Add a documentation of LED Multicolor LED class specific sysfs attributes. Signed-off-by: Dan Murphy <dmur...@ti.com> --- .../ABI/testing/sysfs-class-led-multicolor | 67 +++++++++++++++++++ 1 file changed, 67 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..59839f0eae76 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-class-led-multicolor @@ -0,0 +1,67 @@ +What: /sys/class/leds/<led>/brightness +Date: Sept 2019 +KernelVersion: TBD +Contact: Dan Murphy <dmur...@ti.com> +Description: read/write + The multicolor class will redirect the device drivers call back + function for brightness control to the multicolor class + brightness control function. + + Writing to this file will update all LEDs within the group to a + calculated percentage of what each color LED in the group is set + to. Please refer to the leds-class-multicolor.txt in the + Documentation directory for a complete description. + + The value of the color is from 0 to + /sys/class/leds/<led>/max_brightness. + +What: /sys/class/leds/<led>/colors/color_mix +Date: Sept 2019 +KernelVersion: TBD +Contact: Dan Murphy <dmur...@ti.com> +Description: read/write + The color_mix file allows writing all registered multicolor LEDs + virtually at the same time. The value(s) written to this file + contain the intensity values for each multicolor LED within + the colors directory. The color indexes are reported in the + color_id file as defined in this document. + Please refer to the leds-class-multicolor.txt in the + Documentation directory for a complete description. + +What: /sys/class/leds/<led>/colors/<led_color>/color_id +Date: Sept 2019 +KernelVersion: TBD +Contact: Dan Murphy <dmur...@ti.com> +Description: read only + This file when read will return the index of the color in the + color_mix. + Please refer to the leds-class-multicolor.txt in the + Documentation directory for a complete description. + +What: /sys/class/leds/<led>/colors/<led_color>/intensity +Date: Sept 2019 +KernelVersion: TBD +Contact: Dan Murphy <dmur...@ti.com> +Description: read/write + The led_color directory is dynamically created based on the + colors defined by the registrar of the class. + The led_color can be but not limited to red, green, blue, + white, amber, yellow and violet. Drivers can also declare a + LED color for presentation. There is one directory per color + presented. The brightness file is created under each + led_color directory and controls the individual LED color + setting. + + The value of the color is from 0 to + /sys/class/leds/<led>/colors/<led_color>/max_intensity. + +What: /sys/class/leds/<led>/colors/<led_color>/max_intensity +Date: Sept 2019 +KernelVersion: TBD +Contact: Dan Murphy <dmur...@ti.com> +Description: read only + Maximum intensity level for the LED color, default is + 255 (LED_FULL). + + If the LED does not support different intensity levels, this + should be 1. -- 2.22.0.214.g8dca754b1e
