staging: line6: Filter on UX2 interfaces

The driver only supports interface 0 of the TonePort UX2 and POD Studio
UX2 devices.  Use the device table to filter on this.

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 8b03bc03d4d083a9dd5aefd7f9c5219cdfe44934..f04ff800a00928ae3312c7b4a9db19c1cabef1f3 100644 (file)
--- a/drivers/staging/line6/driver.c
+++ b/drivers/staging/line6/driver.c
@@ -46,14 +46,14 @@ static const struct usb_device_id line6_id_table[] = {
        { 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 },
+       { LINE6_IF_NUM(0x4151, 0), .driver_info = LINE6_PODSTUDIO_UX2 },
        { LINE6_DEVICE(0x5044),    .driver_info = LINE6_PODXT },
        { LINE6_IF_NUM(0x4650, 0), .driver_info = LINE6_PODXTLIVE_POD },
        { LINE6_IF_NUM(0x4650, 1), .driver_info = LINE6_PODXTLIVE_VARIAX },
        { LINE6_DEVICE(0x5050),    .driver_info = LINE6_PODXTPRO },
        { LINE6_DEVICE(0x4147),    .driver_info = LINE6_TONEPORT_GX },
        { LINE6_DEVICE(0x4141),    .driver_info = LINE6_TONEPORT_UX1 },
-       { LINE6_DEVICE(0x4142),    .driver_info = LINE6_TONEPORT_UX2 },
+       { LINE6_IF_NUM(0x4142, 0), .driver_info = LINE6_TONEPORT_UX2 },
        { LINE6_DEVICE(0x534d),    .driver_info = LINE6_VARIAX },
        {}
 };
@@ -768,20 +768,8 @@ static int line6_probe(struct usb_interface *interface,
 
        case LINE6_TONEPORT_UX2:
        case LINE6_PODSTUDIO_UX2:
-               switch (interface_number) {
-               case 0:
-                       /* defaults to 44.1kHz, 16-bit */
-                       alternate = 2;
-                       break;
-               case 1:
-                       /* don't know yet what this is ...
-                          alternate = 1;
-                          break;
-                        */
-                       return -ENODEV;
-               default:
-                       MISSING_CASE;
-               }
+               /* defaults to 44.1kHz, 16-bit */
+               alternate = 2;
                break;
 
        default: