ASoC: SOF: ipc4-topology: Only handle dai_config with HW_PARAMS for ChainDMA
authorPeter Ujfalusi <peter.ujfalusi@linux.intel.com>
Wed, 24 Jul 2024 08:19:31 +0000 (11:19 +0300)
committerMark Brown <broonie@kernel.org>
Wed, 24 Jul 2024 10:29:12 +0000 (11:29 +0100)
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>
Link: https://patch.msgid.link/20240724081932.24542-2-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
sound/soc/sof/ipc4-topology.c

index 90f6856..4a4234d 100644 (file)
@@ -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;
        }