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#!/bin/sh
### BEGIN INIT INFO
# Provides: uio-audio
# Required-Start:
# Required-Stop:
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: UIO access to audio devices
# Description: See:
# https://github.com/rumpkernel/wiki/wiki/Howto%3A-Accessing-PCI-devices-from-userspace
### END INIT INFO
# Do NOT "set -e"
# PATH should only include /usr/* if it runs after the mountnfs.sh script
PATH=/sbin:/bin
NAME=uio-audio
SCRIPTNAME=/etc/init.d/$NAME
# Read configuration variable file if it is present
[ -r /etc/default/$NAME ] && . /etc/default/$NAME
# Load the VERBOSE setting and other rcS variables
. /lib/init/vars.sh
# Define LSB log_* functions.
# Depend on lsb-base (>= 3.2-14) to ensure that this file is present
# and status_of_proc is working.
. /lib/lsb/init-functions
#
# Function that starts the daemon/service
#
do_start()
{
modprobe uio_pci_generic || return 2
lspci_n=$(lspci -n)
for busid in $(echo "${lspci_n}" | awk '{ if ($2 == "0401:" || $2 == "0403:") print $1 }') ; do
echo "${lspci_n}" | grep "^${busid}\s" | awk '{ print $3 }' | tr ':' ' ' \
> /sys/bus/pci/drivers/uio_pci_generic/new_id || return 2
done
return 0
}
#
# Function that stops the daemon/service
#
do_stop()
{
rmmod uio_pci_generic || return 2
return 0
}
case "$1" in
start)
[ "$VERBOSE" != no ] && log_daemon_msg "Enabling UIO access to audio devices" "$NAME"
do_start
case "$?" in
0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
esac
;;
stop)
[ "$VERBOSE" != no ] && log_daemon_msg "Disabling UIO access to audio devices" "$NAME"
do_stop
case "$?" in
0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
esac
;;
status)
;;
restart|force-reload)
;;
*)
echo "Usage: $SCRIPTNAME {start|stop}" >&2
exit 3
;;
esac
:
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