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