const struct snd_soc_dapm_route *route, int num);
int snd_soc_dapm_del_routes(struct snd_soc_dapm_context *dapm,
const struct snd_soc_dapm_route *route, int num);
-int snd_soc_dapm_weak_routes(struct snd_soc_dapm_context *dapm,
- const struct snd_soc_dapm_route *route, int num);
void snd_soc_dapm_free_widget(struct snd_soc_dapm_widget *w);
/* dapm events */
/* status */
u32 connect:1; /* source and sink widgets are connected */
u32 walking:1; /* path is in the process of being walked */
- u32 weak:1; /* path ignored for power management */
u32 is_supply:1; /* At least one of the connected widgets is a supply */
int (*connected)(struct snd_soc_dapm_widget *source,
list_for_each_entry(w, &list, work_list) {
snd_soc_dapm_widget_for_each_path(w, dir, p) {
- if (p->is_supply || p->weak || !p->connect)
+ if (p->is_supply || !p->connect)
continue;
node = p->node[rdir];
if (node->endpoints[dir] != -1) {
* Weak paths or supply paths do not influence the number of input or
* output paths of their neighbors.
*/
- if (p->weak || p->is_supply)
+ if (p->is_supply)
return;
/*
widget->endpoints[dir] = -1;
snd_soc_dapm_widget_for_each_path(widget, rdir, path) {
- if (path->weak || path->is_supply)
+ if (path->is_supply)
continue;
if (path->walking)
snd_soc_dapm_widget_for_each_path(widget, rdir, path) {
DAPM_UPDATE_STAT(widget, neighbour_checks);
- if (path->weak || path->is_supply)
+ if (path->is_supply)
continue;
if (path->walking)
snd_soc_dapm_widget_for_each_sink_path(w, path) {
DAPM_UPDATE_STAT(w, neighbour_checks);
- if (path->weak)
- continue;
-
if (path->connected &&
!path->connected(path->source, path->sink))
continue;
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_del_routes);
-static int snd_soc_dapm_weak_route(struct snd_soc_dapm_context *dapm,
- const struct snd_soc_dapm_route *route)
-{
- struct snd_soc_dapm_widget *source = dapm_find_widget(dapm,
- route->source,
- true);
- struct snd_soc_dapm_widget *sink = dapm_find_widget(dapm,
- route->sink,
- true);
- struct snd_soc_dapm_path *path;
- int count = 0;
-
- if (!source) {
- dev_err(dapm->dev, "ASoC: Unable to find source %s for weak route\n",
- route->source);
- return -ENODEV;
- }
-
- if (!sink) {
- dev_err(dapm->dev, "ASoC: Unable to find sink %s for weak route\n",
- route->sink);
- return -ENODEV;
- }
-
- if (route->control || route->connected)
- dev_warn(dapm->dev, "ASoC: Ignoring control for weak route %s->%s\n",
- route->source, route->sink);
-
- snd_soc_dapm_widget_for_each_sink_path(source, path) {
- if (path->sink == sink) {
- path->weak = 1;
- count++;
- }
- }
-
- if (count == 0)
- dev_err(dapm->dev, "ASoC: No path found for weak route %s->%s\n",
- route->source, route->sink);
- if (count > 1)
- dev_warn(dapm->dev, "ASoC: %d paths found for weak route %s->%s\n",
- count, route->source, route->sink);
-
- return 0;
-}
-
-/**
- * snd_soc_dapm_weak_routes - Mark routes between DAPM widgets as weak
- * @dapm: DAPM context
- * @route: audio routes
- * @num: number of routes
- *
- * Mark existing routes matching those specified in the passed array
- * as being weak, meaning that they are ignored for the purpose of
- * power decisions. The main intended use case is for sidetone paths
- * which couple audio between other independent paths if they are both
- * active in order to make the combination work better at the user
- * level but which aren't intended to be "used".
- *
- * Note that CODEC drivers should not use this as sidetone type paths
- * can frequently also be used as bypass paths.
- */
-int snd_soc_dapm_weak_routes(struct snd_soc_dapm_context *dapm,
- const struct snd_soc_dapm_route *route, int num)
-{
- int i;
- int ret = 0;
-
- snd_soc_dapm_mutex_lock_root(dapm);
- for (i = 0; i < num; i++) {
- int err = snd_soc_dapm_weak_route(dapm, route);
- if (err)
- ret = err;
- route++;
- }
- snd_soc_dapm_mutex_unlock(dapm);
-
- return ret;
-}
-EXPORT_SYMBOL_GPL(snd_soc_dapm_weak_routes);
-
/**
* snd_soc_dapm_new_widgets - add new dapm widgets
* @card: card to be checked for new dapm widgets