[alsa-devel] usb- interface - HID type

Daniel Mack daniel at caiaq.de
Mon Nov 30 09:19:20 CET 2009

On Mon, Nov 30, 2009 at 10:38:21AM +0530, M R Swami Reddy wrote:
> I have a sound card with I2C/PCM interface supported. I am in the 
> process of evaluate
> the same using USB interface with HID interface class (ie 
> bInterfaceClass ->3 Human Interface Device).
> Could you please suggest, if the usb interface HID class could be used 
> for sending Audio and PCM
> signals?

As of the USB logic, the ALSA driver should grab the audio interface
while at the same time, the HID driver uses the other interface.
Assuming that both interfaces are in the same USB config.


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