diff options
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-led-driver-turris-omnia | 14 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-led-multicolor | 35 |
2 files changed, 49 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-led-driver-turris-omnia b/Documentation/ABI/testing/sysfs-class-led-driver-turris-omnia new file mode 100644 index 000000000000..795a5de12fc1 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-class-led-driver-turris-omnia @@ -0,0 +1,14 @@ +What: /sys/class/leds/<led>/device/brightness +Date: July 2020 +KernelVersion: 5.9 +Contact: Marek Behún <marek.behun@nic.cz> +Description: (RW) On the front panel of the Turris Omnia router there is also + a button which can be used to control the intensity of all the + LEDs at once, so that if they are too bright, user can dim them. + + The microcontroller cycles between 8 levels of this global + brightness (from 100% to 0%), but this setting can have any + integer value between 0 and 100. It is therefore convenient to be + able to change this setting from software. + + Format: %i diff --git a/Documentation/ABI/testing/sysfs-class-led-multicolor b/Documentation/ABI/testing/sysfs-class-led-multicolor new file mode 100644 index 000000000000..eeeddcbdbbe3 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-class-led-multicolor @@ -0,0 +1,35 @@ +What: /sys/class/leds/<led>/brightness +Date: March 2020 +KernelVersion: 5.9 +Contact: Dan Murphy <dmurphy@ti.com> +Description: read/write + Writing to this file will update all LEDs within the group to a + calculated percentage of what each color LED intensity is set + to. The percentage is calculated for each grouped LED via the + equation below: + + led_brightness = brightness * multi_intensity/max_brightness + + For additional details please refer to + Documentation/leds/leds-class-multicolor.rst. + + The value of the LED is from 0 to + /sys/class/leds/<led>/max_brightness. + +What: /sys/class/leds/<led>/multi_index +Date: March 2020 +KernelVersion: 5.9 +Contact: Dan Murphy <dmurphy@ti.com> +Description: read + The multi_index array, when read, will output the LED colors + as an array of strings as they are indexed in the + multi_intensity file. + +What: /sys/class/leds/<led>/multi_intensity +Date: March 2020 +KernelVersion: 5.9 +Contact: Dan Murphy <dmurphy@ti.com> +Description: read/write + This file contains array of integers. Order of components is + described by the multi_index array. The maximum intensity should + not exceed /sys/class/leds/<led>/max_brightness. |