On Tue, Mar 1, 2022 at 9:32 PM Paweł Dembicki <paweldembicki@xxxxxxxxx> wrote: > It has a fan controlled by the lm63: PWM controller. Aha it is one of those combo things, sorry for my ignorance. > But the fan blows > only on disks, board temperature won't change even when PWM = 100%. > It should be controlled by hdd temperature. We have a way to even monitor the temperature of individual hard disks these days and I create a thermal zone and use it here to control a fan in this DTS: arch/arm/boot/dts/gemini-dlink-dir-685.dts Yours, Linus Walleij
