p54: Add quality output to iwlist and iwconfig

The p54 driver family reports a quality of 0 in iwconfig and iwlist
output. This patch calculates a quality number as a percentage of the
rssi to the maximum signal of 127 reported as the maximum signal.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/net/wireless/p54/p54common.c b/drivers/net/wireless/p54/p54common.c
index 9f7224de6fd1..ffaf7a6b6810 100644
--- a/drivers/net/wireless/p54/p54common.c
+++ b/drivers/net/wireless/p54/p54common.c
@@ -357,6 +357,7 @@ static void p54_rx_data(struct ieee80211_hw *dev, struct sk_buff *skb)
 
         rx_status.signal = hdr->rssi;
         /* XX correct? */
+        rx_status.qual = (100 * hdr->rssi) / 127;
         rx_status.rate_idx = hdr->rate & 0xf;
         rx_status.freq = freq;
         rx_status.band = IEEE80211_BAND_2GHZ;