[OpenIndiana-discuss] USB audio input support in OpenIndiana

James Carlson carlsonj at workingcode.com
Mon Mar 5 12:57:50 UTC 2012


Dave Koelmeyer wrote:
> Anyone?

"It depends."

The usb_as and usb_ac drivers generally handle USB audio streaming input
and output devices.  But not all hardware devices implement the
standards properly or are bound by a driver.

If you're finding that plugging in this device doesn't result in a new
audio device being plumbed, then that's probably an existence proof that
it's not one of those standard devices.  I wouldn't be surprised to find
that a webcam with microphone has a non-standard class.

You should be able to find the device by wading through the "prtpicl -v"
output or in the syslog messages.  A key clue is seeing "usb_mid"
attaching to the device when it's inserted.  That means that no standard
class driver works on that device, and you're getting the "generic"
driver that allows user-space implementations.

-- 
James Carlson         42.703N 71.076W         <carlsonj at workingcode.com>



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