bin/set_backlight: No separate backlight script for W540 needed, if kernel parameter acpi_backlight=vendor is given.

1 files changed, 0 insertions, 56 deletions

diff --git a/bin/set_backlight b/bin/set_backlight
deleted file mode 100755
index c110321..0000000
--- a/bin/set_backlight
+++ /dev/null
@@ -1,56 +0,0 @@
-#!/bin/bash
-# Script to set backlight on startup on Lenovo W540 using
-# /sys/class/backlight/intel_backlight/brightness
-# This must be run as root.
-
-# check if root
-if [[ $EUID -ne 0 ]];then
-  echo "This must be run as root."
-else
-  # get current and maximum brightness, set maximum steps allowed
-  brightness_current=$(cat /sys/class/backlight/intel_backlight/brightness)
-  brightness_max=$(cat /sys/class/backlight/intel_backlight/max_brightness)
-  brightness_max=$(($brightness_max-1000))
-  brightness_steps=20
-  brightness_steps_width=$(($brightness_max/$brightness_steps))
-  brightness_new=0
-  # if first parameter to this script is a number
-  re='^[0-9]+$'
-  if [[ $1 =~ $re ]]; then
-    echo "Direct step called"
-    if [[ $1 -gt brightness_steps && $1 -ne 0 ]];then
-      brightness_new=$(($1*brightness_steps_width))
-    fi
-  elif [[ $1 == "up" || $1 == "down" ]];then
-    brightness_calc=$(($brightness_current / $brightness_steps_width))
-    case $1 in
-      "up" )
-        brightness_calc=$((($brightness_calc+1) * $brightness_steps_width))
-        echo "brightness_calc: $brightness_calc"
-        echo "brightness_max: $brightness_max"
-        if [[ $brightness_max -gt $brightness_calc ]];then
-          echo "true"
-          brightness_new=$brightness_calc
-        else
-          echo "false"
-          brightness_new=$brightness_current
-        fi
-        ;;
-      "down" )
-        brightness_calc=$((($brightness_calc-1) * $brightness_steps_width))
-        echo "brightness_calc: $brightness_calc"
-        if [[ $brightness_calc -gt 0 ]];then
-          brightness_new=$brightness_calc
-        else
-          brightness_new=$brightness_current
-        fi
-        ;;
-    esac
-    echo "Step called with: $1"
-  fi
-  echo $brightness_current
-  echo $brightness_new
-  # set to 234 (around 4th step)
-  #echo 234 > /sys/class/backlight/intel_backlight/brightness
-  echo $brightness_new > /sys/class/backlight/intel_backlight/brightness
-fi