The DMA Link ID is only valid in snd_sof_dai_config_data when the dai_config is called with HW_PARAMS.
The commit that this patch fixes is actually moved a code section without changing it, the same bug exists in the original code, needing different patch to kernel prior to 6.9 kernels.
Cc: stable@vger.kernel.org Fixes: 3858464de57b ("ASoC: SOF: ipc4-topology: change chain_dma handling in dai_config") Link: https://github.com/thesofproject/linux/issues/5116 Signed-off-by: Peter Ujfalusi peter.ujfalusi@linux.intel.com Reviewed-by: Bard Liao yung-chuan.liao@linux.intel.com Reviewed-by: Ranjani Sridharan ranjani.sridharan@linux.intel.com Reviewed-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com --- sound/soc/sof/ipc4-topology.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/sound/soc/sof/ipc4-topology.c b/sound/soc/sof/ipc4-topology.c index 90f6856ee80c..4a4234d5c941 100644 --- a/sound/soc/sof/ipc4-topology.c +++ b/sound/soc/sof/ipc4-topology.c @@ -3095,8 +3095,14 @@ static int sof_ipc4_dai_config(struct snd_sof_dev *sdev, struct snd_sof_widget * return 0;
if (pipeline->use_chain_dma) { - pipeline->msg.primary &= ~SOF_IPC4_GLB_CHAIN_DMA_LINK_ID_MASK; - pipeline->msg.primary |= SOF_IPC4_GLB_CHAIN_DMA_LINK_ID(data->dai_data); + /* + * Only configure the DMA Link ID for ChainDMA when this op is + * invoked with SOF_DAI_CONFIG_FLAGS_HW_PARAMS + */ + if (flags & SOF_DAI_CONFIG_FLAGS_HW_PARAMS) { + pipeline->msg.primary &= ~SOF_IPC4_GLB_CHAIN_DMA_LINK_ID_MASK; + pipeline->msg.primary |= SOF_IPC4_GLB_CHAIN_DMA_LINK_ID(data->dai_data); + } return 0; }