--- a/brightd.c	2008-10-19 23:10:21.000000000 +0200
+++ b/brightd.c	2011-11-09 22:01:24.394594536 +0100
@@ -172,7 +172,7 @@
 		}
 
 		/* We had to disable signal handler and alarm because of this: */
-		usleep(200);
+		usleep(10000);
 	}
 	signal(SIGALRM, signalHandlerAlarm);
 	alarm(saved);
@@ -184,15 +184,14 @@
 int isOnAC() /*{{{*/
 {
 	char line[255];
-	FILE *ac = fopen("/proc/acpi/ac_adapter/AC/state", "r");
+	FILE *ac = fopen("/sys/class/power_supply/AC/online", "r");
 	if(!ac) {
 		/* Ignore this */
 		return 0;
 	}
 	fgets(line, 255, ac);
 	fclose(ac);
-
-	return strstr(line, "on-line") != NULL;
+	return atoi(line);
 } /*}}}*/
 
 /*
@@ -280,6 +279,7 @@
  * Load default brightness class into b_class
  */
 void loadDefaultClass() /*{{{*/
+
 {
 	struct dirent *dirEntry;
 	DIR *backlightDir = opendir("/sys/class/backlight");
@@ -289,7 +289,7 @@
 			if(!dirEntry) {
 				break;
 			}
-			if(dirEntry->d_name[0] == '.') {
+			if(dirEntry->d_name[0] == '.' || !strcmp(dirEntry->d_name,"intel_backlight")) {
 				continue;
 			}
 			strcpy(b_class, dirEntry->d_name);
@@ -325,7 +325,7 @@
 
 	if(isDark == 0) {
 		/* Check if fading is okay */
-		if(isOnAC() && force < 2) {
+		if(isOnAC() == 1 && force < 2) {
 			info("Would fade, but on AC");
 			alarm(waitSeconds);
 			return;

--- a/brightd.c	2015-06-30 23:20:50.636205206 +0000
+++ b/brightd.c	2015-06-30 23:34:15.452916469 +0000
@@ -121,7 +121,7 @@
 /*
  * Write an debug message to the console
  */
-inline void info(char *str) { /*{{{*/
+void info(char *str) { /*{{{*/
 	if(verbose == 1 && daemonize == 0) {
 		printf("%s\n", str);
 	}
@@ -307,7 +307,7 @@
 /*
  * Event source filter
  */
-inline char isEventFileValid(char *file) { /* {{{ */
+char isEventFileValid(char *file) { /* {{{ */
 	if(*((char*)&eventSourceFilter) == 0) {
 		return 1;
 	}