cecservice/share/cecservice.conf

# Copyright 2018 The ChromiumOS Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

description   "cecservice"
author        "chromium-os-dev@chromium.org"

start on started system-services
# Use 'stop on starting pre-shutdown' so that the pre-stop script blocks
# shutdown. See comments in pre-shutdown.conf and ui.conf for more info.
stop on starting pre-shutdown
respawn
respawn limit 3 10  # if the job respawns 3 times in 10 seconds, stop trying.
oom score -100

expect fork

exec minijail0 --config /usr/share/minijail/cecservice.conf \
     -- /usr/sbin/cecservice

post-start script
  # Wait for daemon to claim its D-Bus name.
  minijail0 -u cecservice -G \
    /usr/bin/gdbus wait --system --timeout 15 org.chromium.CecService

  # Power on displays on boot if enabled in cros_config.
  if [ "$(cros_config /hdmi-cec power-on-displays-on-boot)" = "true" ]; then
    # Note, this is a non-blocking call since we don't pass --print-reply.
    dbus-send --fixed --system --type=method_call \
     --dest=org.chromium.CecService /org/chromium/CecService \
     org.chromium.CecService.SendWakeUpToAllDevices
  fi
end script

pre-stop script
  # Power off displays on shutdown if enabled in cros_config.
  # The 'initctl status halt' ensures we only do this on shutdown (not reboot).
  if [ "$(cros_config /hdmi-cec power-off-displays-on-shutdown)" = \
       "true" ] && \
       ! initctl status halt | grep -q 'stop/waiting'; then
    # Use --print-reply to make it a blocking call. The timeout shouldn't be too
    # long since it blocks shutdown. Typcial time with two displays is 0.2-1.3s.
    dbus-send --fixed --system --type=method_call \
     --print-reply --reply-timeout=2000 \
     --dest=org.chromium.CecService /org/chromium/CecService \
     org.chromium.CecService.SendStandByToAllDevices
  fi
end script