configuration 1

Signed-off-by: varun-r-mallya <varunrmallya@gmail.com>

control/brightness.py

@@ -0,0 +1,58 @@
+#!/usr/bin/env python3
+import os
+import sys
+
+# Detect the backlight device
+def find_backlight_device():
+    base_path = '/sys/class/backlight'
+    try:
+        devices = os.listdir(base_path)
+        if not devices:
+            print("No backlight device found.")
+            sys.exit(1)
+        return os.path.join(base_path, devices[0])
+    except FileNotFoundError:
+        print("Backlight control not supported on this system.")
+        sys.exit(1)
+
+def get_brightness_info(dev_path):
+    with open(os.path.join(dev_path, 'max_brightness')) as f:
+        max_brightness = int(f.read().strip())
+    with open(os.path.join(dev_path, 'brightness')) as f:
+        current_brightness = int(f.read().strip())
+    return current_brightness, max_brightness
+
+def set_brightness(dev_path, value):
+    brightness_path = os.path.join(dev_path, 'brightness')
+    try:
+        with open(brightness_path, 'w') as f:
+            f.write(str(value))
+    except PermissionError:
+        print("Permission denied. Try running as root (sudo).")
+        sys.exit(1)
+
+def main():
+    if len(sys.argv) != 2:
+        print("Usage: brightness.py <value|+10|-10>")
+        sys.exit(1)
+
+    dev_path = find_backlight_device()
+    current, max_brightness = get_brightness_info(dev_path)
+    arg = sys.argv[1]
+
+    try:
+        if arg.startswith('+') or arg.startswith('-'):
+            new_brightness = current + int(arg)
+        else:
+            new_brightness = int(arg)
+
+        new_brightness = max(0, min(new_brightness, max_brightness))
+        set_brightness(dev_path, new_brightness)
+        print(f"Brightness set to {new_brightness}/{max_brightness}")
+    except ValueError:
+        print("Invalid brightness value.")
+        sys.exit(1)
+
+if __name__ == '__main__':
+    main()
+