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What: /sys/bus/wmi/devices/44FADEB1-B204-40F2-8581-394BBDC1B651[-X]/firmware_update_request
Date: April 2020
KernelVersion: 5.7
Contact: "Jithu Joseph" <jithu.joseph@intel.com>
Description:
Allow user space entities to trigger update of Slim
Bootloader (SBL). This attribute normally has a value
of 0 and userspace can signal SBL to update firmware,
on next reboot, by writing a value of 1.
There are two available states:
* 0 -> Skip firmware update while rebooting
* 1 -> Attempt firmware update on next reboot
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