--- zzzz-none-000/linux-3.10.107/sound/usb/caiaq/device.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/sound/usb/caiaq/device.h	2021-02-04 17:41:59.000000000 +0000
@@ -128,5 +128,10 @@
 			       unsigned char command,
 			       const unsigned char *buffer,
 			       int len);
+int snd_usb_caiaq_send_command_bank(struct snd_usb_caiaqdev *cdev,
+			       unsigned char command,
+			       unsigned char bank,
+			       const unsigned char *buffer,
+			       int len);
 
 #endif /* CAIAQ_DEVICE_H */