ASoC: intel/sdw_utils: move machine driver dai link helper functions

Move machine driver dai link helper functions to common place holder,
So that it can be used by other platform machine driver.
Rename these functions with "asoc_sdw" tag as a prefix.

Link: https://github.com/thesofproject/linux/pull/5068Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://patch.msgid.link/20240801111821.18076-4-Vijendar.Mukunda@amd.comSigned-off-by: Mark Brown <broonie@kernel.org>

include/sound/soc_sdw_utils.h

@@ -117,6 +117,11 @@ struct asoc_sdw_codec_info *asoc_sdw_find_codec_info_acpi(const u8 *acpi_id);
 struct asoc_sdw_codec_info *asoc_sdw_find_codec_info_dai(const char *dai_name,
 							 int *dai_index);
 
+struct snd_soc_dai_link *asoc_sdw_mc_find_codec_dai_used(struct snd_soc_card *card,
+							 const char *dai_name);
+
+void asoc_sdw_mc_dailink_exit_loop(struct snd_soc_card *card);
+
 int asoc_sdw_rtd_init(struct snd_soc_pcm_runtime *rtd);
 
 /* DMIC support */

sound/soc/intel/boards/sof_sdw.c

@@ -1238,56 +1238,6 @@ static int sof_sdw_card_late_probe(struct snd_soc_card *card)
 	return ret;
 }
 
-/* helper to get the link that the codec DAI is used */
-static struct snd_soc_dai_link *mc_find_codec_dai_used(struct snd_soc_card *card,
-						       const char *dai_name)
-{
-	struct snd_soc_dai_link *dai_link;
-	int i;
-	int j;
-
-	for_each_card_prelinks(card, i, dai_link) {
-		for (j = 0; j < dai_link->num_codecs; j++) {
-			/* Check each codec in a link */
-			if (!strcmp(dai_link->codecs[j].dai_name, dai_name))
-				return dai_link;
-		}
-	}
-	return NULL;
-}
-
-static void mc_dailink_exit_loop(struct snd_soc_card *card)
-{
-	struct snd_soc_dai_link *dai_link;
-	struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card);
-	int ret;
-	int i, j;
-
-	for (i = 0; i < ctx->codec_info_list_count; i++) {
-		for (j = 0; j < codec_info_list[i].dai_num; j++) {
-			codec_info_list[i].dais[j].rtd_init_done = false;
-			/* Check each dai in codec_info_lis to see if it is used in the link */
-			if (!codec_info_list[i].dais[j].exit)
-				continue;
-			/*
-			 * We don't need to call .exit function if there is no matched
-			 * dai link found.
-			 */
-			dai_link = mc_find_codec_dai_used(card,
-							  codec_info_list[i].dais[j].dai_name);
-			if (dai_link) {
-				/* Do the .exit function if the codec dai is used in the link */
-				ret = codec_info_list[i].dais[j].exit(card, dai_link);
-				if (ret)
-					dev_warn(card->dev,
-						 "codec exit failed %d\n",
-						 ret);
-				break;
-			}
-		}
-	}
-}
-
 static int mc_probe(struct platform_device *pdev)
 {
 	struct snd_soc_acpi_mach *mach = dev_get_platdata(&pdev->dev);
@@ -1368,7 +1318,7 @@ static int mc_probe(struct platform_device *pdev)
 	ret = devm_snd_soc_register_card(card->dev, card);
 	if (ret) {
 		dev_err_probe(card->dev, ret, "snd_soc_register_card failed %d\n", ret);
-		mc_dailink_exit_loop(card);
+		asoc_sdw_mc_dailink_exit_loop(card);
 		return ret;
 	}
 
@@ -1381,7 +1331,7 @@ static void mc_remove(struct platform_device *pdev)
 {
 	struct snd_soc_card *card = platform_get_drvdata(pdev);
 
-	mc_dailink_exit_loop(card);
+	asoc_sdw_mc_dailink_exit_loop(card);
 }
 
 static const struct platform_device_id mc_id_table[] = {

sound/soc/sdw_utils/soc_sdw_utils.c

@@ -864,5 +864,57 @@ const char *asoc_sdw_get_codec_name(struct device *dev,
 }
 EXPORT_SYMBOL_NS(asoc_sdw_get_codec_name, SND_SOC_SDW_UTILS);
 
+/* helper to get the link that the codec DAI is used */
+struct snd_soc_dai_link *asoc_sdw_mc_find_codec_dai_used(struct snd_soc_card *card,
+							 const char *dai_name)
+{
+	struct snd_soc_dai_link *dai_link;
+	int i;
+	int j;
+
+	for_each_card_prelinks(card, i, dai_link) {
+		for (j = 0; j < dai_link->num_codecs; j++) {
+			/* Check each codec in a link */
+			if (!strcmp(dai_link->codecs[j].dai_name, dai_name))
+				return dai_link;
+		}
+	}
+	return NULL;
+}
+EXPORT_SYMBOL_NS(asoc_sdw_mc_find_codec_dai_used, SND_SOC_SDW_UTILS);
+
+void asoc_sdw_mc_dailink_exit_loop(struct snd_soc_card *card)
+{
+	struct snd_soc_dai_link *dai_link;
+	struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card);
+	int ret;
+	int i, j;
+
+	for (i = 0; i < ctx->codec_info_list_count; i++) {
+		for (j = 0; j < codec_info_list[i].dai_num; j++) {
+			codec_info_list[i].dais[j].rtd_init_done = false;
+			/* Check each dai in codec_info_lis to see if it is used in the link */
+			if (!codec_info_list[i].dais[j].exit)
+				continue;
+			/*
+			 * We don't need to call .exit function if there is no matched
+			 * dai link found.
+			 */
+			dai_link = asoc_sdw_mc_find_codec_dai_used(card,
+							  codec_info_list[i].dais[j].dai_name);
+			if (dai_link) {
+				/* Do the .exit function if the codec dai is used in the link */
+				ret = codec_info_list[i].dais[j].exit(card, dai_link);
+				if (ret)
+					dev_warn(card->dev,
+						 "codec exit failed %d\n",
+						 ret);
+				break;
+			}
+		}
+	}
+}
+EXPORT_SYMBOL_NS(asoc_sdw_mc_dailink_exit_loop, SND_SOC_SDW_UTILS);
+
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("SoundWire ASoC helpers");