1 files changed, 19 insertions, 0 deletions

diff --git a/Documentation/ABI/testing/sysfs-tty b/Documentation/ABI/testing/sysfs-tty
new file mode 100644
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+What:           /sys/class/tty/console/active
+Date:           Nov 2010
+Contact:        Kay Sievers <kay.sievers@vrfy.org>
+Description:
+                 Shows the list of currently configured
+                 console devices, like 'tty1 ttyS0'.
+                 The last entry in the file is the active
+                 device connected to /dev/console.
+                 The file supports poll() to detect virtual
+                 console switches.
+
+What:           /sys/class/tty/tty0/active
+Date:           Nov 2010
+Contact:        Kay Sievers <kay.sievers@vrfy.org>
+Description:
+                 Shows the currently active virtual console
+                 device, like 'tty1'.
+                 The file supports poll() to detect virtual
+                 console switches.