801DB-ICH4], device 0: Intel ICH [Intel 
82801DB-ICH4]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: I82801DBICH4 [Intel 82801DB-ICH4], device 4: Intel ICH - IEC958 
[Intel 82801DB-ICH4 - IEC958]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

When I check under /dev/snd/ I do not find an entry for usb-audio, so I 
assume this means that the snd-usb-audio module is not loading at boot. 
Is this the problem?

Thanks for your help, Len,

Dominic

>
>   

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