snd_uaudio with libusb ?

[Chuck T.]

I have a Linux application that talks to an USB audio dongle that I'm trying to port to FreeBSD.  I have no problem with the audio portion, but I'm also trying to use libusb to access the GPIO bits on the chip.  If I don't load snd_uaudio /dev/ugen shows up and libusb works fine and I can access the GPIO.  However when the sound driver is loaded ugen doesn't bind to the device so libusb can't talk to it.  I need simultaneous access to the GPIO and audio functions, either or isn't acceptable.  The GPIO bits I need are not supported by HID so that's not an option.

Can anyone suggest a solution? 

Thanks!


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