'\" t .\" Title: sparse_keymap_setup .\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] .\" Generator: DocBook XSL Stylesheets v1.78.1 .\" 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" .\" ----------------------------------------------------------------- .\" * Define some portability stuff .\" ----------------------------------------------------------------- .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .\" http://bugs.debian.org/507673 .\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" ----------------------------------------------------------------- .\" * set default formatting .\" ----------------------------------------------------------------- .\" disable hyphenation .nh .\" disable justification (adjust text to left margin only) .ad l .\" ----------------------------------------------------------------- .\" * MAIN CONTENT STARTS HERE * .\" ----------------------------------------------------------------- .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