[alsa-devel] usbaudio: Support for USB audio v2.0 devices

adelias adelias at freemail.gr
Tue May 18 09:07:57 CEST 2010

On 4/5/2010 1:48 μμ, Daniel Mack wrote:
> On Mon, May 03, 2010 at 03:49:05PM +0300, adelias wrote:
>> On 27/4/2010 5:06 μμ, Daniel Mack wrote:
>>> What specific configuration are you testing with? As you have such an
>>> evaluation kit, I believe you're also provided with the XMOS development
>>> platform - which firmware did you install to the board?
>>> Daniel
>> Firmware is on 1v2. I'm not getting clicks on OSX 10.6.2 or Windows
>> 7 with the ASIO driver.
> Well, at least for OS X 10.6.2, there are problems in the class driver.
> Do some long-time measurements with inputs and outputs to meet them.
> I would also suggest to try a newer firmware, 1v2 is rather old. If you
> still happen to have problems, let me know and I'll have another look.
> Ironically, things don't work for me anymore currently with the Linux
> master git + sound-2.6. I'm getting XActErrors all over the place, but
> that's most probably not related to the driver itself but some
> regression in the Linux USB stack I believe. Could you try that as well?
> Thanks,
> Daniel

After upgrading XMOS firmware to 1v5, although the board is recognized, 
it no longer functions with alsa. Also needs to be reset before it is
recognized in Windows.

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