[alsa-devel] UAC2 defaults to max sampling rate

Clemens Ladisch clemens at ladisch.de
Wed May 23 11:18:10 CEST 2012

adelias wrote:
> I'm running ALSA 1.0.23 and kernel 2.6.37 on ARM. The UAC2 audio device
> is the XMOS reference board.
> This is what I'm observing. As soon as the XMOS board is plugged in to
> the USB port, the display on my DAC indicates that is has locked at
> 192kHz which is the maximum sampling rate supported by the XMOS.

This is an as-yet unfixed bug in the driver.
(The usb_set_interface call in snd_usb_add_endpoint is completely


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