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authorMythri P K <[email protected]>2015-10-20 22:30:08 +0530
committerMark Brown <[email protected]>2015-10-22 15:23:23 +0100
commit93e39a11520c000c9086215460bf27b35b09c724 (patch)
treecfbda8eca521c3f84ebc79170d57c62991f877b3
parent9b8ef9f6b3fcccc2b6ce4bb59d8ab55b36a8b8f0 (diff)
ASoC: dapm: Add snd_soc_dapm_kcontrol_widget()
Given a kcontrol, we may want to access the parent widget and it's associated data. So export function to return it. Signed-off-by: Mythri P K <[email protected]> Signed-off-by: Jeeja KP <[email protected]> Signed-off-by: Vinod Koul <[email protected]> Signed-off-by: Mark Brown <[email protected]>
-rw-r--r--include/sound/soc-dapm.h3
-rw-r--r--sound/soc/soc-dapm.c12
2 files changed, 15 insertions, 0 deletions
diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h
index 5abba037d245..7855cfe46b69 100644
--- a/include/sound/soc-dapm.h
+++ b/include/sound/soc-dapm.h
@@ -451,6 +451,9 @@ int snd_soc_dapm_dai_get_connected_widgets(struct snd_soc_dai *dai, int stream,
struct snd_soc_dapm_context *snd_soc_dapm_kcontrol_dapm(
struct snd_kcontrol *kcontrol);
+struct snd_soc_dapm_widget *snd_soc_dapm_kcontrol_widget(
+ struct snd_kcontrol *kcontrol);
+
int snd_soc_dapm_force_bias_level(struct snd_soc_dapm_context *dapm,
enum snd_soc_bias_level level);
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index a28d6a10bad0..38281c2325ff 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -509,6 +509,18 @@ static bool dapm_kcontrol_set_value(const struct snd_kcontrol *kcontrol,
}
/**
+ * snd_soc_dapm_kcontrol_widget() - Returns the widget associated to a
+ * kcontrol
+ * @kcontrol: The kcontrol
+ */
+struct snd_soc_dapm_widget *snd_soc_dapm_kcontrol_widget(
+ struct snd_kcontrol *kcontrol)
+{
+ return dapm_kcontrol_get_wlist(kcontrol)->widgets[0];
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_kcontrol_widget);
+
+/**
* snd_soc_dapm_kcontrol_dapm() - Returns the dapm context associated to a
* kcontrol
* @kcontrol: The kcontrol