acpi_fujitsu(4)

NAME

acpi_fujitsu - Fujitsu Laptop Extras

SYNOPSIS

To compile this driver into the kernel, place the  following
line in your
kernel configuration file:
      device acpi_fujitsu
Alternatively,  to load the driver as a module at boot time,
place the
following line in loader.conf(5):
      acpi_fujitsu_load="YES"

DESCRIPTION

The acpi_fujitsu driver enables the ACPI-controlled buttons

on Fujitsu
notebooks. The button events are sent to userspace via de

vd(8), and a
sysctl(8) interface is provided to simulate the hardware

events.

Using this driver, one can control the brightness of the

display, the
volume of the speakers, and the internal (eraserhead) mouse

pointer.

SYSCTL VARIABLES

These sysctls are currently implemented:

hw.acpi.fujitsu.lcd_brightness

Makes the LCD backlight brighter or dimmer.

hw.acpi.fujitsu.pointer_enable

Enables or disables the internal mouse pointer.

hw.acpi.fujitsu.volume

Controls the speaker volume.

hw.acpi.fujitsu.mute

Mutes the speakers.

Defaults for these sysctls can be set in sysctl.conf(5).

EXAMPLES

The following can be added to devd.conf(5) in order to pass

button events
to a /usr/local/sbin/acpi_oem_exec.sh script:

notify 10 {

match "system" "ACPI";
match "subsystem" "FUJITSU";
action "/usr/local/sbin/acpi_oem_exec.sh $no

tify fujitsu";

};

A possible /usr/local/sbin/acpi_oem_exec.sh script might

look like:

#!/bin/sh
#
if [ "$1" = "" -o "$2" = "" ]
then

echo "usage: $0 notify oem_name"
exit 1

fi
NOTIFY=`echo $1`
LOGGER="logger"
CALC="bc"
BC_PRECOMMANDS="scale=2"
ECHO="echo"
CUT="cut"
MAX_LCD_BRIGHTNESS=7
MAX_VOLUME=16
OEM=$2
DISPLAY_PIPE=/tmp/acpi_${OEM}_display

case ${NOTIFY} in

0x00)

LEVEL=`sysctl -n hw.acpi.${OEM}.mute`
if [ "$LEVEL" = "1" ]
then

MESSAGE="volume muted"

else

MESSAGE="volume unmuted"

fi
;;

0x01)

LEVEL=`sysctl -n hw.acpi.${OEM}.point

er_enable`
if [ "$LEVEL" = "1" ]
then

MESSAGE="pointer enabled"

else

MESSAGE="pointer disabled"

fi
;;

0x02)

LEVEL=`sysctl -n

hw.acpi.${OEM}.lcd_brightness`
PERCENT=`${ECHO} "${BC_PRECOMMANDS} ;

${LEVEL} / ${MAX_LCD_BRIGHTNESS} * 100"

${CALC} | ${CUT} -d . -f 1`
MESSAGE="brightness level ${PERCENT}%"
;;

0x03)

LEVEL=`sysctl -n hw.acpi.${OEM}.vol

ume`
PERCENT=`${ECHO} "${BC_PRECOMMANDS} ;

${LEVEL} / ${MAX_VOLUME} * 100" ${CALC}

| ${CUT} -d . -f 1`
MESSAGE="volume level ${PERCENT}%"
;;

*)

;;

esac
${LOGGER} ${MESSAGE}
if [ -p ${DISPLAY_PIPE} ]
then

${ECHO} ${MESSAGE} >> ${DISPLAY_PIPE}

&

fi

exit 0

SEE ALSO

acpi(4), sysctl.conf(5), devd(8), sysctl(8)

HISTORY

The acpi_fujitsu driver first appeared in FreeBSD 5.4.

AUTHORS

The acpi_fujitsu driver was written by Sean Bullington <sean@stalker.org>, Anish Mistry <mistry.7@osu.edu>, and

Marc Santcroos
<marks@ripe.net>.

This manual page was written by Philip Paeps <philip@FreeB

SD.org>.

BSD March 20, 2005

BSD