#ifndef BRIGHTNESS_H #define BRIGHTNESS_H #define BRIGHTNESS_PATH "/sys/class/backlight/intel_backlight/brightness" #define MAX_BRIGHTNESS_PATH "/sys/class/backlight/intel_backlight/max_brightness" void set_brightness(int value, int raw); void adjust_brightness(const char *direction); void display_brightness(int brightness); int get_max_brightness(); int get_current_brightness(); void list_brightness_devices(const char *class_filter); int check_brightness_paths(); void set_device(const char *device, const char *class); #endif // BRIGHTNESS_H