xref: /linux/Documentation/ABI/testing/sysfs-class-rc-nuvoton (revision 03ab8e6297acd1bc0eedaa050e2a1635c576fd11)
1*a5d01b5fSMauro Carvalho ChehabWhat:		/sys/class/rc/rc<N>/wakeup_data
202212001SHeiner KallweitDate:		Mar 2016
302212001SHeiner KallweitKernelVersion:	4.6
4901b9dd5SMauro Carvalho ChehabContact:	Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
502212001SHeiner KallweitDescription:
602212001SHeiner Kallweit		Reading this file returns the stored CIR wakeup sequence.
702212001SHeiner Kallweit		It starts with a pulse, followed by a space, pulse etc.
802212001SHeiner Kallweit		All values are in microseconds.
902212001SHeiner Kallweit		The same format can be used to store a wakeup sequence
1002212001SHeiner Kallweit		in the Nuvoton chip by writing to this file.
1102212001SHeiner Kallweit
1202212001SHeiner Kallweit		Note: Some systems reset the stored wakeup sequence to a
1302212001SHeiner Kallweit		factory default on each boot. On such systems store the
1402212001SHeiner Kallweit		wakeup sequence in a file and set it on boot using e.g.
1502212001SHeiner Kallweit		a udev rule.
16