Allow device Vendor/Product IDs to be specified via module parameters.
Signed-off-by: Craig Shelley <craig@xxxxxxxxxxxxxxxx>
---
drivers/usb/serial/cp210x.c | 22 +++++++++++++++++++---
1 files changed, 19 insertions(+), 3 deletions(-)
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index 969adab..a23fa73 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -27,7 +27,7 @@
/*
* Version Information
*/
-#define DRIVER_VERSION "v0.09"
+#define DRIVER_VERSION "v0.10"
#define DRIVER_DESC "Silicon Labs CP210x RS232 serial adaptor driver"
/*
@@ -52,8 +52,10 @@ static void cp210x_dtr_rts(struct usb_serial_port *p, int on);
static int cp210x_carrier_raised(struct usb_serial_port *p);
static int debug;
+static __u16 vendor = 0x10C4;
+static __u16 product = 0x0000;
-static const struct usb_device_id id_table[] = {
+static struct usb_device_id id_table[] = {
{ USB_DEVICE(0x0471, 0x066A) }, /* AKTAKOM ACE-1001 cable */
{ USB_DEVICE(0x0489, 0xE000) }, /* Pirelli Broadband S.p.A, DP-L10 SIP/GSM Mobile */
{ USB_DEVICE(0x0745, 0x1000) }, /* CipherLab USB CCD Barcode Scanner 1000 */
@@ -131,7 +133,8 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x1843, 0x0200) }, /* Vaisala USB Instrument Cable */
{ USB_DEVICE(0x18EF, 0xE00F) }, /* ELV USB-I2C-Interface */
{ USB_DEVICE(0x413C, 0x9500) }, /* DW700 GPS USB interface */
- { } /* Terminating Entry */
+ { }, /* Optional parameter entry */
+ { } /* Terminating Entry */
};
MODULE_DEVICE_TABLE(usb, id_table);
@@ -796,6 +799,15 @@ static int __init cp210x_init(void)
{
int retval;
+ if (vendor > 0 && product > 0) {
+ /* Add user specified VID/PID to reserved element of table. */
+ int i;
+ for (i = 0; id_table[i].idVendor; i++);
+ id_table[i].match_flags = USB_DEVICE_ID_MATCH_DEVICE;
+ id_table[i].idVendor = vendor;
+ id_table[i].idProduct = product;
+ }
+
retval = usb_serial_register(&cp210x_device);
if (retval)
return retval; /* Failed to register */
@@ -828,3 +840,7 @@ MODULE_LICENSE("GPL");
module_param(debug, bool, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(debug, "Enable verbose debugging messages");
+module_param(vendor, ushort, 0);
+MODULE_PARM_DESC(vendor, "User specified vendor ID (default=0x10C4)");
+module_param(product, ushort, 0);
+MODULE_PARM_DESC(product, "User specified product ID");
--
1.7.1
--
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