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Diffstat (limited to 'recipes/display-brightness/display-brightness.sh')
| -rw-r--r-- | recipes/display-brightness/display-brightness.sh | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/recipes/display-brightness/display-brightness.sh b/recipes/display-brightness/display-brightness.sh new file mode 100644 index 0000000000..935dabff7b --- /dev/null +++ b/recipes/display-brightness/display-brightness.sh @@ -0,0 +1,54 @@ +#!/bin/sh + +# display-brightness.sh +# simple script to set display-brightness for zaurus clamshell +# author: patrick steiner <patrick.steiner@a1.net> +# version: 1.00 | 22.02.2005 23:20 + + +STEP=5 +DRIVER="`ls /sys/class/backlight/|head -n 1`" +MAX_BRIGHTNESS=`cat /sys/class/backlight/$DRIVER/max_brightness` +ACTUAL_BRIGHTNESS=`cat /sys/class/backlight/$DRIVER/actual_brightness` +BRIGHTNESS_FILE="/sys/class/backlight/$DRIVER/brightness" + +if test "$1" != "up" -a "$1" != "down" -a -n "$1" +then + echo -e "\nUsage:\n\t `basename $0` [up | down]\n" + exit 0 +fi + +echo "max / current" +echo "$MAX_BRIGHTNESS / $ACTUAL_BRIGHTNESS" +if [ ! -n "$1" ]; then + exit 0 +fi + +if [ "$1" = "up" ]; then + if [ $ACTUAL_BRIGHTNESS -eq $MAX_BRIGHTNESS ]; then + exit 0 + else + + test -x /usr/bin/bl && bl on + test "$STEP" -gt "$MAX_BRIGHTNESS" -o "$STEP" -eq "$MAX_BRIGHTNESS" && STEP=1 + let CURRENT_BRIGHTNESS=$ACTUAL_BRIGHTNESS+$STEP + echo $CURRENT_BRIGHTNESS >> $BRIGHTNESS_FILE + exit 0 + fi +fi + +if [ "$1" = "down" ]; then + if [ $ACTUAL_BRIGHTNESS -lt 2 ]; then + exit 0 + elif [ $ACTUAL_BRIGHTNESS -lt $STEP ]; then + STEP=1 + let CURRENT_BRIGHTNESS=$ACTUAL_BRIGHTNESS-$STEP + echo $CURRENT_BRIGHTNESS >> $BRIGHTNESS_FILE + exit 0 + else + let CURRENT_BRIGHTNESS=$ACTUAL_BRIGHTNESS-$STEP + echo $CURRENT_BRIGHTNESS >> $BRIGHTNESS_FILE + exit 0 + fi +fi + |