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¶
May 2024 | Kernel Hackers Manual 2.6. |