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| author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2017-06-15 00:25:02 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2017-06-15 18:14:57 +0100 |
| commit | 3296d07826ebc698113832acb426f037e9b3b253 (patch) | |
| tree | e2be7fe1af7b699ab203c122656863ae4080dafb /sound/soc/generic | |
| parent | c564a5b18710f76da222ad9f14a4c0ebc2c4c74c (diff) | |
| download | linux-3296d07826ebc698113832acb426f037e9b3b253.tar.bz2 | |
ASoC: simple-card-utils: add asoc_simple_card_of_parse_routing()
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 <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/generic')
| -rw-r--r-- | sound/soc/generic/simple-card-utils.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/sound/soc/generic/simple-card-utils.c b/sound/soc/generic/simple-card-utils.c index 948a18842e64..a2b6d95bc2f9 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 <kuninori.morimoto.gx@renesas.com>"); MODULE_DESCRIPTION("ALSA SoC Simple Card Utils"); |