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# Copyright 2016 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.
# Unified build config.
device_config_dir="$(cros_config /audio/main cras-config-dir)"
internal_ucm_suffix="$(cros_config /audio/main ucm-suffix)"
# Deprecate HSP since it's just too old.
# TODO(hychao): Clean up all CRAS codes that are related to HSP once we're
# sure no headset breaks because of that.
DISABLE_PROFILE="--disable_profile=hsp"
# Handle legacy config.
if [ -z "${device_config_dir}" ]; then
# Disable HSP/HFP on Google WiFi (Gale) with UART-HCI Bluetooth
# which is incapable of handling SCO audio.
platform_name="$(mosys platform name)"
if [ "$platform_name" = "Gale" ]; then
DISABLE_PROFILE="--disable_profile=hfp,hsp"
fi
# For boards that need a different device config, check which config
# directory to use. Use that directory for both volume curves
# and DSP config.
if [ -f /etc/cras/get_device_config_dir ]; then
device_config_dir="$(sh /etc/cras/get_device_config_dir)"
fi
if [ -f /etc/cras/get_internal_ucm_suffix ]; then
internal_ucm_suffix="$(sh /etc/cras/get_internal_ucm_suffix)"
fi
else
device_config_dir="/etc/cras/${device_config_dir}"
fi
if [ -n "${device_config_dir}" ]; then
DEVICE_CONFIG_DIR="--device_config_dir=${device_config_dir}"
DSP_CONFIG="--dsp_config=${device_config_dir}/dsp.ini"
fi
if [ -n "${internal_ucm_suffix}" ]; then
INTERNAL_UCM_SUFFIX="--internal_ucm_suffix=${internal_ucm_suffix}"
fi
# Leave cras in the init pid namespace as it uses its PID as an IPC identifier.
exec minijail0 -u cras -g cras -G --uts -v -l \
-T static \
-P /mnt/empty \
-b /,/ \
-k 'tmpfs,/run,tmpfs,MS_NODEV|MS_NOEXEC|MS_NOSUID,mode=755,size=10M' \
-b /run/cras,/run/cras,1 \
-b /run/dbus,/run/dbus,1 \
-b /run/udev,/run/udev \
-b /dev,/dev \
-b /dev/shm,/dev/shm,1 \
-k proc,/proc,proc \
-b /sys,/sys \
-k 'tmpfs,/var,tmpfs,MS_NODEV|MS_NOEXEC|MS_NOSUID,mode=755,size=10M' \
-b /var/lib/metrics/,/var/lib/metrics/,1 \
-- \
/sbin/minijail0 -n \
-S /usr/share/policy/cras-seccomp.policy \
-- \
/usr/bin/cras \
${DSP_CONFIG} ${DEVICE_CONFIG_DIR} ${DISABLE_PROFILE} \
${INTERNAL_UCM_SUFFIX} ${CRAS_ARGS}
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