ASoC: SOF: sof-audio: removed unused function

cppcheck warning:

sound/soc/sof/sof-audio.c:884:0: style: The function
'snd_sof_find_spcm_pcm_id' is never used. [unusedFunction]
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://lore.kernel.org/r/20220307181111.49392-5-ranjani.sridharan@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sof/sof-audio.c

@@ -866,20 +866,6 @@ struct snd_sof_pcm *snd_sof_find_spcm_comp(struct snd_soc_component *scomp,
 	return NULL;
 }
 
-struct snd_sof_pcm *snd_sof_find_spcm_pcm_id(struct snd_soc_component *scomp,
-					     unsigned int pcm_id)
-{
-	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
-	struct snd_sof_pcm *spcm;
-
-	list_for_each_entry(spcm, &sdev->pcm_list, list) {
-		if (le32_to_cpu(spcm->pcm.pcm_id) == pcm_id)
-			return spcm;
-	}
-
-	return NULL;
-}
-
 struct snd_sof_widget *snd_sof_find_swidget(struct snd_soc_component *scomp,
 					    const char *name)
 {

sound/soc/sof/sof-audio.h

@@ -220,8 +220,6 @@ struct snd_sof_pcm *snd_sof_find_spcm_name(struct snd_soc_component *scomp,
 struct snd_sof_pcm *snd_sof_find_spcm_comp(struct snd_soc_component *scomp,
 					   unsigned int comp_id,
 					   int *direction);
-struct snd_sof_pcm *snd_sof_find_spcm_pcm_id(struct snd_soc_component *scomp,
-					     unsigned int pcm_id);
 void snd_sof_pcm_period_elapsed(struct snd_pcm_substream *substream);
 void snd_sof_pcm_init_elapsed_work(struct work_struct *work);