From 8faa032a27a7641d193ce6e587d97343c029186a Mon Sep 17 00:00:00 2001
From: Dan Williams <dcbw@redhat.com>
Date: Thu, 6 Oct 2011 09:34:10 -0500
Subject: [PATCH] nl80211: use floats for signal quality calculations

Since we're working with numbers less than one but greater than
zero, we need floats.  Otherwise stuff just gets clipped.
---
 src/wifi-utils-nl80211.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/wifi-utils-nl80211.c b/src/wifi-utils-nl80211.c
index ce9de6aa24..ee2068001d 100644
--- a/src/wifi-utils-nl80211.c
+++ b/src/wifi-utils-nl80211.c
@@ -215,8 +215,8 @@ static guint32 nl80211_mbm_to_percent (gint32 mbm)
 
 	mbm = CLAMP(mbm, NOISE_FLOOR_MBM, SIGNAL_MAX_MBM);
 
-	return 100 - 70 * ((SIGNAL_MAX_MBM - mbm) /
-			   (SIGNAL_MAX_MBM - NOISE_FLOOR_MBM));
+	return 100 - 70 * (((float) SIGNAL_MAX_MBM - (float) mbm) /
+			   ((float) SIGNAL_MAX_MBM - (float) NOISE_FLOOR_MBM));
 }
 
 struct nl80211_bss_info {