rt2x00: Add link tuner safe RX toggle states

This adds 2 new states which both are used to toggle
the RX. These new states are required for usage
inside the link tuner thread, because the normal
RX toggling will stop the link tuner thread.
While it is possible that the link tuner thread itself
is the caller of the RX toggle (when using software
antenna diversity).

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c
index 4ca9730..638c3d2 100644
--- a/drivers/net/wireless/rt2x00/rt2500usb.c
+++ b/drivers/net/wireless/rt2x00/rt2500usb.c
@@ -1001,8 +1001,12 @@
 		rt2500usb_disable_radio(rt2x00dev);
 		break;
 	case STATE_RADIO_RX_ON:
+	case STATE_RADIO_RX_ON_LINK:
+		rt2500usb_toggle_rx(rt2x00dev, STATE_RADIO_RX_ON);
+		break;
 	case STATE_RADIO_RX_OFF:
-		rt2500usb_toggle_rx(rt2x00dev, state);
+	case STATE_RADIO_RX_OFF_LINK:
+		rt2500usb_toggle_rx(rt2x00dev, STATE_RADIO_RX_OFF);
 		break;
 	case STATE_DEEP_SLEEP:
 	case STATE_SLEEP: