From: Kuninori Morimoto kuninori.morimoto.gx@renesas.com
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@renesas.com --- include/sound/simple_card_utils.h | 2 ++ sound/soc/generic/simple-card-utils.c | 30 ++++++++++++++++++++++++++++++ 2 files changed, 32 insertions(+)
diff --git a/include/sound/simple_card_utils.h b/include/sound/simple_card_utils.h index 50aa7b2..3abe224 100644 --- a/include/sound/simple_card_utils.h +++ b/include/sound/simple_card_utils.h @@ -27,5 +27,7 @@ int asoc_simple_card_parse_daifmt(struct device *dev, struct device_node *codec, char *prefix, unsigned int *retfmt); +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 3f6b725..14d3a75 100644 --- a/sound/soc/generic/simple-card-utils.c +++ b/sound/soc/generic/simple-card-utils.c @@ -52,3 +52,33 @@ int asoc_simple_card_parse_daifmt(struct device *dev, return 0; } EXPORT_SYMBOL_GPL(asoc_simple_card_parse_daifmt); + +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_kasprintf(dev, GFP_KERNEL, + "fe.%s", dai_link->cpu_dai_name); + + else if (dai_link->no_pcm && dai_link->codec_dai_name) + name = devm_kasprintf(dev, GFP_KERNEL, + "be.%s", dai_link->codec_dai_name); + else if (dai_link->cpu_dai_name && dai_link->codec_dai_name) + name = devm_kasprintf(dev, GFP_KERNEL, + "%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);