1 files changed, 22 insertions, 0 deletions

diff --git a/include/linux/usb.h b/include/linux/usb.h
index 3d63e0c2dd70..98e0338664fb 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -771,6 +771,28 @@ static inline int usb_endpoint_is_isoc_out(const struct usb_endpoint_descriptor
         .match_flags = USB_DEVICE_ID_MATCH_INT_INFO, .bInterfaceClass = (cl), \
         .bInterfaceSubClass = (sc), .bInterfaceProtocol = (pr)
 
+/**
+ * USB_DEVICE_AND_INTERFACE_INFO - macro used to describe a specific usb device
+ *              with a class of usb interfaces
+ * @vend: the 16 bit USB Vendor ID
+ * @prod: the 16 bit USB Product ID
+ * @cl: bInterfaceClass value
+ * @sc: bInterfaceSubClass value
+ * @pr: bInterfaceProtocol value
+ *
+ * This macro is used to create a struct usb_device_id that matches a
+ * specific device with a specific class of interfaces.
+ *
+ * This is especially useful when explicitly matching devices that have
+ * vendor specific bDeviceClass values, but standards-compliant interfaces.
+ */
+#define USB_DEVICE_AND_INTERFACE_INFO(vend,prod,cl,sc,pr) \
+        .match_flags = USB_DEVICE_ID_MATCH_INT_INFO \
+                | USB_DEVICE_ID_MATCH_DEVICE, \
+        .idVendor = (vend), .idProduct = (prod), \
+        .bInterfaceClass = (cl), \
+        .bInterfaceSubClass = (sc), .bInterfaceProtocol = (pr)
+
 /* ----------------------------------------------------------------------- */
 
 /* Stuff for dynamic usb ids */