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

What:		/sys/class/leds/<led>/ttyname
Date:		Dec 2020
KernelVersion:	5.10
Contact:	linux-leds@vger.kernel.org
Description:
		Specifies the tty device name of the triggering tty
leds: trigger: implement a tty trigger Usage is as follows: myled=ledname tty=ttyS0 echo tty > /sys/class/leds/$myled/trigger echo $tty > /sys/class/leds/$myled/ttyname . When this new trigger is active it periodically checks the tty's statistics and when it changed since the last check the led is flashed once. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Link: https://lore.kernel.org/r/20210113173018.bq2fkea2o3yp6rf6@pengutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 2021-01-13 17:30:18 +00:00			`What: /sys/class/leds/<led>/ttyname`
			`Date: Dec 2020`
			`KernelVersion: 5.10`
			`Contact: linux-leds@vger.kernel.org`
			`Description:`
			`Specifies the tty device name of the triggering tty`