--- zzzz-none-000/linux-3.10.107/sound/usb/midi.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/sound/usb/midi.h	2021-02-04 17:41:59.000000000 +0000
@@ -43,8 +43,10 @@
 		       struct usb_interface *iface,
 		       struct list_head *midi_list,
 		       const struct snd_usb_audio_quirk *quirk);
-void snd_usbmidi_input_stop(struct list_head* p);
-void snd_usbmidi_input_start(struct list_head* p);
+void snd_usbmidi_input_stop(struct list_head *p);
+void snd_usbmidi_input_start(struct list_head *p);
 void snd_usbmidi_disconnect(struct list_head *p);
+void snd_usbmidi_suspend(struct list_head *p);
+void snd_usbmidi_resume(struct list_head *p);
 
 #endif /* __USBMIDI_H */