From: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
Current simple-card is creating dai_link->name / dai_link->stream_name.
These are based on CPU + Codec name.
It can be "fe.CPU" or "be.Codec" if it was DPCM.
This patch adds simple card common function for it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
---
include/sound/simple_card_utils.h | 2 ++
sound/soc/generic/simple-card-utils.c | 42 +++++++++++++++++++++++++++++++++++
2 files changed, 44 insertions(+)
diff --git a/include/sound/simple_card_utils.h b/include/sound/simple_card_utils.h
index 6bb2c5f..41e567b 100644
--- a/include/sound/simple_card_utils.h
+++ b/include/sound/simple_card_utils.h
@@ -29,5 +29,7 @@ int asoc_simple_card_parse_daifmt(struct device *dev,
unsigned int *retfmt);
int asoc_simple_card_parse_tdm(struct device_node *port_np,
struct asoc_simple_dai *simple_dai);
+int asoc_simple_card_parse_dailink_name(struct device *dev,
+ struct snd_soc_dai_link *dai_link);
#endif /* __SIMPLE_CARD_CORE_H */
diff --git a/sound/soc/generic/simple-card-utils.c b/sound/soc/generic/simple-card-utils.c
index 86fb2cf..9b49b5a 100644
--- a/sound/soc/generic/simple-card-utils.c
+++ b/sound/soc/generic/simple-card-utils.c
@@ -63,3 +63,45 @@ int asoc_simple_card_parse_tdm(struct device_node *port_np,
&simple_dai->slot_width);
}
EXPORT_SYMBOL_GPL(asoc_simple_card_parse_tdm);
+
+int asoc_simple_card_parse_dailink_name(struct device *dev,
+ struct snd_soc_dai_link *dai_link)
+{
+ char *name = NULL;
+ int ret = -ENOMEM;
+
+ if (dai_link->dynamic && dai_link->cpu_dai_name) {
+ name = devm_kzalloc(dev,
+ strlen(dai_link->cpu_dai_name) + 4,
+ GFP_KERNEL);
+ if (name)
+ sprintf(name, "fe.%s", dai_link->cpu_dai_name);
+
+ } else if (dai_link->no_pcm && dai_link->codec_dai_name) {
+ name = devm_kzalloc(dev,
+ strlen(dai_link->codec_dai_name) + 4,
+ GFP_KERNEL);
+ if (name)
+ sprintf(name, "be.%s", dai_link->codec_dai_name);
+ } else if (dai_link->cpu_dai_name && dai_link->codec_dai_name) {
+ name = devm_kzalloc(dev,
+ strlen(dai_link->cpu_dai_name) +
+ strlen(dai_link->codec_dai_name) + 2,
+ GFP_KERNEL);
+ if (name) {
+ sprintf(name, "%s-%s",
+ dai_link->cpu_dai_name,
+ dai_link->codec_dai_name);
+ }
+ }
+
+ if (name) {
+ ret = 0;
+
+ dai_link->name =
+ dai_link->stream_name = name;
+ }
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(asoc_simple_card_parse_dailink_name);
--
1.9.1
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