[alsa-devel] Repeated calls to trigger and prepare in ALSA driver

[Timur Tabi]

On Jul 4, 2008, at 7:12 AM, DSP Tech wrote:

> I ran a OSS test application. I find that trigger() and prepare()  
> calls are being called repeatedly.

Yes, this is normal.

> Consequently, the DMA tries to reset and start playback for every  
> buffer.

Then you need to redesign your driver so that either A) this doesn't  
happen, or B) it doesn't matter that it happens.