sound: remove obsolete and obscure code and mostly rewrite a more simple plugin relying on sound drivers autodetection
This commit is contained in:
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48f4138813
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4834ad0782
@ -2,7 +2,7 @@
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#
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# sound - sound configuration plugin for postplug
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# Copyright (c) 2005-2007 by Davide Madrisan <davide.madrisan@gmail.com>
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# Copyright (c) 2005-2009 by Silvan Calarco <silvan.calarco@mambasoft.it>
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# Copyright (c) 2005-2011 by Silvan Calarco <silvan.calarco@mambasoft.it>
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# Note: Some code has been stolen from /usr/sbin/alsaconf version 1.0.13
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@ -19,173 +19,7 @@ me="sound"
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[ -r /etc/sysconfig/postplug ] && . /etc/sysconfig/postplug
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# remove obsolete realtime module configuration
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if [ -e /etc/modprobe.conf -a "`grep ' realtime ' /etc/modprobe.conf 2>/dev/null`" ]; then
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sed -i "/options realtime */d" /etc/modprobe.conf
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sed -i "/alias on-boot-realtime realtime/d" /etc/modprobe.conf
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fi
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LSPCI=/usr/sbin/lspci
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SYSCONFIG_SOUNDCARDS=/etc/sysconfig/soundcards
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CARDID_DB=/var/lib/postplug/alsaconf.cards
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function build_card_db() {
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# convert ISA PnP id number to string 'ABC'
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function convert_isapnp_id() {
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[ "$1" ] || return
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local a b c strs
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let a='('$1'>>2) & 0x3f'
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let b='(('$1' & 0x03) << 3) | (('$1' >> 13) & 0x07)'
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let c='('$1'>> 8) & 0x1f'
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strs='@ABCDEFGHIJKLMNOPQRSTUVWXYZ'
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echo ${strs:$a:1}${strs:$b:1}${strs:$c:1}
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}
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# swap high & low bytes
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function swap_number() {
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local v
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if [ -z "$1" ]; then
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echo "0000"
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return
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fi
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let v='(('$1'>>8)&0xff)|(('$1'&0xff)<<8)'
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printf "%04x" $v
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}
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local MODDIR=/lib/modules/`uname -r`
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local last_driver driver vendor device dummy id1 id2
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echo -n > $1
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# list pci cards
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while read driver vendor device dummy; do
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if expr $driver : 'snd-.*' >/dev/null ; then
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if [ "$last_driver" != "$driver" ]; then
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echo $driver.o
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last_driver=$driver
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fi
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id1=`printf '0x%04x' $vendor`
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id2=`printf '0x%04x' $device`
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echo "PCI: $id1=$id2"
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fi
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done < $MODDIR/modules.pcimap >> $1
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# list isapnp cards
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local cardvendor carddevice data func dev1 dev2
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while read driver cardvendor carddevice data vendor func; do
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if expr $driver : 'snd-.*' >/dev/null ; then
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if [ "$last_driver" != "$driver" ]; then
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echo $driver.o
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last_driver=$driver
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fi
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id1=`convert_isapnp_id $cardvendor`
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dev1=`swap_number $carddevice`
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id2=`convert_isapnp_id $vendor`
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dev2=`swap_number $func`
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echo "ISAPNP: $id1$dev1=$id2$dev2"
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fi
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done < $MODDIR/modules.isapnpmap >> $1
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}
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function probe_cards() {
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local use_modinfo_db=0
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local index bindex d1 d2 ncards
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[ -r /proc/isapnp ] || /sbin/modprobe isapnp >/dev/null 2>&1
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[ -r /proc/isapnp ] || /sbin/modprobe isa-pnp >/dev/null 2>&1
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if [ -r /proc/isapnp ]; then
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cat /proc/isapnp > "$DUMP"
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found="1"
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elif [ -d /sys/bus/pnp/devices ]; then
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# use 2.6 kernel's sysfs output
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# fake the isapnp dump
