'\" t
.\"     Title: usb_add_config
.\"    Author: 
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: July 2017
.\"    Manual: Kernel Mode Gadget API
.\"    Source: Kernel Hackers Manual 4.11.6
.\"  Language: English
.\"
.TH "USB_ADD_CONFIG" "9" "July 2017" "Kernel Hackers Manual 4\&.11\&" "Kernel Mode Gadget API"
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.SH "NAME"
usb_add_config \- add a configuration to a device\&.
.SH "SYNOPSIS"
.HP \w'int\ usb_add_config('u
.BI "int usb_add_config(struct\ usb_composite_dev\ *\ " "cdev" ", struct\ usb_configuration\ *\ " "config" ", int\ (*" "bind" ")\ (struct\ usb_configuration\ *));"
.SH "ARGUMENTS"
.PP
\fIstruct usb_composite_dev * cdev\fR
.RS 4
wraps the USB gadget
.RE
.PP
\fIstruct usb_configuration * config\fR
.RS 4
the configuration, with bConfigurationValue assigned
.RE
.PP
\fIint (*)(struct usb_configuration *) bind\fR
.RS 4
the configuration\*(Aqs bind function
.RE
.SH "CONTEXT"
.PP
single threaded during gadget setup
.SH "DESCRIPTION"
.PP
One of the main tasks of a composite
\fIbind\fR() routine is to add each of the configurations it supports, using this routine\&.
.PP
This function returns the value of the configuration\*(Aqs
\fIbind\fR(), 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\&.
.SH "AUTHOR"
.PP
\fBDavid Brownell\fR <\&dbrownell@users.sourceforge.net\&>
.RS 4
Author.
.RE
.SH "COPYRIGHT"
.br