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mwifiex: update signal strength in mBm units 

During wiphy registration signal_type is initialized to
CFG80211_SIGNAL_TYPE_MBM. So convert signal strength from dBm to
mBm. Also, the value is absolute. Make it negative before
sending to cfg80211.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Amitkumar Karwar 2012-03-15 20:51:47 -07:00 committed by John W. Linville
parent d17087e78d
commit c9919be642
1 changed files with 3 additions and 2 deletions
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5
drivers/net/wireless/mwifiex/scan.c
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@ -1667,8 +1667,9 @@ int mwifiex_ret_802_11_scan(struct mwifiex_private *priv,
memcpy(bssid, bcn_param->bssid, ETH_ALEN);
rssi = (s32) (bcn_param->rssi);
dev_dbg(adapter->dev, "info: InterpretIE: RSSI=%02X\n", rssi);
rssi = (s32) bcn_param->rssi;
rssi = (-rssi) * 100; /* Convert dBm to mBm */
dev_dbg(adapter->dev, "info: InterpretIE: RSSI=%d\n", rssi);
beacon_period = le16_to_cpu(bcn_param->beacon_period);