upstart/cras.conf

# Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

# Installed by ADHD package.
# cras upstart job.

description     "ChromeOS audio server"
author          "chromium-os-dev@chromium.org"

env CRAS_SOCKET_DIR=/var/run/cras

start on starting system-services
stop on stopping system-services
respawn

# Allow the audio server real time priority.
limit rtprio 12 12

pre-start script
  mkdir -p -m 1770 "${CRAS_SOCKET_DIR}"
  chown -R cras:cras "${CRAS_SOCKET_DIR}"
end script

script
  # Use /etc/cras/enable_hfp as a flag to enable HFP/HSP
  # support for testing purpose. In test image, touch or
  # rm this file to toggle this feature.
  # TODO(hychao): remove this temporary  flag when we pass
  # qualification and ready to launch this feature.
  if [ -f /etc/cras/enable_hfp ]; then
    ENABLE_HFP="--enable_hfp"
  else
    ENABLE_HFP=""
  fi

  # For Samus only, check which dsp.ini to load.
  if [ "$(mosys platform name)" = "Samus" ]; then
    local hw_version="$(mosys platform version)"
    if [ "$hw_version" = "MP.A" ] ||
       [ "$hw_version" = "EVT" ] ||
       [ "$hw_version" = "DVT" ] ||
       [ "$hw_version" = "PVT" ]; then
         DSP_CONFIG="--dsp_config=/etc/cras/dsp.samus.orig.ini"
    fi
  fi
  # For board needs different device configs, check which config
  # directory to use. Use that directory for both volume curves
  # and dsp config.
  if [ -f /etc/cras/get_device_config_dir ]; then
    local device_config_dir="$(sh /etc/cras/get_device_config_dir)"
    DEVICE_CONFIG_DIR="--device_config_dir=${device_config_dir}"
    DSP_CONFIG="--dsp_config=${device_config_dir}/dsp.ini"
  fi
  exec minijail0 -u cras -g cras -G -- /usr/bin/cras ${ENABLE_HFP} \
      ${DSP_CONFIG} ${DEVICE_CONFIG_DIR}
end script