Merge branch 'upstream-fixes' into upstream

[pandora-kernel.git] / drivers / net / wireless / zd1211rw / zd_chip.c

diff --git a/drivers/net/wireless/zd1211rw/zd_chip.c b/drivers/net/wireless/zd1211rw/zd_chip.c
index 5841998..7c4e32c 100644 (file)
--- a/drivers/net/wireless/zd1211rw/zd_chip.c
+++ b/drivers/net/wireless/zd1211rw/zd_chip.c
@@ -1435,9 +1435,43 @@ static int ofdm_qual_db(u8 status_quality, u8 rate, unsigned int size)
                        break;
        }
 
+       switch (rate) {
+       case ZD_OFDM_RATE_6M:
+       case ZD_OFDM_RATE_9M:
+               i += 3;
+               break;
+       case ZD_OFDM_RATE_12M:
+       case ZD_OFDM_RATE_18M:
+               i += 5;
+               break;
+       case ZD_OFDM_RATE_24M:
+       case ZD_OFDM_RATE_36M:
+               i += 9;
+               break;
+       case ZD_OFDM_RATE_48M:
+       case ZD_OFDM_RATE_54M:
+               i += 15;
+               break;
+       default:
+               return -EINVAL;
+       }
+
        return i;
 }
 
+static int ofdm_qual_percent(u8 status_quality, u8 rate, unsigned int size)
+{
+       int r;
+
+       r = ofdm_qual_db(status_quality, rate, size);
+       ZD_ASSERT(r >= 0);
+       if (r < 0)
+               r = 0;
+
+       r = (r * 100)/29;
+       return r <= 100 ? r : 100;
+}
+
 static unsigned int log10times100(unsigned int x)
 {
        static const u8 log10[] = {
@@ -1481,31 +1515,28 @@ static int cck_snr_db(u8 status_quality)
        return r;
 }
 
-static int rx_qual_db(const void *rx_frame, unsigned int size,
-                     const struct rx_status *status)
+static int cck_qual_percent(u8 status_quality)
 {
-       return (status->frame_status&ZD_RX_OFDM) ?
-               ofdm_qual_db(status->signal_quality_ofdm,
-                            zd_ofdm_plcp_header_rate(rx_frame),
-                            size) :
-               cck_snr_db(status->signal_quality_cck);
+       int r;
+
+       r = cck_snr_db(status_quality);
+       r = (100*r)/17;
+       return r <= 100 ? r : 100;
 }
 
 u8 zd_rx_qual_percent(const void *rx_frame, unsigned int size,
                      const struct rx_status *status)
 {
-       int r = rx_qual_db(rx_frame, size, status);
-       if (r < 0)
-               r = 0;
-       r = (r * 100) / 14;
-       if (r > 100)
-               r = 100;
-       return r;
+       return (status->frame_status&ZD_RX_OFDM) ?
+               ofdm_qual_percent(status->signal_quality_ofdm,
+                                 zd_ofdm_plcp_header_rate(rx_frame),
+                                 size) :
+               cck_qual_percent(status->signal_quality_cck);
 }
 
 u8 zd_rx_strength_percent(u8 rssi)
 {
-       int r = (rssi*100) / 30;
+       int r = (rssi*100) / 41;
        if (r > 100)
                r = 100;
        return (u8) r;