wlcore: add antenna diversity reading

update the rssi reading on rx_status
to read both RSSI level (7 bits) and
antenna diversity (msb)

Signed-off-by: Guy Mishol <guym@ti.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

diff --git a/drivers/net/wireless/ti/wlcore/rx.c b/drivers/net/wireless/ti/wlcore/rx.c
index e125974..7df672a 100644 (file)
--- a/drivers/net/wireless/ti/wlcore/rx.c
+++ b/drivers/net/wireless/ti/wlcore/rx.c
@@ -74,7 +74,8 @@ static void wl1271_rx_status(struct wl1271 *wl,
        if (desc->rate <= wl->hw_min_ht_rate)
                status->flag |= RX_FLAG_HT;
 
-       status->signal = desc->rssi;
+       status->signal = ((desc->rssi & RSSI_LEVEL_BITMASK) | BIT(7));
+       status->antenna = ((desc->rssi & ANT_DIVERSITY_BITMASK) >> 7);
 
        /*
         * FIXME: In wl1251, the SNR should be divided by two.  In wl1271 we

diff --git a/drivers/net/wireless/ti/wlcore/rx.h b/drivers/net/wireless/ti/wlcore/rx.h
index a3b1618..f5a7087 100644 (file)
--- a/drivers/net/wireless/ti/wlcore/rx.h
+++ b/drivers/net/wireless/ti/wlcore/rx.h
@@ -30,6 +30,9 @@
 #define WL1271_RX_MAX_RSSI -30
 #define WL1271_RX_MIN_RSSI -95
 
+#define RSSI_LEVEL_BITMASK     0x7F
+#define ANT_DIVERSITY_BITMASK  BIT(7)
+
 #define SHORT_PREAMBLE_BIT   BIT(0)
 #define OFDM_RATE_BIT        BIT(6)
 #define PBCC_RATE_BIT        BIT(7)