ASoC: SOF: Move sof_of_machine_select() to sof-of-dev.c from sof-audio.c

Move the sof_of_machine_select() function to sof-of-dev.c file and provide
an inline stub in case of non OF builds.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20231129125327.23708-2-peter.ujfalusi@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sof/sof-audio.c

@@ -990,28 +990,6 @@ int sof_dai_get_bclk(struct snd_soc_pcm_runtime *rtd)
 }
 EXPORT_SYMBOL(sof_dai_get_bclk);
 
-static struct snd_sof_of_mach *sof_of_machine_select(struct snd_sof_dev *sdev)
-{
-	struct snd_sof_pdata *sof_pdata = sdev->pdata;
-	const struct sof_dev_desc *desc = sof_pdata->desc;
-	struct snd_sof_of_mach *mach = desc->of_machines;
-
-	if (!mach)
-		return NULL;
-
-	for (; mach->compatible; mach++) {
-		if (of_machine_is_compatible(mach->compatible)) {
-			sof_pdata->tplg_filename = mach->sof_tplg_filename;
-			if (mach->fw_filename)
-				sof_pdata->fw_filename = mach->fw_filename;
-
-			return mach;
-		}
-	}
-
-	return NULL;
-}
-
 /*
  * SOF Driver enumeration.
  */

sound/soc/sof/sof-of-dev.c

@@ -41,6 +41,29 @@ static void sof_of_probe_complete(struct device *dev)
 	pm_runtime_enable(dev);
 }
 
+struct snd_sof_of_mach *sof_of_machine_select(struct snd_sof_dev *sdev)
+{
+	struct snd_sof_pdata *sof_pdata = sdev->pdata;
+	const struct sof_dev_desc *desc = sof_pdata->desc;
+	struct snd_sof_of_mach *mach = desc->of_machines;
+
+	if (!mach)
+		return NULL;
+
+	for (; mach->compatible; mach++) {
+		if (of_machine_is_compatible(mach->compatible)) {
+			sof_pdata->tplg_filename = mach->sof_tplg_filename;
+			if (mach->fw_filename)
+				sof_pdata->fw_filename = mach->fw_filename;
+
+			return mach;
+		}
+	}
+
+	return NULL;
+}
+EXPORT_SYMBOL(sof_of_machine_select);
+
 int sof_of_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;

sound/soc/sof/sof-of-dev.h

@@ -16,6 +16,15 @@ struct snd_sof_of_mach {
 	const char *sof_tplg_filename;
 };
 
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_OF_DEV)
+struct snd_sof_of_mach *sof_of_machine_select(struct snd_sof_dev *sdev);
+#else
+static inline struct snd_sof_of_mach *sof_of_machine_select(struct snd_sof_dev *sdev)
+{
+	return NULL;
+}
+#endif
+
 extern const struct dev_pm_ops sof_of_pm;
 
 int sof_of_probe(struct platform_device *pdev);