ASoC: SOF: ipc4-pcm: Use consistent name for snd_sof_pcm_stream pointer

Throughout the file the pointer for snd_sof_pcm_stream is named either
'stream' or (wrongly) 'spcm' which confuses the reader.

Use 'sps' for the pointer name as it is the most common name used in SOF
codebase.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://msgid.link/r/20240409110036.9411-2-peter.ujfalusi@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sof/ipc4-pcm.c

@@ -764,7 +764,7 @@ static int sof_ipc4_pcm_setup(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm
 	return 0;
 }
 
-static void sof_ipc4_build_time_info(struct snd_sof_dev *sdev, struct snd_sof_pcm_stream *spcm)
+static void sof_ipc4_build_time_info(struct snd_sof_dev *sdev, struct snd_sof_pcm_stream *sps)
 {
 	struct sof_ipc4_copier *host_copier = NULL;
 	struct sof_ipc4_copier *dai_copier = NULL;
@@ -775,7 +775,7 @@ static void sof_ipc4_build_time_info(struct snd_sof_dev *sdev, struct snd_sof_pc
 	int i;
 
 	/* find host & dai to locate info in memory window */
-	for_each_dapm_widgets(spcm->list, i, widget) {
+	for_each_dapm_widgets(sps->list, i, widget) {
 		struct snd_sof_widget *swidget = widget->dobj.private;
 
 		if (!swidget)
@@ -795,7 +795,7 @@ static void sof_ipc4_build_time_info(struct snd_sof_dev *sdev, struct snd_sof_pc
 		return;
 	}
 
-	info = spcm->private;
+	info = sps->private;
 	info->host_copier = host_copier;
 	info->dai_copier = dai_copier;
 	info->llp_offset = offsetof(struct sof_ipc4_fw_registers, llp_gpdma_reading_slots) +
@@ -864,7 +864,7 @@ static int sof_ipc4_pcm_hw_params(struct snd_soc_component *component,
 
 static int sof_ipc4_get_stream_start_offset(struct snd_sof_dev *sdev,
 					    struct snd_pcm_substream *substream,
-					    struct snd_sof_pcm_stream *stream,
+					    struct snd_sof_pcm_stream *sps,
 					    struct sof_ipc4_timestamp_info *time_info)
 {
 	struct sof_ipc4_copier *host_copier = time_info->host_copier;
@@ -918,7 +918,7 @@ static int sof_ipc4_pcm_pointer(struct snd_soc_component *component,
 	struct sof_ipc4_timestamp_info *time_info;
 	struct sof_ipc4_llp_reading_slot llp;
 	snd_pcm_uframes_t head_cnt, tail_cnt;
-	struct snd_sof_pcm_stream *stream;
+	struct snd_sof_pcm_stream *sps;
 	u64 dai_cnt, host_cnt, host_ptr;
 	struct snd_sof_pcm *spcm;
 	int ret;
@@ -927,8 +927,8 @@ static int sof_ipc4_pcm_pointer(struct snd_soc_component *component,
 	if (!spcm)
 		return -EOPNOTSUPP;
 
-	stream = &spcm->stream[substream->stream];
-	time_info = stream->private;
+	sps = &spcm->stream[substream->stream];
+	time_info = sps->private;
 	if (!time_info)
 		return -EOPNOTSUPP;
 
@@ -938,7 +938,7 @@ static int sof_ipc4_pcm_pointer(struct snd_soc_component *component,
 	 * the statistics is complete. And it will not change after the first initiailization.
 	 */
 	if (time_info->stream_start_offset == SOF_IPC4_INVALID_STREAM_POSITION) {
-		ret = sof_ipc4_get_stream_start_offset(sdev, substream, stream, time_info);
+		ret = sof_ipc4_get_stream_start_offset(sdev, substream, sps, time_info);
 		if (ret < 0)
 			return -EOPNOTSUPP;
 	}
@@ -1030,15 +1030,15 @@ static snd_pcm_sframes_t sof_ipc4_pcm_delay(struct snd_soc_component *component,
 {
 	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
 	struct sof_ipc4_timestamp_info *time_info;
-	struct snd_sof_pcm_stream *stream;
+	struct snd_sof_pcm_stream *sps;
 	struct snd_sof_pcm *spcm;
 
 	spcm = snd_sof_find_spcm_dai(component, rtd);
 	if (!spcm)
 		return 0;
 
-	stream = &spcm->stream[substream->stream];
-	time_info = stream->private;
+	sps = &spcm->stream[substream->stream];
+	time_info = sps->private;
 	/*
 	 * Report the stored delay value calculated in the pointer callback.
 	 * In the unlikely event that the calculation was skipped/aborted, the