@@ -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 */
@@ -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");