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Diffstat (limited to 'Documentation/ABI/testing/sysfs-class-rc-nuvoton')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-rc-nuvoton | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-rc-nuvoton b/Documentation/ABI/testing/sysfs-class-rc-nuvoton new file mode 100644 index 0000000000..f7bad8ecd0 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-class-rc-nuvoton @@ -0,0 +1,15 @@ +What: /sys/class/rc/rc<N>/wakeup_data +Date: Mar 2016 +KernelVersion: 4.6 +Contact: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> +Description: + Reading this file returns the stored CIR wakeup sequence. + It starts with a pulse, followed by a space, pulse etc. + All values are in microseconds. + The same format can be used to store a wakeup sequence + in the Nuvoton chip by writing to this file. + + Note: Some systems reset the stored wakeup sequence to a + factory default on each boot. On such systems store the + wakeup sequence in a file and set it on boot using e.g. + a udev rule. |