diff options
| -rw-r--r-- | include/sound/simple_card_utils.h | 17 | ||||
| -rw-r--r-- | sound/soc/generic/simple-card-utils.c | 37 |
2 files changed, 54 insertions, 0 deletions
diff --git a/include/sound/simple_card_utils.h b/include/sound/simple_card_utils.h index 1392eb56cf0e..62b392695d2d 100644 --- a/include/sound/simple_card_utils.h +++ b/include/sound/simple_card_utils.h @@ -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 */ 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 <kuninori.morimoto.gx@renesas.com>"); MODULE_DESCRIPTION("ALSA SoC Simple Card Utils"); |