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+rfkill - radio frequency (RF) connector kill switch support
+
+For details to this subsystem look at Documentation/rfkill.txt.
+
+What:           /sys/class/rfkill/rfkill[0-9]+/state
+Date:           09-Jul-2007
+KernelVersion   v2.6.22
+Contact:        linux-wireless@vger.kernel.org
+Description:    Current state of the transmitter.
+                This file is deprecated and sheduled to be removed in 2014,
+                because its not possible to express the 'soft and hard block'
+                state of the rfkill driver.
+Values:         A numeric value.
+                0: RFKILL_STATE_SOFT_BLOCKED
+                        transmitter is turned off by software
+                1: RFKILL_STATE_UNBLOCKED
+                        transmitter is (potentially) active
+                2: RFKILL_STATE_HARD_BLOCKED
+                        transmitter is forced off by something outside of
+                        the driver's control.
+
+What:           /sys/class/rfkill/rfkill[0-9]+/claim
+Date:           09-Jul-2007
+KernelVersion   v2.6.22
+Contact:        linux-wireless@vger.kernel.org
+Description:    This file is deprecated because there no longer is a way to
+                claim just control over a single rfkill instance.
+                This file is scheduled to be removed in 2012.
+Values:         0: Kernel handles events