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