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