USB: option: Added support for Samsung GT-B3730/GT-B3710 LTE USB modem.

Bind only modem AT command endpoint to option.

Signed-off-by: Marius B. Kotsbak <marius@kotsbak.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 75c7f45..d77ff04 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -407,6 +407,10 @@
 /* ONDA MT825UP HSDPA 14.2 modem */
 #define ONDA_MT825UP         0x000b
 
+/* Samsung products */
+#define SAMSUNG_VENDOR_ID                       0x04e8
+#define SAMSUNG_PRODUCT_GT_B3730                0x6889
+
 /* some devices interfaces need special handling due to a number of reasons */
 enum option_blacklist_reason {
 		OPTION_BLACKLIST_NONE = 0,
@@ -968,6 +972,7 @@
 	{ USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD100) },
 	{ USB_DEVICE(CELOT_VENDOR_ID, CELOT_PRODUCT_CT680M) }, /* CT-650 CDMA 450 1xEVDO modem */
 	{ USB_DEVICE(ONDA_VENDOR_ID, ONDA_MT825UP) }, /* ONDA MT825UP modem */
+	{ USB_DEVICE_AND_INTERFACE_INFO(SAMSUNG_VENDOR_ID, SAMSUNG_PRODUCT_GT_B3730, USB_CLASS_CDC_DATA, 0x00, 0x00) }, /* Samsung GT-B3730/GT-B3710 LTE USB modem.*/
 	{ } /* Terminating entry */
 };
 MODULE_DEVICE_TABLE(usb, option_ids);