Many thinkpads nowadays have 2nd fan which is separately controlled. Is it possible to include required patch in thinkpad_acpi module? Working patch for current (5.4.7) kernel: https://github.com/civic9/thinkpad_acpi.2ndfan.patch/blob/master/thinkpad_acpi.2ndfan.patch/thinkpad_acpi.2ndfan.patch https://github.com/civic9/thinkpad_acpi.2ndfan.patch/ regards, --c _______________________________________________ ibm-acpi-devel mailing list ibm-acpi-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/ibm-acpi-devel