From 35b33f0413c9f6a263549d63b2b068d74543d876 Mon Sep 17 00:00:00 2001 From: Jo-Philipp Wich Date: Wed, 8 Jun 2016 10:14:27 +0200 Subject: [PATCH] base-files: maintain LED config state Record the state of any hardware LED configured through UCI and use that information to revert the state when applying updated settings while maintaining default behaviour of system LEDs. Signed-off-by: Jo-Philipp Wich --- package/base-files/files/etc/init.d/led | 22 +++++++++++++++++----- 1 file changed, 17 insertions(+), 5 deletions(-) diff --git a/package/base-files/files/etc/init.d/led b/package/base-files/files/etc/init.d/led index a6be788a5e05..1d10f723d0ce 100755 --- a/package/base-files/files/etc/init.d/led +++ b/package/base-files/files/etc/init.d/led @@ -37,6 +37,12 @@ load_led() { [ -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 @@ -103,11 +109,17 @@ 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 + [ -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 -- 2.30.2