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

Timur Tabi timur at freescale.com
Mon Jul 7 13:57:06 CEST 2008

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.

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