This adds support for the Zire 31 devices to the visor driver. This ID is already present in Linux 2.6

See:
http://home.t-online.de/home/hburde/linux_zire.html

Signed-off-by: Daniel Drake <dsd@gentoo.org>

--- linux-2.4.30-rc4/drivers/usb/serial/visor.c.orig	2005-04-01 13:36:58.000000000 +0100
+++ linux-2.4.30-rc4/drivers/usb/serial/visor.c	2005-04-01 13:41:23.000000000 +0100
@@ -206,6 +206,7 @@ static struct usb_device_id id_table [] 
 	{ USB_DEVICE(PALM_VENDOR_ID, PALM_M130_ID) },
 	{ USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_T_ID) },
 	{ USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_Z_ID) },
+	{ USB_DEVICE(PALM_VENDOR_ID, PALM_ZIRE31_ID) },
 	{ USB_DEVICE(PALM_VENDOR_ID, PALM_ZIRE_ID) },
 	{ USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_0_ID) },
 	{ USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_S360_ID) },
@@ -243,6 +244,7 @@ static __devinitdata struct usb_device_i
 	{ USB_DEVICE(PALM_VENDOR_ID, PALM_M130_ID) },
 	{ USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_T_ID) },
 	{ USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_Z_ID) },
+	{ USB_DEVICE(PALM_VENDOR_ID, PALM_ZIRE31_ID) },
 	{ USB_DEVICE(PALM_VENDOR_ID, PALM_ZIRE_ID) },
 	{ USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_3_5_ID) },
 	{ USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_0_ID) },
--- linux-2.4.30-rc4/drivers/usb/serial/visor.h.orig	2005-04-01 13:36:53.000000000 +0100
+++ linux-2.4.30-rc4/drivers/usb/serial/visor.h	2005-04-01 13:38:31.000000000 +0100
@@ -31,6 +31,7 @@
 #define PALM_M130_ID			0x0050
 #define PALM_TUNGSTEN_T_ID		0x0060
 #define PALM_TUNGSTEN_Z_ID		0x0031
+#define PALM_ZIRE31_ID			0x0061
 #define PALM_ZIRE_ID			0x0070
 #define PALM_M100_ID			0x0080