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authorJohn W. Linville <linville@tuxdriver.com>2010-07-28 15:23:30 -0400
committerJohn W. Linville <linville@tuxdriver.com>2010-07-29 12:46:47 -0400
commit19434148d16dc231026f37af7c40e81ad9342e75 (patch)
treeee649a89a690db417e2f3d19980a4a6ec4b9e6fb /drivers/net/wireless/wl12xx/wl1251_rx.c
parenta55427e8284541d43630f10a6c637b28802c21b0 (diff)
wl1251: add get_survey callback in order to get channel noise
Signed-off-by: John W. Linville <linville@tuxdriver.com> Acked-by: Kalle Valo <kvalo@adurom.com>
Diffstat (limited to 'drivers/net/wireless/wl12xx/wl1251_rx.c')
-rw-r--r--drivers/net/wireless/wl12xx/wl1251_rx.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/wireless/wl12xx/wl1251_rx.c b/drivers/net/wireless/wl12xx/wl1251_rx.c
index 851515836a7..1b6294b3b99 100644
--- a/drivers/net/wireless/wl12xx/wl1251_rx.c
+++ b/drivers/net/wireless/wl12xx/wl1251_rx.c
@@ -74,6 +74,12 @@ static void wl1251_rx_status(struct wl1251 *wl,
status->signal = desc->rssi;
+ /*
+ * FIXME: guessing that snr needs to be divided by two, otherwise
+ * the values don't make any sense
+ */
+ wl->noise = desc->rssi - desc->snr / 2;
+
status->freq = ieee80211_channel_to_frequency(desc->channel);
status->flag |= RX_FLAG_TSFT;