intel_sst: Save audio state across D3 on Medfield

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During suspend and runtime_suspend audio dsp will be in D3 state
and will loose its context.

This patch adds support in driver to save the dsp context
and restore this context during resume

Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Ramesh Babu K V <ramesh.babu@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

...

This commit is contained in:

Vinod Koul 2011-05-03 17:31:49 +01:00 • committed by Greg Kroah-Hartman

parent 31dea73851

commit afe9194d58

9 changed files with 148 additions and 27 deletions

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67

drivers/staging/intel_sst/intel_sst.c

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9

drivers/staging/intel_sst/intel_sst_common.h

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2

drivers/staging/intel_sst/intel_sst_drv_interface.c

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14

drivers/staging/intel_sst/intel_sst_dsp.c

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6

drivers/staging/intel_sst/intel_sst_fw_ipc.h

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56

drivers/staging/intel_sst/intel_sst_ipc.c

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11

drivers/staging/intel_sst/intel_sst_stream.c

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8

drivers/staging/intel_sst/intel_sst_stream_encoded.c

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2

drivers/staging/intel_sst/intelmid.c

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