[PATCH AUTOSEL 5.7 055/388] ASoC: SOF: Do nothing when DSP PM callbacks are not set

[Mark Brown]

On Thu, Jun 18, 2020 at 02:44:18PM +0300, Daniel Baluta wrote:

> Indeed can be seen as an optimization, but it does unexpected things which
> can cause trouble

> and weird behavior for people not familiar with the matter.

> For example, as explained in the commit message if you only provide

> System PM handler but not runtime PM handler, then the DSP will be resetted

> even if this is not the intention.

The user shouldn't be thinking about if the DSP is reset during runtime
PM, or if it's being reset...
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