usb_add_config (9) - Linux Man Pages

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.

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