'\" t
.\"     Title: usb_find_alt_setting
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: January 2017
.\"    Manual: USB Core APIs
.\"    Source: Kernel Hackers Manual 4.8.15
.\"  Language: English
.\"
.TH "USB_FIND_ALT_SETTING" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "USB Core APIs"
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.SH "NAME"
usb_find_alt_setting \- Given a configuration, find the alternate setting for the given interface\&.
.SH "SYNOPSIS"
.HP \w'struct\ usb_host_interface\ *\ usb_find_alt_setting('u
.BI "struct usb_host_interface * usb_find_alt_setting(struct\ usb_host_config\ *\ " "config" ", unsigned\ int\ " "iface_num" ", unsigned\ int\ " "alt_num" ");"
.SH "ARGUMENTS"
.PP
\fIconfig\fR
.RS 4
the configuration to search (not necessarily the current config)\&.
.RE
.PP
\fIiface_num\fR
.RS 4
interface number to search in
.RE
.PP
\fIalt_num\fR
.RS 4
alternate interface setting number to search for\&.
.RE
.SH "DESCRIPTION"
.PP
Search the configuration\*(Aqs interface cache for the given alt setting\&.
.SH "RETURN"
.PP
The alternate setting, if found\&.
\fBNULL\fR
otherwise\&.
.SH "COPYRIGHT"
.br