USB: Add USB_DEVICE_INTERFACE_PROTOCOL macro
The USB_DEVICE_INTERFACE_PROTOCOL will allow to match one interface
protocol of vendor specific device. This macro is used in patch adding
support for xbox360 to xpad.c
Signed-off-by: Jan Kratochvil <honza@jikos.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/include/linux/usb.h b/include/linux/usb.h
index 94bd38a..56aa2ee 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -729,6 +729,22 @@
.bcdDevice_lo = (lo), .bcdDevice_hi = (hi)
/**
+ * USB_DEVICE_INTERFACE_PROTOCOL - macro used to describe a usb
+ * device with a specific interface protocol
+ * @vend: the 16 bit USB Vendor ID
+ * @prod: the 16 bit USB Product ID
+ * @pr: bInterfaceProtocol value
+ *
+ * This macro is used to create a struct usb_device_id that matches a
+ * specific interface protocol of devices.
+ */
+#define USB_DEVICE_INTERFACE_PROTOCOL(vend,prod,pr) \
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_INT_PROTOCOL, \
+ .idVendor = (vend), \
+ .idProduct = (prod), \
+ .bInterfaceProtocol = (pr)
+
+/**
* USB_DEVICE_INFO - macro used to describe a class of usb devices
* @cl: bDeviceClass value
* @sc: bDeviceSubClass value