diff -Naur linux/drivers/net/wireless/zd1211rw/zd_mac.c zdpats/drivers/net/wireless/zd1211rw/zd_mac.c
--- linux/drivers/net/wireless/zd1211rw/zd_mac.c	2011-05-19 06:06:34.000000000 +0200
+++ zdpats/drivers/net/wireless/zd1211rw/zd_mac.c	2011-06-25 17:46:33.146013429 +0200
@@ -227,14 +227,19 @@
 static int set_rx_filter(struct zd_mac *mac)
 {
 	unsigned long flags;
-	u32 filter = STA_RX_FILTER;
+	struct zd_ioreq32 ioreqs[] = {
+		{CR_RX_FILTER, STA_RX_FILTER},
+		{ CR_SNIFFER_ON, 0U },
+	};
 
 	spin_lock_irqsave(&mac->lock, flags);
-	if (mac->pass_ctrl)
-		filter |= RX_FILTER_CTRL;
+	if (mac->pass_ctrl) {
+		ioreqs[0].value |= 0xFFFFFFFF;
+		ioreqs[1].value = 0x1;
+	}
 	spin_unlock_irqrestore(&mac->lock, flags);
 
-	return zd_iowrite32(&mac->chip, CR_RX_FILTER, filter);
+	return zd_iowrite32a(&mac->chip, ioreqs, ARRAY_SIZE(ioreqs));
 }
 
 static int set_mac_and_bssid(struct zd_mac *mac)
@@ -970,7 +975,8 @@
 	/* Caller has to ensure that length >= sizeof(struct rx_status). */
 	status = (struct rx_status *)
 		(buffer + (length - sizeof(struct rx_status)));
-	if (status->frame_status & ZD_RX_ERROR) {
+	if ((status->frame_status & ZD_RX_ERROR) || 
+		(status->frame_status & ~0x21)) {
 		if (mac->pass_failed_fcs &&
 				(status->frame_status & ZD_RX_CRC32_ERROR)) {
 			stats.flag |= RX_FLAG_FAILED_FCS_CRC;
@@ -983,7 +989,8 @@
 	stats.freq = zd_channels[_zd_chip_get_channel(&mac->chip) - 1].center_freq;
 	stats.band = IEEE80211_BAND_2GHZ;
 	stats.signal = zd_check_signal(hw, status->signal_strength);
-
+	stats.signal = stats.signal - 90;
+	
 	rate = zd_rx_rate(buffer, status);
 
 	/* todo: return index in the big switches in zd_rx_rate instead */
@@ -1312,7 +1319,7 @@
 	hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &mac->band;
 
 	hw->flags = IEEE80211_HW_RX_INCLUDES_FCS |
-		    IEEE80211_HW_SIGNAL_UNSPEC |
+		    IEEE80211_HW_SIGNAL_DBM |
 		    IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
 		    IEEE80211_HW_MFP_CAPABLE;
 
 	hw->wiphy->interface_modes =
