[PATCH] support for USB-to-serial cable from Speed Dragon Multimedia

[Dick Streefland]

The USB data cable for my Samsung GSM phone contains the USB-to-serial
converter chip MS3303H from Speed Dragon Multimedia, Inc. that appears
to be compatible with the PL2303 chip. The following patch adds support
for this chip to the pl2303 driver.

Signed-off-by: Dick Streefland <dick@xxxxxxxxxxxxxx>

--- linux-2.6.16-rc5/drivers/usb/serial/pl2303.c.orig	2006-02-28 22:24:44.000000000 +0100
+++ linux-2.6.16-rc5/drivers/usb/serial/pl2303.c	2006-02-28 22:55:54.000000000 +0100
@@ -77,6 +77,7 @@ static struct usb_device_id id_table [] 
 	{ USB_DEVICE(CA_42_CA42_VENDOR_ID, CA_42_CA42_PRODUCT_ID) },
 	{ USB_DEVICE(SAGEM_VENDOR_ID, SAGEM_PRODUCT_ID) },
 	{ USB_DEVICE(LEADTEK_VENDOR_ID, LEADTEK_9531_PRODUCT_ID) },
+	{ USB_DEVICE(SPEEDDRAGON_VENDOR_ID, SPEEDDRAGON_PRODUCT_ID) },
 	{ }					/* Terminating entry */
 };
 
--- linux-2.6.16-rc5/drivers/usb/serial/pl2303.h.orig	2006-02-28 22:24:44.000000000 +0100
+++ linux-2.6.16-rc5/drivers/usb/serial/pl2303.h	2006-02-28 22:57:58.000000000 +0100
@@ -75,3 +75,7 @@
 /* Leadtek GPS 9531 (ID 0413:2101) */
 #define LEADTEK_VENDOR_ID	0x0413
 #define LEADTEK_9531_PRODUCT_ID	0x2101
+
+/* USB GSM cable from Speed Dragon Multimedia, Ltd */
+#define SPEEDDRAGON_VENDOR_ID	0x0e55
+#define SPEEDDRAGON_PRODUCT_ID	0x110b

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