Hi,

The following patch, on top of the patches I submitted yesterday,
prevents a ghost midi device to be created on cards with only one midi
I/O (Multiface and HDSP9632).
It closes the ALSA bug #0000286.

Thomas

ChangeLog:
* Prevents the creation of a second midi device for cards with only
  one midi I/O

Signed-off-by: Thomas Charbonnel <thomas@undata.org>