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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>
This commit is contained in:
Guy Mishol 2015-07-16 11:22:47 +03:00 committed by Kalle Valo
parent 6301566e0b
commit 5d6af28a2d
2 changed files with 5 additions and 1 deletions
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3
drivers/net/wireless/ti/wlcore/rx.c
View File

@ -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

3
drivers/net/wireless/ti/wlcore/rx.h
View File

@ -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)