alsa-utils:

- set some mixer defaults
- add support for $HOME/.config/sound.conf to manually set mixer defaults

packages/audio/alsa-utils/config/rules.d/40-alsa.rules

@@ -4,7 +4,7 @@ SUBSYSTEM=="snd",         GROUP="audio"
 
 # ALSA Devices
 # When a sound device is detected, restore the volume settings
-KERNEL=="controlC[0-9]*",  NAME="snd/%k", ACTION=="add", RUN+="/usr/sbin/alsactl restore %n"
+KERNEL=="controlC[0-9]*",  NAME="snd/%k", ACTION=="add", RUN+="/usr/bin/soundconfig"
 KERNEL=="hw[CD0-9]*",      NAME="snd/%k"
 KERNEL=="pcm[CD0-9cp]*",   NAME="snd/%k"
 KERNEL=="midiC[D0-9]*",    NAME="snd/%k"

packages/audio/alsa-utils/install

@@ -9,6 +9,7 @@ PKG_DIR=`find $PACKAGES -type d -name $1`
 
 mkdir -p $INSTALL/usr/bin
   cp $PKG_BUILD/amixer/amixer $INSTALL/usr/bin
+  cp $PKG_DIR/scripts/soundconfig $INSTALL/usr/bin
 
 mkdir -p $INSTALL/usr/sbin
   cp $PKG_BUILD/alsactl/alsactl $INSTALL/usr/sbin

packages/audio/alsa-utils/scripts/soundconfig

@@ -0,0 +1,94 @@
+#!/bin/sh
+#
+# setup alsa (especially the mixer config)
+
+mixer() {
+  parm=${3:-on}
+  amixer sset "$1" "$2" $parm >/dev/null 2>&1
+  amixer sset "$1" $parm >/dev/null 2>&1
+}
+
+(
+. /etc/sysconfig
+
+progress "Setting up sound card"
+
+if [ -f $HOME/.config/sound.conf ]; then
+
+  alsactl restore -f $HOME/.config/sound.conf
+
+else
+
+# set common mixer params
+  mixer Master 100%
+  mixer Front 100%
+  mixer PCM 100%
+  mixer Synth 100%
+
+# mute CD, since using digital audio instead
+  mixer CD 0% mute
+
+# Only unmute Line and Aux if they are possibly used.
+  mixer Line 100%
+  mixer Aux 100%
+
+# mute mic
+  mixer Mic 0% mute
+
+# ESS 1969 chipset has 2 PCM channels
+  mixer PCM,1 100%
+
+# Trident/YMFPCI/emu10k1
+  mixer Wave 100%
+  mixer Music 100%
+  mixer AC97 100%
+  mixer Surround 90%
+  mixer 'Surround Digital' 90%
+  mixer 'Wave Surround' 90%
+  mixer 'Duplicate Front' 90%
+  mixer 'Sigmatel 4-Speaker Stereo' 90%
+
+# CS4237B chipset:
+  mixer 'Master Digital' 100%
+
+# DRC
+  mixer 'Dynamic Range Compression' 90%
+
+# Envy24 chips with analog outs
+  mixer DAC 100%
+  mixer DAC,0 100%
+  mixer DAC,1 100%
+
+# some notebooks use headphone instead of master
+  mixer Headphone 100%
+  mixer 'Internal Speaker' 0% mute
+  mixer Playback 100%
+
+  mixer Center 100%
+  mixer LFE 100%
+  mixer Center/LFE 100%
+
+# Intel P4P800-MX  (Ubuntu bug #5813)
+  mixer 'Master Playback Switch' on
+
+# set digital output mixer params
+  mixer 'IEC958' 100% on
+  mixer 'IEC958 Output' 100%
+  mixer 'IEC958 Coaxial' 100%
+  mixer 'IEC958 LiveDrive' 100%
+  mixer 'IEC958 Optical Raw' 100%
+  mixer 'SPDIF Out' 100%
+  mixer 'SPDIF Front' 100%
+  mixer 'SPDIF Rear' 100%
+  mixer 'SPDIF Center/LFE' 100%
+  mixer 'Master Digital' 100%
+
+  mixer 'Analog Front' 100%
+  mixer 'Analog Rear' 100%
+  mixer 'Analog Center/LFE' 100%
+
+fi
+
+)&
+
+exit 0