What: /sys/devices/.../firmware_node/ Date: September 2012 Contact: <> Description: The /sys/devices/.../firmware_node directory contains attributes allowing the user space to check and modify some firmware related properties of given device. What: /sys/devices/.../firmware_node/description Date: September 2012 Contact: Lance Ortiz Description: The /sys/devices/.../firmware/description attribute contains a string that describes the device as provided by the _STR method in the ACPI namespace. This attribute is read-only. If the device does not have an _STR method associated with it in the ACPI namespace, this attribute is not present.