From ae30a694da4c37b4d0c8b750c9a4104d8da749b3 Mon Sep 17 00:00:00 2001 From: Kuninori Morimoto Date: Mon, 8 Aug 2016 06:01:43 +0000 Subject: 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: Kuninori Morimoto Signed-off-by: Mark Brown --- sound/soc/generic/simple-card-utils.c | 37 +++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) (limited to 'sound/soc/generic') diff --git a/sound/soc/generic/simple-card-utils.c b/sound/soc/generic/simple-card-utils.c index 16f65f972d04..27e6d038a902 100644 --- a/sound/soc/generic/simple-card-utils.c +++ b/sound/soc/generic/simple-card-utils.c @@ -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 "); MODULE_DESCRIPTION("ALSA SoC Simple Card Utils"); -- cgit v1.2.3