From 5d7e73ba2fd54b17aa8a9f0bcc228a4200d094ad Mon Sep 17 00:00:00 2001 From: Guy Mishol Date: Mon, 27 Jul 2015 17:25:49 +0300 Subject: [PATCH] wlcore: add antenna diversity reading comments add comments to the antenna diversity reading Signed-off-by: Guy Mishol Signed-off-by: Kalle Valo --- drivers/net/wireless/ti/wlcore/rx.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/wireless/ti/wlcore/rx.c b/drivers/net/wireless/ti/wlcore/rx.c index 7df672a84530..5b2927391d1c 100644 --- a/drivers/net/wireless/ti/wlcore/rx.c +++ b/drivers/net/wireless/ti/wlcore/rx.c @@ -74,6 +74,12 @@ static void wl1271_rx_status(struct wl1271 *wl, if (desc->rate <= wl->hw_min_ht_rate) status->flag |= RX_FLAG_HT; + /* + * Read the signal level and antenna diversity indication. + * The msb in the signal level is always set as it is a + * negative number. + * The antenna indication is the msb of the rssi. + */ status->signal = ((desc->rssi & RSSI_LEVEL_BITMASK) | BIT(7)); status->antenna = ((desc->rssi & ANT_DIVERSITY_BITMASK) >> 7); -- 2.20.1