--- linux-3.7.1/drivers/usb/class/cdc-acm.c.orig	2012-12-18 18:41:52.218652192 +0600
+++ linux-3.7.1/drivers/usb/class/cdc-acm.c	2012-12-18 18:42:08.062750137 +0600
@@ -1602,6 +1602,9 @@ static const struct usb_device_id acm_id
 	{ USB_DEVICE(0x0572, 0x1340), /* Conexant CX93010-2x UCMxx */
 	.driver_info = NO_UNION_NORMAL,
 	},
+	{ USB_DEVICE(0x05f9, 0x4002), /* PSC Scanning, Magellan 800i */
+	.driver_info = NO_UNION_NORMAL,
+	},
 	{ USB_DEVICE(0x1bbb, 0x0003), /* Alcatel OT-I650 */
 	.driver_info = NO_UNION_NORMAL, /* reports zero length descriptor */
 	},