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NAME

      acpi_fujitsu - Fujitsu Laptop Extras
 

SYNOPSIS

      device acpi_fujitsu
 

DESCRIPTION

      The acpi_fujitsu driver enables the ACPI-controlled buttons on Fujitsu
devd(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.
      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.
 
sysctl.conf(5).
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 $notify 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}.pointer_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}.volume‘
                            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
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@FreeBSD.org〉.
 

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