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What: /sys/class/chromeos/<ec-device-name>/flashinfo
Date: August 2015
KernelVersion: 4.2
Description:
Show the EC flash information.
What: /sys/class/chromeos/<ec-device-name>/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/<ec-device-name>/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/<ec-device-name>/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.
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