From 4be4ac3e289fe4c555877841fa76d7b514625e1f Mon Sep 17 00:00:00 2001
From: Tom Smeding <tom@tomsmeding.com>
Date: Sun, 27 Feb 2022 10:05:38 +0100
Subject: ddcutil support

---
 brightness.c | 76 ------------------------------------------------------------
 1 file changed, 76 deletions(-)
 delete mode 100644 brightness.c

(limited to 'brightness.c')

diff --git a/brightness.c b/brightness.c
deleted file mode 100644
index feee058..0000000
--- a/brightness.c
+++ /dev/null
@@ -1,76 +0,0 @@
-// By Tom Smeding (2016)
-// modified for new laptop (2017)
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdarg.h>
-#include <string.h>
-#include <unistd.h>
-#include <sys/types.h>
-
-#define INCREMENT 100
-
-__attribute__((noreturn))
-__attribute__((format (printf, 1, 2)))
-void die(const char *format,...){
-	va_list ap;
-	va_start(ap,format);
-	vprintf(format,ap);
-	va_end(ap);
-	putchar('\n');
-	exit(1);
-}
-
-int get_max_brightness(void){
-	FILE *f=fopen("/sys/class/backlight/intel_backlight/max_brightness","r");
-	if(!f)die("Could not open max_brightness file");
-	int n;
-	fscanf(f,"%d",&n);
-	fclose(f);
-	return n;
-}
-
-int get_brightness(void){
-	FILE *f=fopen("/sys/class/backlight/intel_backlight/brightness","r");
-	if(!f)die("Could not open brightness file");
-	int n;
-	fscanf(f,"%d",&n);
-	fclose(f);
-	return n;
-}
-
-void set_brightness(int n){
-	FILE *f=fopen("/sys/class/backlight/intel_backlight/brightness","w");
-	if(!f)die("Could not open brightness file");
-	fprintf(f,"%d",n);
-	fflush(f);
-	fclose(f);
-}
-
-int main(int argc,char **argv){
-	uid_t uid=geteuid();
-	if(uid!=0){
-		printf("brightness will only work with root.\n");
-		return 1;
-	}
-
-	if(argc==1){
-		printf("max: %d\n",get_max_brightness());
-		printf("current: %d\n",get_brightness());
-	} else if(argc==2){
-		int n;
-		if(strcmp(argv[1],"-")==0){
-			n=get_brightness()-INCREMENT;
-			if(n<0)n=0;
-		} else if(strcmp(argv[1],"+")==0){
-			n=get_brightness()+INCREMENT;
-			int mx=get_max_brightness();
-			if(n>mx)n=mx;
-		} else {
-			char *endp;
-			n=strtol(argv[1],&endp,10);
-			if(argv[1][0]=='\0'||*endp!='\0')die("Invalid number '%s'",argv[1]);
-		}
-		set_brightness(n);
-	}
-}
-- 
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