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| author | Jo-Philipp Wich <jo@mein.io> | 2016-06-08 10:14:27 +0200 |
|---|---|---|
| committer | Jo-Philipp Wich <jo@mein.io> | 2016-06-08 10:34:50 +0200 |
| commit | 35b33f0413c9f6a263549d63b2b068d74543d876 (patch) | |
| tree | 54050e056169759a493252f398e89f8711a521a9 /package | |
| parent | 98d418e05f0bf488b14adabffe6db200b7394a1c (diff) | |
| download | mtk-20170518-35b33f0413c9f6a263549d63b2b068d74543d876.zip mtk-20170518-35b33f0413c9f6a263549d63b2b068d74543d876.tar.gz mtk-20170518-35b33f0413c9f6a263549d63b2b068d74543d876.tar.bz2 | |
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 <jo@mein.io>
Diffstat (limited to 'package')
| -rwxr-xr-x | package/base-files/files/etc/init.d/led | 22 |
1 files 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 a6be788..1d10f72 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 |