Hi all,

This patch documents two rfkill module parameters, namely
rfkill.default_state and rfkill.master_switch_mode.

I constructed the patch from Ubuntu packaged source, but I'm happy to
adapt it to any git tree.

Kind regards,
Andrew

Signed-off-by: Andrew Clausen <[email protected]>
---

diff --git a/Documentation/kernel-parameters.txt
b/Documentation/kernel-parameters.txt
index 011855b..824ee3b 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -2999,6 +2999,20 @@ bytes respectively. Such letter suffixes can
also be entirely omitted.

     retain_initrd    [RAM] Keep initrd memory after extraction

+    rfkill.default_state=
+        0        "airplane mode".  All wifi, bluetooth, wimax,
+                gps, fm, etc. communication is blocked by
+                default.
+        1        Unblocked.
+
+    rfkill.master_switch_mode=
+        0        The "airplane mode" button does nothing.
+        1        The "airplane mode" button toggles between
+                everything blocked and the previous
+                configuration.
+        2        The "airplane mode" button toggles between
+                everything blocked and everything unblocked.
+
     rhash_entries=    [KNL,NET]
             Set number of hash buckets for route cache

diff --git a/Documentation/rfkill.txt b/Documentation/rfkill.txt
index 427e897..2ee6ef9 100644
--- a/Documentation/rfkill.txt
+++ b/Documentation/rfkill.txt
@@ -25,6 +25,9 @@ whether they can be changed or not:
  - soft block: writable radio block (need not be readable) that is set by
                the system software.

+The rfkill subsystem has two parameters, rfkill.default_state and
+rfkill.master_switch_mode, which are documented in kernel-parameters.txt.
+

 2. Implementation details
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