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authorLars-Peter Clausen <lars@metafoo.de>2015-07-26 19:05:00 +0200
committerMark Brown <broonie@kernel.org>2015-07-29 14:01:39 +0100
commite63bfd45aba4269811662de0954785622a2ac928 (patch)
tree8040968ee41870609cd6064d10ba2e4fc84a4273 /include/sound/soc-dapm.h
parent1ce43acff0c078fd560ee0f2a4ae10b8da28e388 (diff)
downloadtalos-obmc-linux-e63bfd45aba4269811662de0954785622a2ac928.tar.gz
talos-obmc-linux-e63bfd45aba4269811662de0954785622a2ac928.zip
ASoC: dapm: Add widget path iterators
Add helper iterator macros for iterating over the source and sink paths of widget. This will make it easier to change the implementation later on. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'include/sound/soc-dapm.h')
-rw-r--r--include/sound/soc-dapm.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h
index cadc7fc5d727..4973083d89ce 100644
--- a/include/sound/soc-dapm.h
+++ b/include/sound/soc-dapm.h
@@ -673,4 +673,22 @@ static inline enum snd_soc_bias_level snd_soc_dapm_get_bias_level(
return dapm->bias_level;
}
+/**
+ * snd_soc_dapm_widget_for_each_sink_path - Iterates over all paths leaving a
+ * widget
+ * @w: The widget
+ * @p: The path iterator variable
+ */
+#define snd_soc_dapm_widget_for_each_sink_path(w, p) \
+ list_for_each_entry(p, &w->sinks, list_source)
+
+/**
+ * snd_soc_dapm_widget_for_each_source_path - Iterates over all paths leading to
+ * a widget
+ * @w: The widget
+ * @p: The path iterator variable
+ */
+#define snd_soc_dapm_widget_for_each_source_path(w, p) \
+ list_for_each_entry(p, &w->sources, list_sink)
+
#endif
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