diff options
Diffstat (limited to 'include/linux/usb.h')
| -rw-r--r-- | include/linux/usb.h | 22 |
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 */ |