USB sound driver status was diffrent from 8-current and 7.2-RELEASE

[MIHIRA Sanpei Yoshiro]

>Try turning on debugging before plugging your device.
>
>sysctl hw.usb.uaudio.debug=15
>sysctl hw.usb2.uaudio.debug=15
>
>Also see the other uaudio sysctls.

sysctl -a | grep uaudio

hw.usb2.uaudio.default_channels: 2
hw.usb2.uaudio.default_bits: 32
hw.usb2.uaudio.default_rate: 96000
hw.usb2.uaudio.debug: 15
dev.uaudio.0.%desc: ABC product 0x0006, class 0/0, rev 1.10/0.10, addr 2
dev.uaudio.0.%driver: uaudio
dev.uaudio.0.%location: port=4 interface=0
dev.uaudio.0.%pnpinfo: vendor=0x0d8c product=0x0006 devclass=0x00 devsubclass=0x00 sernum="" intclass=0x01 intsubclass=0x01
dev.uaudio.0.%parent: uhub0
dev.pcm.0.%parent: uaudio0

dmesg is below URL
http://www3.sanpei.org/~sanpei/tmp/uaudio-8-current

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MIHIRA, Sanpei Yoshiro
Tokyo, Japan.