base-files: add new application led trigger backend

[openwrt/staging/rmilecki.git] / package / base-files / files / etc / init.d / led

diff --git a/package/base-files/files/etc/init.d/led b/package/base-files/files/etc/init.d/led
index 7ccb150cfa12c7e83d71155a1e020b3142b28fcb..51cb8b51784a675405e77da1fbbfb14adf69606d 100755 (executable)
--- a/package/base-files/files/etc/init.d/led
+++ b/package/base-files/files/etc/init.d/led
@@ -1,44 +1,140 @@
 #!/bin/sh /etc/rc.common
-# (C) 2008 openwrt.org
+# Copyright (C) 2008 OpenWrt.org
 
-. /etc/functions.sh
-
-START=60
+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 name $1 name
        config_get sysfs $1 sysfs
-       config_get trigger $1 trigger
+       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 default $1 default
-
-       [ -e /sys/class/leds/${sysfs}/brightness -a -n "$name" ] && {
-               logger "setting up led : $name"
-               [ -n "$default" ] && { 
-                       [ $default -eq 1 ] && 
-                               echo 1 >/sys/class/leds/${sysfs}/brightness \
-                               || echo 0 >/sys/class/leds/${sysfs}/brightness
+       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 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 '$name' due to missing kernel module"
+                       return 1
                }
-               [ -z "$trigger" ] && trigger=none
-               echo $trigger > /sys/class/leds/${sysfs}/trigger
-               [ "$trigger" == "netdev" -a -n "$dev" ] && {
-                       [ -z "$mode" ] && mode=link
-                       echo $dev > /sys/class/leds/${sysfs}/device_name
-                       echo $mode > /sys/class/leds/${sysfs}/mode
-               } 
+               case "$trigger" in
+               "netdev")
+                       [ -n "$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
        }