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-rw-r--r--include/sound/soc.h4
-rw-r--r--sound/soc/fsl/Makefile2
-rw-r--r--sound/soc/fsl/fsl_spdif.c12
-rw-r--r--sound/soc/mxs/mxs-sgtl5000.c2
-rw-r--r--sound/soc/soc-pcm.c10
5 files changed, 23 insertions, 7 deletions
diff --git a/include/sound/soc.h b/include/sound/soc.h
index 71848058ffd4..d22cb0a06feb 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -930,6 +930,10 @@ struct snd_soc_dai_link {
/* machine stream operations */
const struct snd_soc_ops *ops;
const struct snd_soc_compr_ops *compr_ops;
+
+ /* For unidirectional dai links */
+ bool playback_only;
+ bool capture_only;
};
struct snd_soc_codec_conf {
diff --git a/sound/soc/fsl/Makefile b/sound/soc/fsl/Makefile
index e2aaff717f8a..8db705b0fdf9 100644
--- a/sound/soc/fsl/Makefile
+++ b/sound/soc/fsl/Makefile
@@ -45,7 +45,7 @@ snd-soc-mx27vis-aic32x4-objs := mx27vis-aic32x4.o
snd-soc-wm1133-ev1-objs := wm1133-ev1.o
snd-soc-imx-sgtl5000-objs := imx-sgtl5000.o
snd-soc-imx-wm8962-objs := imx-wm8962.o
-snd-soc-imx-spdif-objs :=imx-spdif.o
+snd-soc-imx-spdif-objs := imx-spdif.o
snd-soc-imx-mc13783-objs := imx-mc13783.o
obj-$(CONFIG_SND_SOC_EUKREA_TLV320) += snd-soc-eukrea-tlv320.o
diff --git a/sound/soc/fsl/fsl_spdif.c b/sound/soc/fsl/fsl_spdif.c
index e93dc0dfb0d9..3920c3e849ce 100644
--- a/sound/soc/fsl/fsl_spdif.c
+++ b/sound/soc/fsl/fsl_spdif.c
@@ -411,8 +411,8 @@ static int spdif_set_sample_rate(struct snd_pcm_substream *substream,
return 0;
}
-int fsl_spdif_startup(struct snd_pcm_substream *substream,
- struct snd_soc_dai *cpu_dai)
+static int fsl_spdif_startup(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *cpu_dai)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(rtd->cpu_dai);
@@ -546,7 +546,7 @@ static int fsl_spdif_trigger(struct snd_pcm_substream *substream,
return 0;
}
-struct snd_soc_dai_ops fsl_spdif_dai_ops = {
+static struct snd_soc_dai_ops fsl_spdif_dai_ops = {
.startup = fsl_spdif_startup,
.hw_params = fsl_spdif_hw_params,
.trigger = fsl_spdif_trigger,
@@ -919,7 +919,7 @@ static int fsl_spdif_dai_probe(struct snd_soc_dai *dai)
return 0;
}
-struct snd_soc_dai_driver fsl_spdif_dai = {
+static struct snd_soc_dai_driver fsl_spdif_dai = {
.probe = &fsl_spdif_dai_probe,
.playback = {
.channels_min = 2,
@@ -1071,9 +1071,9 @@ static int fsl_spdif_probe_txclk(struct fsl_spdif_priv *spdif_priv,
break;
}
- dev_dbg(&pdev->dev, "use rxtx%d as tx clock source for %dHz sample rate",
+ dev_dbg(&pdev->dev, "use rxtx%d as tx clock source for %dHz sample rate\n",
spdif_priv->txclk_src[index], rate[index]);
- dev_dbg(&pdev->dev, "use divisor %d for %dHz sample rate",
+ dev_dbg(&pdev->dev, "use divisor %d for %dHz sample rate\n",
spdif_priv->txclk_div[index], rate[index]);
return 0;
diff --git a/sound/soc/mxs/mxs-sgtl5000.c b/sound/soc/mxs/mxs-sgtl5000.c
index ce084eb10c49..4bb273786ff3 100644
--- a/sound/soc/mxs/mxs-sgtl5000.c
+++ b/sound/soc/mxs/mxs-sgtl5000.c
@@ -105,11 +105,13 @@ static struct snd_soc_dai_link mxs_sgtl5000_dai[] = {
.stream_name = "HiFi Playback",
.codec_dai_name = "sgtl5000",
.ops = &mxs_sgtl5000_hifi_ops,
+ .playback_only = true,
}, {
.name = "HiFi Rx",
.stream_name = "HiFi Capture",
.codec_dai_name = "sgtl5000",
.ops = &mxs_sgtl5000_hifi_ops,
+ .capture_only = true,
},
};
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index fb70fbe26862..330c9a6b5cb5 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -2020,6 +2020,16 @@ int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num)
capture = 1;
}
+ if (rtd->dai_link->playback_only) {
+ playback = 1;
+ capture = 0;
+ }
+
+ if (rtd->dai_link->capture_only) {
+ playback = 0;
+ capture = 1;
+ }
+
/* create the PCM */
if (rtd->dai_link->no_pcm) {
snprintf(new_name, sizeof(new_name), "(%s)",