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Commit 7bae8979 authored by James Hogan's avatar James Hogan Committed by Mauro Carvalho Chehab
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[media] media: rc: document rc class sysfs API 



Briefly document /sys/class/rc/ API for remote controller devices in
Documentation/ABI/teting.

Signed-off-by: default avatarJames Hogan <james.hogan@imgtec.com>
Cc: Rob Landley <rob@landley.net>
Signed-off-by: default avatarMauro Carvalho Chehab <m.chehab@samsung.com>
parent 70a2f912

Documentation/ABI/testing/sysfs-class-rc

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What:		/sys/class/rc/

Date:		Apr 2010

KernelVersion:	2.6.35

Contact:	Mauro Carvalho Chehab <m.chehab@samsung.com>

Description:

		The rc/ class sub-directory belongs to the Remote Controller

		core and provides a sysfs interface for configuring infrared

		remote controller receivers.



What:		/sys/class/rc/rcN/

Date:		Apr 2010

KernelVersion:	2.6.35

Contact:	Mauro Carvalho Chehab <m.chehab@samsung.com>

Description:

		A /sys/class/rc/rcN directory is created for each remote

		control receiver device where N is the number of the receiver.



What:		/sys/class/rc/rcN/protocols

Date:		Jun 2010

KernelVersion:	2.6.36

Contact:	Mauro Carvalho Chehab <m.chehab@samsung.com>

Description:

		Reading this file returns a list of available protocols,

		something like:

		    "rc5 [rc6] nec jvc [sony]"

		Enabled protocols are shown in [] brackets.

		Writing "+proto" will add a protocol to the list of enabled

		protocols.

		Writing "-proto" will remove a protocol from the list of enabled

		protocols.

		Writing "proto" will enable only "proto".

		Writing "none" will disable all protocols.

		Write fails with EINVAL if an invalid protocol combination or

		unknown protocol name is used.