[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,
}
}
+/* 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);
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;
+ struct snd_pcm_hw_params *params = NULL;
u64 fmt;
int ret;
}
/* Currently very limited parameter selection */
- memset(¶ms, 0, sizeof(params));
- snd_mask_set(hw_param_mask(¶ms, SNDRV_PCM_HW_PARAM_FORMAT), fmt);
+ 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(¶ms, SNDRV_PCM_HW_PARAM_RATE)->min =
+ hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE)->min =
config->rate_min;
- hw_param_interval(¶ms, SNDRV_PCM_HW_PARAM_RATE)->max =
+ hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE)->max =
config->rate_max;
- hw_param_interval(¶ms, SNDRV_PCM_HW_PARAM_CHANNELS)->min
+ hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS)->min
= config->channels_min;
- hw_param_interval(¶ms, SNDRV_PCM_HW_PARAM_CHANNELS)->max
+ hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS)->max
= config->channels_max;
memset(&substream, 0, sizeof(substream));
if (source->driver->ops && source->driver->ops->hw_params) {
substream.stream = SNDRV_PCM_STREAM_CAPTURE;
ret = source->driver->ops->hw_params(&substream,
- ¶ms, source);
+ params, source);
if (ret != 0) {
dev_err(source->dev,
"hw_params() failed: %d\n", ret);
- return 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, ¶ms,
+ ret = sink->driver->ops->hw_params(&substream, params,
sink);
if (ret != 0) {
dev_err(sink->dev,
"hw_params() failed: %d\n", ret);
- return ret;
+ goto out;
}
}
break;
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:
return -EINVAL;
}
- return 0;
+out:
+ kfree(params);
+ return ret;
}
int snd_soc_dapm_new_pcm(struct snd_soc_card *card,
projects / ~andy / linux / blobdiff