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![]() 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> |
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.. | ||
Kconfig | ||
ledtrig-activity.c | ||
ledtrig-audio.c | ||
ledtrig-backlight.c | ||
ledtrig-camera.c | ||
ledtrig-cpu.c | ||
ledtrig-default-on.c | ||
ledtrig-disk.c | ||
ledtrig-gpio.c | ||
ledtrig-heartbeat.c | ||
ledtrig-mtd.c | ||
ledtrig-netdev.c | ||
ledtrig-oneshot.c | ||
ledtrig-panic.c | ||
ledtrig-pattern.c | ||
ledtrig-timer.c | ||
ledtrig-transient.c | ||
ledtrig-tty.c | ||
Makefile |