zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/os/linux/linux-3.4.x/drivers/usb/serial/hp4x.c b/ap/os/linux/linux-3.4.x/drivers/usb/serial/hp4x.c
new file mode 100644
index 0000000..2563e788
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/drivers/usb/serial/hp4x.c
@@ -0,0 +1,63 @@
+/*
+ * HP4x Calculators Serial USB driver
+ *
+ * Copyright (C) 2005 Arthur Huillet (ahuillet@users.sf.net)
+ * Copyright (C) 2001-2005 Greg Kroah-Hartman (greg@kroah.com)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * See Documentation/usb/usb-serial.txt for more information on using this
+ * driver
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/tty.h>
+#include <linux/module.h>
+#include <linux/usb.h>
+#include <linux/usb/serial.h>
+
+/*
+ * Version Information
+ */
+#define DRIVER_VERSION "v1.00"
+#define DRIVER_DESC "HP4x (48/49) Generic Serial driver"
+
+#define HP_VENDOR_ID 0x03f0
+#define HP49GP_PRODUCT_ID 0x0121
+
+static const struct usb_device_id id_table[] = {
+ { USB_DEVICE(HP_VENDOR_ID, HP49GP_PRODUCT_ID) },
+ { } /* Terminating entry */
+};
+
+MODULE_DEVICE_TABLE(usb, id_table);
+
+static struct usb_driver hp49gp_driver = {
+ .name = "hp4X",
+ .probe = usb_serial_probe,
+ .disconnect = usb_serial_disconnect,
+ .id_table = id_table,
+};
+
+static struct usb_serial_driver hp49gp_device = {
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = "hp4X",
+ },
+ .id_table = id_table,
+ .num_ports = 1,
+};
+
+static struct usb_serial_driver * const serial_drivers[] = {
+ &hp49gp_device, NULL
+};
+
+module_usb_serial_driver(hp49gp_driver, serial_drivers);
+
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_VERSION(DRIVER_VERSION);
+MODULE_LICENSE("GPL");