[alsa-devel] [PATCH v3 09/18] ASoC: fsl-ssi: Only enable baudclk when used

[Mark Brown]

On Wed, Apr 16, 2014 at 04:08:29PM +0800, Nicolin Chen wrote:
> On Wed, Apr 16, 2014 at 09:27:38AM +0200, Markus Pargmann wrote:

> > Is there always exactly one hw_free call for one hw_params call? There
> > is a comment above the function:
> > "Frees resources allocated by hw_params, can be called multiple times",

> That's a good question. IIRC, snd_pcm_release_substream() would call its
> hw_free() right before calling snd_pcm_close(). So there would be at least
> twice for hw_free()'s execution.

There may be any number of hw_params() calls.
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