[snd_soc_dapm_supply] = 1,
[snd_soc_dapm_regulator_supply] = 1,
[snd_soc_dapm_micbias] = 2,
+ [snd_soc_dapm_dai_link] = 2,
[snd_soc_dapm_dai] = 3,
[snd_soc_dapm_aif_in] = 3,
[snd_soc_dapm_aif_out] = 3,
[snd_soc_dapm_out_drv] = 10,
[snd_soc_dapm_hp] = 10,
[snd_soc_dapm_spk] = 10,
+ [snd_soc_dapm_line] = 10,
[snd_soc_dapm_post] = 11,
};
[snd_soc_dapm_adc] = 1,
[snd_soc_dapm_hp] = 2,
[snd_soc_dapm_spk] = 2,
+ [snd_soc_dapm_line] = 2,
[snd_soc_dapm_out_drv] = 2,
[snd_soc_dapm_pga] = 4,
[snd_soc_dapm_mixer_named_ctl] = 5,
[snd_soc_dapm_aif_in] = 10,
[snd_soc_dapm_aif_out] = 10,
[snd_soc_dapm_dai] = 10,
- [snd_soc_dapm_regulator_supply] = 11,
- [snd_soc_dapm_supply] = 11,
- [snd_soc_dapm_post] = 12,
+ [snd_soc_dapm_dai_link] = 11,
+ [snd_soc_dapm_regulator_supply] = 12,
+ [snd_soc_dapm_supply] = 12,
+ [snd_soc_dapm_post] = 13,
};
static void pop_wait(u32 pop_time)
case snd_soc_dapm_mic:
case snd_soc_dapm_spk:
case snd_soc_dapm_line:
+ case snd_soc_dapm_dai_link:
p->connect = 1;
break;
/* does affect routing - dynamically connected */
}
}
+/* add widget to list if it's not already in the list */
+static int dapm_list_add_widget(struct snd_soc_dapm_widget_list **list,
+ struct snd_soc_dapm_widget *w)
+{
+ struct snd_soc_dapm_widget_list *wlist;
+ int wlistsize, wlistentries, i;
+
+ if (*list == NULL)
+ return -EINVAL;
+
+ wlist = *list;
+
+ /* is this widget already in the list */
+ for (i = 0; i < wlist->num_widgets; i++) {
+ if (wlist->widgets[i] == w)
+ return 0;
+ }
+
+ /* allocate some new space */
+ wlistentries = wlist->num_widgets + 1;
+ wlistsize = sizeof(struct snd_soc_dapm_widget_list) +
+ wlistentries * sizeof(struct snd_soc_dapm_widget *);
+ *list = krealloc(wlist, wlistsize, GFP_KERNEL);
+ if (*list == NULL) {
+ dev_err(w->dapm->dev, "can't allocate widget list for %s\n",
+ w->name);
+ return -ENOMEM;
+ }
+ wlist = *list;
+
+ /* insert the widget */
+ dev_dbg(w->dapm->dev, "added %s in widget list pos %d\n",
+ w->name, wlist->num_widgets);
+
+ wlist->widgets[wlist->num_widgets] = w;
+ wlist->num_widgets++;
+ return 1;
+}
+
/*
* Recursively check for a completed path to an active or physically connected
* output widget. Returns number of complete paths.
*/
-static int is_connected_output_ep(struct snd_soc_dapm_widget *widget)
+static int is_connected_output_ep(struct snd_soc_dapm_widget *widget,
+ struct snd_soc_dapm_widget_list **list)
{
struct snd_soc_dapm_path *path;
int con = 0;
if (path->walked)
continue;
+ trace_snd_soc_dapm_output_path(widget, path);
+
if (path->sink && path->connect) {
path->walked = 1;
- con += is_connected_output_ep(path->sink);
+
+ /* do we need to add this widget to the list ? */
+ if (list) {
+ int err;
+ err = dapm_list_add_widget(list, path->sink);
+ if (err < 0) {
+ dev_err(widget->dapm->dev, "could not add widget %s\n",
+ widget->name);
+ return con;
+ }
+ }
+
+ con += is_connected_output_ep(path->sink, list);
}
}
* Recursively check for a completed path to an active or physically connected
* input widget. Returns number of complete paths.
*/
-static int is_connected_input_ep(struct snd_soc_dapm_widget *widget)
+static int is_connected_input_ep(struct snd_soc_dapm_widget *widget,
+ struct snd_soc_dapm_widget_list **list)
{
struct snd_soc_dapm_path *path;
int con = 0;
if (path->walked)
continue;
+ trace_snd_soc_dapm_input_path(widget, path);
+
if (path->source && path->connect) {
path->walked = 1;
- con += is_connected_input_ep(path->source);
+
+ /* do we need to add this widget to the list ? */
+ if (list) {
+ int err;
+ err = dapm_list_add_widget(list, path->sink);
+ if (err < 0) {
+ dev_err(widget->dapm->dev, "could not add widget %s\n",
+ widget->name);
+ return con;
+ }
+ }
+
+ con += is_connected_input_ep(path->source, list);
}
}
return con;
}
+/**
+ * snd_soc_dapm_get_connected_widgets - query audio path and it's widgets.
