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.Dd January 9, 2011
.Dt ACPILID 4
.Os
.Sh NAME
.Nm acpilid
.Nd ACPI Lid Switch
.Sh SYNOPSIS
.Cd "acpilid* at acpi?"
.Sh DESCRIPTION
The
.Nm
driver supports
.Tn ACPI
.Dq lid switches .
The
.Xr powerd 8
daemon can be used to control actions against
the events of opening or closing the lid.
The script used is
.Pa /etc/powerd/scripts/lid_switch ,
and the events are either
.Em pressed
(the lid was closed)
or
.Em released
(the lid was opened).
.Sh EXAMPLES
The following example modifies the mentioned script in order to put the
system into
.Pq Tn S3
sleep when the lid is closed:
.Bd -literal -offset indent
\&...

case "${2}" in
pressed)
        logger -p info "${0}: suspending..."

        # As in sleep_button, kill some daemons.
        #
        /etc/rc.d/dhcpcd stop
        /etc/rc.d/network stop
        /etc/rc.d/wpa_supplicant stop

        # Suspend.
        #
        if /sbin/sysctl hw.acpi.sleep.state >/dev/null 2>&1; then
                /sbin/sysctl -w hw.acpi.sleep.state=3
	fi

        # Waking up.
        #
        /etc/rc.d/wpa_supplicant start
        /etc/rc.d/network start
        /etc/rc.d/dhcpcd start

\&...
.Ed
.Sh SEE ALSO
.Xr acpi 4 ,
.Xr powerd 8 ,
.Xr sysmon_pswitch 9
.Sh HISTORY
The
.Nm
driver
appeared in
.Nx 1.6 .