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ASoC: SOF: ipc4-topology: Convert FLOAT to S32 during blob selection
SSP/DMIC blobs have no support for FLOAT type, they are using S32 on data bus. Convert the format from FLOAT_LE to S32_LE to make sure that the correct format is used within the path. FLOAT conversion will be done on the host side (or within the path). Fixes: f7c4191 ("ASoC: SOF: ipc4-topology: Add support for float sample type") Cc: stable@vger.kernel.org Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com> Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com> Reviewed-by: Seppo Ingalsuo <seppo.ingalsuo@linux.intel.com> Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Link: https://patch.msgid.link/20251215120648.4827-3-peter.ujfalusi@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
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sound/soc/sof/ipc4-topology.c

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1843,7 +1843,7 @@ snd_sof_get_nhlt_endpoint_data(struct snd_sof_dev *sdev, struct snd_sof_dai *dai
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*len = cfg->size >> 2;
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*dst = (u32 *)cfg->caps;
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if (format_change) {
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if (format_change || params_format(params) == SNDRV_PCM_FORMAT_FLOAT_LE) {
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/*
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* Update the params to reflect that different blob was loaded
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* instead of the requested bit depth (16 -> 32 or 32 -> 16).

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