Documentation/ABI/testing/sysfs-class-led-trigger-tty

   1 What:           /sys/class/leds/<led>/ttyname
   2 Date:           Dec 2020
   3 KernelVersion:  5.10
   4 Contact:        linux-leds@vger.kernel.org
   5 Description:
   6                 Specifies the tty device name of the triggering tty