titi fixes sound initscript for some alsa devices

2 files changed, 135 insertions, 0 deletions

diff --git a/move/tree/alsa_default.pl b/move/tree/alsa_default.pl
new file mode 100755
index 000000000..927c8c1d3
--- /dev/null
+++ b/move/tree/alsa_default.pl
@@ -0,0 +1,19 @@
+#!/usr/bin/perl
+
+# state machine:
+if (/\s*control\./) {
+    ($min, $max) = (0, 0);
+} elsif (/\s*name '/) {
+    # skip masks
+    $ignore = /\s*name '.*(3D Control|mask|Exchange DAC|Output Jack)/;
+} elsif (!$ignore) {
+    if (/s*comment.range '(\d+) - (\d+)'/) {
+        ($min, $max) = ($1, $2);
+    } elsif (/s*value/) {
+        # enable switches (we should really blacklist sb live and the like):
+        s/(value\w*\S*)\s* false/\1 true/;
+        # set volume to 67%:
+        my $val = $max*0.6;
+        s/(value\w*\S*)\s* 0/\1 $val/
+    }
+}
diff --git a/move/tree/sound.initscript b/move/tree/sound.initscript
new file mode 100755
index 000000000..756f22398
--- /dev/null
+++ b/move/tree/sound.initscript
@@ -0,0 +1,116 @@
+#!/bin/sh
+# (c) MandrakeSoft, Chmouel Boudjnah <chmouel@mandrakesoft.com>
+# 	$Id$
+#
+# sound:   This shell script launch the sound on your system.
+#
+# chkconfig: 2345 18 69
+# description: This shell script launch the sound on your system.
+
+. /etc/rc.d/init.d/functions
+
+PKLVL=$(cut -f1 /proc/sys/kernel/printk)
+sysctl -n -w kernel.printk=0
+
+function start_mixer () {
+    # ALSA
+    if [ -d /proc/asound ] && [ -x /usr/sbin/alsactl ]; then
+        # is ALSA already configured ?
+	if [[ ! -r /etc/asound.state ]]; then
+	    # provide decent default sound level for alsa drivers
+	    if [ -d /proc/asound ] && [ -x /usr/sbin/alsactl ];then
+             MIXER_SETTINGS=/root/tmp/asound.state_tmp
+             alsactl -f $MIXER_SETTINGS store
+             # set sensible defaults:
+             perl -pi /usr/bin/alsa_default.pl $MIXER_SETTINGS
+             action "Setting mixer settings" alsactl -f $MIXER_SETTINGS restore
+             rm -f $MIXER_SETTINGS
+		return 0
+	    fi
+	    # if we've not alsa-utils, we'll fallback on OSS initialization below
+	else
+	    # Not first boot:
+	    # Done by alsa service but only if sound service is not
+	    # enabled (hance this code path).
+	    # We'll merge in back aksa service once mdk9.2 is released.
+	    # [but we'll still handle both aumix & alsactl in order
+	    #  to manage packages removing / driver switch]
+	    action "Loading mixer settings" /usr/sbin/alsactl restore
+	    return 0
+	fi
+    fi
+    # OSS
+    if egrep -q '(sparcaudio|sound)' /proc/devices 2>/dev/null && \
+	[ "$retval" -eq 0 ] && [ -x /usr/bin/aumix ];then
+	if [ ! -r /etc/.aumixrc ];then
+	    action "Setting mixer settings" /usr/bin/aumix -v80 -w80 -c80
+	else
+	    action "Loading mixer settings" /usr/bin/aumix -f /etc/.aumixrc -L
+	fi
+    fi
+}
+
+function stop_mixer () {
+    if [ -d /proc/asound ] && [ -x /usr/sbin/alsactl ];then
+	# done by alsa service (to merge back after mdk9.2 release)
+	#action "Saving mixer settings" /usr/sbin/alsactl store
+	return 0;
+    fi
+   if egrep -q '(sparcaudio|sound)' /proc/devices 2>/dev/null && [ -x /usr/bin/aumix ];then
+	action "Saving mixer settings" /usr/bin/aumix -f /etc/.aumixrc -S
+    fi    
+}
+
+function module () {
+    opt=""
+    phrase=$1
+    alias=$2
+    [ -n "$3" ] && opt="-r"
+    module=`/sbin/modprobe -c | egrep -s "^alias( |\t)+"$alias"( |\t)+" | awk '{ print $3 }'`
+    if [ -n "$module" ] && [ "$module" != "off" ];then
+	action "$phrase ($module)" modprobe "$opt" $module
+	return $?
+    fi
+}
+
+case $1 in
+    start)
+    retval=0
+    if [ ! -d /proc/asound ];then
+	module "Loading sound module" sound || retval=1
+	/sbin/modprobe -c | awk '/^((alias)|(probe)) +sound-slot-[0-9]/ {print $2}' | ( \
+	    while read line; do
+		[[ $line = snd-card-* ]] && continue #we do it via alsa script
+		module "Loading sound module" $line || retval=1
+	    done
+	)
+	module "Loading midi module" midi
+    fi
+    start_mixer;
+    touch /var/lock/subsys/sound
+    ;;
+    stop)
+    # i should have the same semantic of alsa script than oss script,
+    # but i do not :-(, patches welcome.
+    stop_mixer;
+    rm -f /var/lock/subsys/sound
+    ;;
+    status)
+    if egrep -q '(sparcaudio|sound)' /proc/devices;then
+	gprintf "Sound loaded"
+	echo
+    fi
+    ;;
+    reload)
+    ;;
+    restart)
+    $0 stop
+    $0 start
+    ;;
+    *)
+    echo "Usage: %s\n" "$(basename $0) {start|stop|restart|status}"
+    exit 0
+esac
+
+sysctl -n -w kernel.printk=$PKLVL
+exit 0