USB_ADD_FUNCTION(9) Kernel Mode Gadget API USB_ADD_FUNCTION(9)
NAME
usb_add_function - add a function to a configuration
SYNOPSIS
int usb_add_function(struct usb_configuration * config, struct usb_function * function);
ARGUMENTS
config
the configuration
function
the function being added
CONTEXT
single threaded during gadget setup
DESCRIPTION
After initialization, each configuration must have one or more functions added to it. Adding a function involves calling its bind() method
to allocate resources such as interface and string identifiers and endpoints.
This function returns the value of the function's bind, which is zero for success else a negative errno value.
AUTHOR
David Brownell <dbrownell@users.sourceforge.net>
Author.
COPYRIGHT
Kernel Hackers Manual 3.10 June 2014 USB_ADD_FUNCTION(9)
