ASoC: SOF: Intel: hda-dai: remove use of cpu_dai->component drvdata

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The existing code relies on conversions from cpu_dai to the sdev
structure pointer based on the cpu_dai component. This works fine for
HDaudio but will not work for SoundWire DAIs which are registered by a
different component. That's a problem preventing reuse of the HDaudio
DMA stream allocation for SoundWire DAIs starting with the LunarLake
platform.

This patch introduces a set of helpers to perform the conversion, and
an indirect way of retrieving the sdev pointer based on the
swidget->comp intermediate pointer.

Suggested-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com
Reviewed-by: Rander Wang <rander.wang@intel.com
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com
Link: https://lore.kernel.org/r/20230512181702.117483-3-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org

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Pierre-Louis Bossart 2023-05-12 13:16:55 -05:00 • committed by Mark Brown

parent 3886518fdb

commit de8e2d5d80

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sound/soc/sof/intel/hda-dai.c

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