openwrt/package/base-files/files/etc/init.d/led
Olliver Schinagl 404cad6470 base-files: LED/trigger/heartbeat: Add support for inversion
The heartbeat trigger has the option to be inverted, however
openwrt/uci/luci have no way to set this.

This patch adds this support.

Signed-off-by: Olliver Schinagl <oliver@schinagl.nl>
2022-08-06 19:58:46 +02:00

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#!/bin/sh /etc/rc.common
# Copyright (C) 2008 OpenWrt.org
START=96
load_led() {
local name
local sysfs
local trigger
local dev
local ports
local mode
local default
local delayon
local delayoff
local interval
config_get sysfs $1 sysfs
config_get name $1 name "$sysfs"
config_get trigger $1 trigger "none"
config_get dev $1 dev
config_get ports $1 port
config_get mode $1 mode
config_get_bool default $1 default "0"
config_get delayon $1 delayon
config_get delayoff $1 delayoff
config_get interval $1 interval "50"
config_get port_state $1 port_state
config_get delay $1 delay "150"
config_get message $1 message ""
config_get gpio $1 gpio "0"
config_get_bool inverted $1 inverted "0"
# execute application led trigger
[ -f "/usr/libexec/led-trigger/${trigger}" ] && {
. "/usr/libexec/led-trigger/${trigger}"
return 0
}
[ "$trigger" = "usbdev" ] && {
# Backward compatibility: translate to the new trigger
trigger="usbport"
# Translate port of root hub, e.g. 4-1 -> usb4-port1
ports=$(echo "$dev" | sed -n 's/^\([0-9]*\)-\([0-9]*\)$/usb\1-port\2/p')
# Translate port of extra hub, e.g. 2-2.4 -> 2-2-port4
[ -z "$ports" ] && ports=$(echo "$dev" | sed -n 's/\./-port/p')
}
[ -e /sys/class/leds/${sysfs}/brightness ] && {
echo "setting up led ${name}"
printf "%s %s %d\n" \
"$sysfs" \
"$(sed -ne 's/^.*\[\(.*\)\].*$/\1/p' /sys/class/leds/${sysfs}/trigger)" \
"$(cat /sys/class/leds/${sysfs}/brightness)" \
>> /var/run/led.state
[ "$default" = 0 ] &&
echo 0 >/sys/class/leds/${sysfs}/brightness
echo $trigger > /sys/class/leds/${sysfs}/trigger 2> /dev/null
ret="$?"
[ $default = 1 ] &&
cat /sys/class/leds/${sysfs}/max_brightness > /sys/class/leds/${sysfs}/brightness
[ $ret = 0 ] || {
echo >&2 "Skipping trigger '$trigger' for led '$name' due to missing kernel module"
return 1
}
case "$trigger" in
"heartbeat")
echo "${inverted}" > "/sys/class/leds/${sysfs}/invert"
;;
"netdev")
[ -n "$dev" ] && {
echo $dev > /sys/class/leds/${sysfs}/device_name
for m in $mode; do
[ -e "/sys/class/leds/${sysfs}/$m" ] && \
echo 1 > /sys/class/leds/${sysfs}/$m
done
echo $interval > /sys/class/leds/${sysfs}/interval
}
;;
"timer"|"oneshot")
[ -n "$delayon" ] && \
echo $delayon > /sys/class/leds/${sysfs}/delay_on
[ -n "$delayoff" ] && \
echo $delayoff > /sys/class/leds/${sysfs}/delay_off
;;
"usbport")
local p
for p in $ports; do
echo 1 > /sys/class/leds/${sysfs}/ports/$p
done
;;
"port_state")
[ -n "$port_state" ] && \
echo $port_state > /sys/class/leds/${sysfs}/port_state
;;
"gpio")
echo $gpio > /sys/class/leds/${sysfs}/gpio
echo $inverted > /sys/class/leds/${sysfs}/inverted
;;
switch[0-9]*)
local port_mask speed_mask
config_get port_mask $1 port_mask
[ -n "$port_mask" ] && \
echo $port_mask > /sys/class/leds/${sysfs}/port_mask
config_get speed_mask $1 speed_mask
[ -n "$speed_mask" ] && \
echo $speed_mask > /sys/class/leds/${sysfs}/speed_mask
[ -n "$mode" ] && \
echo "$mode" > /sys/class/leds/${sysfs}/mode
;;
esac
}
}
start() {
[ -e /sys/class/leds/ ] && {
[ -s /var/run/led.state ] && {
local led trigger brightness
while read led trigger brightness; do
[ -e "/sys/class/leds/$led/trigger" ] && \
echo "$trigger" > "/sys/class/leds/$led/trigger"
[ -e "/sys/class/leds/$led/brightness" ] && \
echo "$brightness" > "/sys/class/leds/$led/brightness"
done < /var/run/led.state
rm /var/run/led.state
}
config_load system
config_foreach load_led led
}
}