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authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>2019-06-06 13:07:42 +0900
committerMark Brown <broonie@kernel.org>2019-06-06 21:22:42 +0100
commit587c984427bf7d031a2a4b693dfb24a51cd660b2 (patch)
tree458deb6bbcb6ab5a0e72ac2fdc1a1795b595d716 /sound/soc/soc-core.c
parentf107294c6422e772773b53dbf802186175b6289e (diff)
downloadlwn-587c984427bf7d031a2a4b693dfb24a51cd660b2.tar.gz
lwn-587c984427bf7d031a2a4b693dfb24a51cd660b2.zip
ASoC: soc.h: add sound dai_link connection macro
Modern style dai_link requests CPU/Codec/Platform component pointer array and its size, but it will be very verbose code. To avoid such scene, this patch adds dai_link connection macro. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/soc-core.c')
-rw-r--r--sound/soc/soc-core.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index f86ee4f48f06..9bd6b08d79b5 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -58,6 +58,13 @@ static LIST_HEAD(unbind_card_list);
list_for_each_entry(component, &component_list, list)
/*
+ * This is used if driver don't need to have CPU/Codec/Platform
+ * dai_link. see soc.h
+ */
+struct snd_soc_dai_link_component null_dailink_component[0];
+EXPORT_SYMBOL_GPL(null_dailink_component);
+
+/*
* This is a timeout to do a DAPM powerdown after a stream is closed().
* It can be used to eliminate pops between different playback streams, e.g.
* between two audio tracks.