diff a78b71b143240fa1dad019f5c655a03c2d2400d9 uncommitted
--- a/sys/src/games/geigerstats.c
+++ b/sys/src/games/geigerstats.c
@@ -53,7 +53,7 @@
 	char *dev;
 	uchar buf[4 * NSAMP], *p;
 	short s;
-	int vol, fd, cps;
+	int vol, fd, cps, light;
 	ulong tresh;
 	
 	dev = "/dev/audio";
@@ -74,8 +74,11 @@
 	fd = open(dev, OWRITE);
 	if(fd < 0)
 		sysfatal("open: %r");
+	light = open("/dev/light", OWRITE);
 	for(;;){
 		cps = 3 + load() / 3;
+		if(cps/3 > 2)
+			fprint(light, "lcd %d\n", cps/3);
 		tresh = umuldiv(0xFFFFFFFF, cps, SRATE);
 		for(p = buf; p < buf + sizeof(buf);){
 			s = lrand() < tresh ? (vol - s) : s;