If rfkill is build as an module CONFIG_RFKILL_MODULE is set and cfg80211 will also depend on that.
Now all modules build from compat-wireless will not use rfkill.
SVN-Revision: 24143
+# CONFIG_RFKILL_BACKPORT_INPUT=y
endif #CONFIG_COMPAT_KERNEL_31
+--- a/include/linux/rfkill.h
++++ b/include/linux/rfkill.h
+@@ -3,6 +3,10 @@
+
+ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,31))
+
++#undef CONFIG_RFKILL
++#undef CONFIG_RFKILL_LEDS
++#undef CONFIG_RFKILL_MODULE
++
+ #include_next <linux/rfkill.h>
+
+ #else