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index=0
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bindex=0
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for d1 in /sys/devices/pnp* ; do
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for d2 in $d1/*:* ; do
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if [ -r $d2/card_id ]; then
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id=`cat $d2/card_id`
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name=`cat $d2/name`
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echo "Card $index '$id:$name' " >> "$DUMP"
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index=$[$index+1]
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found="1"
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elif [ -r $d2/id ]; then
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# FIXME: multiple id might be present (separated with new-line)
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id=`head -n 1 $d2/id`
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echo "BIOS $bindex '$id' " >> "$DUMP"
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bindex=$[$bindex+1]
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found="1"
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fi
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done
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done
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fi
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if [ "$found" = "0" ]; then
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echo -n >"$DUMP"
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fi
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[ -r $CARDID_DB ] || use_modinfo_db=1
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if [ $use_modinfo_db != 1 ]; then
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[ $CARDID_DB -ot /lib/modules/`uname -r`/modules.dep ] &&
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use_modinfo_db=1
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fi
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if [ $use_modinfo_db = 1 ]; then
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logmsg "$me" "building soundcard database \`$CARDID_DB'"
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build_card_db $CARDID_DB
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fi
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if [ ! -r $CARDID_DB ]; then
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logmsg "$me" "error: "$"cannot create soundcard database"
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exit 1
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fi
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ncards=`grep '^snd-.*\.o$' $CARDID_DB | wc -w`
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awk '
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BEGIN {
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format="%-40s %s\n";
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ncards='"$ncards"';
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idx=0;
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}
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/^snd-.*\.o$/{
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sub(/.o$/, "");
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driver=$0;
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perc=(idx * 100) / (ncards + 1);
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print int(perc);
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idx++;
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}
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/^[<literal space><literal tab>]*PCI: /{
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gsub(/0x/, "");
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gsub(/=/, ":");
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x = sprintf ("'$LSPCI' -n 2>/dev/null| grep '"' 04..: '"' | grep %s", $2);
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if (system (x) == 0)
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printf "%s %s\n", $2, driver >>"'"$FOUND"'"
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}
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/^[<literal space><literal tab>]*ISAPNP: /{
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id2 = substr($0, index($0, "=")+1);
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gsub(/=.*/, "");
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x = sprintf ("grep '\''^Card [0-9] .%s:'\'' '"$DUMP"'", $2);
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if (system (x) == 0)
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printf "%s %s\n", $2, driver >>"'"$FOUND"'"
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else if (index($2, "ffff") > 0) {
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x = sprintf ("grep '\''^BIOS [0-9]* .%s.'\'' '"$DUMP"'", id2);
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if (system (x) == 0)
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printf "%s %s\n", id2, driver >>"'"$FOUND"'"
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}
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}' < $CARDID_DB
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#
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# PowerMac
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#
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if grep -q MacRISC /proc/cpuinfo; then
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find /lib/modules/`uname -r` -name 'snd-powermac' -print | \
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while read i; do
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i=${i##*/}
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i=${i%%.o}
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i=${i%%.ko}
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echo "PowerMac $i" >> $FOUND
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done
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fi
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}
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# set default mixer volumes
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function set_mixers() {
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@ -222,184 +56,31 @@ set "Audigy Analog/Digital Output Jack" off
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_EOF
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}
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function ac_config_card() {
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CARD_DRIVER=snd-$1
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CARD_OPTS="${*:2}"
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SOUND_DEV="`lspci -n | grep " 04[0-9][0-9]: "`"
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# soundcard already configured
