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dai: fix getting DW-DMA copy size for DMA_CB_TYPE_LLIST #1160

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Merged
lgirdwood merged 1 commit into from
Mar 21, 2019
Merged

dai: fix getting DW-DMA copy size for DMA_CB_TYPE_LLIST #1160

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11 changes: 8 additions & 3 deletions src/audio/dai.c
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Original file line number Diff line number Diff line change
Expand Up @@ -100,8 +100,9 @@ static void dai_buffer_process(struct comp_dev *dev, struct dma_sg_elem *next)

tracev_dai_with_ids(dev, "dai_buffer_process()");

/* reload lli by default */
next->size = DMA_RELOAD_LLI;
/* reload lli if the last callback wasn't of llist type */
next->size = dd->cb_type == DMA_CB_TYPE_LLIST ? DMA_RELOAD_IGNORE :
DMA_RELOAD_LLI;

/* stop dma copy for pause/stop/xrun */
if (dev->state != COMP_STATE_ACTIVE || dd->xrun) {
Expand Down Expand Up @@ -171,11 +172,15 @@ static void dai_dma_cb(void *data, uint32_t type, struct dma_sg_elem *next)

switch (type) {
case DMA_CB_TYPE_BLOCK:
case DMA_CB_TYPE_LLIST:
dd->cb_type = type;
next->size = DMA_RELOAD_IGNORE;
pipeline_schedule_copy(dev->pipeline, 0);
break;
case DMA_CB_TYPE_LLIST:
dd->cb_type = type;
next->size = DMA_RELOAD_LLI;
pipeline_schedule_copy(dev->pipeline, 0);
break;
case DMA_CB_TYPE_PROCESS:
dai_buffer_process(dev, next);
break;
Expand Down