+ * @dai: the soc DAI.
+ * @stream: stream direction.
+ * @list: list of active widgets for this stream.
+ *
+ * Queries DAPM graph as to whether an valid audio stream path exists for
+ * the initial stream specified by name. This takes into account
+ * current mixer and mux kcontrol settings. Creates list of valid widgets.
+ *
+ * Returns the number of valid paths or negative error.
+ */
+int snd_soc_dapm_dai_get_connected_widgets(struct snd_soc_dai *dai, int stream,
+ struct snd_soc_dapm_widget_list **list)
+{
+ struct snd_soc_card *card = dai->card;
+ int paths;
+
+ mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
+ dapm_reset(card);
+
+ if (stream == SNDRV_PCM_STREAM_PLAYBACK)
+ paths = is_connected_output_ep(dai->playback_widget, list);
+ else
+ paths = is_connected_input_ep(dai->playback_widget, list);
+
+ trace_snd_soc_dapm_connected(paths, stream);
+ dapm_clear_walk(&card->dapm);
+ mutex_unlock(&card->dapm_mutex);
+
+ return paths;
+}
+
/*
* Handler for generic register modifier widget.
*/
DAPM_UPDATE_STAT(w, power_checks);
- in = is_connected_input_ep(w);
+ in = is_connected_input_ep(w, NULL);
dapm_clear_walk(w->dapm);
- out = is_connected_output_ep(w);
+ out = is_connected_output_ep(w, NULL);
dapm_clear_walk(w->dapm);
return out != 0 && in != 0;
}
DAPM_UPDATE_STAT(w, power_checks);
if (w->active) {
- in = is_connected_input_ep(w);
+ in = is_connected_input_ep(w, NULL);
dapm_clear_walk(w->dapm);
return in != 0;
} else {
DAPM_UPDATE_STAT(w, power_checks);
if (w->active) {
- out = is_connected_output_ep(w);
+ out = is_connected_output_ep(w, NULL);
dapm_clear_walk(w->dapm);
return out != 0;
} else {
if (!buf)
return -ENOMEM;
- in = is_connected_input_ep(w);
+ in = is_connected_input_ep(w, NULL);
dapm_clear_walk(w->dapm);
- out = is_connected_output_ep(w);
+ out = is_connected_output_ep(w, NULL);
dapm_clear_walk(w->dapm);
ret = snprintf(buf, PAGE_SIZE, "%s: %s%s in %d out %d",
dapm_power_widgets(widget->dapm, SND_SOC_DAPM_STREAM_NOP);
}
- return 0;
+ return found;
}
int snd_soc_dapm_mux_update_power(struct snd_soc_dapm_widget *widget,
mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
ret = soc_dapm_mux_update_power(widget, kcontrol, mux, e);
mutex_unlock(&card->dapm_mutex);
+ if (ret > 0)
+ soc_dpcm_runtime_update(widget);
return ret;
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_mux_update_power);
dapm_power_widgets(widget->dapm, SND_SOC_DAPM_STREAM_NOP);
}
- return 0;
+ return found;
}
int snd_soc_dapm_mixer_update_power(struct snd_soc_dapm_widget *widget,
mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
ret = soc_dapm_mixer_update_power(widget, kcontrol, connect);
mutex_unlock(&card->dapm_mutex);
+ if (ret > 0)
+ soc_dpcm_runtime_update(widget);
return ret;
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_mixer_update_power);
case snd_soc_dapm_aif_in:
case snd_soc_dapm_aif_out:
case snd_soc_dapm_dai:
+ case snd_soc_dapm_dai_link:
list_add(&path->list, &dapm->card->paths);
list_add(&path->list_sink, &wsink->sources);
list_add(&path->list_source, &wsource->sinks);
case snd_soc_dapm_hp:
case snd_soc_dapm_mic:
case snd_soc_dapm_line:
+ case snd_soc_dapm_dai_link:
w->power_check = dapm_generic_check_power;
break;
case snd_soc_dapm_supply:
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_new_controls);
+static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_dapm_path *source_p, *sink_p;
+ struct snd_soc_dai *source, *sink;
+ const struct snd_soc_pcm_stream *config = w->params;
+ struct snd_pcm_substream substream;
+ struct snd_pcm_hw_params *params = NULL;
+ u64 fmt;
+ int ret;
+
+ BUG_ON(!config);
+ BUG_ON(list_empty(&w->sources) || list_empty(&w->sinks));
+
+ /* We only support a single source and sink, pick the first */