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grep -q "alias snd-card-0 $CARD_DRIVER" ${cfgout:-$cfgfile} 2>/dev/null &&
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{ logmsg "$me" $"soundcard \"$CARD_DRIVER\" already configured"
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return; }
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logmsg "$me" $"configuring soundcard \"$1\""
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addcfg=`mktemp -q /tmp/alsaconf.XXXXXX` ||
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{ logmsg "$me" $"error: "$"cannot create temporary files"
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exit 1; }
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if ! grep -q char-major-116 /lib/modules/`uname -r`/modules.alias; then
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[ "$cfgout" ] &&
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echo "# --- Generated by POSTPLUG, do not edit. ---" >> $addcfg ||
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echo "$ACB" >> $addcfg
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echo "\
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alias char-major-116 snd
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alias char-major-14 $SOUND_CORE
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alias sound-service-0-0 snd-mixer-oss
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alias sound-service-0-1 snd-seq-oss
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alias sound-service-0-3 snd-pcm-oss
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alias sound-service-0-8 snd-seq-oss
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alias sound-service-0-12 snd-pcm-oss" >> $addcfg
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fi
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# echo "options snd device_mode=0666" >> $addcfg
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echo "\
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alias snd-card-0 $CARD_DRIVER
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alias sound-slot-0 $CARD_DRIVER" >> $addcfg
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# apply workarounds for specific machines
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case "${SYSTEM_MANUFACTURER}_${SYSTEM_PRODUCT_NAME}" in
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"Hewlett-Packard_HP Compaq 6735s")
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CARD_OPTS="$CARD_OPTS model=laptop"
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;;
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esac
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[ "$CARD_OPTS" ] && echo "\
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options $CARD_DRIVER $CARD_OPTS" >> $addcfg
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# # load modem after soundcard in case of snd-intel8x0 card
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# if [ "$CARD_DRIVER" = "snd-intel8x0" ]; then
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# echo "\
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#options snd_intel8x0 index=0
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#options snd_intel8x0m index=1" >> $addcfg
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# CONFIGURE_INTEL8x0=1
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# fi
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[ "$cfgout" ] || echo "$ACE" >> $addcfg
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cat $addcfg >> ${cfgout:-$cfgfile}
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/sbin/depmod -a 2>/dev/null
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echo "SOUNDCARD0=\"$CARD_DRIVER\"" > $SYSCONFIG_SOUNDCARDS
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# if [ "$CONFIGURE_INTEL8x0" ]; then
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# # reload modules in correct order
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# cat /proc/modules | grep "snd_intel8x0 " >/dev/null && rmmod snd_intel8x0
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# cat /proc/modules | grep "snd_intel8x0m " >/dev/null && rmmod snd_intel8x0m
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# modprobe snd_intel8x0 2>/dev/null
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# modprobe snd_intel8x0m 2>/dev/null
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# fi
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# (re)load driver
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rmmod -f $CARD_DRIVER >/dev/null 2>&1
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modprobe $CARD_DRIVER >/dev/null 2>&1
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udevadm settle
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set_mixers
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if [ -x /usr/sbin/alsactl ]; then
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logmsg "$me" $"saving the mixer setup (/etc/asound.state)"
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/usr/sbin/alsactl store >/dev/null 2>&1
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fi
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rm -f $addcfg
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}
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if [ "$SOUND_BUILD_CARDID_DB_ONLY" ]; then
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build_card_db $CARDID_DB
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exit 0
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fi
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if [ "$SOUND_FORCE_RESCAN" != on ]; then
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# audio device change detection
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SOUND_DEV="`lspci -n | grep " 04[0-9][0-9]: "`"
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[ "$SOUND_DEV" ] || exit 0
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if [ -e $SYSCONFIG_SOUNDCARDS ]; then
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if [ -e $postpluglibdir/sound.cache ]; then
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SOUND_DEV_CACHED="`cat $postpluglibdir/sound.cache`"
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[ "$SOUND_DEV" = "$SOUND_DEV_CACHED" ] && exit 0
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logmsg "$me" "warning: audio device appears to have changed; re-probing"
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mv $SYSCONFIG_SOUNDCARDS $SYSCONFIG_SOUNDCARDS.postplug.save
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else
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[ -r $SYSCONFIG_SOUNDCARDS ] && . $SYSCONFIG_SOUNDCARDS
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# soundcards already detected and configured
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[ "$SOUNDCARD0" ] && {
