ASoC: SOF: pcm: move the check for prepared flag

Move the check for the prepared flag inside snd_pcm_dsp_pcm_free() to
avoid having to check it before every invocation of the function.
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20211125101520.291581-8-kai.vehmanen@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sof/pcm.c

@@ -107,6 +107,9 @@ int sof_pcm_dsp_pcm_free(struct snd_pcm_substream *substream, struct snd_sof_dev
 	struct sof_ipc_reply reply;
 	int ret;
 
+	if (!spcm->prepared[substream->stream])
+		return 0;
+
 	stream.hdr.size = sizeof(stream);
 	stream.hdr.cmd = SOF_IPC_GLB_STREAM_MSG | SOF_IPC_STREAM_PCM_FREE;
 	stream.comp_id = spcm->stream[substream->stream].comp_id;
@@ -178,11 +181,9 @@ static int sof_pcm_hw_params(struct snd_soc_component *component,
 	 * Handle repeated calls to hw_params() without free_pcm() in
 	 * between. At least ALSA OSS emulation depends on this.
 	 */
-	if (spcm->prepared[substream->stream]) {
-		ret = sof_pcm_dsp_pcm_free(substream, sdev, spcm);
-		if (ret < 0)
-			return ret;
-	}
+	ret = sof_pcm_dsp_pcm_free(substream, sdev, spcm);
+	if (ret < 0)
+		return ret;
 
 	dev_dbg(component->dev, "pcm: hw params stream %d dir %d\n",
 		spcm->pcm.pcm_id, substream->stream);
@@ -298,11 +299,9 @@ 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]) {
-		ret = sof_pcm_dsp_pcm_free(substream, sdev, spcm);
-		if (ret < 0)
-			err = ret;
-	}
+	ret = sof_pcm_dsp_pcm_free(substream, sdev, spcm);
+	if (ret < 0)
+		err = ret;
 
 	ret = sof_widget_list_free(sdev, spcm, substream->stream);
 	if (ret < 0)