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+What: /sys/bus/usb/.../version
+Date: July 2023
+KernelVersion: 6.4
+Contact: Ye Xiang <xiang.ye@intel.com>
+Description:
+ Provides the current firmware version of LJCA device.
+ The format is Major.Minor.Patch.Build, where
+ Major, Minor, Patch, and Build are decimal numbers.
+ For example: 1.0.0.256
+
+What: /sys/bus/usb/.../cmd
+Date: July 2023
+KernelVersion: 6.4
+Contact: Ye Xiang <xiang.ye@intel.com>
+Description:
+ Commands supported by LJCA device.
+ When read, it will return valid commands.
+ When write with a command, it will execute the command.
+ Valid commands are [dfu, debug]
+ - Writing "dfu" to this file so as to put the device into
+ DFU mode so the firmware can be updated.
+ - Writing "debug" to this file to enable debug logging.