At Mon, 16 Dec 2002 08:49:35 -0500,
Paul Davis wrote:
>
> >Martin,
> > That might certainly be an answer. How would this amixer switch get
> >st in the first place? I wouldn't mind doing it by hand once as long as
> >it was then loaded after that.
>
> what you want is a short startup script (typically in somewhere under
> /etc/rc.d, but unfortunately this varies somewhat from linux
> distribution to linux distribution). it would look like this:
>
> #!/bin/sh
>
> HAMMERFALL=0 # change to match the card number of the
> # Hammerfall, as shown in /proc/asound/cards
> CLOCK_MODE=0 # auto-sync, the default condition.
> CLOCK_MODE_NAME="autosync"
>
> case $1 in
> start) if [ -f /some/path/to/this-host-is-master ] ; then
> CLOCK_MODE=1
> CLOCK_MODE_NAME="master"
> else
> CLOCK_MODE=2
> CLOCK_MODE_NAME="word clock"
> fi
> echo "Setting Hammerfall to $CLOCK_MODE_NAME mode ..."
> amixer -c $HAMMERFALL cset \
> iface=PCM,name='Sync Mode',numid=7 $CLOCK_MODE
> esac
> exit 0
>
> then, just create the file /some/path/to/this-host-is-master on one
> machine, and it will automatically set the Master switch when it boots
> up. the other machine will remain in AutoSync mode - if they are
> connected via word clock, you probably want to change that as well,
> using the same script.
the standard alsasound init script can call a card-dependent script
under /etc/alsa.d as the last initialization phase. for example, you
can create the file above as /etc/alsa.d/rme9652 (with exec bit). as
other examples, you can load the soundfont on this script for emu10k1
or sbawe.
many distributions use /etc/sysconfig/XXX file for a local
configuration, btw. in this style, create a file
(e.g. /etc/sysconfig/rme9652) containing the variable definitions such
like:
HAMMERFALL=0
CLOCK_MODE=1
CLOCK_MODE_NAME="master"
and call ". /etc/sysconfig/rme9652" at the beginning of the script.
ciao,
Takashi
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