[PATCH 17/25] ASoC: sof: use helper function

[Kuninori Morimoto]

From: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>

Current ASoC has many helper function.
This patch use it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
---
 sound/soc/sof/topology.c | 104 ++++++++++++++-------------------------
 1 file changed, 38 insertions(+), 66 deletions(-)

diff --git a/sound/soc/sof/topology.c b/sound/soc/sof/topology.c
index 560771ba8fb9..e9a2d4a240b3 100644
--- a/sound/soc/sof/topology.c
+++ b/sound/soc/sof/topology.c
@@ -1055,6 +1055,7 @@ static int sof_connect_dai_widget(struct snd_soc_component *scomp,
 	struct snd_soc_card *card = scomp->card;
 	struct snd_soc_pcm_runtime *rtd;
 	struct snd_soc_dai *cpu_dai;
+	int stream;
 	int i;
 
 	if (!w->sname) {
@@ -1062,62 +1063,41 @@ static int sof_connect_dai_widget(struct snd_soc_component *scomp,
 		return -EINVAL;
 	}
 
+	if (w->id == snd_soc_dapm_dai_out)
+		stream = SNDRV_PCM_STREAM_CAPTURE;
+	if (w->id == snd_soc_dapm_dai_in)
+		stream = SNDRV_PCM_STREAM_PLAYBACK;
+	else
+		goto end;
+
 	list_for_each_entry(rtd, &card->rtd_list, list) {
 		/* does stream match DAI link ? */
 		if (!rtd->dai_link->stream_name ||
 		    strcmp(w->sname, rtd->dai_link->stream_name))
 			continue;
 
-		switch (w->id) {
-		case snd_soc_dapm_dai_out:
-			for_each_rtd_cpu_dais(rtd, i, cpu_dai) {
-				/*
-				 * Please create DAI widget in the right order
-				 * to ensure BE will connect to the right DAI
-				 * widget.
-				 */
-				if (!cpu_dai->capture_widget) {
-					cpu_dai->capture_widget = w;
-					break;
-				}
-			}
-			if (i == rtd->dai_link->num_cpus) {
-				dev_err(scomp->dev, "error: can't find BE for DAI %s\n",
-					w->name);
-
-				return -EINVAL;
-			}
-			dai->name = rtd->dai_link->name;
-			dev_dbg(scomp->dev, "tplg: connected widget %s -> DAI link %s\n",
-				w->name, rtd->dai_link->name);
-			break;
-		case snd_soc_dapm_dai_in:
-			for_each_rtd_cpu_dais(rtd, i, cpu_dai) {
-				/*
-				 * Please create DAI widget in the right order
-				 * to ensure BE will connect to the right DAI
-				 * widget.
-				 */
-				if (!cpu_dai->playback_widget) {
-					cpu_dai->playback_widget = w;
-					break;
-				}
+		for_each_rtd_cpu_dais(rtd, i, cpu_dai) {
+			/*
+			 * Please create DAI widget in the right order
+			 * to ensure BE will connect to the right DAI
+			 * widget.
+			 */
+			if (!snd_soc_dai_get_widget(cpu_dai, stream)) {
+				snd_soc_dai_set_widget(cpu_dai, stream, w);
+				break;
 			}
-			if (i == rtd->dai_link->num_cpus) {
-				dev_err(scomp->dev, "error: can't find BE for DAI %s\n",
-					w->name);
+		}
+		if (i == rtd->dai_link->num_cpus) {
+			dev_err(scomp->dev, "error: can't find BE for DAI %s\n", w->name);
 
-				return -EINVAL;
-			}
-			dai->name = rtd->dai_link->name;
-			dev_dbg(scomp->dev, "tplg: connected widget %s -> DAI link %s\n",
-				w->name, rtd->dai_link->name);
-			break;
-		default:
-			break;
+			return -EINVAL;
 		}
-	}
 
+		dai->name = rtd->dai_link->name;
+		dev_dbg(scomp->dev, "tplg: connected widget %s -> DAI link %s\n",
+			w->name, rtd->dai_link->name);
+	}
+end:
 	/* check we have a connection */
 	if (!dai->name) {
 		dev_err(scomp->dev, "error: can't connect DAI %s stream %s\n",
@@ -1134,37 +1114,29 @@ static void sof_disconnect_dai_widget(struct snd_soc_component *scomp,
 	struct snd_soc_card *card = scomp->card;
 	struct snd_soc_pcm_runtime *rtd;
 	struct snd_soc_dai *cpu_dai;
-	int i;
+	int i, stream;
 
 	if (!w->sname)
 		return;
 
+	if (w->id == snd_soc_dapm_dai_out)
+		stream = SNDRV_PCM_STREAM_CAPTURE;
+	else if (w->id == snd_soc_dapm_dai_in)
+		stream = SNDRV_PCM_STREAM_PLAYBACK;
+	else
+		return;
+
 	list_for_each_entry(rtd, &card->rtd_list, list) {
 		/* does stream match DAI link ? */
 		if (!rtd->dai_link->stream_name ||
 		    strcmp(w->sname, rtd->dai_link->stream_name))
 			continue;
 
-		switch (w->id) {
-		case snd_soc_dapm_dai_out:
-			for_each_rtd_cpu_dais(rtd, i, cpu_dai) {
-				if (cpu_dai->capture_widget == w) {
-					cpu_dai->capture_widget = NULL;
-					break;
-				}
-			}
-			break;
-		case snd_soc_dapm_dai_in:
-			for_each_rtd_cpu_dais(rtd, i, cpu_dai) {
-				if (cpu_dai->playback_widget == w) {
-					cpu_dai->playback_widget = NULL;
-					break;
-				}
+		for_each_rtd_cpu_dais(rtd, i, cpu_dai)
+			if (snd_soc_dai_get_widget(cpu_dai, stream) == w) {
+				snd_soc_dai_set_widget(cpu_dai, stream, NULL);
+				break;
 			}
-			break;
-		default:
-			break;
-		}
 	}
 }
 
-- 
2.25.1