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-rw-r--r--include/sound/soc-dapm.h1
-rw-r--r--sound/soc/soc-dapm.c12
2 files changed, 13 insertions, 0 deletions
diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h
index 76714be19e9d..b25bf0ffc947 100644
--- a/include/sound/soc-dapm.h
+++ b/include/sound/soc-dapm.h
@@ -474,6 +474,7 @@ struct snd_soc_dapm_widget {
/* kcontrols that relate to this widget */
int num_kcontrols;
const struct snd_kcontrol_new *kcontrol_news;
+ struct snd_kcontrol **kcontrols;
/* widget input and outputs */
struct list_head sources;
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 35cc1ed00a44..85b2c94535f4 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -400,6 +400,7 @@ static int dapm_new_mixer(struct snd_soc_dapm_context *dapm,
path->long_name = NULL;
return ret;
}
+ w->kcontrols[i] = path->kcontrol;
}
}
return ret;
@@ -442,6 +443,8 @@ static int dapm_new_mux(struct snd_soc_dapm_context *dapm,
if (ret < 0)
goto err;
+ w->kcontrols[0] = kcontrol;
+
list_for_each_entry(path, &w->sources, list_sink)
path->kcontrol = kcontrol;
@@ -1480,6 +1483,7 @@ static void dapm_free_widgets(struct snd_soc_dapm_context *dapm)
kfree(p->long_name);
kfree(p);
}
+ kfree(w->kcontrols);
kfree(w->name);
kfree(w);
}
@@ -1730,6 +1734,14 @@ int snd_soc_dapm_new_widgets(struct snd_soc_dapm_context *dapm)
if (w->new)
continue;
+ if (w->num_kcontrols) {
+ w->kcontrols = kzalloc(w->num_kcontrols *
+ sizeof(struct snd_kcontrol *),
+ GFP_KERNEL);
+ if (!w->kcontrols)
+ return -ENOMEM;
+ }
+
switch(w->id) {
case snd_soc_dapm_switch:
case snd_soc_dapm_mixer: