Dan, On 9/16/19 3:56 PM, Dan Murphy wrote: > Hello > > On 9/15/19 8:57 AM, Jacek Anaszewski wrote: >> Hi Dan, >> >> On 9/11/19 8:01 PM, Dan Murphy wrote: >>> Add a documentation of LED Multicolor LED class specific >>> sysfs attributes. >>> >>> Signed-off-by: Dan Murphy <dmurphy@xxxxxx> >>> --- >>> .../ABI/testing/sysfs-class-led-multicolor | 73 +++++++++++++++++++ >>> 1 file changed, 73 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..4ea54c2ad4c8 >>> --- /dev/null >>> +++ b/Documentation/ABI/testing/sysfs-class-led-multicolor >>> @@ -0,0 +1,73 @@ >>> +What: /sys/class/leds/<led>/brightness >>> +Date: Sept 2019 >>> +KernelVersion: 5.5 >>> +Contact: Dan Murphy <dmurphy@xxxxxx> >>> +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. The percentage is calculated via the equation below: >>> + >>> + led_brightness = requested_value * >>> led_color_intensity/led_color_max_intensity >>> + >>> + For additional details please refer to >>> + Documentation/leds/leds-class-multicolor.rst. >>> + >>> + 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: 5.5 >>> +Contact: Dan Murphy <dmurphy@xxxxxx> >>> +Description: read/write >>> + The values written to this file should contain the intensity >>> + values of each multicolor LED within the colors directory. The >>> + index of given color is reported by the color_id file >>> present in >>> + colors/<color> directory. The index determines the position in >>> + the sequence of intensities on which the related intensity >>> + should be passed to this file. >>> + >>> + For additional details please refer to >>> + Documentation/leds/leds-class-multicolor.rst. >> As already mentioned in the reply to Pavel - let's avoid the >> introduction of another sysfs file with multiple values. > > OK for clarification remove the color_mix and color_id files and keep > the intensity files? Exactly. -- Best regards, Jacek Anaszewski
