.\" Copyright (c) 2022 Vladimir Kondratyev <wulf@FreeBSD.org>
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.Dd February 27, 2022
.Dt IETP 4
.Os
.Sh NAME
.Nm ietp
.Nd Elantech I2C touchpad device driver
.Sh SYNOPSIS
To compile this driver into the kernel, place the following lines into
your kernel configuration file:
.Bd -ragged -offset indent
.Cd "device ietp"
.Cd "device hidbus"
.Cd "device hid"
.Cd "device iichid"
.Cd "device iicbus"
.Cd "device evdev"

.Ed
.Pp
Alternatively, to load the driver as a
module at boot time, place the following line in
.Xr loader.conf 5 :
.Bd -literal -offset indent
ietp_load="YES"
.Ed
.Sh DESCRIPTION
The
.Nm
driver provides support for the Elantech I2C touchpad multi-touch devices
found in many laptops.
.Pp
To get multi-touch device working in
.Xr X 7 Pq Pa ports/x11/xorg-docs ,
install
.Pa ports/x11-drivers/xf86-input-libinput .
.Sh FILES
.Nm
creates a pseudo-device file,
.Pa /dev/input/eventX
which presents the multi-touch device as an input event device.
.Sh SEE ALSO
.Xr hid 4 ,
.Xr loader.conf 5 ,
.Xr xorg.conf 5 Pq Pa ports/x11/xorg ,
.Xr libinput 4 Pq Pa ports/x11-drivers/xf86-input-libinput .
.Sh AUTHORS
.An -nosplit
The
.Nm
driver was written by
.An Vladimir Kondratyev Aq Mt wulf@FreeBSD.org .
.Sh BUGS
.Nm
cannot act like
.Xr sysmouse 4