Re: [Alsa-user] XMOS multichannel ref. design board - Any success stories?

[Daniel M. <zo...@gm...>]

On 11/04/2013 12:47 AM, Michal Šmucr wrote:
> Hello to all,
> 
> i would like to ask you for any experience with snd-usb-audio module
> and this board:
> http://www.xmos.com/products/reference-designs/multichannel

This is the multichannel version of the device I used to originally
write the UAC2 support for snd-usb-audio. The multichannel version
should work just as well.

> Friends had some issues, basically can't set hw params and initiate
> playback, with this interface and i would like to help them.

Please post the output of 'lsusb -v', 'aplay -l' and 'arecord -l' with
this device connected.

> So before i'll get my hands on it to do further debugging, i'd like to
> ask other potential users.
>
> I know, there are quite few compatible products and DIY designs based
> on LS-1 chip, but only with stereo SPDIF and I2S I/Os with slightly
> different base firmware by XMOS, but except of one thread on XMOS
> forum i didn't find any information about compatibility with recent
> snd-usb-audio driver.

The driver doesn't know anything about XMOS specifically, but only about
the USB audio protocol v2, which XMOS synthesizes in software.


Daniel