[ranj063]

Introduce SOF DAI ops to abstract the BE DAI widget DMA, codec_dai and dai_config ops. This change will allow adding the chained DMA mode or the DSP-less mode for the BE DAI widgets with a simple change like this:

diff --git a/sound/soc/sof/intel/hda-dai-ops.c b/sound/soc/sof/intel/hda-dai-ops.c
index 1d1e238d032e..1be992367a89 100644
--- a/sound/soc/sof/intel/hda-dai-ops.c
+++ b/sound/soc/sof/intel/hda-dai-ops.c
@@ -433,10 +433,19 @@ void hda_set_dai_widget_ops(struct snd_sof_dev *sdev, struct snd_sof_widget *swi
        }
        case SOF_INTEL_IPC4:
        {
+               struct snd_sof_widget *pipe_widget = swidget->pipe_widget;
                struct sof_ipc4_copier *ipc4_copier = sdai->private;
+               struct sof_ipc4_pipeline *pipeline = pipe_widget->private;
+               struct snd_sof_dai_dma_ops *dma_ops = sdai->ops->dma_ops;
+
+               if (ipc4_copier->dai_type != SOF_DAI_INTEL_HDA)
+                       break;
+
+               if (pipeline->use_chain_dma) {
+                       dma_ops->pre_trigger = NULL;
+                       dma_ops->post_trigger = NULL;
+               }
 
-               if (ipc4_copier->dai_type == SOF_DAI_INTEL_HDA)
-                       sdai->ops = &hda_ipc4_dai_ops;
                break;
        }
        default: