From: Kuninori Morimoto <[email protected]> simple-card needs to get its dai name and endpoint node. This patch makes it simple style standard
Signed-off-by: Kuninori Morimoto <[email protected]> --- include/sound/simple_card_utils.h | 19 ++++++++++++++++++ sound/soc/generic/simple-card-utils.c | 38 +++++++++++++++++++++++++++++++++++ 2 files changed, 57 insertions(+) diff --git a/include/sound/simple_card_utils.h b/include/sound/simple_card_utils.h index b8a8649..1a77d72 100644 --- a/include/sound/simple_card_utils.h +++ b/include/sound/simple_card_utils.h @@ -46,4 +46,23 @@ int asoc_simple_card_parse_clk(struct device_node *port_np, struct device_node *endpoint_np, struct asoc_simple_dai *simple_dai); +#define asoc_simple_card_parse_cpu(port_np, dai_link, \ + list_name, cells_name, is_single_link) \ + asoc_simple_card_parse_endpoint(port_np, &dai_link->cpu_of_node, \ + &dai_link->cpu_dai_name, list_name, cells_name, is_single_link) +#define asoc_simple_card_parse_codec(port_np, dai_link, \ + list_name, cells_name) \ + asoc_simple_card_parse_endpoint(port_np, &dai_link->codec_of_node, \ + &dai_link->codec_dai_name, list_name, cells_name, NULL) +#define asoc_simple_card_parse_platform(port_np, dai_link, \ + list_name, cells_name) \ + asoc_simple_card_parse_endpoint(port_np, &dai_link->platform_of_node, \ + NULL, list_name, cells_name, NULL) +int asoc_simple_card_parse_endpoint(struct device_node *port_np, + 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 dbf4b00..a3d917d 100644 --- a/sound/soc/generic/simple-card-utils.c +++ b/sound/soc/generic/simple-card-utils.c @@ -172,3 +172,41 @@ int asoc_simple_card_parse_clk(struct device_node *port_np, return 0; } EXPORT_SYMBOL_GPL(asoc_simple_card_parse_clk); + +int asoc_simple_card_parse_endpoint(struct device_node *port_np, + struct device_node **endpoint_np, + const char **dai_name, + const char *list_name, + const char *cells_name, + int *is_single_link) +{ + struct of_phandle_args args; + int ret; + + if (!port_np) + 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(port_np, + list_name, cells_name, 0, &args); + if (ret) + return ret; + + /* Get dai->name */ + if (dai_name) { + ret = snd_soc_of_get_dai_name(port_np, dai_name); + if (ret < 0) + return ret; + } + + *endpoint_np = args.np; + + if (is_single_link) + *is_single_link = !args.args_count; + + return 0; +} +EXPORT_SYMBOL_GPL(asoc_simple_card_parse_endpoint); -- 1.9.1
