sfan_handle 8329 drivers/platform/x86/thinkpad_acpi.c if (!acpi_evalf(sfan_handle, NULL, NULL, "vd", level)) sfan_handle 8427 drivers/platform/x86/thinkpad_acpi.c if (!acpi_evalf(sfan_handle, NULL, NULL, "vd", s)) sfan_handle 8469 drivers/platform/x86/thinkpad_acpi.c if (!acpi_evalf(sfan_handle, NULL, NULL, "vd", 0x00)) sfan_handle 8825 drivers/platform/x86/thinkpad_acpi.c if (sfan_handle) {