diff --git a/drivers/net/wireless/mwifiex/11n.c b/drivers/net/wireless/mwifiex/11n.c
index 2bd07d6..e1c2f67 100644
--- a/drivers/net/wireless/mwifiex/11n.c
+++ b/drivers/net/wireless/mwifiex/11n.c
@@ -749,3 +749,45 @@
 
 	return;
 }
+
+u8 mwifiex_get_sec_chan_offset(int chan)
+{
+	u8 sec_offset;
+
+	switch (chan) {
+	case 36:
+	case 44:
+	case 52:
+	case 60:
+	case 100:
+	case 108:
+	case 116:
+	case 124:
+	case 132:
+	case 140:
+	case 149:
+	case 157:
+		sec_offset = IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
+		break;
+	case 40:
+	case 48:
+	case 56:
+	case 64:
+	case 104:
+	case 112:
+	case 120:
+	case 128:
+	case 136:
+	case 144:
+	case 153:
+	case 161:
+		sec_offset = IEEE80211_HT_PARAM_CHA_SEC_BELOW;
+		break;
+	case 165:
+	default:
+		sec_offset = IEEE80211_HT_PARAM_CHA_SEC_NONE;
+		break;
+	}
+
+	return sec_offset;
+}