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nl80211: use floats for signal quality calculations

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Since we're working with numbers less than one but greater than
zero, we need floats.  Otherwise stuff just gets clipped.
This commit is contained in:
Dan Williams 2011-10-06 09:34:10 -05:00
parent 3f39e6a95f
commit 8faa032a27
1 changed files with 2 additions and 2 deletions
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4
src/wifi-utils-nl80211.c
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@ -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 {