1*4882a593SmuzhiyunWhat: /sys/bus/wmi/devices/44FADEB1-B204-40F2-8581-394BBDC1B651/firmware_update_request 2*4882a593SmuzhiyunDate: April 2020 3*4882a593SmuzhiyunKernelVersion: 5.7 4*4882a593SmuzhiyunContact: "Jithu Joseph" <jithu.joseph@intel.com> 5*4882a593SmuzhiyunDescription: 6*4882a593Smuzhiyun Allow user space entities to trigger update of Slim 7*4882a593Smuzhiyun Bootloader (SBL). This attribute normally has a value 8*4882a593Smuzhiyun of 0 and userspace can signal SBL to update firmware, 9*4882a593Smuzhiyun on next reboot, by writing a value of 1. 10*4882a593Smuzhiyun There are two available states: 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun * 0 -> Skip firmware update while rebooting 13*4882a593Smuzhiyun * 1 -> Attempt firmware update on next reboot 14