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

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simple-card needs to get its dai name and endpoint node.
This patch makes it simple style standard

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Kuninori Morimoto 2016-08-08 06:01:43 +00:00 committed by Mark Brown
parent bb6fc620c2
commit ae30a694da
2 changed files with 54 additions and 0 deletions
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17
include/sound/simple_card_utils.h
View File

@ -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 */

37
sound/soc/generic/simple-card-utils.c
View File

@ -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");