Re: [PATCH 09/10] ASoC: soc-pcm: care Multi Codec at soc_dpcm_fe_runtime_update()

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On 2/12/20 10:26 PM, Kuninori Morimoto wrote:
From: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>

soc_dpcm_fe_runtime_update() doesn't care Multi Codec now.
We need to care it. This patch fixup it.

Humm, maybe a stupid question but for my education is there an actual case where a front-end dailink uses more that one codec_dai? All the examples I see for Intel rely on COMP_DUMMY().


Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
---
  sound/soc/soc-pcm.c | 24 ++++++++++++++++++------
  1 file changed, 18 insertions(+), 6 deletions(-)

diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index 95fe915f26b0..962fe6cb7d3e 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -2614,8 +2614,10 @@ static int dpcm_run_old_update(struct snd_soc_pcm_runtime *fe, int stream)
static int soc_dpcm_fe_runtime_update(struct snd_soc_pcm_runtime *fe, int new)
  {
+	struct snd_soc_dai *codec_dai;
  	struct snd_soc_dapm_widget_list *list;
  	int count, paths;
+	int i;
if (!fe->dai_link->dynamic)
  		return 0;
@@ -2629,13 +2631,18 @@ static int soc_dpcm_fe_runtime_update(struct snd_soc_pcm_runtime *fe, int new)
  		new ? "new" : "old", fe->dai_link->name);
/* skip if FE doesn't have playback capability */
-	if (!snd_soc_dai_stream_valid(fe->cpu_dai,   SNDRV_PCM_STREAM_PLAYBACK) ||
-	    !snd_soc_dai_stream_valid(fe->codec_dai, SNDRV_PCM_STREAM_PLAYBACK))
+	if (!snd_soc_dai_stream_valid(fe->cpu_dai,   SNDRV_PCM_STREAM_PLAYBACK))
  		goto capture;
+	for_each_rtd_codec_dai(fe, i, codec_dai)
+		if (!snd_soc_dai_stream_valid(codec_dai, SNDRV_PCM_STREAM_PLAYBACK))
+			goto capture;
/* skip if FE isn't currently playing */
-	if (!fe->cpu_dai->playback_active || !fe->codec_dai->playback_active)
+	if (!fe->cpu_dai->playback_active)
  		goto capture;
+	for_each_rtd_codec_dai(fe, i, codec_dai)
+		if (!codec_dai->playback_active)
+			goto capture;
paths = dpcm_path_get(fe, SNDRV_PCM_STREAM_PLAYBACK, &list);
  	if (paths < 0) {
@@ -2660,13 +2667,18 @@ static int soc_dpcm_fe_runtime_update(struct snd_soc_pcm_runtime *fe, int new)
capture:
  	/* skip if FE doesn't have capture capability */
-	if (!snd_soc_dai_stream_valid(fe->cpu_dai,   SNDRV_PCM_STREAM_CAPTURE) ||
-	    !snd_soc_dai_stream_valid(fe->codec_dai, SNDRV_PCM_STREAM_CAPTURE))
+	if (!snd_soc_dai_stream_valid(fe->cpu_dai,   SNDRV_PCM_STREAM_CAPTURE))
  		return 0;
+	for_each_rtd_codec_dai(fe, i, codec_dai)
+		if (!snd_soc_dai_stream_valid(codec_dai, SNDRV_PCM_STREAM_CAPTURE))
+			return 0;
/* skip if FE isn't currently capturing */
-	if (!fe->cpu_dai->capture_active || !fe->codec_dai->capture_active)
+	if (!fe->cpu_dai->capture_active)
  		return 0;
+	for_each_rtd_codec_dai(fe, i, codec_dai)
+		if (!codec_dai->capture_active)
+			return 0;
paths = dpcm_path_get(fe, SNDRV_PCM_STREAM_CAPTURE, &list);
  	if (paths < 0) {

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