ASoC: pcm: improve debug output for DPCM BE searching.

Improve the DPCM BE search debug output to make it easier to debug
issues in topologies.

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 11 insertions, 0 deletions

diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index 084125463d10..68d9dc930096 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -1392,12 +1392,18 @@ static struct snd_soc_pcm_runtime *dpcm_get_be(struct snd_soc_card *card,
         struct snd_soc_pcm_runtime *be;
         int i;
 
+        dev_dbg(card->dev, "ASoC: find BE for widget %s\n", widget->name);
+
         if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
                 list_for_each_entry(be, &card->rtd_list, list) {
 
                         if (!be->dai_link->no_pcm)
                                 continue;
 
+                        dev_dbg(card->dev, "ASoC: try BE : %s\n",
+                                be->cpu_dai->playback_widget ?
+                                be->cpu_dai->playback_widget->name : "(not set)");
+
                         if (be->cpu_dai->playback_widget == widget)
                                 return be;
 
@@ -1414,6 +1420,10 @@ static struct snd_soc_pcm_runtime *dpcm_get_be(struct snd_soc_card *card,
                         if (!be->dai_link->no_pcm)
                                 continue;
 
+                        dev_dbg(card->dev, "ASoC: try BE %s\n",
+                                be->cpu_dai->capture_widget ?
+                                be->cpu_dai->capture_widget->name : "(not set)");
+
                         if (be->cpu_dai->capture_widget == widget)
                                 return be;
 
@@ -1425,6 +1435,7 @@ static struct snd_soc_pcm_runtime *dpcm_get_be(struct snd_soc_card *card,
                 }
         }
 
+        /* dai link name and stream name set correctly ? */
         dev_err(card->dev, "ASoC: can't get %s BE for %s\n",
                 stream ? "capture" : "playback", widget->name);
         return NULL;