ASoC: dapm: Add widget path iterators
Add helper iterator macros for iterating over the source and sink paths of widget. This will make it easier to change the implementation later on. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Mark Brown <broonie@kernel.org>
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@ -673,4 +673,22 @@ static inline enum snd_soc_bias_level snd_soc_dapm_get_bias_level(
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return dapm->bias_level;
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}
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/**
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* snd_soc_dapm_widget_for_each_sink_path - Iterates over all paths leaving a
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* widget
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* @w: The widget
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* @p: The path iterator variable
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*/
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#define snd_soc_dapm_widget_for_each_sink_path(w, p) \
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list_for_each_entry(p, &w->sinks, list_source)
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/**
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* snd_soc_dapm_widget_for_each_source_path - Iterates over all paths leading to
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* a widget
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* @w: The widget
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* @p: The path iterator variable
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*/
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#define snd_soc_dapm_widget_for_each_source_path(w, p) \
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list_for_each_entry(p, &w->sources, list_sink)
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#endif
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@ -1298,7 +1298,7 @@ int sst_send_pipe_gains(struct snd_soc_dai *dai, int stream, int mute)
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dev_dbg(dai->dev, "Stream name=%s\n",
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dai->playback_widget->name);
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w = dai->playback_widget;
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list_for_each_entry(p, &w->sinks, list_source) {
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snd_soc_dapm_widget_for_each_sink_path(w, p) {
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if (p->connected && !p->connected(w, p->sink))
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continue;
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@ -1317,7 +1317,7 @@ int sst_send_pipe_gains(struct snd_soc_dai *dai, int stream, int mute)
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dev_dbg(dai->dev, "Stream name=%s\n",
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dai->capture_widget->name);
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w = dai->capture_widget;
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list_for_each_entry(p, &w->sources, list_sink) {
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snd_soc_dapm_widget_for_each_source_path(w, p) {
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if (p->connected && !p->connected(w, p->sink))
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continue;
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@ -193,7 +193,7 @@ static void dapm_widget_invalidate_input_paths(struct snd_soc_dapm_widget *w)
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list_add_tail(&w->work_list, &list);
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list_for_each_entry(w, &list, work_list) {
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list_for_each_entry(p, &w->sinks, list_source) {
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snd_soc_dapm_widget_for_each_sink_path(w, p) {
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if (p->is_supply || p->weak || !p->connect)
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continue;
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sink = p->sink;
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@ -232,7 +232,7 @@ static void dapm_widget_invalidate_output_paths(struct snd_soc_dapm_widget *w)
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list_add_tail(&w->work_list, &list);
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list_for_each_entry(w, &list, work_list) {
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list_for_each_entry(p, &w->sources, list_sink) {
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snd_soc_dapm_widget_for_each_source_path(w, p) {
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if (p->is_supply || p->weak || !p->connect)
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continue;
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source = p->source;
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@ -894,7 +894,7 @@ static int dapm_new_mixer(struct snd_soc_dapm_widget *w)
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/* add kcontrol */
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for (i = 0; i < w->num_kcontrols; i++) {
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/* match name */
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list_for_each_entry(path, &w->sources, list_sink) {
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snd_soc_dapm_widget_for_each_source_path(w, path) {
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/* mixer/mux paths name must match control name */
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if (path->name != (char *)w->kcontrol_news[i].name)
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continue;
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@ -958,12 +958,12 @@ static int dapm_new_mux(struct snd_soc_dapm_widget *w)
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return ret;
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if (w->id == snd_soc_dapm_mux) {
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list_for_each_entry(path, &w->sources, list_sink) {
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snd_soc_dapm_widget_for_each_source_path(w, path) {
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if (path->name)
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dapm_kcontrol_add_path(w->kcontrols[0], path);
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}
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} else {
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list_for_each_entry(path, &w->sinks, list_source) {
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snd_soc_dapm_widget_for_each_sink_path(w, path) {
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if (path->name)
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dapm_kcontrol_add_path(w->kcontrols[0], path);
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}
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@ -1079,7 +1079,7 @@ static int is_connected_output_ep(struct snd_soc_dapm_widget *widget,
