On Wed, Apr 27, 2022 at 02:57:30PM +0000, Charles Keepax wrote:
> On Wed, Apr 27, 2022 at 08:12:56AM -0500, Adam Ford wrote:
> > static const struct dev_pm_ops wm8962_pm = {
> > + SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, pm_runtime_force_resume)
> > SET_RUNTIME_PM_OPS(wm8962_runtime_suspend, wm8962_runtime_resume, NULL)
> > };
> > I applied this, and it appears to make the issue go away on a 5.15
> > kernel. I haven't tried it on a 5.18 yet. If this fixes the issue,
> > would that be an acceptable solution to push upstream?
> Feels like those operations should be runtime PM, like there is
> no reason to keep the CODEC in a high power state than necessary.
The issue Adam reported was suspending during playback - if you suspend
during playback or capture the device is not idle at the point where we
start trying to suspend so it shouldn't be in runtime suspend and won't
by default be runtime suspended by the PM core.
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