Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/Documentation/ABI/testing/sysfs-class-chromeos b/Documentation/ABI/testing/sysfs-class-chromeos
new file mode 100644
index 0000000..5819699
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-class-chromeos
@@ -0,0 +1,32 @@
+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.