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Diffstat (limited to 'sound/soc/soc-dapm.c')
-rw-r--r--sound/soc/soc-dapm.c26
1 files changed, 22 insertions, 4 deletions
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 177bd8639ef9..2c456a376ade 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -326,12 +326,13 @@ static struct list_head *dapm_kcontrol_get_path_list(
list_for_each_entry(path, dapm_kcontrol_get_path_list(kcontrol), \
list_kcontrol)
-static unsigned int dapm_kcontrol_get_value(const struct snd_kcontrol *kcontrol)
+unsigned int dapm_kcontrol_get_value(const struct snd_kcontrol *kcontrol)
{
struct dapm_kcontrol_data *data = snd_kcontrol_chip(kcontrol);
return data->value;
}
+EXPORT_SYMBOL_GPL(dapm_kcontrol_get_value);
static bool dapm_kcontrol_set_value(const struct snd_kcontrol *kcontrol,
unsigned int value)
@@ -1683,6 +1684,22 @@ static void dapm_power_one_widget(struct snd_soc_dapm_widget *w,
}
}
+static bool dapm_idle_bias_off(struct snd_soc_dapm_context *dapm)
+{
+ if (dapm->idle_bias_off)
+ return true;
+
+ switch (snd_power_get_state(dapm->card->snd_card)) {
+ case SNDRV_CTL_POWER_D3hot:
+ case SNDRV_CTL_POWER_D3cold:
+ return dapm->suspend_bias_off;
+ default:
+ break;
+ }
+
+ return false;
+}
+
/*
* Scan each dapm widget for complete audio path.
* A complete path is a route that has valid endpoints i.e.:-
@@ -1706,7 +1723,7 @@ static int dapm_power_widgets(struct snd_soc_card *card, int event)
trace_snd_soc_dapm_start(card);
list_for_each_entry(d, &card->dapm_list, list) {
- if (d->idle_bias_off)
+ if (dapm_idle_bias_off(d))
d->target_bias_level = SND_SOC_BIAS_OFF;
else
d->target_bias_level = SND_SOC_BIAS_STANDBY;
@@ -1772,7 +1789,7 @@ static int dapm_power_widgets(struct snd_soc_card *card, int event)
if (d->target_bias_level > bias)
bias = d->target_bias_level;
list_for_each_entry(d, &card->dapm_list, list)
- if (!d->idle_bias_off)
+ if (!dapm_idle_bias_off(d))
d->target_bias_level = bias;
trace_snd_soc_dapm_walk_done(card);
@@ -3109,7 +3126,8 @@ snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm,
}
w->dapm = dapm;
- w->codec = dapm->codec;
+ if (dapm->component)
+ w->codec = dapm->component->codec;
INIT_LIST_HEAD(&w->sources);
INIT_LIST_HEAD(&w->sinks);
INIT_LIST_HEAD(&w->list);