[LAD] MidiSport vs. UA25

Dave Phillips dlphillips at woh.rr.com
Fri Sep 25 14:09:14 UTC 2009

Clemens Ladisch wrote:
> Dave Phillips wrote:
>>     wMaxPacketSize     0x0020  1x 32 bytes
>> are the same for the MidiSport and the UA25. However, there's a lot of 
>> information from that report. Is there any other particularly relevant 
>> data I should gather from lsusb ?
> No, anything else wouldn't be visible in the descriptors.
> It's possible that the MidiSport's firmware uses some stupid algorithm
> that doesn't put multiple MIDI messages into one USB packet.  In that
> case, using the latest snd-usb-audio driver from ALSA 1.0.21 or the
> upcoming 2.6.32 kernel might help.

I'm more inclined now to replace the MidiSport with another UA25. :)

Thanks for the help, Clemens, I might upgrade ALSA. If I do I'll send a 



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