[alsa-devel] ASoC related suspend problems on OMAP3

[Mark Brown]

On Wed, Feb 08, 2012 at 02:34:38AM +0200, Grazvydas Ignotas wrote:
> Hi,
> 
> On OMAP3 pandora, system suspend stops working properly after using
> audio at least once:

Also adding Liam to the CC list (and not deleting any context for
visibility).

> 
> (just after boot):
> # echo mem > /sys/power/state
> [   12.578186] PM: Entering mem sleep
> [   12.678802] PM: suspend of devices complete after 92.834 msecs
> [   12.688201] PM: late suspend of devices complete after 3.173 msecs
> [   17.607971] Successfully put all powerdomains to target state
> 
> # aplay /dev/zero
> ^C
> # echo mem > /sys/power/state
> [  104.404663] PM: suspend of devices complete after 78.794 msecs
> [  104.413909] PM: late suspend of devices complete after 3.021 msecs
> [  106.601196] Powerdomain (per_pwrdm) didn't enter target state 1
> [  106.607421] Powerdomain (core_pwrdm) didn't enter target state 1
> [  106.613739] Could not enter target state in pm_suspend
> 
> I'm seeing this on 3.2, unable to verify on current Linus HEAD as
> something else is preventing core/per low power states there.
> Any ideas what could be causing this? Perhaps some clock is left enabled?
> 
> -- 
> Gra??vydas
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