[LAD] MidiSport vs. UA25

Clemens Ladisch clemens at ladisch.de
Fri Sep 25 06:50:22 UTC 2009


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.


Best regards,
Clemens



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