usb_find_interface (9) Linux Manual Page
usb_find_interface – find usb_interface pointer for driver and device
Synopsis
struct usb_interface *usb_find_interface(struct usb_driver *drv, int minor);Arguments
drv
-
- the driver whose current configuration is considered
minor
- the minor number of the desired device
Description
This walks the bus device list and returns a pointer to the interface with the matching minor and driver. Note, this only works for devices that share the USB major number.
Return
A pointer to the interface with the matching major and minor.