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acpi_fujitsu (4)
  • >> acpi_fujitsu (4) ( FreeBSD man: Специальные файлы /dev/* )

  • BSD mandoc
     

    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.conf5:

    acpi_fujitsu_load="YES"
    
     

    DESCRIPTION

    The driver enables the ACPI-controlled buttons on Fujitsu notebooks. The button events are sent to userspace via 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.  

    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.conf5.  

    EXAMPLES

    The following can be added to devd.conf5 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
    
     

    SEE ALSO

    acpi(4), sysctl.conf5, devd(8), sysctl(8)  

    HISTORY

    The driver first appeared in Fx 5.4 .  

    AUTHORS

    An -nosplit The driver was written by An Sean Bullington Aq shegget@gmail.com , An Anish Mistry Aq mistry.7@osu.edu , and An Marc Santcroos Aq marks@ripe.net .

    This manual page was written by An Philip Paeps Aq philip@FreeBSD.org .


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    SYSCTL VARIABLES
    EXAMPLES
    SEE ALSO
    HISTORY
    AUTHORS


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