'\" t
.\"     Title: sparse_keymap_setup
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
.\"      Date: January 2017
.\"    Manual: Input Subsystem
.\"    Source: Kernel Hackers Manual 4.8.15
.\"  Language: English
.\"
.TH "SPARSE_KEYMAP_SETUP" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "Input Subsystem"
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.SH "NAME"
sparse_keymap_setup \- set up sparse keymap for an input device
.SH "SYNOPSIS"
.HP \w'int\ sparse_keymap_setup('u
.BI "int sparse_keymap_setup(struct\ input_dev\ *\ " "dev" ", const\ struct\ key_entry\ *\ " "keymap" ", int\ (*" "setup" ")\ (struct\ input_dev\ *,\ struct\ key_entry\ *));"
.SH "ARGUMENTS"
.PP
\fIdev\fR
.RS 4
Input device
.RE
.PP
\fIkeymap\fR
.RS 4
Keymap in form of array of
key_entry
structures ending with
\fBKE_END\fR
type entry
.RE
.PP
\fIsetup\fR
.RS 4
Function that can be used to adjust keymap entries depending on device\*(Aqs deeds, may be
\fBNULL\fR
.RE
.SH "DESCRIPTION"
.PP
The function calculates size and allocates copy of the original keymap after which sets up input device event bits appropriately\&. Before destroying input device allocated keymap should be freed with a call to
\fBsparse_keymap_free\fR\&.
.SH "COPYRIGHT"
.br