From dd78faaf40862bd1552ec36c41374b527f747284 Mon Sep 17 00:00:00 2001
From: Xiao Pan <gky44px1999@gmail.com>
Date: Fri, 23 Feb 2024 03:08:52 -0800
Subject: Reorganize shell scripts into sh dir, consider in the future fsh will
 have different kinds of files

---
 sh/backlight | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100755 sh/backlight

(limited to 'sh/backlight')

diff --git a/sh/backlight b/sh/backlight
new file mode 100755
index 0000000..3de87f5
--- /dev/null
+++ b/sh/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
-- 
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