svn commit: r237494 - head/share/man/man4

[Mitsuru IWASAKI]

Author: iwasaki
Date: Sat Jun 23 18:45:32 2012
New Revision: 237494
URL: http://svn.freebsd.org/changeset/base/237494

Log:
  Add description about dev.acpi_ibm.0.handlerevents.
  
  MFC after:	3 days

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

Modified: head/share/man/man4/acpi_ibm.4
==============================================================================
--- head/share/man/man4/acpi_ibm.4	Sat Jun 23 18:43:54 2012	(r237493)
+++ head/share/man/man4/acpi_ibm.4	Sat Jun 23 18:45:32 2012	(r237494)
@@ -25,7 +25,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd February 8, 2010
+.Dd June 24, 2012
 .Dt ACPI_IBM 4
 .Os
 .Sh NAME
@@ -335,6 +335,17 @@ Built-in battery
 .It
 UltraBay battery
 .El
+.It Va dev.acpi_ibm.0.handlerevents
+.Xr devd 8
+events handled by
+.Nm
+when
+.Va events
+is set to 1.
+Events are specified as a whitespace-separated list of event code in
+hexadecimal or decimal form.
+Note that the event maybe handled twice (eg. Brightness up/down) if ACPI BIOS
+already handled the event.
 .El
 .Pp
 Defaults for these sysctls can be set in
@@ -436,6 +447,20 @@ then
 fi
 exit 0
 .Ed
+.Pp
+The following example specify that event code 0x04 (Suspend to RAM),
+0x10 (Brightness up) and 0x11 (Brightness down) are handled by
+.Nm .
+.Bd -literal -offset indent
+sysctl dev.acpi_ibm.0.handlerevents='0x04 0x10 0x11'
+.Ed
+.Pp
+in
+.Xr sysctl.conf 5 :
+.Bd -literal -offset indent
+dev.acpi_ibm.0.handlerevents=0x04\\ 0x10\\ 0x11
+.Ed
+.Pp
 .Sh SEE ALSO
 .Xr acpi 4 ,
 .Xr led 4 ,