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Diffstat (limited to 'backlight')
| -rwxr-xr-x | backlight | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/backlight b/backlight new file mode 100755 index 0000000..3de87f5 --- /dev/null +++ b/backlight @@ -0,0 +1,23 @@ +#!/bin/sh + +brightness=$(cat /sys/class/backlight/intel_backlight/brightness) +max_brightness=$(cat /sys/class/backlight/intel_backlight/max_brightness) +step=$((max_brightness/20)) + +case "$1" in + '-u') + case "$brightness" in + 0) echo 1;; + 1) echo "$step";; + *) echo "$((brightness+step))";; + esac + ;; + '-d') + case "$brightness" in + 1) echo 0;; + "$step") echo 1;; + *) echo "$((brightness-step))";; + esac + ;; + *) exit 1;; +esac > /sys/class/backlight/intel_backlight/brightness |