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Commit ae30a694 authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Mark Brown
Browse files

ASoC: simple-card-utils: add asoc_simple_card_parse_dai() 



simple-card needs to get its dai name and endpoint node.
This patch makes it simple style standard

Signed-off-by: default avatarKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent bb6fc620

include/sound/simple_card_utils.h

+17 −0
Original line number Diff line number Diff line
@@ -41,4 +41,21 @@ int asoc_simple_card_parse_clk(struct device_node *node, 
			       struct device_node *dai_of_node,

			       struct asoc_simple_dai *simple_dai);



#define asoc_simple_card_parse_cpu(node, dai_link,				\

				   list_name, cells_name, is_single_link)	\

	asoc_simple_card_parse_dai(node, &dai_link->cpu_of_node,		\

		&dai_link->cpu_dai_name, list_name, cells_name, is_single_link)

#define asoc_simple_card_parse_codec(node, dai_link, list_name, cells_name)	\

	asoc_simple_card_parse_dai(node, &dai_link->codec_of_node,		\

		&dai_link->codec_dai_name, list_name, cells_name, NULL)

#define asoc_simple_card_parse_platform(node, dai_link, list_name, cells_name)	\

	asoc_simple_card_parse_dai(node, &dai_link->platform_of_node,		\

		NULL, list_name, cells_name, NULL)

int asoc_simple_card_parse_dai(struct device_node *node,

				  struct device_node **endpoint_np,

				  const char **dai_name,

				  const char *list_name,

				  const char *cells_name,

				  int *is_single_links);



#endif /* __SIMPLE_CARD_CORE_H */

sound/soc/generic/simple-card-utils.c

+37 −0
Original line number Diff line number Diff line
@@ -127,6 +127,43 @@ int asoc_simple_card_parse_clk(struct device_node *node, 
}

EXPORT_SYMBOL_GPL(asoc_simple_card_parse_clk);



int asoc_simple_card_parse_dai(struct device_node *node,

				    struct device_node **dai_of_node,

				    const char **dai_name,

				    const char *list_name,

				    const char *cells_name,

				    int *is_single_link)

{

	struct of_phandle_args args;

	int ret;



	if (!node)

		return 0;



	/*

	 * Get node via "sound-dai = <&phandle port>"

	 * it will be used as xxx_of_node on soc_bind_dai_link()

	 */

	ret = of_parse_phandle_with_args(node, list_name, cells_name, 0, &args);

	if (ret)

		return ret;



	/* Get dai->name */

	if (dai_name) {

		ret = snd_soc_of_get_dai_name(node, dai_name);

		if (ret < 0)

			return ret;

	}



	*dai_of_node = args.np;



	if (is_single_link)

		*is_single_link = !args.args_count;



	return 0;

}

EXPORT_SYMBOL_GPL(asoc_simple_card_parse_dai);



/* Module information */

MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>");

MODULE_DESCRIPTION("ALSA SoC Simple Card Utils");