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return widget->outputs;
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}
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list_for_each_entry(path, &widget->sinks, list_source) {
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snd_soc_dapm_widget_for_each_sink_path(widget, path) {
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DAPM_UPDATE_STAT(widget, neighbour_checks);
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if (path->weak || path->is_supply)
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@ -1126,7 +1126,7 @@ static int is_connected_input_ep(struct snd_soc_dapm_widget *widget,
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return widget->inputs;
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}
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list_for_each_entry(path, &widget->sources, list_sink) {
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snd_soc_dapm_widget_for_each_source_path(widget, path) {
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DAPM_UPDATE_STAT(widget, neighbour_checks);
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if (path->weak || path->is_supply)
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@ -1292,7 +1292,7 @@ static int dapm_supply_check_power(struct snd_soc_dapm_widget *w)
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DAPM_UPDATE_STAT(w, power_checks);
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/* Check if one of our outputs is connected */
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list_for_each_entry(path, &w->sinks, list_source) {
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snd_soc_dapm_widget_for_each_sink_path(w, path) {
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DAPM_UPDATE_STAT(w, neighbour_checks);
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if (path->weak)
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@ -1716,12 +1716,12 @@ static void dapm_widget_set_power(struct snd_soc_dapm_widget *w, bool power,
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/* If we changed our power state perhaps our neigbours changed
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* also.
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*/
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list_for_each_entry(path, &w->sources, list_sink)
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snd_soc_dapm_widget_for_each_source_path(w, path)
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dapm_widget_set_peer_power(path->source, power, path->connect);
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/* Supplies can't affect their outputs, only their inputs */
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if (!w->is_supply) {
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list_for_each_entry(path, &w->sinks, list_source)
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snd_soc_dapm_widget_for_each_sink_path(w, path)
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dapm_widget_set_peer_power(path->sink, power,
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path->connect);
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}
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@ -1958,7 +1958,7 @@ static ssize_t dapm_widget_power_read_file(struct file *file,
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w->sname,
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w->active ? "active" : "inactive");
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list_for_each_entry(p, &w->sources, list_sink) {
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snd_soc_dapm_widget_for_each_source_path(w, p) {
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if (p->connected && !p->connected(w, p->source))
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continue;
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@ -1968,7 +1968,7 @@ static ssize_t dapm_widget_power_read_file(struct file *file,
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p->name ? p->name : "static",
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p->source->name);
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}
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list_for_each_entry(p, &w->sinks, list_source) {
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snd_soc_dapm_widget_for_each_sink_path(w, p) {
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if (p->connected && !p->connected(w, p->sink))
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continue;
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@ -2426,7 +2426,7 @@ static void dapm_update_widget_flags(struct snd_soc_dapm_widget *w)
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if (w->dapm->card->fully_routed)
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break;
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w->is_source = 1;
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list_for_each_entry(p, &w->sources, list_sink) {
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snd_soc_dapm_widget_for_each_source_path(w, p) {
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if (p->source->id == snd_soc_dapm_micbias ||
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p->source->id == snd_soc_dapm_mic ||
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p->source->id == snd_soc_dapm_line ||
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@ -2441,7 +2441,7 @@ static void dapm_update_widget_flags(struct snd_soc_dapm_widget *w)
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if (w->dapm->card->fully_routed)
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break;
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w->is_sink = 1;
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list_for_each_entry(p, &w->sinks, list_source) {
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snd_soc_dapm_widget_for_each_sink_path(w, p) {
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if (p->sink->id == snd_soc_dapm_spk ||
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p->sink->id == snd_soc_dapm_hp ||
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p->sink->id == snd_soc_dapm_line ||
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@ -2841,7 +2841,7 @@ static int snd_soc_dapm_weak_route(struct snd_soc_dapm_context *dapm,
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dev_warn(dapm->dev, "ASoC: Ignoring control for weak route %s->%s\n",
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route->source, route->sink);
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list_for_each_entry(path, &source->sinks, list_source) {
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snd_soc_dapm_widget_for_each_sink_path(source, path) {
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if (path->sink == sink) {
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path->weak = 1;
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count++;
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