[PATCH RESEND 24/31] ASoC: intel/sdw_utils: move machine driver dai link helper functions

[Vijendar Mukunda <Vijendar.Mukunda@xxxxxxx>]

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/5068
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@xxxxxxx>
Reviewed-by: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
---
 include/sound/soc_sdw_utils.h       |  5 +++
 sound/soc/intel/boards/sof_sdw.c    | 54 ++---------------------------
 sound/soc/sdw_utils/soc_sdw_utils.c | 52 +++++++++++++++++++++++++++
 3 files changed, 59 insertions(+), 52 deletions(-)

diff --git a/include/sound/soc_sdw_utils.h b/include/sound/soc_sdw_utils.h
index 9d99a460ba27..b3b6d6b7ce2f 100644
--- a/include/sound/soc_sdw_utils.h
+++ b/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 */
diff --git a/sound/soc/intel/boards/sof_sdw.c b/sound/soc/intel/boards/sof_sdw.c
index 87f3e5aa1477..07b1d6994304 100644
--- a/sound/soc/intel/boards/sof_sdw.c
+++ b/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[] = {
diff --git a/sound/soc/sdw_utils/soc_sdw_utils.c b/sound/soc/sdw_utils/soc_sdw_utils.c
index a496b4eff6e3..409a50147349 100644
--- a/sound/soc/sdw_utils/soc_sdw_utils.c
+++ b/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");
-- 
2.34.1