Fan on a Rock 5A

[incognito]

Guide on how to customize you pwm fan curve

Now the new kernel has used pwm-fan kernel driver to deal with the fan control, so the old pwm fan scripts won’t work. Here is a guide on how to customize your onw pwm fan curve since different cases/environment/fans need different fan curve. I will take armbian’s kernel as example because I use armbian as my daily use os. But it will be similar if you’re using official radxa’s kernel, radxa’s kernel uses different cooling levels. If you take a look at the devicetree of rock5b, there is a node…

This works without a problem on 5A (on Joshua Riek’s Ubuntu and on Armbian).