From: Kuninori Morimoto <[email protected]> Current simple card drivers are parsing routing on each own driver. Encapsulation is one of simple card util's purpose. Let's add asoc_simple_card_of_parse_routing for it.
Signed-off-by: Kuninori Morimoto <[email protected]> --- include/sound/simple_card_utils.h | 4 ++++ sound/soc/generic/simple-card-utils.c | 22 ++++++++++++++++++++++ 2 files changed, 26 insertions(+) diff --git a/include/sound/simple_card_utils.h b/include/sound/simple_card_utils.h index cc318cc..889c8ff 100644 --- a/include/sound/simple_card_utils.h +++ b/include/sound/simple_card_utils.h @@ -100,4 +100,8 @@ void asoc_simple_card_convert_fixup(struct asoc_simple_card_data *data, void asoc_simple_card_parse_convert(struct device *dev, char *prefix, struct asoc_simple_card_data *data); +int asoc_simple_card_of_parse_routing(struct snd_soc_card *card, + char *prefix, + int optional); + #endif /* __SIMPLE_CARD_UTILS_H */ diff --git a/sound/soc/generic/simple-card-utils.c b/sound/soc/generic/simple-card-utils.c index 948a188..a2b6d95 100644 --- a/sound/soc/generic/simple-card-utils.c +++ b/sound/soc/generic/simple-card-utils.c @@ -375,6 +375,28 @@ int asoc_simple_card_clean_reference(struct snd_soc_card *card) } EXPORT_SYMBOL_GPL(asoc_simple_card_clean_reference); +int asoc_simple_card_of_parse_routing(struct snd_soc_card *card, + char *prefix, + int optional) +{ + struct device_node *node = card->dev->of_node; + char prop[128]; + + if (!prefix) + prefix = ""; + + snprintf(prop, sizeof(prop), "%s%s", prefix, "routing"); + + if (!of_property_read_bool(node, prop)) { + if (optional) + return 0; + return -EINVAL; + } + + return snd_soc_of_parse_audio_routing(card, prop); +} +EXPORT_SYMBOL_GPL(asoc_simple_card_of_parse_routing); + /* Module information */ MODULE_AUTHOR("Kuninori Morimoto <[email protected]>"); MODULE_DESCRIPTION("ALSA SoC Simple Card Utils"); -- 1.9.1