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[ -e $postpluglibdir/sound.cache ] || echo "$SOUND_DEV" > $postpluglibdir/sound.cache
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exit 0
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}
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fi
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if [ "$SOUND_FORCE_RESCAN" != "on" -a "$SOUND_FORCE_RESCAN" != "1" ]; then
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if [ -e $postpluglibdir/sound.cache ]; then
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SOUND_DEV_CACHED="`cat $postpluglibdir/sound.cache`"
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[ "$SOUND_DEV" = "$SOUND_DEV_CACHED" ] && exit 0
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logmsg "$me" "warning: audio device appears to have changed; re-probing"
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mv $SYSCONFIG_SOUNDCARDS $SYSCONFIG_SOUNDCARDS.postplug.save
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fi
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fi
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FOUND=`mktemp -q /tmp/alsaconf.XXXXXX` ||
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{ logmsg "$me" $"error: "$"cannot create temporary files"; exit 1; }
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DUMP=`mktemp -q /tmp/alsaconf.XXXXXX` ||
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{ logmsg "$me" $"error: "$"cannot create temporary files"; exit 1; }
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TMP=`mktemp -q /tmp/alsaconf.XXXXXX` ||
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{ logmsg "$me" $"error: "$"cannot create temporary files"; exit 1; }
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echo "$SOUND_DEV" > $postpluglibdir/sound.cache
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for c in /proc/asound/card[0-9]*; do
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id=`cat $c/id`
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codec=`grep Codec: $c/codec* | head -n1`
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logmsg "$me" $"setting volumes for $id sound card ($codec)"
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index=${d1/*card}
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set_mixers $index
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done
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trap "rm -f $TMP $FOUND $DUMP" 0 1 2 5 15
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# populate the `$FOUND' file with the list of available PCI soundcards
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probe_cards >/dev/null
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devs_found=()
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if [ -s "$FOUND" ]; then
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while read dev card ; do
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/sbin/modprobe -a -l | grep -E $card'\.(o|ko)' >/dev/null 2>&1 || continue
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devs_found=("${devs_found[@]}" "${card##snd-}")
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done < "$FOUND"
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if [ -x /usr/sbin/alsactl ]; then
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logmsg "$me" $"saving the mixer setup (/var/lib/sound/asound.state)"
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/usr/sbin/alsactl store >/dev/null
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fi
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case "$(uname -r)" in
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2.6.*)
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cfgfile="/etc/modprobe.conf"
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[ -d /etc/modprobe.conf.d ] && cfgout="/etc/modprobe.conf.d/sound"
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[ -d /etc/modprobe.d ] && cfgout="/etc/modprobe.d/sound.conf"
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;;
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*) cfgfile="/etc/modules.conf" ;;
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esac
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ACB="# --- BEGIN: Generated by ALSACONF, do not edit. ---"
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ACE="# --- END: Generated by ALSACONF, do not edit. ---"
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# remove ac block
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if [ -e $cfgfile ]; then
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awk '/^'"$ACB"'$/,/^'"$ACE"'$/ { next } { print }' < $cfgfile > $TMP
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cat $TMP > $cfgfile
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fi
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[ -e "$cfgout" ] && rm -f $cfgout
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if [ "$devs_found" ]; then
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# FIXME : eventually check for TP600E soundcard
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if [ "$devs_found" = "legacy" ]; then
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# FIXME : no ISA cards supported for now
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: # ac_config_legacy (alsaconf script)
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else
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logmsg "$me" $"detected PCI sound card(s) \"$devs_found\""
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ac_config_card "$devs_found"
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fi
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else
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[ -d /usr/share/config/ ] && KCMARTSRC=/usr/share/config/kcmartsrc
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[ -d /opt/kde3/share/ ] && KCMARTSRC=/opt/kde3/share/config/kcmartsrc
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[ "$KCMARTSRC" ] ||
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KCMARTSRC="$(kde-config --prefix 2>/dev/null)/share/config/kcmartsrc"
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[ -e "$KCMARTSRC" ] ||
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{ logmsg "$me" $"creating $KCMARTSRC"
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echo "\
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[Arts]
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StartServer=false" > $KCMARTSRC; }
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fi
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/sbin/modprobe -r isapnp >/dev/null 2>&1
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/sbin/modprobe -r isa-pnp >/dev/null 2>&1
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echo "$SOUND_DEV" > $postpluglibdir/sound.cache
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exit 0
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