blob: daf81fd70dd8e69012d957c8e513a9dc0b8d9e19 [file] [log] [blame]
#!/bin/sh
#
# Copyright © 2020 Stewart Smith
# Released under the GNU GPL v3
COMPAT_NODE=/sys/bus/platform/devices/ibm,opal:oppanel/of_node/compatible
case "$1" in
start)
# Only talk to the rcs,ipl-observer device this way
# it's a little bit of a hack, but it's functionally
# equivalent to the Raptor build but not relying on debugfs
grep rcs,ipl-observer $COMPAT_NODE > /dev/null \
&& printf '\xfe\xfe\xfe' > /dev/op_panel
;;
esac
exit 0