Like Dan Star (see recent posts), I'm trying to get the Edirol UA-1EX
USB card to work and having no luck. I bought it because I read the
Alsa Soundcard Matrix as saying that it was supported.
This is on a laptop with an onboard Intel soundcard, so I have
this in a file in /etc/modprobe.d/:
----------------------------------------------------------------------
alias sound-service-0-0 snd-mixer-oss
alias sound-service-0-1 snd-seq-oss
alias sound-service-0-3 snd-pcm-oss
alias sound-service-0-8 snd-seq-oss
alias sound-service-0-12 snd-pcm-oss
alias snd-card-0 snd-usb-audio
options snd-usb-audio index=0
alias /dev/dsp snd-pcm-oss
alias snd-slot-0 snd-card-0
alias sound-slot-0 snd-slot-0
alias sound-service-1-0 snd-mixer-oss
alias sound-service-1-1 snd-seq-oss
alias sound-service-1-3 snd-pcm-oss
alias sound-service-1-8 snd-seq-oss
alias sound-service-1-12 snd-pcm-oss
alias snd-card-1 snd-intel8x0
options snd-intel8x0 index=1
alias /dev/dsp1 snd-pcm-oss
alias snd-slot-1 snd-card-1
alias sound-slot-1 snd-slot-1
----------------------------------------------------------------------
Which I think should define the USB card as card 0 and the onboard
Intel card as card 1. In ~/.asoundrc, I have:
defaults.pcm.card 0
which I think should make the USB card (card 0) the default. This
setup all works fine with my other USB card (a simple Bitkeeper).
When I plug the Edirol in, the usb subsystem recognizes it, but only
partially.
/proc/bus/usb/devices contains:
----------------------------------------------------------------------
T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 6 Spd=12 MxCh= 0
D: Ver= 1.10 Cls=ff(vend.) Sub=00 Prot=ff MxPS= 8 #Cfgs= 1
P: Vendor=0582 ProdID=0096 Rev= 1.00
S: Manufacturer=EDIROL
S: Product=UA-1EX
C:* #Ifs= 2 Cfg#= 1 Atr=80 MxPwr=200mA
I: If#= 0 Alt= 0 #EPs= 0 Cls=ff(vend.) Sub=02 Prot=00 Driver=(none)
I: If#= 0 Alt= 1 #EPs= 1 Cls=ff(vend.) Sub=02 Prot=00 Driver=(none)
E: Ad=01(O) Atr=09(Isoc) MxPS= 288 Ivl=1ms
I: If#= 1 Alt= 0 #EPs= 0 Cls=ff(vend.) Sub=02 Prot=00 Driver=(none)
I: If#= 1 Alt= 1 #EPs= 1 Cls=ff(vend.) Sub=02 Prot=00 Driver=(none)
E: Ad=82(I) Atr=05(Isoc) MxPS= 288 Ivl=1ms
----------------------------------------------------------------------
That is, the usb subsystem correctly identifies the Manufacturer and
the Product, but it doesn't seem to recognize the thing as an audio
device, and therefore it doesn't know what driver to load.
Manually loading the snd_usb_audio module at this point doesn't do any
good (unsurprisingly).
Equally unsurprising then is the fact that the card is not identified
by Alsa. After plugging in the Edirol, /proc/asound/cards has only
card 1:
1 [I82801BAICH2 ]: ICH - Intel 82801BA-ICH2
Intel 82801BA-ICH2 with ALC200,200P at 0xe000, irq 5
So I suppose the core problem lies with the usb subsystem rather than with
alsa itself? The kernel in question is 2.6.18.1. with alsa 1.0.12rc1.
Am I missing something obvious here? Any advice or pointers would be
greatly appreciated,
Jim
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