diff --git a/include/linux/usb.h b/include/linux/usb.h index 94bd38a6d947..56aa2ee21f1b 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -728,6 +728,22 @@ static inline int usb_endpoint_is_isoc_out(const struct usb_endpoint_descriptor .idVendor = (vend), .idProduct = (prod), \ .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