diff options
| -rw-r--r-- | sound/soc/sof/ipc4-topology.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/sound/soc/sof/ipc4-topology.c b/sound/soc/sof/ipc4-topology.c index 3e27c7a48ebd..93b2855388d5 100644 --- a/sound/soc/sof/ipc4-topology.c +++ b/sound/soc/sof/ipc4-topology.c @@ -517,7 +517,23 @@ static int sof_ipc4_widget_setup_comp_dai(struct snd_sof_widget *swidget) { struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); struct sof_ipc4_alh_configuration_blob *blob; + struct snd_soc_dapm_path *p; struct snd_sof_widget *w; + int src_num = 0; + + snd_soc_dapm_widget_for_each_source_path(swidget->widget, p) + src_num++; + + if (swidget->id == snd_soc_dapm_dai_in && src_num == 0) { + /* + * The blob will not be used if the ALH copier is playback direction + * and doesn't connect to any source. + * It is fine to call kfree(ipc4_copier->copier_config) since + * ipc4_copier->copier_config is null. + */ + ret = 0; + break; + } blob = kzalloc(sizeof(*blob), GFP_KERNEL); if (!blob) { |