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-rw-r--r--include/sound/soc-dai.h3
-rw-r--r--sound/soc/soc-core.c28
2 files changed, 31 insertions, 0 deletions
diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h
index 200e1f04c166..58acd00cae19 100644
--- a/include/sound/soc-dai.h
+++ b/include/sound/soc-dai.h
@@ -256,6 +256,9 @@ struct snd_soc_dai_driver {
int (*resume)(struct snd_soc_dai *dai);
/* compress dai */
int (*compress_new)(struct snd_soc_pcm_runtime *rtd, int num);
+ /* Optional Callback used at pcm creation*/
+ int (*pcm_new)(struct snd_soc_pcm_runtime *rtd,
+ struct snd_soc_dai *dai);
/* DAI is also used for the control bus */
bool bus_control;
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index f1901bb1466e..32b8c42be796 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -1593,6 +1593,27 @@ static int soc_probe_dai(struct snd_soc_dai *dai, int order)
return 0;
}
+static int soc_link_dai_pcm_new(struct snd_soc_dai **dais, int num_dais,
+ struct snd_soc_pcm_runtime *rtd)
+{
+ int i, ret = 0;
+
+ for (i = 0; i < num_dais; ++i) {
+ struct snd_soc_dai_driver *drv = dais[i]->driver;
+
+ if (!rtd->dai_link->no_pcm && drv->pcm_new)
+ ret = drv->pcm_new(rtd, dais[i]);
+ if (ret < 0) {
+ dev_err(dais[i]->dev,
+ "ASoC: Failed to bind %s with pcm device\n",
+ dais[i]->name);
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
static int soc_link_dai_widgets(struct snd_soc_card *card,
struct snd_soc_dai_link *dai_link,
struct snd_soc_pcm_runtime *rtd)
@@ -1704,6 +1725,13 @@ static int soc_probe_link_dais(struct snd_soc_card *card,
dai_link->stream_name, ret);
return ret;
}
+ ret = soc_link_dai_pcm_new(&cpu_dai, 1, rtd);
+ if (ret < 0)
+ return ret;
+ ret = soc_link_dai_pcm_new(rtd->codec_dais,
+ rtd->num_codecs, rtd);
+ if (ret < 0)
+ return ret;
} else {
INIT_DELAYED_WORK(&rtd->delayed_work,
codec2codec_close_delayed_work);