Hallo,
thank you very much for your answer, clemens.
On Friday, November 24, 2006 11:54 Clemens Ladisch wrote:
> Carsten Beth wrote:
> > 1) I found that there is a newer audio device class defined, the
> > "Universal Serial Bus Device Class Definition for Audio Devices",
> > Release 2.0, May 31, 2006.
>
> I've never heard of this release 2.0 before.
>
> > Are there plans to support this device class in the kernel in the near
> > future?
>
> I'm planning to implement this after I've read the spec and when I have
> time.
This sounds good! If I can support you with something, please ask me.
> > 2) Is it possible to implement a audio class V1.0 device with high
> > speed capabilities?
>
> The 1.0 spec doesn't say anything about high speed. Other drivers
> might get confused, but the Linux USB audio driver _does_ support high
> speed transfers.
>
> The only known device where this is used is the Audigy 2 NX. It avoids
> problems with generic drivers by switching from full speed to high
> speed only after receiving a vendor-specific command.
Do I understand it right: the Audigy enumerates first as a full-speed device,
and after receiving a vendor-specific command it re-enumerates as a
high-speed device? Or are there two different configurations? Are you sure
that the card is running in the high-speed mode (not in the full-speed) with
the generic driver?
Do anybody know where I can buy the card? Obviously it isn't available
(anymore).
Regards,
Carsten
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