usb_add_config (9) - Linux Manuals
usb_add_config: add a configuration to a device.
NAME
usb_add_config - add a configuration to a device.
SYNOPSIS
-
int usb_add_config(struct usb_composite_dev
* cdev, struct usb_configuration* config, int(* bind)(struct usb_configuration *));
ARGUMENTS
cdev
-
- wraps the USB gadget
config
- the configuration, with bConfigurationValue assigned
bind
- the configuration's bind function
CONTEXT
single threaded during gadget setup
DESCRIPTION
One of the main tasks of a composite bind() routine is to add each of the configurations it supports, using this routine.
This function returns the value of the configuration's bind(), which is zero for success else a negative errno value. Binding configurations assigns global resources including string IDs, and per-configuration resources such as interface IDs and endpoints.
AUTHOR
David Brownell <dbrownell [at] users.sourceforge.net>
- Author.
COPYRIGHT