ASoC: core: add snd_soc_of_parse_audio_prefix()
Current ASoC can add name_prefix for DAPM, and it is necessary for route settings. This patch adds snd_soc_of_parse_audio_prefix() for this purpose. It will be used with snd_soc_of_parse_audio_routing(). Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Tested-by: Keita Kobayashi <keita.kobayashi.ym@renesas.com> Signed-off-by: Mark Brown <broonie@kernel.org>
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@ -1604,6 +1604,10 @@ int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card,
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int snd_soc_of_parse_tdm_slot(struct device_node *np,
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unsigned int *slots,
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unsigned int *slot_width);
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void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card,
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struct snd_soc_codec_conf *codec_conf,
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struct device_node *of_node,
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const char *propname);
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int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
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const char *propname);
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unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
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@ -3303,6 +3303,26 @@ int snd_soc_of_parse_tdm_slot(struct device_node *np,
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}
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EXPORT_SYMBOL_GPL(snd_soc_of_parse_tdm_slot);
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void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card,
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struct snd_soc_codec_conf *codec_conf,
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struct device_node *of_node,
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const char *propname)
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{
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struct device_node *np = card->dev->of_node;
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const char *str;
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int ret;
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ret = of_property_read_string(np, propname, &str);
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if (ret < 0) {
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/* no prefix is not error */
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return;
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}
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codec_conf->of_node = of_node;
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codec_conf->name_prefix = str;
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}
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EXPORT_SYMBOL_GPL(snd_soc_of_parse_audio_prefix);
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int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
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const char *propname)
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{
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