ALSA: line6: Pass driver name to line6_probe()

Provide a unique name for each driver instead of using "line6usb" for
all of them.  This will allow for different configurations based on the
driver type.

Signed-off-by: Chris Rorvick <chris@rorvick.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/usb/line6/driver.h b/sound/usb/line6/driver.h
index 2276b78..92a662a 100644
--- a/sound/usb/line6/driver.h
+++ b/sound/usb/line6/driver.h
@@ -18,8 +18,6 @@
 
 #include "midi.h"
 
-#define DRIVER_NAME "line6usb"
-
 #define USB_INTERVALS_PER_SECOND 1000
 
 /* Fallback USB interval and max packet size values */
@@ -168,6 +166,7 @@
 
 int line6_probe(struct usb_interface *interface,
 		const struct usb_device_id *id,
+		const char *driver_name,
 		const struct line6_properties *properties,
 		int (*private_init)(struct usb_line6 *, const struct usb_device_id *id),
 		size_t data_size);