[PATCH 0/6] ASoC: SOF: Add support ctx_save with IPC4

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Hi,

The context save functionality with IPC4 is triggered by sending a message to
the firmware about the pending power down of the primary core by the host.

In order to have this functionality implemented in a clean way we need to
introduce a new IPC level PM ops for core state management and use that instead
of open coding IPC messages here and there.

The first patch updates the ctx store/ctx_restore documentation to clarify that
they are optional.

Regards,
Peter
---
Peter Ujfalusi (6):
  ASoC: SOF: make ctx_store and ctx_restore as optional
  ASoC: SOF: sof_ipc_pm_ops: Add support for DSP core power management
  ASoC: SOF: ipc3: Add set_core_state pm_ops implementation
  ASoC: SOF: ipc4: Add set_core_state pm_ops implementation
  ASoC: SOF: Intel: Switch to use the generic pm_ops.set_core_state
  ASoC: SOF: ipc4: implement pm ctx_save callback

 include/sound/sof/ipc4/header.h |  8 +++++++
 sound/soc/sof/intel/hda-dsp.c   | 15 +++++-------
 sound/soc/sof/intel/tgl.c       | 30 ++++++++----------------
 sound/soc/sof/ipc3.c            | 18 +++++++++++++++
 sound/soc/sof/ipc4.c            | 41 +++++++++++++++++++++++++++++++++
 sound/soc/sof/sof-priv.h        |  6 +++--
 6 files changed, 87 insertions(+), 31 deletions(-)

-- 
2.36.1




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