[alsa-devel] [PATCH] ASoC: Intel: Add support for PM ops in bxt-da7219_max98357a

[Mark Brown]

On Fri, Jun 17, 2016 at 05:45:48PM +0530, Vinod Koul wrote:
> On Fri, Jun 17, 2016 at 01:18:10PM +0200, Lars-Peter Clausen wrote:

> > Why and why is this something that other cards do not need to do?

> When card suspends, the DAPM suspend closes the widgets, which translates to
> we sending IPC to DSP for tearing down the pipelines.

> So we need the platform to be suspended last and resume first. This way the
> snd_soc_suspend will tear down pipelines and snd_soc_resume restore those
> back.

That doesn't answer the question - this applies to any control
mechanism.
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