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-rw-r--r--include/sound/soc-dapm.h2
-rw-r--r--sound/soc/soc-dapm.c60
2 files changed, 47 insertions, 15 deletions
diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h
index e2853da..bfefc16 100644
--- a/include/sound/soc-dapm.h
+++ b/include/sound/soc-dapm.h
@@ -495,6 +495,8 @@ struct snd_soc_dapm_widget {
/* used during DAPM updates */
struct list_head power_list;
struct list_head dirty;
+ int inputs;
+ int outputs;
};
struct snd_soc_dapm_update {
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 22fb735..258326b 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -665,6 +665,9 @@ static int is_connected_output_ep(struct snd_soc_dapm_widget *widget)
struct snd_soc_dapm_path *path;
int con = 0;
+ if (widget->outputs >= 0)
+ return widget->outputs;
+
DAPM_UPDATE_STAT(widget, path_checks);
if (widget->id == snd_soc_dapm_supply)
@@ -673,21 +676,29 @@ static int is_connected_output_ep(struct snd_soc_dapm_widget *widget)
switch (widget->id) {
case snd_soc_dapm_adc:
case snd_soc_dapm_aif_out:
- if (widget->active)
- return snd_soc_dapm_suspend_check(widget);
+ if (widget->active) {
+ widget->outputs = snd_soc_dapm_suspend_check(widget);
+ return widget->outputs;
+ }
default:
break;
}
if (widget->connected) {
/* connected pin ? */
- if (widget->id == snd_soc_dapm_output && !widget->ext)
- return snd_soc_dapm_suspend_check(widget);
+ if (widget->id == snd_soc_dapm_output && !widget->ext) {
+ widget->outputs = snd_soc_dapm_suspend_check(widget);
+ return widget->outputs;
+ }
/* connected jack or spk ? */
- if (widget->id == snd_soc_dapm_hp || widget->id == snd_soc_dapm_spk ||
- (widget->id == snd_soc_dapm_line && !list_empty(&widget->sources)))
- return snd_soc_dapm_suspend_check(widget);
+ if (widget->id == snd_soc_dapm_hp ||
+ widget->id == snd_soc_dapm_spk ||
+ (widget->id == snd_soc_dapm_line &&
+ !list_empty(&widget->sources))) {
+ widget->outputs = snd_soc_dapm_suspend_check(widget);
+ return widget->outputs;
+ }
}
list_for_each_entry(path, &widget->sinks, list_source) {
@@ -705,6 +716,8 @@ static int is_connected_output_ep(struct snd_soc_dapm_widget *widget)
}
}
+ widget->outputs = con;
+
return con;
}
@@ -717,6 +730,9 @@ static int is_connected_input_ep(struct snd_soc_dapm_widget *widget)
struct snd_soc_dapm_path *path;
int con = 0;
+ if (widget->inputs >= 0)
+ return widget->inputs;
+
DAPM_UPDATE_STAT(widget, path_checks);
if (widget->id == snd_soc_dapm_supply)
@@ -726,25 +742,35 @@ static int is_connected_input_ep(struct snd_soc_dapm_widget *widget)
switch (widget->id) {
case snd_soc_dapm_dac:
case snd_soc_dapm_aif_in:
- if (widget->active)
- return snd_soc_dapm_suspend_check(widget);
+ if (widget->active) {
+ widget->inputs = snd_soc_dapm_suspend_check(widget);
+ return widget->inputs;
+ }
default:
break;
}
if (widget->connected) {
/* connected pin ? */
- if (widget->id == snd_soc_dapm_input && !widget->ext)
- return snd_soc_dapm_suspend_check(widget);
+ if (widget->id == snd_soc_dapm_input && !widget->ext) {
+ widget->inputs = snd_soc_dapm_suspend_check(widget);
+ return widget->inputs;
+ }
/* connected VMID/Bias for lower pops */
- if (widget->id == snd_soc_dapm_vmid)
- return snd_soc_dapm_suspend_check(widget);
+ if (widget->id == snd_soc_dapm_vmid) {
+ widget->inputs = snd_soc_dapm_suspend_check(widget);
+ return widget->inputs;
+ }
/* connected jack ? */
if (widget->id == snd_soc_dapm_mic ||
- (widget->id == snd_soc_dapm_line && !list_empty(&widget->sinks)))
- return snd_soc_dapm_suspend_check(widget);
+ (widget->id == snd_soc_dapm_line &&
+ !list_empty(&widget->sinks))) {
+ widget->inputs = snd_soc_dapm_suspend_check(widget);
+ return widget->inputs;
+ }
+
}
list_for_each_entry(path, &widget->sources, list_sink) {
@@ -762,6 +788,8 @@ static int is_connected_input_ep(struct snd_soc_dapm_widget *widget)
}
}
+ widget->inputs = con;
+
return con;
}
@@ -1335,6 +1363,8 @@ static int dapm_power_widgets(struct snd_soc_dapm_context *dapm, int event)
list_for_each_entry(w, &card->widgets, list) {
w->power_checked = false;
+ w->inputs = -1;
+ w->outputs = -1;
}
/* Check which widgets we need to power and store them in