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authorGuy Mishol <guym@ti.com>2015-07-16 08:22:47 (GMT)
committerKalle Valo <kvalo@codeaurora.org>2015-07-21 15:07:34 (GMT)
commit5d6af28a2d240602a594cea236406a9d29bc719a (patch)
tree4b8943404738be8b1269f6714aa6e3010eebfc43 /drivers
parent6301566e0b2dafa7d6779598621bca867962a0a2 (diff)
downloadlinux-5d6af28a2d240602a594cea236406a9d29bc719a.tar.xz
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/ti/wlcore/rx.c3
-rw-r--r--drivers/net/wireless/ti/wlcore/rx.h3
2 files changed, 5 insertions, 1 deletions
diff --git a/drivers/net/wireless/ti/wlcore/rx.c b/drivers/net/wireless/ti/wlcore/rx.c
index e125974..7df672a 100644
--- 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..f5a7087c 100644
--- 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)