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- #!/bin/sh
- #
- # setup alsa (especially the mixer config)
- #
- # runlevels: geexbox, debug
-
- echo "### Setting up sound card ###"
-
- # include audio configuration file
- . /etc/audio
-
- echo "" > /etc/asound.conf
-
- mixer() {
- parm=${3:-on}
- amixer -c $ALSA_CARD sset "$1" "$2" $parm >/dev/null 2>&1
- amixer -c $ALSA_CARD sset "$1" $parm >/dev/null 2>&1
- }
-
- # set alsa channel mode (6ch, 4ch, 2ch)
- mixer 'Channel Mode' "${CHANNELS}ch"
-
- # set common mixer params
- mixer Master 90%
- mixer Front 75%
- mixer PCM 90%
- mixer Synth 90%
- # mute CD, since using digital audio instead
- mixer CD 0% mute
- # Only unmute Line and Aux if they are possibly used.
- if [ -e /var/use_dxr3 -o -e /var/tvcard -o -e /var/dvbcard -o -e /var/digimatrix ]; then
- mixer Line 90%
- mixer Aux 90%
- else
- mixer Line 0% mute
- mixer Aux 0% mute
- fi
- # mute mic
- mixer Mic 0% mute
- # ESS 1969 chipset has 2 PCM channels
- mixer PCM,1 90%
- # Trident/YMFPCI/emu10k1
- mixer Wave 100%
- mixer Music 100%
- mixer AC97 100%
- mixer Surround 90%
- mixer 'Surround Digital' 90%
- mixer 'Wave Surround' 90%
- if [ "$CHANNELS" = 6 ]; then
- mixer 'Duplicate Front' 0% off
- else
- mixer 'Duplicate Front' 90%
- fi
- mixer 'Sigmatel 4-Speaker Stereo' 90%
- # CS4237B chipset:
- mixer 'Master Digital' 90%
- # DRC
- mixer 'Dynamic Range Compression' 90%
- # Envy24 chips with analog outs
- mixer DAC 90%
- mixer DAC,0 90%
- mixer DAC,1 90%
- # some notebooks use headphone instead of master
- mixer Headphone 90%
- mixer 'Internal Speaker' 75%
- mixer Playback 100%
-
- mixer Center 90%
- mixer LFE 90%
- mixer Center/LFE 90%
- # Required for either Analog or Digital output
- mixer 'SB Live Analog/Digital Output Jack' $SBL_AUDIGY
- mixer 'Audigy Analog/Digital Output Jack' $SBL_AUDIGY
-
- # set SPDIF mixer params
- if [ "$SOUNDCARD_MODE" = SPDIF ]; then
- mixer 'IEC958' 90%
- mixer 'IEC958 Output' 90%
- mixer 'IEC958 Playback AC97-SPSA' $AC97_SPSA
- mixer 'IEC958 Coaxial' 90%
- mixer 'IEC958 LiveDrive' 90%
- mixer 'IEC958 Optical Raw' 90%
- mixer 'SPDIF Out' 90%
- mixer 'SPDIF Front' 90%
- mixer 'SPDIF Rear' 90%
- mixer 'SPDIF Center/LFE' 90%
- else
- mixer 'SPDIF Out' 0% off
- mixer 'Analog Front' 90%
- mixer 'Analog Rear' 90%
- mixer 'Analog Center/LFE' 90%
- fi
-
- exit 0
-