staging: line6: Split out POD HD500 interfaces

The driver uses a different altsetting depending on the interface.  Add
device type entries for each of these.

Signed-off-by: Chris Rorvick <chris@rorvick.com>
Reviewed-by: Stefan Hajnoczi <stefanha@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/drivers/staging/line6/driver.c b/drivers/staging/line6/driver.c
index cb96029..e97e2cb 100644
--- a/drivers/staging/line6/driver.c
+++ b/drivers/staging/line6/driver.c
@@ -42,7 +42,8 @@
 	{ LINE6_DEVICE(0x5051),    .driver_info = LINE6_POCKETPOD },
 	{ LINE6_DEVICE(0x5057),    .driver_info = LINE6_PODHD300 },
 	{ LINE6_DEVICE(0x5058),    .driver_info = LINE6_PODHD400 },
-	{ LINE6_DEVICE(0x414D),    .driver_info = LINE6_PODHD500 },
+	{ LINE6_IF_NUM(0x414D, 0), .driver_info = LINE6_PODHD500_0 },
+	{ LINE6_IF_NUM(0x414D, 1), .driver_info = LINE6_PODHD500_1 },
 	{ LINE6_DEVICE(0x4153),    .driver_info = LINE6_PODSTUDIO_GX },
 	{ LINE6_DEVICE(0x4150),    .driver_info = LINE6_PODSTUDIO_UX1 },
 	{ LINE6_DEVICE(0x4151),    .driver_info = LINE6_PODSTUDIO_UX2 },
@@ -105,7 +106,14 @@
 				| LINE6_CAP_PCM
 				| LINE6_CAP_HWMON,
 	},
-	[LINE6_PODHD500] = {
+	[LINE6_PODHD500_0] = {
+		.id = "PODHD500",
+		.name = "POD HD500",
+		.capabilities	= LINE6_CAP_CONTROL
+				| LINE6_CAP_PCM
+				| LINE6_CAP_HWMON,
+	},
+	[LINE6_PODHD500_1] = {
 		.id = "PODHD500",
 		.name = "POD HD500",
 		.capabilities	= LINE6_CAP_CONTROL
@@ -451,7 +459,8 @@
 
 		case LINE6_PODHD300:
 		case LINE6_PODHD400:
-		case LINE6_PODHD500:
+		case LINE6_PODHD500_0:
+		case LINE6_PODHD500_1:
 			break; /* let userspace handle MIDI */
 
 		case LINE6_PODXTLIVE_POD:
@@ -740,17 +749,12 @@
 		}
 		break;
 
-	case LINE6_PODHD500:
-		switch (interface_number) {
-		case 0:
-			alternate = 1;
-			break;
-		case 1:
-			alternate = 0;
-			break;
-		default:
-			MISSING_CASE;
-		}
+	case LINE6_PODHD500_0:
+		alternate = 1;
+		break;
+
+	case LINE6_PODHD500_1:
+		alternate = 0;
 		break;
 
 	case LINE6_BASSPODXT:
@@ -819,7 +823,8 @@
 		ep_write = 0x03;
 		break;
 
-	case LINE6_PODHD500:
+	case LINE6_PODHD500_0:
+	case LINE6_PODHD500_1:
 		size = sizeof(struct usb_line6_podhd);
 		ep_read = 0x81;
 		ep_write = 0x01;
@@ -954,7 +959,8 @@
 
 	case LINE6_PODHD300:
 	case LINE6_PODHD400:
-	case LINE6_PODHD500:
+	case LINE6_PODHD500_0:
+	case LINE6_PODHD500_1:
 		ret = line6_podhd_init(interface,
 				       (struct usb_line6_podhd *)line6);
 		break;
@@ -1061,7 +1067,8 @@
 
 		case LINE6_PODHD300:
 		case LINE6_PODHD400:
-		case LINE6_PODHD500:
+		case LINE6_PODHD500_0:
+		case LINE6_PODHD500_1:
 			line6_podhd_disconnect(interface);
 			break;
 
diff --git a/drivers/staging/line6/driver.h b/drivers/staging/line6/driver.h
index 085aa44..9d6b351 100644
--- a/drivers/staging/line6/driver.h
+++ b/drivers/staging/line6/driver.h
@@ -28,7 +28,8 @@
 	LINE6_POCKETPOD,
 	LINE6_PODHD300,
 	LINE6_PODHD400,
-	LINE6_PODHD500,
+	LINE6_PODHD500_0,
+	LINE6_PODHD500_1,
 	LINE6_PODSTUDIO_GX,
 	LINE6_PODSTUDIO_UX1,
 	LINE6_PODSTUDIO_UX2,
diff --git a/drivers/staging/line6/pcm.c b/drivers/staging/line6/pcm.c
index d09d1ea..d8450af 100644
--- a/drivers/staging/line6/pcm.c
+++ b/drivers/staging/line6/pcm.c
@@ -442,7 +442,8 @@
 		ep_write = 0x01;
 		break;
 
-	case LINE6_PODHD500:
+	case LINE6_PODHD500_0:
+	case LINE6_PODHD500_1:
 		ep_read = 0x86;
 		ep_write = 0x02;
 		break;