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Commit 5d6af28a authored Jul 16, 2015 by Guy Mishol Committed by Kalle Valo Jul 21, 2015

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>

parent 6301566e

drivers/net/wireless/ti/wlcore/rx.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -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

drivers/net/wireless/ti/wlcore/rx.h

+3 −0

Original line number	Diff line number	Diff line
		@@ -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)