[PATCH] [RFC] Added USB_DEVICE_INTERFACE_PROTOCOL

[Jan Kratochvil <honza@jikos.cz>]

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>
---
 include/linux/usb.h |   15 +++++++++++++++
 1 files changed, 15 insertions(+), 0 deletions(-)

diff --git a/include/linux/usb.h b/include/linux/usb.h
index cfbd2bb..84e2330 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -729,6 +729,21 @@ static inline int usb_endpoint_is_isoc_out(const struct usb_endpoint_descriptor
 	.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
-- 
1.5.0.6


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