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Fix a runtime pm issue when HDMI codec doesn't work - #2287

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plbossart merged 3 commits into
thesofproject:topic/sof-devfrom
RanderWang:runtime_pm_hdmi
Jul 22, 2020
Merged

Fix a runtime pm issue when HDMI codec doesn't work#2287
plbossart merged 3 commits into
thesofproject:topic/sof-devfrom
RanderWang:runtime_pm_hdmi

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@RanderWang

@RanderWang RanderWang commented Jul 17, 2020

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The child_count of SOF device is increased in snd_hdac_ext_bus_device_init,
so SOF can't get suspended if we just return when HDMI codec doesn't
work.

snd_hdac_ext_bus_device_exit will be invoked in snd_hdac_ext_bus_device_init
if it gets a error. Now copy this behavior to decrease SOF device
child_count to release SOF device.

fixes #2274

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@plbossart plbossart plbossart approved these changes
@lyakh lyakh lyakh approved these changes
@ranj063 ranj063 ranj063 approved these changes
@bardliao bardliao bardliao approved these changes
@kv2019i kv2019i kv2019i left review comments
@dbaluta dbaluta Awaiting requested review from dbaluta dbaluta is a code owner
@lgirdwood lgirdwood Awaiting requested review from lgirdwood lgirdwood is a code owner

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[Bug][RKL] Runtime PM keeps active when in idle

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@RanderWang @lyakh @aiChaoSONG @plbossart @ranj063 @bardliao @kv2019i