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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 <mythri.p.k@intel.com>
Signed-off-by: Jeeja KP <jeeja.kp@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Mythri P K 2015-10-20 22:30:08 +05:30 committed by Mark Brown
parent 9b8ef9f6b3
commit 93e39a1152
2 changed files with 15 additions and 0 deletions
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3
include/sound/soc-dapm.h
View File

@ -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);

12
sound/soc/soc-dapm.c
View File

@ -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