[PATCH] support for Posiflex PP-7000 retail printer for ftdi_sio driver

[Pavel Fedin <sonic_amiga@rambler.ru>]

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  This little patch adds an ability to recognize Posiflex PP-7000 retail printer for ftdi_sio 
driver. The printer uses FT232BM USB-serial brigde but is programmed with custom VID and PID.
  The patch is made for 2.6.11.1 kernel but is extremely easy to adapt to newer versions. I also 
posted it to "Patches" page on sf.net project. I wrote to project admin a letter asking to give me 
an access to their CVS but got no reply.

  Kind regards

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--- linux-2.6.11.1/drivers/usb/serial/ftdi_sio.c.orig	2005-03-04 20:26:42.000000000 +0300
+++ linux-2.6.11.1/drivers/usb/serial/ftdi_sio.c	2005-12-06 22:47:20.000000000 +0300
@@ -488,6 +488,7 @@
 	{ USB_DEVICE_VER(BANDB_VID, BANDB_USTL4_PID, 0x400, 0xffff) },
 	{ USB_DEVICE_VER(BANDB_VID, BANDB_USO9ML2_PID, 0x400, 0xffff) },
 	{ USB_DEVICE_VER(FTDI_VID, EVER_ECO_PRO_CDS, 0x400, 0xffff) },
+	{ USB_DEVICE(POSIFLEX_VID, POSIFLEX_PP7000_PID) },
 	{ }						/* Terminating entry */
 };
 
@@ -611,6 +612,7 @@
 	{ USB_DEVICE(BANDB_VID, BANDB_USTL4_PID) },
 	{ USB_DEVICE(BANDB_VID, BANDB_USO9ML2_PID) },
 	{ USB_DEVICE(FTDI_VID, EVER_ECO_PRO_CDS) },
+	{ USB_DEVICE(POSIFLEX_VID, POSIFLEX_PP7000_PID) },
 	{ }						/* Terminating entry */
 };
 
--- linux-2.6.11.1/drivers/usb/serial/ftdi_sio.h.orig	2005-03-04 20:26:44.000000000 +0300
+++ linux-2.6.11.1/drivers/usb/serial/ftdi_sio.h	2005-12-05 22:22:27.000000000 +0300
@@ -246,6 +246,12 @@
 
 #define	EVER_ECO_PRO_CDS	0xe520	/* RS-232 converter */
 
+/*
+ * Posiflex inc retail equipment (http://www.posiflex.com.tw)
+ */
+#define POSIFLEX_VID		0x0d3a  /* Vendor ID */
+#define POSIFLEX_PP7000_PID	0x0300  /* PP-7000II thermal printer */
+
 /* Commands */
 #define FTDI_SIO_RESET 		0 /* Reset the port */
 #define FTDI_SIO_MODEM_CTRL 	1 /* Set the modem control register */