usb_add_function(9) 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 <[email protected]>

Author.

COPYRIGHT