Add a documentation of LED Multicolor LED class specific sysfs attributes. Signed-off-by: Dan Murphy <dmurphy@xxxxxx> --- .../ABI/testing/sysfs-class-led-multicolor | 38 +++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-class-led-multicolor diff --git a/Documentation/ABI/testing/sysfs-class-led-multicolor b/Documentation/ABI/testing/sysfs-class-led-multicolor new file mode 100644 index 000000000000..19f8da9b150e --- /dev/null +++ b/Documentation/ABI/testing/sysfs-class-led-multicolor @@ -0,0 +1,38 @@ +What: /sys/class/leds/<led>/color/sync_enable +Date: January 2019 +KernelVersion: 5.0 +Contact: Dan Murphy <dmurphy@xxxxxx> +Description: read/write + Writing a 1 to this file will enable the sychronization of all + the defined color LEDs within the LED node. Writing a 0 to + this file will disable syncing. + +What: /sys/class/leds/<led>/color/sync +Date: January 2019 +KernelVersion: 5.0 +Contact: Dan Murphy <dmurphy@xxxxxx> +Description: write only + Writing a 1 to this file while sync_enable is set to 1 will + synchronize all defined LEDs within the LED node. All LEDs + defined will be configured based on the brightness that has + been requested. + + If sync_enable is set to 0 then writing a 1 to sync has no + affect on the LEDs. + +What: /sys/class/leds/<led>/color/<led color> +Date: January 2019 +KernelVersion: 5.0 +Contact: Dan Murphy <dmurphy@xxxxxx> +Description: read/write + These files are dynamically created based on the colors defined + by the registrar of the class. + The led color(s) can be but not limited to red, green, blue, + white, amber and violet. If sync is enabled then writing the + brightness value of the LED is deferred until a 1 is + written to /sys/class/leds/<led>/color/sync. If syncing is + disabled then the LED brightness value will be written + immediately to the LED driver. + + The value of the color is from 0 to + /sys/class/leds/<led>/max_brightness. -- 2.20.1.98.gecbdaf0899