+ source_p = list_first_entry(&w->sources, struct snd_soc_dapm_path,
+ list_sink);
+ sink_p = list_first_entry(&w->sinks, struct snd_soc_dapm_path,
+ list_source);
+
+ BUG_ON(!source_p || !sink_p);
+ BUG_ON(!sink_p->source || !source_p->sink);
+ BUG_ON(!source_p->source || !sink_p->sink);
+
+ source = source_p->source->priv;
+ sink = sink_p->sink->priv;
+
+ /* Be a little careful as we don't want to overflow the mask array */
+ if (config->formats) {
+ fmt = ffs(config->formats) - 1;
+ } else {
+ dev_warn(w->dapm->dev, "Invalid format %llx specified\n",
+ config->formats);
+ fmt = 0;
+ }
+
+ /* Currently very limited parameter selection */
+ params = kzalloc(sizeof(*params), GFP_KERNEL);
+ if (!params) {
+ ret = -ENOMEM;
+ goto out;
+ }
+ snd_mask_set(hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT), fmt);
+
+ hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE)->min =
+ config->rate_min;
+ hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE)->max =
+ config->rate_max;
+
+ hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS)->min
+ = config->channels_min;
+ hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS)->max
+ = config->channels_max;
+
+ memset(&substream, 0, sizeof(substream));
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ if (source->driver->ops && source->driver->ops->hw_params) {
+ substream.stream = SNDRV_PCM_STREAM_CAPTURE;
+ ret = source->driver->ops->hw_params(&substream,
+ params, source);
+ if (ret != 0) {
+ dev_err(source->dev,
+ "hw_params() failed: %d\n", ret);
+ goto out;
+ }
+ }
+
+ if (sink->driver->ops && sink->driver->ops->hw_params) {
+ substream.stream = SNDRV_PCM_STREAM_PLAYBACK;
+ ret = sink->driver->ops->hw_params(&substream, params,
+ sink);
+ if (ret != 0) {
+ dev_err(sink->dev,
+ "hw_params() failed: %d\n", ret);
+ goto out;
+ }
+ }
+ break;
+
+ case SND_SOC_DAPM_POST_PMU:
+ ret = snd_soc_dai_digital_mute(sink, 0);
+ if (ret != 0 && ret != -ENOTSUPP)
+ dev_warn(sink->dev, "Failed to unmute: %d\n", ret);
+ ret = 0;
+ break;
+
+ case SND_SOC_DAPM_PRE_PMD:
+ ret = snd_soc_dai_digital_mute(sink, 1);
+ if (ret != 0 && ret != -ENOTSUPP)
+ dev_warn(sink->dev, "Failed to mute: %d\n", ret);
+ ret = 0;
+ break;
+
+ default:
+ BUG();
+ return -EINVAL;
+ }
+
+out:
+ kfree(params);
+ return ret;
+}
+
+int snd_soc_dapm_new_pcm(struct snd_soc_card *card,
+ const struct snd_soc_pcm_stream *params,
+ struct snd_soc_dapm_widget *source,
+ struct snd_soc_dapm_widget *sink)
+{
+ struct snd_soc_dapm_route routes[2];
+ struct snd_soc_dapm_widget template;
+ struct snd_soc_dapm_widget *w;
+ size_t len;
+ char *link_name;
+
+ len = strlen(source->name) + strlen(sink->name) + 2;
+ link_name = devm_kzalloc(card->dev, len, GFP_KERNEL);
+ if (!link_name)
+ return -ENOMEM;
+ snprintf(link_name, len, "%s-%s", source->name, sink->name);
+
+ memset(&template, 0, sizeof(template));
+ template.reg = SND_SOC_NOPM;
+ template.id = snd_soc_dapm_dai_link;
+ template.name = link_name;
+ template.event = snd_soc_dai_link_event;
+ template.event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
+ SND_SOC_DAPM_PRE_PMD;
+
+ dev_dbg(card->dev, "adding %s widget\n", link_name);
+
+ w = snd_soc_dapm_new_control(&card->dapm, &template);
+ if (!w) {
+ dev_err(card->dev, "Failed to create %s widget\n",
+ link_name);
+ return -ENOMEM;
+ }
+
+ w->params = params;
+
+ memset(&routes, 0, sizeof(routes));
+
+ routes[0].source = source->name;
+ routes[0].sink = link_name;
+ routes[1].source = link_name;
+ routes[1].sink = sink->name;
+
+ return snd_soc_dapm_add_routes(&card->dapm, routes,
+ ARRAY_SIZE(routes));
+}
+
int snd_soc_dapm_new_dai_widgets(struct snd_soc_dapm_context *dapm,
struct snd_soc_dai *dai)
{
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