[B43]: RF-kill support

This adds full support for the RFKILL button and
the RFKILL LED trigger.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 9 insertions, 4 deletions

diff --git a/drivers/net/wireless/b43/phy.c b/drivers/net/wireless/b43/phy.c
index 354d18238752..5f7ffa0a76c0 100644
--- a/drivers/net/wireless/b43/phy.c
+++ b/drivers/net/wireless/b43/phy.c
@@ -4349,10 +4349,13 @@ void b43_radio_turn_on(struct b43_wldev *dev)
         phy->radio_on = 1;
 }
 
-void b43_radio_turn_off(struct b43_wldev *dev)
+void b43_radio_turn_off(struct b43_wldev *dev, bool force)
 {
         struct b43_phy *phy = &dev->phy;
 
+        if (!phy->radio_on && !force)
+                return;
+
         if (phy->type == B43_PHYTYPE_A) {
                 b43_radio_write16(dev, 0x0004, 0x00FF);
                 b43_radio_write16(dev, 0x0005, 0x00FB);
@@ -4364,9 +4367,11 @@ void b43_radio_turn_off(struct b43_wldev *dev)
 
                 rfover = b43_phy_read(dev, B43_PHY_RFOVER);
                 rfoverval = b43_phy_read(dev, B43_PHY_RFOVERVAL);
-                phy->radio_off_context.rfover = rfover;
-                phy->radio_off_context.rfoverval = rfoverval;
-                phy->radio_off_context.valid = 1;
+                if (!force) {
+                        phy->radio_off_context.rfover = rfover;
+                        phy->radio_off_context.rfoverval = rfoverval;
+                        phy->radio_off_context.valid = 1;
+                }
                 b43_phy_write(dev, B43_PHY_RFOVER, rfover | 0x008C);
                 b43_phy_write(dev, B43_PHY_RFOVERVAL, rfoverval & 0xFF73);
         } else