What: /sys/class/chromeos//flashinfo Date: August 2015 KernelVersion: 4.2 Description: Show the EC flash information. What: /sys/class/chromeos//kb_wake_angle Date: March 2018 KernelVersion: 4.17 Description: Control the keyboard wake lid angle. Values are between 0 and 360. This file will also show the keyboard wake lid angle by querying the hardware. What: /sys/class/chromeos//reboot Date: August 2015 KernelVersion: 4.2 Description: Tell the EC to reboot in various ways. Options are: - "cancel": Cancel a pending reboot. - "ro": Jump to RO without rebooting. - "rw": Jump to RW without rebooting. - "cold": Cold reboot. - "disable-jump": Disable jump until next reboot. - "hibernate": Hibernate the EC. - "at-shutdown": Reboot after an AP shutdown. What: /sys/class/chromeos//version Date: August 2015 KernelVersion: 4.2 Description: Show the information about the EC software and hardware. What: /sys/class/chromeos/cros_ec/usbpdmuxinfo Date: February 2025 Description: Show PD mux status for each typec port with following flags: - "USB": USB connected - "DP": DP connected - "POLARITY": CC line Polarity inverted - "HPD_IRQ": Hot Plug Detect interrupt is asserted - "HPD_LVL": Hot Plug Detect level is asserted - "SAFE": DP is in safe mode - "TBT": TBT enabled - "USB4": USB4 enabled What: /sys/class/chromeos/cros_ec/ap_mode_entry Date: February 2025 Description: Show if the AP mode entry EC feature is supported. It indicates whether the EC waits for direction from the AP to enter Type-C altmodes or USB4 mode.