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Commit 5e3cdaa2 authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Mark Brown
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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: default avatarKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Tested-by: default avatarKeita Kobayashi <keita.kobayashi.ym@renesas.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent d770e558

include/sound/soc.h

+4 −0
Original line number Original line Diff line number Diff line
@@ -1604,6 +1604,10 @@ int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card, 
int snd_soc_of_parse_tdm_slot(struct device_node *np,

int snd_soc_of_parse_tdm_slot(struct device_node *np,

			      unsigned int *slots,

			      unsigned int *slots,

			      unsigned int *slot_width);

			      unsigned int *slot_width);

void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card,

				   struct snd_soc_codec_conf *codec_conf,

				   struct device_node *of_node,

				   const char *propname);

int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,

int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,

				   const char *propname);

				   const char *propname);

unsigned int snd_soc_of_parse_daifmt(struct device_node *np,

unsigned int snd_soc_of_parse_daifmt(struct device_node *np,

sound/soc/soc-core.c

+20 −0
Original line number Original line Diff line number Diff line
@@ -3303,6 +3303,26 @@ int snd_soc_of_parse_tdm_slot(struct device_node *np, 
}

}

EXPORT_SYMBOL_GPL(snd_soc_of_parse_tdm_slot);

EXPORT_SYMBOL_GPL(snd_soc_of_parse_tdm_slot);





void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card,

				   struct snd_soc_codec_conf *codec_conf,

				   struct device_node *of_node,

				   const char *propname)

{

	struct device_node *np = card->dev->of_node;

	const char *str;

	int ret;



	ret = of_property_read_string(np, propname, &str);

	if (ret < 0) {

		/* no prefix is not error */

		return;

	}



	codec_conf->of_node	= of_node;

	codec_conf->name_prefix	= str;

}

EXPORT_SYMBOL_GPL(snd_soc_of_parse_audio_prefix);



int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,

int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,

				   const char *propname)

				   const char *propname)

{

{