sound_call_hotplug () {

	# There may be /etc/hotplug.d/default/eventrecorder.hotplug

	# that logs the environment of every hotplug events. Therefore

	# we keep environment clean.

#	echo " "\

	eval \

	$ENV \

	${ACTION:+ ACTION=$ACTION} \

	${DEVPATH:+ DEVPATH="$DEVPATH"} \

	${PCI_SLOT_NAME:+ PCI_SLOT_NAME="$PCI_SLOT_NAME"} \

	${PCI_CLASS:+ PCI_CLASS="$PCI_CLASS$PCI_PROGIF"} \

	${PCI_ID:+ PCI_ID="$PCI_ID"} \

	${PCI_SUBSYS_ID:+ PCI_SUBSYS_ID="$PCI_SUBSYS_ID"} \

	${HOTPLUG_TRACE:+ HOTPLUG_TRACE="$HOTPLUG_TRACE"} \

	/sbin/hotplug pci-sound \

	< /dev/null > /dev/null 2>&1 & 

}

		# check Multimedia (sound)

		TAIL=${PCI_CLASS##04}

		if [ ${#TAIL} -le 4 ] ; then

		    if [ -r /etc/modprobe.d/sound ]; then

			debug_mesg ". `lspci -s ${PCI_SLOT_NAME/0000:/}` -> skipped"

			echo -n . >&3

		     else

			PCI_ID="`cat_0x $i/vendor`:`cat_0x $i/device`"

			PCI_SUBSYS_ID="`cat_0x $i/subsystem_vendor`"

			PCI_SUBSYS_ID="$PCI_SUBSYS_ID:`cat_0x $i/subsystem_device`"

			DEVPATH=`cd $i/ ; /bin/pwd`

			DEVPATH=${DEVPATH/\/sys/}

			echo -n "*" >&3

			debug_mesg "* `lspci -s ${PCI_SLOT_NAME/0000:/}` -> generating event"

			sound_call_hotplug

		    fi

		    continue

		fi

#!/bin/bash

# $Id: pci.agent,v 1.10 2004/04/03 15:46:50 zoz Exp $

#

# PCI and CardBus hotplug policy agent.

#

# Kernel Cardbus/PCI params are:

#

#        ACTION=%s [add or remove]

#        DEVPATH=%s [device path in sysfs]

#        PCI_CLASS=%04X

#        PCI_ID=%04X:%04X

#        PCI_SLOT_NAME=%s

#        PCI_SUBSYS_ID=%04X:%04X

#

# If /proc is mounted, /proc/bus/pci/$PCI_SLOT_NAME is almost the name

# of the binary device descriptor file ... just change ':' to '/'.

: ${ACTION?Bad invocation: \$ACTION is not set}

: ${DEVPATH?Bad invocation: \$DEVPATH is not set}

: ${PCI_CLASS?Bad invocation: \$PCI_CLASS is not set}

: ${PCI_ID?Bad invocation: \$PCI_ID is not set}

: ${PCI_SLOT_NAME?Bad invocation: \$PCI_SLOT_NAME is not set}

: ${PCI_SUBSYS_ID?Bad invocation: \$PCI_SUBSYS_ID is not set}

cd /etc/hotplug

. ./hotplug.functions

# ALSA config

if [ -r /etc/sysconfig/sound ]; then

    . /etc/sysconfig/sound

fi

# generated by modutils, for kernels 2.4.x and newer

MAP_CURRENT=$MODULE_DIR/modules.pcimap

#

# Each modules.pcimap format line corresponds to one entry in a

# MODULE_DEVICE_TABLE(pci,...) declaration in a kernel file.

#

# Think of it as a database column with up to three "match specs"

# to associate kernel modules with particular devices or classes

# of device.  The match specs provide a reasonably good filtering

# mechanism, but some driver probe() routines need to provide

# extra filtering.

#

# inputs to the match algorithm, from kernel by way of /sbin/hotplug

declare -i pci_class

declare -i pci_id_vendor pci_id_device

declare -i pci_subid_vendor pci_subid_device

pci_convert_vars ()

{

    pci_class=0x$PCI_CLASS

    set -- `IFS=:; echo $PCI_ID`

    pci_id_vendor=0x$1

    pci_id_device=0x$2

    set -- `IFS=:; echo $PCI_SUBSYS_ID`

    pci_subid_vendor=0x$1

    pci_subid_device=0x$2

    pci_revision=`lspci -ns ${DEVPATH##*/} 2>/dev/null | sed "s/^.*(rev *\([0-9]*\).*$/\1/"`

