On Mon, 19 Nov 2001, Andy Lo-A-Foe wrote:
> Hi,
>
> I just did some tests on my setup, alsa 0.9.0beta9 + Trident 4DWave NX.
> I can only open 4 sub devices maximum. I always thought this was a lot
static int snd_maximum_substreams = 4;
MODULE_PARM(snd_maximum_substreams, "i");
MODULE_PARM_DESC(snd_maximum_substreams, "Maximum substreams with preallocated DMA
memory.");
MODULE_PARM_SYNTAX(snd_maximum_substreams, SNDRV_BOOLEAN_TRUE_DESC);
You have probably no continuous DMA memory in your system. Try to increase
the above parameter of the snd-pcm module.
> more (at least 16). Also, what is the function of snd_pcm_hw_params_any() ??
> I have this call in my code but I have no idea what it actually does :)
It means: get the maximum available configuration space. You should refine
it to single configuration later.
Jaroslav
-----
Jaroslav Kysela <[EMAIL PROTECTED]>
SuSE Linux http://www.suse.com
ALSA project http://www.alsa-project.org
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