audio: dai-zephyr: Do not reset the DMA buffer cursor for HD-DMA on T…

…RIGGER_RELEASE During DMA stop/config/start the read/write pointer of HD-DMA is not reset unlike other DMAs (GPDMA, DMAC). Only call the audio_stream_reset() if the link is not serviced by HD-DMA. Link: #8986 Fixes: 9831a9d ("audio: dai-zephyr: reset DMA buffer cursors on TRIGGER_RELEASE") Signed-off-by: Peter Ujfalusi <[email protected]>
thesofproject · Apr 3, 2024 · baca261 · baca261
1 parent 9d7c33a
commit baca261
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/src/audio/dai-zephyr.c b/src/audio/dai-zephyr.c
@@ -1141,8 +1141,12 @@ static int dai_comp_trigger_internal(struct dai_data *dd, struct comp_dev *dev,
 		 * leading to the DMA copying stale data due to
 		 * dma_status() stopping dai_common_copy() from
 		 * updating the data.
+		 *
+		 * Only applies to non HD-DMA links as HD-DMA read/write pointer
+		 * is not reset during stop/config/start
 		 */
-		audio_stream_reset(&dd->dma_buffer->stream);
+		if (!(dd->dai->dma_caps & DMA_CAP_HDA))
+			audio_stream_reset(&dd->dma_buffer->stream);
 
 		/* only start the DAI if we are not XRUN handling */
 		if (dd->xrun == 0) {