}

declare -i PCI_ANY=0xffffffff

# stdin is "modules.pcimap" syntax

# on return, ONE matching module was added to $DRIVERS

#

sound_map_modules ()

{

    # convert the usb_device_id fields to integers as we read them

    local line module ignored

    declare -i vendor device

    declare -i subvendor subdevice

    declare -i class class_mask

    declare -i class_temp

    # look at each pci_device_id entry

    # collect one match in $DRIVERS

    while read line

    do

        # comments are lines that start with "#" ...

        # be careful, they still get parsed by bash!

        case "$line" in

            \#*|"") continue ;;

        esac

        set -- $line

        module=$1

        vendor=$(($2))

        device=$(($3))

        subvendor=$(($4))

        subdevice=$(($5))

        class=$(($6))

        class_mask=$(($7))

        : checkmatch $module

	case $module in

	snd-*|snd_*) ;;

	*) continue ;;

	esac

        : vendor $vendor $pci_id_vendor

        if [ $vendor -ne $PCI_ANY -a $vendor -ne $pci_id_vendor ]; then

            continue

        fi

        : device $device $pci_id_device

        if [ $device -ne $PCI_ANY -a $device -ne $pci_id_device ]; then

            continue

        fi

        : sub-vendor $subvendor $pci_subid_vendor

        if [ $subvendor -ne $PCI_ANY -a $subvendor -ne $pci_subid_vendor ]; then

            continue

        fi

        : sub-device $subdevice $pci_subid_device

        if [ $subdevice -ne $PCI_ANY -a $subdevice -ne $pci_subid_device ]; then

            continue

        fi

        class_temp="$pci_class & $class_mask"

        if [ $class_temp -eq $class ]; then

            DRIVERS="$module $DRIVERS"

            : drivers $DRIVERS

            break

        fi

    done

}

#

# check the card indices

#

check_alsa_cards ()

{

    NCARD=""

    if [ -f /proc/asound/cards ]; then

	while read line; do

	    case "$line" in

	    [0-9]*) ;;

	    *) continue ;;

	    esac

	    set -- $line

	    card=$1

	    NCARD="$NCARD${card:+ $card}"

	done < /proc/asound/cards

    fi

}

#

# insert sequencer modules

#

load_sequencer()

{

    if [ "$LOAD_SEQUENCER" = "yes" -a -r /proc/asound/seq/drivers ]; then

	cut -d , -f 1 /proc/asound/seq/drivers | \

	while read t ; do

	    /sbin/modprobe $t >/dev/null 2>&1

	done

    fi

}

#

# run card-dependent scripts

#

load_carddeps()

{

    for i in $*; do

	i=${i##snd-}

	i=${i##snd_}

	if [ -x $alsascrdir/$i ]; then

	    $alsascrdir/$i

	fi

    done

}

#

# What to do with this PCI hotplug event?

#

case $ACTION in

    add)

        pci_convert_vars

        LABEL="PCI slot $PCI_SLOT_NAME"

	check_alsa_cards

	OLD_NCARD="$NCARD"

        # since kernel 2.4 modutils maintains MAP_CURRENT

	sound_map_modules < $MAP_CURRENT

        [ -e /usr/sbin/hwscanqueue ] && hwscanqueue --pci

        if [ "$DRIVERS" = "" ]; then

            # mesg "... no modules for $LABEL"

            exit 2

        fi

	$MODPROBE $DRIVERS

	if [ "$LOAD_OSS_EMUL_MODULES" = "yes" ]; then

	    $MODPROBE snd-pcm-oss

	    if [ "$LOAD_SEQUENCER" = "yes" ]; then

		$MODPROBE snd-seq-oss

	    fi

	fi

	load_sequencer

	# unmute volumes which are not initialized yet

	check_alsa_cards

	for i in $NCARD; do

	    for j in $OLD_NCARD; do

		if [ "$i" = "$j" ]; then

		    continue 2

		fi

	    done

	    /usr/bin/set_default_volume -f $i

	done

	load_carddeps $DRIVERS

        ;;

    remove)

        ;;

    *)

        debug_mesg PCI $ACTION event not supported

        exit 1

        ;;

esac