Re: status of usb audio driver

[Patrick Shirkey <pshirkey@boosthardware.com>]

Takashi Iwai wrote:
> At Wed, 12 Jun 2002 23:10:19 +0900,
> Patrick Shirkey wrote:
> 
>>Takashi Iwai wrote:
>>
>>>it's on cvs.  please give a try.
>>>btw, now descriptor proc was removed (one can use lsusb anyway).
>>>instead you'll see formats supported on each stream.
>>>
>>
>>Excellent work. I haven't tested the output yet but will soon. One thing 
>>that isn't correct is that this card has 4 channels. Is it me or does 
>>the following only find 3?
> 
> 
> can you check kernel debug (detection) messages?
> perhaps it skipps an audio stream by some reason.
> 
> 

i have been testing the sound and I am getting playback although at this 
point I can get sound out of hw:2,0 and hw:2,2 they are both the left 
channels. The sound is scratchy but it is there :)

This is from the kernel. It seems to be loading the devices unusually.

-----
#dmesg
devfs_register(unknown): could not append to parent, err: -17
devfs_register(unknown): could not append to parent, err: -17
usb.c: registered new driver snd-usb-audio
ALSA usbaudio.c:1756: adding an output interface 3:0:1
ALSA usbaudio.c:1750: adding an input interface 3:0:2
devfs_register(unknown): could not append to parent, err: -17
devfs_register(unknown): could not append to parent, err: -17
devfs_register(unknown): could not append to parent, err: -17
ALSA usbaudio.c:1756: adding an output interface 3:3:4
ALSA usbaudio.c:1750: adding an input interface 3:3:5
ALSA usbaudio.c:1391: 3:4:1 : non-supported sample bit 1 in 3 bytes
ALSA usbaudio.c:1391: 3:4:3 : non-supported sample bit 1 in 3 bytes
ALSA usbaudio.c:1391: 3:5:1 : non-supported sample bit 1 in 3 bytes
ALSA usbaudio.c:1391: 3:5:3 : non-supported sample bit 1 in 3 bytes
devfs_register(unknown): could not append to parent, err: -17
ALSA usbaudio.c:1756: adding an output interface 3:6:7
ALSA usbaudio.c:1750: adding an input interface 3:6:8
ALSA usbaudio.c:1391: 3:7:1 : non-supported sample bit 1 in 3 bytes
ALSA usbaudio.c:1391: 3:7:3 : non-supported sample bit 1 in 3 bytes
ALSA usbaudio.c:1391: 3:8:1 : non-supported sample bit 1 in 3 bytes
ALSA usbaudio.c:1391: 3:8:3 : non-supported sample bit 1 in 3 bytes
-----
/var/log/messages

Jun 12 23:44:24 mahine kernel: usb.c: registered new driver snd-usb-audio
Jun 12 23:44:24 mahine kernel: ALSA usbaudio.c:1756: adding an output 
interface 3:0:1
Jun 12 23:44:24 mahine kernel: ALSA usbaudio.c:1750: adding an input 
interface 3:0:2
Jun 12 23:44:24 mahine kernel: ALSA usbaudio.c:1756: adding an output 
interface 3:3:4
Jun 12 23:44:24 mahine kernel: ALSA usbaudio.c:1750: adding an input 
interface 3:3:5
Jun 12 23:44:24 mahine kernel: ALSA usbaudio.c:1756: adding an output 
interface 3:6:7
Jun 12 23:44:24 mahine kernel: ALSA usbaudio.c:1750: adding an input 
interface 3:6:8
-----

> Takashi
> 
> 



-- 
Patrick Shirkey - Boost Hardware Ltd.
For the discerning hardware connoisseur
Http://www.boosthardware.com
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