April 2, 20251 yr I have a rock 5c headless server running debian minimal with kernel 6.12.20. It runs fine for my use case, but the fan runs at full speed by default. I can manually set different fan speeds in /sys/devices/platform/pwm-fan/hwmon/hwmon2/pwm1 I have selected 'fanctrl' in armbian-config, but this does not reduce the default speed of the fan. I noticed that there are some recent patches published here and here, I assume these patches are there to deal with the fan control deficiency? Could these patches either a) be applied to the rock 5c dts file that comes with the armbian image or b) perhaps it is better to create a user defined overlay in /boot/overlay-user/? Would someone be able to assist with guidance on how to implement the required modifications?
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