audio: drc: register IPC-time blob validator#10943
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Hook a drc blob validator into the model handler so a corrupted run-time configuration update is rejected before it can replace the working blob. Playback or capture then continues with the previously set parameters instead of being interrupted by a bad IPC. The DRC configuration is a fixed-size struct sof_drc_config, so the validator requires the IPC payload size to match exactly and the self-declared config->size to agree with it. The same size check is also reused at prepare time when the initial blob is fetched. Signed-off-by: Seppo Ingalsuo <seppo.ingalsuo@linux.intel.com>
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Hook a drc blob validator into the model handler so a corrupted run-time configuration update is rejected before it can replace the working blob. Playback or capture then continues with the previously set parameters instead of being interrupted by a bad IPC.
The DRC configuration is a fixed-size struct sof_drc_config, so the validator requires the IPC payload size to match exactly and the self-declared config->size to agree with it. The same size check is also reused at prepare time when the initial blob is fetched.