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¶
struct usb_configuration * config
struct usb_function * function
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>
COPYRIGHT¶
July 2017 | Kernel Hackers Manual 4.11 |