Index: collectd-4.4.0/src/wireless.c
===================================================================
--- collectd-4.4.0.orig/src/wireless.c	2008-06-05 21:47:01.000000000 +0200
+++ collectd-4.4.0/src/wireless.c	2008-06-05 21:48:33.000000000 +0200
@@ -128,7 +128,9 @@
 			power = 1.0; /* invalid */
 		else if ((power >= 0.0) && (power <= 100.0))
 			power = wireless_percent_to_power (power);
-		else if (power > 100.0)
+		else if ((power > 100.0) && (power <= 256.0))
+			power = power - 256.0;
+		else if (power > 0.0)
 			power = 1.0; /* invalid */
 
 		/* noise [dBm] < 0.0 */
@@ -137,7 +139,9 @@
 			noise = 1.0; /* invalid */
 		else if ((noise >= 0.0) && (noise <= 100.0))
 			noise = wireless_percent_to_power (noise);
-		else if (noise > 100.0)
+		else if ((noise > 100.0) && (noise <= 256.0))
+			noise = noise - 256.0;
+		else if (noise > 0.0)
 			noise = 1.0; /* invalid */
 
 		wireless_submit (device, "signal_quality", quality);