sound: usb: make the USB MIDI module more independent

Remove the dependecy from the USB MIDI code on the snd_usb_audio
structure.  This allows using the USB MIDI module from another driver
without having to pretend to be the generic USB audio driver.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 1 insertions, 0 deletions

diff --git a/sound/usb/usx2y/us122l.h b/sound/usb/usx2y/us122l.h
index 3d10c4b2a0f5..61ce5d7de0b9 100644
--- a/sound/usb/usx2y/us122l.h
+++ b/sound/usb/usx2y/us122l.h
@@ -12,6 +12,7 @@ struct us122l {
         unsigned                second_periods_polled;
         struct file             *master;
         struct file             *slave;
+        struct list_head        midi_list;
 
         atomic_t                mmap_count;
 };