162306a36Sopenharmony_ciWhat: /sys/class/leds/<led>/device/brightness 262306a36Sopenharmony_ciDate: July 2020 362306a36Sopenharmony_ciKernelVersion: 5.9 462306a36Sopenharmony_ciContact: Marek Behún <kabel@kernel.org> 562306a36Sopenharmony_ciDescription: (RW) On the front panel of the Turris Omnia router there is also 662306a36Sopenharmony_ci a button which can be used to control the intensity of all the 762306a36Sopenharmony_ci LEDs at once, so that if they are too bright, user can dim them. 862306a36Sopenharmony_ci 962306a36Sopenharmony_ci The microcontroller cycles between 8 levels of this global 1062306a36Sopenharmony_ci brightness (from 100% to 0%), but this setting can have any 1162306a36Sopenharmony_ci integer value between 0 and 100. It is therefore convenient to be 1262306a36Sopenharmony_ci able to change this setting from software. 1362306a36Sopenharmony_ci 1462306a36Sopenharmony_ci Format: %i 15