ASoC: SOF: pcm: simplify sof_pcm_hw_free() with helper

The same sequence is used twice, use common helper.
Reviewed-by: Rander Wang <rander.wang@intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://msgid.link/r/20240402151828.175002-15-pierre-louis.bossart@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sof/pcm.c

@@ -196,9 +196,8 @@ static int sof_pcm_hw_free(struct snd_soc_component *component,
 {
 	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
-	const struct sof_ipc_pcm_ops *pcm_ops = sof_ipc_get_ops(sdev, pcm);
 	struct snd_sof_pcm *spcm;
-	int ret, err = 0;
+	int ret;
 
 	/* nothing to do for BE */
 	if (rtd->dai_link->no_pcm)
@@ -211,36 +210,11 @@ static int sof_pcm_hw_free(struct snd_soc_component *component,
 	dev_dbg(component->dev, "pcm: free stream %d dir %d\n",
 		spcm->pcm.pcm_id, substream->stream);
 
-	if (spcm->prepared[substream->stream]) {
-		/* stop DMA first if needed */
-		if (pcm_ops && pcm_ops->platform_stop_during_hw_free)
-			snd_sof_pcm_platform_trigger(sdev, substream, SNDRV_PCM_TRIGGER_STOP);
-
-		/* free PCM in the DSP */
-		if (pcm_ops && pcm_ops->hw_free) {
-			ret = pcm_ops->hw_free(component, substream);
-			if (ret < 0)
-				err = ret;
-		}
-
-		spcm->prepared[substream->stream] = false;
-	}
-
-	/* reset DMA */
-	ret = snd_sof_pcm_platform_hw_free(sdev, substream);
-	if (ret < 0) {
-		dev_err(component->dev, "error: platform hw free failed\n");
-		err = ret;
-	}
-
-	/* free the DAPM widget list */
-	ret = sof_widget_list_free(sdev, spcm, substream->stream);
-	if (ret < 0)
-		err = ret;
+	ret = sof_pcm_stream_free(sdev, substream, spcm, substream->stream, true);
 
 	cancel_work_sync(&spcm->stream[substream->stream].period_elapsed_work);
 
-	return err;
+	return ret;
 }
 
 static int sof_pcm_prepare(struct snd_soc_component *component,