mac80211: Add radio led trigger

Some devices have a seperate LED which indicates if the radio is
enabled or not. This adds a LED trigger to mac80211 where drivers
can hook into when they are interested in radio status changes.

v2: Check hw.conf.radio_enabled when calling start().

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 0 deletions

diff --git a/net/mac80211/ieee80211.c b/net/mac80211/ieee80211.c
index 8ba69ae676ca..4807e5215a79 100644
--- a/net/mac80211/ieee80211.c
+++ b/net/mac80211/ieee80211.c
@@ -219,6 +219,7 @@ static int ieee80211_open(struct net_device *dev)
                 if (res)
                         return res;
                 ieee80211_hw_config(local);
+                ieee80211_led_radio(local, local->hw.conf.radio_enabled);
         }
 
         switch (sdata->type) {
@@ -392,6 +393,8 @@ static int ieee80211_stop(struct net_device *dev)
                 if (local->ops->stop)
                         local->ops->stop(local_to_hw(local));
 
+                ieee80211_led_radio(local, 0);
+
                 tasklet_disable(&local->tx_pending_tasklet);
                 tasklet_disable(&local->tasklet);
         }