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linux/drivers/leds/trigger
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Uwe Kleine-König fd4a641ac8 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>
2021-01-15 10:22:26 +01:00
..
Kconfig leds: trigger: implement a tty trigger 2021-01-15 10:22:26 +01:00
ledtrig-activity.c leds: Use all-in-one vtime aware kcpustat accessor 2019-11-21 07:58:48 +01:00
ledtrig-audio.c leds: trigger: Introduce audio mute LED trigger 2018-11-28 12:28:30 +01:00
ledtrig-backlight.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
ledtrig-camera.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
ledtrig-cpu.c ledtrig-cpu: Limit to 8 CPUs 2020-09-30 19:15:40 +02:00
ledtrig-default-on.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
ledtrig-disk.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
ledtrig-gpio.c leds: trigger: gpio: Avoid warning on update of inverted 2020-07-12 10:06:38 +02:00
ledtrig-heartbeat.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
ledtrig-mtd.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
ledtrig-netdev.c leds: trigger: netdev: fix handling on interface rename 2019-11-03 18:10:12 +01:00
ledtrig-oneshot.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
ledtrig-panic.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
ledtrig-pattern.c leds: pattern trigger -- check pattern for validity 2020-07-24 12:43:57 +02:00
ledtrig-timer.c leds: trigger: remove redundant assignment to variable ret 2020-04-27 14:13:12 +02:00
ledtrig-transient.c docs: leds: convert to ReST 2019-06-28 20:57:31 +02:00
ledtrig-tty.c leds: trigger: implement a tty trigger 2021-01-15 10:22:26 +01:00
Makefile leds: trigger: implement a tty trigger 2021-01-15 10:22:26 +01:00