alsa startup and shutdown scripts

Nickm · 2003-02-26 08:16:35

shouldn't alsa have a startup and shutdown script ??
I currently use

#!/bin/bash
#  file  /etc/rc.d/alsa
. /etc/rc.conf
. /etc/rc.d/functions

case "$1" in
  start)
    stat_busy "Restoring Alsa state"
    alsactl restore      
      stat_done
    ;;
  stop)
    stat_busy "Saving Alsa state"
    alsactl store      
      stat_done
    ;;
  restart)
    $0 stop
    $0 start
    ;;
  *)
    echo "usage: $0 {start|stop|restart}"  
esac

it saves the alsa state at shutdown and restores it on a boot

sarah31 · 2003-02-26 15:13:03

well not having used one yet here i would have to say i dunno. my sound goes down on the rare occassions i reboot and comes back up on boot. i never have had to reset anything alsa wise since installing it.

Nickm · 2003-02-26 17:36:57

The channels on my card are always being reset on a reboot

So i have no sound if i don't use it when i reboot
this script saves the current status, the volumes of all channels and stuff, on a shutdown and restores that state on a reboot

What soundcard do you have?? i am using a sblive 5.1

sarah31 · 2003-02-26 17:56:45

well on one computer i have a cmipci and the other is a via8233. perhaps onboard chips just get treated differently.

BluPhoenyx · 2003-02-26 20:36:35

It's a common problem for sound cards to loose settings when the system restarts. Most OS's get around this by having the system mixer save the sound settings. For Linux, there are multiple methods for this as there are for many things. Which you use depend on you preferences as well as the sound system you choose.

Your setup offers a useful option which works similarly to the OSS version as explained in the sound setup. IE when running aumix with a saved settings file to init the sound system channels. You could probably have done the same with ALSA if you knew the module name. Still, I think it would be a useful addition for the ALSA info in the Arch doc's.

apeiro · 2003-02-27 00:53:19

I use alsa with an SBLive....

I have my alsa modules load in the MODULES=() array in rc.conf, then my rc.local calls 'aumix -L' on bootup.

Nickm · 2003-02-27 06:26:11

Hmm never tried that... what mixer are you using to enable your surround and 5.1 functions ?? I am using gnome-alsa-mixer, but it's quite complicated

phunni · 2003-12-04 10:14:08

apeiro wrote:

I use alsa with an SBLive....
I have my alsa modules load in the MODULES=() array in rc.conf, then my rc.local calls 'aumix -L' on bootup.

I tried this and I still have to manually do an aumix -L once I'm logged in - pretty irritating

phrakture · 2004-01-12 19:00:39

One thing I did is in devsd.conf, you can add actions to perform on module load and unload (I can't remember syntax).

I added "alsactl restore" on module load (snd-emu10k1) and "alsactl store" on module unload. However I had one minor problem with this on the first module load, due to the fact that there was no info to restore. This was easilly fixed by doing an "alsactl store" once manually as root.

Using this approach, the settings are saved and restored whenever the alsa modules are loaded/unloaded. Works very nice.

Arch Linux

#1 2003-02-26 08:16:35

alsa startup and shutdown scripts

#2 2003-02-26 15:13:03

Re: alsa startup and shutdown scripts

#3 2003-02-26 17:36:57

Re: alsa startup and shutdown scripts

#4 2003-02-26 17:56:45

Re: alsa startup and shutdown scripts

#5 2003-02-26 20:36:35

Re: alsa startup and shutdown scripts

#6 2003-02-27 00:53:19

Re: alsa startup and shutdown scripts

#7 2003-02-27 06:26:11

Re: alsa startup and shutdown scripts

#8 2003-12-04 10:14:08

Re: alsa startup and shutdown scripts

#9 2004-01-12 19:00:39

Re: alsa startup and shutdown scripts

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