RSS Bot Posted June 17, 2023 Posted June 17, 2023 Description Add pwm fan support to NanoPi R4S. Document from FriendlyElec: https://wiki.friendlyelec.com/wiki/index.php/NanoPi_R4S#How_to_Control_Fan_Speed_for_Cooling And reference code: https://github.com/friendlyarm/kernel-rockchip/commit/f74ac319f02e2d22cdd33227e7f167e4232809f9 How Has This Been Tested? build and run on R4SE hardware. [x] fan works [x] /sys/devices/virtual/thermal/thermal_zone0/trip_point_[3/4]_temp controls two speed of the fan Checklist: [x] My code follows the style guidelines of this project [x] I have performed a self-review of my own code [x] I have commented my code, particularly in hard-to-understand areas [ ] I have made corresponding changes to the documentation [x] My changes generate no new warnings [x] Any dependent changes have been merged and published in downstream modules View the full article
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