Commit 0efbb786 authored by Andrew Clausen's avatar Andrew Clausen Committed by Johannes Berg
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rfkill: document rfkill module parameters 



Document the rfkill module parameters default_state and
master_switch_mode.

Signed-off-by: default avatarAndrew Clausen <andrew.p.clausen@gmail.com>
[rewrite commit message]
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 9b7a86f3

Documentation/kernel-parameters.txt

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@@ -3180,6 +3180,18 @@ 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

Documentation/rfkill.txt

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 - 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