From 93e39a11520c000c9086215460bf27b35b09c724 Mon Sep 17 00:00:00 2001 From: Mythri P K Date: Tue, 20 Oct 2015 22:30:08 +0530 Subject: [PATCH] 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 Signed-off-by: Jeeja KP Signed-off-by: Vinod Koul Signed-off-by: Mark Brown --- include/sound/soc-dapm.h | 3 +++ sound/soc/soc-dapm.c | 12 ++++++++++++ 2 files changed, 15 insertions(+) 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 @@ -508,6 +508,18 @@ static bool dapm_kcontrol_set_value(const struct snd_kcontrol *kcontrol, return true; } +/** + * 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