Unverified Commit 92939252 authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Mark Brown
Browse files

ASoC: simple-card-utils: add asoc_graph_is_ports0() 



audio-graph-card2 will support DPCM/Multi/Codec2Codec,
and these will use almost same DT settings which uses
ports0 and ports1.
This patch adds asoc_graph_is_ports0() which checks
port is under port0 or not.

Signed-off-by: default avatarKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/875yu2n8ra.wl-kuninori.morimoto.gx@renesas.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent d293abc0

include/sound/simple_card_utils.h

+1 −0
Original line number Diff line number Diff line
@@ -180,6 +180,7 @@ int asoc_simple_init_priv(struct asoc_simple_priv *priv, 
int asoc_simple_remove(struct platform_device *pdev);



int asoc_graph_card_probe(struct snd_soc_card *card);

int asoc_graph_is_ports0(struct device_node *port);



#ifdef DEBUG

static inline void asoc_simple_debug_dai(struct asoc_simple_priv *priv,

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

+28 −0
Original line number Diff line number Diff line
@@ -759,6 +759,34 @@ int asoc_graph_card_probe(struct snd_soc_card *card) 
}

EXPORT_SYMBOL_GPL(asoc_graph_card_probe);



int asoc_graph_is_ports0(struct device_node *np)

{

	struct device_node *port, *ports, *ports0, *top;

	int ret;



	/* np is "endpoint" or "port" */

	if (of_node_name_eq(np, "endpoint")) {

		port = of_get_parent(np);

	} else {

		port = np;

		of_node_get(port);

	}



	ports	= of_get_parent(port);

	top	= of_get_parent(ports);

	ports0	= of_get_child_by_name(top, "ports");



	ret = ports0 == ports;



	of_node_put(port);

	of_node_put(ports);

	of_node_put(ports0);

	of_node_put(top);



	return ret;

}

EXPORT_SYMBOL_GPL(asoc_graph_is_ports0);



/* Module information */

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

MODULE_DESCRIPTION("ALSA SoC Simple Card Utils");