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From: Jung-uk Kim <jkim@FreeBSD.org>
Date: Tue, 26 Oct 2010 21:22:55 +0000 (UTC)
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Subject: svn commit: r214401 - head/share/man/man4
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Author: jkim
Date: Tue Oct 26 21:22:55 2010
New Revision: 214401
URL: http://svn.freebsd.org/changeset/base/214401

Log:
  Document newly added loader tunables "hw.acpi.install_interface" and
  "hw.acpi.remove_interface".

Modified:
  head/share/man/man4/acpi.4

Modified: head/share/man/man4/acpi.4
==============================================================================
--- head/share/man/man4/acpi.4	Tue Oct 26 21:19:36 2010	(r214400)
+++ head/share/man/man4/acpi.4	Tue Oct 26 21:22:55 2010	(r214401)
@@ -25,7 +25,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd October 12, 2010
+.Dd October 26, 2010
 .Dt ACPI 4
 .Os
 .Sh NAME
@@ -224,6 +224,26 @@ Try increasing this number if you get th
 .Qq Li AE_NO_HARDWARE_RESPONSE .
 .It Va hw.acpi.host_mem_start
 Override the assumed memory starting address for PCI host bridges.
+.It Va hw.acpi.install_interface , hw.acpi.remove_interface
+Install or remove OS interface(s) to control return value of
+.Ql _OSI
+query method.  When an OS interface is specified in
+.Va hw.acpi.install_interface ,
+.Li _OSI
+query for the interface returns it is
+.Em supported .
+Conversely, when an OS interface is specified in
+.Va hw.acpi.remove_interface ,
+.Li _OSI
+query returns it is
+.Em not supported .
+Multiple interfaces can be specified in a comma-separated list and
+any leading white spaces will be ignored.  For example,
+.Qq Li FreeBSD, Linux
+is a valid list of two interfaces
+.Qq Li FreeBSD
+and
+.Qq Li Linux .
 .It Va hw.acpi.reset_video
 Enables calling the VESA reset BIOS vector on the resume path.
 This can fix some graphics cards that have problems such as LCD white-out