On Mon, 12 Apr 2004, Mathieu Rondonneau wrote:

> Hi all,
> 
> i'm writting an ALSA driver. I have some trouble with it.
> 
> I load the driver and then i play sound with dd (dd if=file.wav
> of=/dev/audio0).
> all goes right (i have noise rather than sound but, it's another problem).
> the trigger call start then play noise, then call stop.
> 
> my problem is when i want to play another time, it doesn't work.
> the trigger call start then stop then start then stop ...then start and
> stop... and doesn't end and doesn't play any sound.

Your driver probably forget to acknowledge the transfer with the aplay 
settings. Check if snd_pcm_period_elapsed() is called from your interrupt 
handler.

                                                Jaroslav

-----
Jaroslav Kysela <[EMAIL PROTECTED]>
Linux Kernel Sound Maintainer
ALSA Project, SuSE Labs


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