base-files: reset LED state

Attempt to reset all LED states before applying the UCI configuration to
avoid leaving disabled LEDs behind in lingering glowing state, e.g. when
changing the sysfs entry in the config from one hardware LED to another.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

diff --git a/package/base-files/files/etc/init.d/led b/package/base-files/files/etc/init.d/led
index d1521a9a61fc96333fc25781d4f43f6ab38d553f..a6be788a5e0569368b164cb62acd4a9775489b34 100755 (executable)
--- a/package/base-files/files/etc/init.d/led
+++ b/package/base-files/files/etc/init.d/led
@@ -103,6 +103,12 @@ load_led() {
 
 start() {
        [ -e /sys/class/leds/ ] && {
+               local led
+               for led in /sys/class/leds/*; do
+                       [ -e "$led/trigger" ] && echo "none" > "$led/trigger"
+                       [ -e "$led/brightness" ] && echo "0" > "$led/brightness"
+               done
+
                config_load system
                config_foreach load_led led
        }