return !list_empty(&w->dirty);
}
-static void dapm_mark_dirty(struct snd_soc_dapm_widget *w, const char *reason)
+void dapm_mark_dirty(struct snd_soc_dapm_widget *w, const char *reason)
{
if (!dapm_dirty_widget(w)) {
dev_vdbg(w->dapm->dev, "Marking %s dirty due to %s\n",
list_add_tail(&w->dirty, &w->dapm->card->dapm_dirty);
}
}
+EXPORT_SYMBOL_GPL(dapm_mark_dirty);
/* create a new dapm widget */
static inline struct snd_soc_dapm_widget *dapm_cnew_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)
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) {
}
}
+ widget->outputs = con;
+
return con;
}
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)
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) {
}
}
+ widget->inputs = con;
+
return con;
}
static int dapm_supply_check_power(struct snd_soc_dapm_widget *w)
{
struct snd_soc_dapm_path *path;
- int power = 0;
DAPM_UPDATE_STAT(w, power_checks);
if (!path->sink)
continue;
- if (dapm_widget_power_check(path->sink)) {
- power = 1;
- break;
- }
+ if (dapm_widget_power_check(path->sink))
+ return 1;
}
dapm_clear_walk(w->dapm);
- return power;
+ return 0;
}
static int dapm_always_on_check_power(struct snd_soc_dapm_widget *w)
path->connect);
}
}
- list_for_each_entry(path, &w->sinks, list_source) {
- if (path->sink) {
- dapm_widget_set_peer_power(path->sink, power,
- path->connect);
+ switch (w->id) {
+ case snd_soc_dapm_supply:
+ /* Supplies can't affect their outputs, only their inputs */
+ break;
+ default:
+ list_for_each_entry(path, &w->sinks, list_source) {
+ if (path->sink) {
+ dapm_widget_set_peer_power(path->sink, power,
+ path->connect);
+ }
}
+ break;
}
if (power)
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
*/
int snd_soc_dapm_sync(struct snd_soc_dapm_context *dapm)
{
+ /*
+ * Suppress early reports (eg, jacks syncing their state) to avoid
+ * silly DAPM runs during card startup.
+ */
+ if (!dapm->card || !dapm->card->instantiated)
+ return 0;
+
return dapm_power_widgets(dapm, SND_SOC_DAPM_STREAM_NOP);
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_sync);
case snd_soc_dapm_switch:
case snd_soc_dapm_mixer:
case snd_soc_dapm_mixer_named_ctl:
- w->power_check = dapm_generic_check_power;
dapm_new_mixer(w);
break;
case snd_soc_dapm_mux:
case snd_soc_dapm_virt_mux:
case snd_soc_dapm_value_mux:
- w->power_check = dapm_generic_check_power;
dapm_new_mux(w);
break;
- case snd_soc_dapm_adc:
- case snd_soc_dapm_aif_out:
- w->power_check = dapm_adc_check_power;
- break;
- case snd_soc_dapm_dac:
- case snd_soc_dapm_aif_in:
- w->power_check = dapm_dac_check_power;
- break;
case snd_soc_dapm_pga:
case snd_soc_dapm_out_drv:
- w->power_check = dapm_generic_check_power;
dapm_new_pga(w);
break;
- case snd_soc_dapm_input:
- case snd_soc_dapm_output:
- case snd_soc_dapm_micbias:
- case snd_soc_dapm_spk:
- case snd_soc_dapm_hp:
- case snd_soc_dapm_mic:
- case snd_soc_dapm_line:
- w->power_check = dapm_generic_check_power;
- break;
- case snd_soc_dapm_supply:
- w->power_check = dapm_supply_check_power;
- case snd_soc_dapm_vmid:
- case snd_soc_dapm_pre:
- case snd_soc_dapm_post:
+ default:
break;
}
- if (!w->power_check)
- w->power_check = dapm_always_on_check_power;
-
/* Read the initial power state from the device */
if (w->reg >= 0) {
val = soc_widget_read(w, w->reg);
w->new = 1;
- list_add(&w->dirty, &(w->dapm->card->dapm_dirty));
+ dapm_mark_dirty(w, "new widget");
dapm_debugfs_add_widget(w);
}
else
snprintf(w->name, name_len, "%s", widget->name);
+ switch (w->id) {
+ case snd_soc_dapm_switch:
+ case snd_soc_dapm_mixer:
+ case snd_soc_dapm_mixer_named_ctl:
+ w->power_check = dapm_generic_check_power;
+ break;
+ case snd_soc_dapm_mux:
+ case snd_soc_dapm_virt_mux:
+ case snd_soc_dapm_value_mux:
+ w->power_check = dapm_generic_check_power;
+ break;
+ case snd_soc_dapm_adc:
+ case snd_soc_dapm_aif_out:
+ w->power_check = dapm_adc_check_power;
+ break;
+ case snd_soc_dapm_dac:
+ case snd_soc_dapm_aif_in:
+ w->power_check = dapm_dac_check_power;
+ break;
+ case snd_soc_dapm_pga:
+ case snd_soc_dapm_out_drv:
+ case snd_soc_dapm_input:
+ case snd_soc_dapm_output:
+ case snd_soc_dapm_micbias:
+ case snd_soc_dapm_spk:
+ case snd_soc_dapm_hp:
+ case snd_soc_dapm_mic:
+ case snd_soc_dapm_line:
+ w->power_check = dapm_generic_check_power;
+ break;
+ case snd_soc_dapm_supply:
+ w->power_check = dapm_supply_check_power;
+ break;
+ default:
+ w->power_check = dapm_always_on_check_power;
+ break;
+ }
+
dapm->n_widgets++;
w->dapm = dapm;
w->codec = dapm->codec;
projects / ~andy / linux / blobdiff