diff options
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/soc-dapm.c | 59 |
1 files changed, 53 insertions, 6 deletions
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index ff8bda471b25..016eba10b1ec 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -509,6 +509,18 @@ static bool dapm_kcontrol_set_value(const struct snd_kcontrol *kcontrol, } /** + * 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 * @kcontrol: The kcontrol @@ -779,7 +791,7 @@ static int dapm_is_shared_kcontrol(struct snd_soc_dapm_context *dapm, * 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; @@ -810,6 +822,7 @@ static int dapm_create_or_share_mixmux_kcontrol(struct snd_soc_dapm_widget *w, 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; @@ -899,7 +912,7 @@ static int dapm_new_mixer(struct snd_soc_dapm_widget *w) 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; } @@ -952,7 +965,7 @@ static int dapm_new_mux(struct snd_soc_dapm_widget *w) return -EINVAL; } - ret = dapm_create_or_share_mixmux_kcontrol(w, 0); + ret = dapm_create_or_share_kcontrol(w, 0); if (ret < 0) return ret; @@ -967,9 +980,13 @@ static int dapm_new_mux(struct snd_soc_dapm_widget *w) /* 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; } @@ -3473,11 +3490,29 @@ static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w, 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; @@ -3497,6 +3532,18 @@ static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w, 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: |