ALSA: fireface: add helper function to parse MIDI messages transmitted by Fireface 400

This is minor code refactoring to add helper function to parse MIDI message
bytes in quadlet message.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Link: https://lore.kernel.org/r/20230112120954.500692-4-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Sakamoto 2023-01-12 21:09:51 +09:00 • committed by Takashi Iwai
commit aed713bfae