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

[Mark Brown]

On Wed, Jun 17, 2020 at 09:02:32PM -0400, Sasha Levin wrote:
> From: Daniel Baluta <daniel.baluta at nxp.com>
> 
> [ Upstream commit c26fde3b15ed41f5f452f1da727795f787833287 ]
> 
> This provides a better separation between runtime and PM sleep
> callbacks.
> 
> Only do nothing if given runtime flag is set and calback is not set.
> 
> With the current implementation, if PM sleep callback is set but runtime
> callback is not set then at runtime resume we reload the firmware even
> if we do not support runtime resume callback.

This doesn't look like a bugfix, just an optimization?
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