I-O DATA GV-USB2 を Linux で使いたい

I-O DATA GV-USB2 を Fedora 14 のマシンに接続してみた.

snd-usb-audio としては認識されたが, 映像は取りこめなさそう. これに労力をつぎ込みたくはないので諦めた.

dmesg の結果:

[ 3438.892061] usb 2-1.2: new high speed USB device using ehci_hcd and address 3
[ 3439.008484] usb 2-1.2: New USB device found, idVendor=04bb, idProduct=0532
[ 3439.008491] usb 2-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=10
[ 3439.008496] usb 2-1.2: Product: I-O DATA GV-USB2
[ 3439.008499] usb 2-1.2: Manufacturer: I-O DATA
[ 3439.008502] usb 2-1.2: SerialNumber: 000000000000001
[ 3439.510572] ALSA sound/usb/clock.c:219: 3:2:1: endpoint lacks sample rate attribute bit, cannot set.
[ 3439.511184] usbcore: registered new interface driver snd-usb-audio

/proc/bus/usb/devicesの一部:

T:  Bus=02 Lev=02 Prnt=02 Port=01 Cnt=01 Dev#=  3 Spd=480 MxCh= 0
D:  Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
P:  Vendor=04bb ProdID=0532 Rev= 0.05
S:  Manufacturer=I-O DATA
S:  Product=I-O DATA GV-USB2
S:  SerialNumber=000000000000001
C:* #Ifs= 3 Cfg#= 1 Atr=80 MxPwr=500mA
I:* If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=(none)
E:  Ad=81(I) Atr=03(Int.) MxPS=   0 Ivl=2ms
E:  Ad=82(I) Atr=01(Isoc) MxPS=   0 Ivl=125us
I:  If#= 0 Alt= 1 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=(none)
E:  Ad=81(I) Atr=03(Int.) MxPS=   2 Ivl=2ms
E:  Ad=82(I) Atr=01(Isoc) MxPS= 768 Ivl=125us
I:  If#= 0 Alt= 2 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=(none)
E:  Ad=81(I) Atr=03(Int.) MxPS=   2 Ivl=2ms
E:  Ad=82(I) Atr=01(Isoc) MxPS=1020 Ivl=125us
I:  If#= 0 Alt= 3 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=(none)
E:  Ad=81(I) Atr=03(Int.) MxPS=   2 Ivl=2ms
E:  Ad=82(I) Atr=01(Isoc) MxPS=1024 Ivl=125us
I:  If#= 0 Alt= 4 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=(none)
E:  Ad=81(I) Atr=03(Int.) MxPS=   2 Ivl=2ms
E:  Ad=82(I) Atr=01(Isoc) MxPS=2048 Ivl=125us
I:  If#= 0 Alt= 5 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=(none)
E:  Ad=81(I) Atr=03(Int.) MxPS=   2 Ivl=2ms
E:  Ad=82(I) Atr=01(Isoc) MxPS=3072 Ivl=125us
I:* If#= 1 Alt= 0 #EPs= 0 Cls=01(audio) Sub=01 Prot=00 Driver=snd-usb-audio
I:* If#= 2 Alt= 0 #EPs= 1 Cls=01(audio) Sub=02 Prot=00 Driver=snd-usb-audio
E:  Ad=84(I) Atr=05(Isoc) MxPS=   0 Ivl=125us
I:  If#= 2 Alt= 1 #EPs= 1 Cls=01(audio) Sub=02 Prot=00 Driver=snd-usb-audio
E:  Ad=84(I) Atr=05(Isoc) MxPS= 256 Ivl=1ms