1.\" $NetBSD: acpiec.4,v 1.4 2008/04/30 13:10:53 martin Exp $ 2.\" 3.\" Copyright (c) 2002, 2004 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 15.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 16.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 17.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 18.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 19.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25.\" POSSIBILITY OF SUCH DAMAGE. 26.\" 27.Dd December 12, 2007 28.Dt ACPIEC 4 29.Os 30.Sh NAME 31.Nm acpiec 32.Nd ACPI Embedded Controller 33.Sh SYNOPSIS 34.Cd "acpiec* at acpi?" 35.Cd "acpiecdt* at acpi?" 36.Sh DESCRIPTION 37The 38.Nm 39driver supports ACPI Embedded Controllers. 40.Pp 41It provides 42embedded controller access for other ACPI devices. 43On many systems which have an 44.Nm 45device, other ACPI devices such as 46.Xr acpiacad 4 , 47.Xr acpibat 4 , 48or 49.Xr acpitz 4 50implicitly depend on the 51.Nm 52device. 53Therefore it is a good idea to enable 54.Nm 55with other ACPI devices unless you are sure 56the system does not have an 57.Nm 58device. 59.Sh SEE ALSO 60.Xr acpi 4 61.Sh HISTORY 62The 63.Nm 64driver 65appeared in 66.Nx 1.6 . 67