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>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/net/wireless/wl12xx/wl1251.h b/drivers/net/wireless/wl12xx/wl1251.h
index 4f5f02a26e62..6b942a28e6a5 100644
--- a/drivers/net/wireless/wl12xx/wl1251.h
+++ b/drivers/net/wireless/wl12xx/wl1251.h
@@ -381,6 +381,9 @@ struct wl1251 {
 
         u32 chip_id;
         char fw_ver[21];
+
+        /* Most recently reported noise in dBm */
+        s8 noise;
 };
 
 int wl1251_plt_start(struct wl1251 *wl);