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ASoC: SOF: use the sof_ipc_comp reserved bytes for extended data
Use the 32bit reserved member of the struct sof_ipc_comp as the extended data length, this will help to minimize the ABI change for adding new extended data to the struct sof_ipc_comp, usually only minor ABI version bump needed for every update with this new solution. Signed-off-by: Keyon Jie <yang.jie@linux.intel.com> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com> Link: https://lore.kernel.org/r/20200904132744.1699575-6-kai.vehmanen@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
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1 changed files with 2 additions and 2 deletions
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@ -57,8 +57,8 @@ struct sof_ipc_comp {
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uint32_t pipeline_id;
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uint32_t core;
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/* reserved for future use */
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uint32_t reserved[1];
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/* extended data length, 0 if no extended data */
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uint32_t ext_data_length;
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} __packed;
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/*
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