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Diffstat (limited to 'sound/soc/soc-dapm.c')
-rw-r--r--sound/soc/soc-dapm.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 456617e6378..776e6f41830 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -325,6 +325,7 @@ static int dapm_connect_mixer(struct snd_soc_dapm_context *dapm,
}
static int dapm_is_shared_kcontrol(struct snd_soc_dapm_context *dapm,
+ struct snd_soc_dapm_widget *kcontrolw,
const struct snd_kcontrol_new *kcontrol_new,
struct snd_kcontrol **kcontrol)
{
@@ -334,6 +335,8 @@ static int dapm_is_shared_kcontrol(struct snd_soc_dapm_context *dapm,
*kcontrol = NULL;
list_for_each_entry(w, &dapm->card->widgets, list) {
+ if (w == kcontrolw || w->dapm != kcontrolw->dapm)
+ continue;
for (i = 0; i < w->num_kcontrols; i++) {
if (&w->kcontrol_news[i] == kcontrol_new) {
if (w->kcontrols)
@@ -468,7 +471,7 @@ static int dapm_new_mux(struct snd_soc_dapm_context *dapm,
return -EINVAL;
}
- shared = dapm_is_shared_kcontrol(dapm, &w->kcontrol_news[0],
+ shared = dapm_is_shared_kcontrol(dapm, w, &w->kcontrol_news[0],
&kcontrol);
if (kcontrol) {
wlist = kcontrol->private_data;
@@ -1110,7 +1113,7 @@ static int dapm_power_widgets(struct snd_soc_dapm_context *dapm, int event)
trace_snd_soc_dapm_start(card);
list_for_each_entry(d, &card->dapm_list, list)
- if (d->n_widgets)
+ if (d->n_widgets || d->codec == NULL)
d->dev_power = 0;
/* Check which widgets we need to power and store them in