Dear all, The new Lenovo Thinkpad P15/P15v series are both equipped with two fans (with independent fan control). Simply enabling TPACPI_FAN_2CTL for the respective firmware is enough to make fan control work. I have tested the following patch on my P15 (with "N30..." firmware): I can control the second fan via /proc/acpi/ibm/fan, and the second fan now shows up in lm-sensors: $ sensors [...] thinkpad-isa-0000 Adapter: ISA adapter fan1: 0 RPM fan2: 0 RPM Best, Matthias _______________________________________________ ibm-acpi-devel mailing list ibm-acpi-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/ibm-acpi-devel