| What: /sys/class/leds/<led>/device/brightness |
| Date: July 2020 |
| KernelVersion: 5.9 |
| Contact: Marek Behún <kabel@kernel.org> |
| 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 |
| |
| What: /sys/class/leds/<led>/device/gamma_correction |
| Date: August 2023 |
| KernelVersion: 6.6 |
| Contact: Marek Behún <kabel@kernel.org> |
| Description: (RW) Newer versions of the microcontroller firmware of the |
| Turris Omnia router support gamma correction for the RGB LEDs. |
| This feature can be enabled/disabled by writing to this file. |
| |
| If the feature is not supported because the MCU firmware is too |
| old, the file always reads as 0, and writing to the file results |
| in the EOPNOTSUPP error. |
| |
| Format: %i |
