[alsa-devel] lsusb -v for AKAI's new EIE pro interface

[Clemens Ladisch]

Grant Diffey wrote:
> So device is 4 in 4 out with inserts and midi
>
> Composite with 2 interfaces. I can't tell if they're independent midi and
> audio or more essoteric
>
> anyone want to take a punt?
>
>    6.   bDeviceClass          255 Vendor Specific Class
>    7.   bDeviceSubClass       255 Vendor Specific Subclass
>    8.   bDeviceProtocol       255 Vendor Specific Protocol

So far, so bad.

>    38.     Interface Descriptor:
>    51.         bEndpointAddress     0x02  EP 2 OUT
>    53.           Transfer Type            Isochronous
>    61.         bEndpointAddress     0x83  EP 3 IN
>    63.           Transfer Type            Bulk
>    71.         bEndpointAddress     0x04  EP 4 OUT
>    73.           Transfer Type            Bulk

Using bulk endpoints in an interface also used for isochronous
transfers is not supported by the current driver.


Regards,
Clemens