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| author |   Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2015-07-15 07:07:42 +0000 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2015-07-16 21:59:41 +0100 |
| commit | 5e3cdaa20816dd2fe4dc17d06a9f0dae0abc930c (patch) | |
| tree | f0befb114f986347a7eadcf1db7c6f3c7b990b86 /sound | |
| parent | Linux 4.2-rc1 (diff) | |
| download | linux-dev-5e3cdaa20816dd2fe4dc17d06a9f0dae0abc930c.tar.xz linux-dev-5e3cdaa20816dd2fe4dc17d06a9f0dae0abc930c.zip | |
ASoC: core: add snd_soc_of_parse_audio_prefix()
Current ASoC can add name_prefix for DAPM, and it is necessary for
route settings. This patch adds snd_soc_of_parse_audio_prefix() for
this purpose. It will be used with snd_soc_of_parse_audio_routing().
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Tested-by: Keita Kobayashi <keita.kobayashi.ym@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/soc-core.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 3a4a5c0e3f97..fd15d5418647 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -3303,6 +3303,26 @@ int snd_soc_of_parse_tdm_slot(struct device_node *np, } EXPORT_SYMBOL_GPL(snd_soc_of_parse_tdm_slot); +void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card, + struct snd_soc_codec_conf *codec_conf, + struct device_node *of_node, + const char *propname) +{ + struct device_node *np = card->dev->of_node; + const char *str; + int ret; + + ret = of_property_read_string(np, propname, &str); + if (ret < 0) { + /* no prefix is not error */ + return; + } + + codec_conf->of_node = of_node; + codec_conf->name_prefix = str; +} +EXPORT_SYMBOL_GPL(snd_soc_of_parse_audio_prefix); + int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, const char *propname) { |