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cubelinux-kernel/Documentation/ABI/testing/sysfs-class-chromeos
T
Greg Kroah-Hartman 598cf27219 Linux 6.19.3
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Luna Jernberg <droidbittin@gmail.com>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-02-19 16:33:27 +01:00

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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.