return true;
}
+/**
+ * snd_soc_dapm_kcontrol_widget() - Returns the widget associated to a
+ * kcontrol
+ * @kcontrol: The kcontrol
+ */
+struct snd_soc_dapm_widget *snd_soc_dapm_kcontrol_widget(
+ struct snd_kcontrol *kcontrol)
+{
+ return dapm_kcontrol_get_wlist(kcontrol)->widgets[0];
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_kcontrol_widget);
+
/**
* snd_soc_dapm_kcontrol_dapm() - Returns the dapm context associated to a
* kcontrol
* Determine if a kcontrol is shared. If it is, look it up. If it isn't,
* create it. Either way, add the widget into the control's widget list
*/
-static int dapm_create_or_share_mixmux_kcontrol(struct snd_soc_dapm_widget *w,
+static int dapm_create_or_share_kcontrol(struct snd_soc_dapm_widget *w,
int kci)
{
struct snd_soc_dapm_context *dapm = w->dapm;
switch (w->id) {
case snd_soc_dapm_switch:
case snd_soc_dapm_mixer:
+ case snd_soc_dapm_pga:
wname_in_long_name = true;
kcname_in_long_name = true;
break;
continue;
if (!w->kcontrols[i]) {
- ret = dapm_create_or_share_mixmux_kcontrol(w, i);
+ ret = dapm_create_or_share_kcontrol(w, i);
if (ret < 0)
return ret;
}
return -EINVAL;
}
- ret = dapm_create_or_share_mixmux_kcontrol(w, 0);
+ ret = dapm_create_or_share_kcontrol(w, 0);
if (ret < 0)
return ret;
/* create new dapm volume control */
static int dapm_new_pga(struct snd_soc_dapm_widget *w)
{
- if (w->num_kcontrols)
- dev_err(w->dapm->dev,
- "ASoC: PGA controls not supported: '%s'\n", w->name);
+ int i, ret;
+
+ for (i = 0; i < w->num_kcontrols; i++) {
+ ret = dapm_create_or_share_kcontrol(w, i);
+ if (ret < 0)
+ return ret;
+ }
return 0;
}
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
substream.stream = SNDRV_PCM_STREAM_CAPTURE;
+ if (source->driver->ops && source->driver->ops->startup) {
+ ret = source->driver->ops->startup(&substream, source);
+ if (ret < 0) {
+ dev_err(source->dev,
+ "ASoC: startup() failed: %d\n", ret);
+ goto out;
+ }
+ source->active++;
+ }
ret = soc_dai_hw_params(&substream, params, source);
if (ret < 0)
goto out;
substream.stream = SNDRV_PCM_STREAM_PLAYBACK;
+ if (sink->driver->ops && sink->driver->ops->startup) {
+ ret = sink->driver->ops->startup(&substream, sink);
+ if (ret < 0) {
+ dev_err(sink->dev,
+ "ASoC: startup() failed: %d\n", ret);
+ goto out;
+ }
+ sink->active++;
+ }
ret = soc_dai_hw_params(&substream, params, sink);
if (ret < 0)
goto out;
if (ret != 0 && ret != -ENOTSUPP)
dev_warn(sink->dev, "ASoC: Failed to mute: %d\n", ret);
ret = 0;
+
+ source->active--;
+ if (source->driver->ops && source->driver->ops->shutdown) {
+ substream.stream = SNDRV_PCM_STREAM_CAPTURE;
+ source->driver->ops->shutdown(&substream, source);
+ }
+
+ sink->active--;
+ if (sink->driver->ops && sink->driver->ops->shutdown) {
+ substream.stream = SNDRV_PCM_STREAM_PLAYBACK;
+ sink->driver->ops->shutdown(&substream, sink);
+ }
break;
default: