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ASoC: SOF: topology: allocate string for tuples

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In preparation to handle tuples from multiple topologies, duplicate the
tuple string value by allocating memory for it.

Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Liam Girdwood <liam.r.girdwood@intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://patch.msgid.link/20250414063239.85200-2-yung-chuan.liao@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Bard Liao 2025-04-14 14:32:29 +08:00 committed by Mark Brown
parent 8ffd015db8
commit 2c91f33c72
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GPG Key ID: 24D68B725D5487D0
1 changed files with 5 additions and 1 deletions
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6
sound/soc/sof/topology.c
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@ -571,7 +571,11 @@ static int sof_copy_tuples(struct snd_sof_dev *sdev, struct snd_soc_tplg_vendor_
continue;
tuples[*num_copied_tuples].token = tokens[j].token;
tuples[*num_copied_tuples].value.s = elem->string;
tuples[*num_copied_tuples].value.s =
devm_kasprintf(sdev->dev, GFP_KERNEL,
"%s", elem->string);
if (!tuples[*num_copied_tuples].value.s)
return -ENOMEM;
} else {
struct snd_soc_tplg_vendor_value_elem *elem;