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#!/bin/sh # Paul Sladen, 2006-03-28, 2007-03-26 # Library functions to check/change status of wireless # Return 0 if there is, allowing you to write if isAnyWirelessPoweredOn; then ... isAnyWirelessPoweredOn() { for DEVICE in /sys/class/net/* ; do if [ -d $DEVICE/wireless ]; then for RFKILL in $DEVICE/phy80211/rfkill*/state $DEVICE/device/rfkill/rfkill*/state do if [ -r "$RFKILL" ] && [ "$(cat "$RFKILL")" -eq 1 ] then return 0 fi done # if any of the wireless devices are turned on then return success if [ -r $DEVICE/device/power/state ] && [ "`cat $DEVICE/device/power/state`" -eq 0 ] then return 0 fi if [ -r $DEVICE/device/rf_kill ] && [ "`cat $DEVICE/device/rf_kill`" -eq 0 ] then return 0 fi fi done # otherwise return failure return 1 } # Takes no parameters, toggles all wireless devices. # TODO: Should possible toggle all wireless devices to the state of the first one. # Attempts to use 'rf_kill' first, and then tries 'power/state', though that # will fail on >=2.6.18 kernels since upstream removed the functionality... toggleAllWirelessStates() { for DEVICE in /sys/class/net/* ; do if [ -d $DEVICE/wireless ] ; then # $DEVICE is a wireless device. FOUND= # Yes, that's right... the new interface reverses the truth values. ON=1 OFF=0 for CONTROL in $DEVICE/device/rfkill/rfkill*/state; do if [ -w "$CONTROL" ]; then FOUND=1 if [ "$(cat "$CONTROL")" = "$ON" ] ; then # It's powered on. Switch it off. echo -n "$OFF" > "$CONTROL" else # It's powered off. Switch it on. echo -n "$ON" > "$CONTROL" fi fi done # it might be safe to assume that a device only supports one # interface at a time; but just in case, we short-circuit # here to avoid toggling the power twice if [ -n "$FOUND" ]; then continue fi ON=0 OFF=1 # 1 for rf_kill, 2 for power/state for CONTROL in $DEVICE/device/rf_kill $DEVICE/device/power/state ; do if [ -w $CONTROL ] ; then # We have a way of controlling the device, lets try if [ "`cat $CONTROL`" = 0 ] ; then # It's powered on. Switch it off. if echo -n $OFF > $CONTROL ; then break else OFF=2 # for power/state, second time around fi else # It's powered off. Switch it on. if echo -n $ON > $CONTROL ; then break fi fi fi done fi done } # Pass '1' to blink suspending LED and '0' to stop LED setLEDThinkpadSuspending() { action=`test "$1" -ne 0 && echo blink || echo off` test -w /proc/acpi/ibm/led && echo -n 7 "$action" > /proc/acpi/ibm/led }
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