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Diffstat (limited to 'sound/soc/soc-dapm.c')
-rw-r--r--sound/soc/soc-dapm.c69
1 files changed, 49 insertions, 20 deletions
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 5d9ec4a3a9f..8731e89646a 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -940,7 +940,9 @@ static int dapm_power_widgets(struct snd_soc_dapm_context *dapm, int event)
/* Check which widgets we need to power and store them in
* lists indicating if they should be powered up or down.
*/
- list_for_each_entry(w, &dapm->widgets, list) {
+ list_for_each_entry(w, &card->widgets, list) {
+ if (w->dapm != dapm)
+ continue;
switch (w->id) {
case snd_soc_dapm_pre:
dapm_seq_insert(w, &down_list, dapm_down_seq);
@@ -978,7 +980,7 @@ static int dapm_power_widgets(struct snd_soc_dapm_context *dapm, int event)
/* If there are no DAPM widgets then try to figure out power from the
* event type.
*/
- if (list_empty(&dapm->widgets)) {
+ if (!dapm->n_widgets) {
switch (event) {
case SND_SOC_DAPM_STREAM_START:
case SND_SOC_DAPM_STREAM_RESUME:
@@ -1145,8 +1147,8 @@ void snd_soc_dapm_debugfs_init(struct snd_soc_dapm_context *dapm)
if (!dapm->debugfs_dapm)
return;
- list_for_each_entry(w, &dapm->widgets, list) {
- if (!w->name)
+ list_for_each_entry(w, &dapm->card->widgets, list) {
+ if (!w->name || w->dapm != dapm)
continue;
d = debugfs_create_file(w->name, 0444,
@@ -1241,7 +1243,9 @@ static ssize_t dapm_widget_show(struct device *dev,
int count = 0;
char *state = "not set";
- list_for_each_entry(w, &codec->dapm.widgets, list) {
+ list_for_each_entry(w, &codec->card->widgets, list) {
+ if (w->dapm != &codec->dapm)
+ continue;
/* only display widgets that burnm power */
switch (w->id) {
@@ -1303,7 +1307,9 @@ static void dapm_free_widgets(struct snd_soc_dapm_context *dapm)
struct snd_soc_dapm_widget *w, *next_w;
struct snd_soc_dapm_path *p, *next_p;
- list_for_each_entry_safe(w, next_w, &dapm->widgets, list) {
+ list_for_each_entry_safe(w, next_w, &dapm->card->widgets, list) {
+ if (w->dapm != dapm)
+ continue;
list_del(&w->list);
/*
* remove source and sink paths associated to this widget.
@@ -1334,7 +1340,9 @@ static int snd_soc_dapm_set_pin(struct snd_soc_dapm_context *dapm,
{
struct snd_soc_dapm_widget *w;
- list_for_each_entry(w, &dapm->widgets, list) {
+ list_for_each_entry(w, &dapm->card->widgets, list) {
+ if (w->dapm != dapm)
+ continue;
if (!strcmp(w->name, pin)) {
dev_dbg(w->dapm->dev, "dapm: pin %s = %d\n",
pin, status);
@@ -1370,6 +1378,7 @@ static int snd_soc_dapm_add_route(struct snd_soc_dapm_context *dapm,
{
struct snd_soc_dapm_path *path;
struct snd_soc_dapm_widget *wsource = NULL, *wsink = NULL, *w;
+ struct snd_soc_dapm_widget *wtsource = NULL, *wtsink = NULL;
const char *sink;
const char *control = route->control;
const char *source;
@@ -1389,17 +1398,28 @@ static int snd_soc_dapm_add_route(struct snd_soc_dapm_context *dapm,
source = route->source;
}
- /* find src and dest widgets */
- list_for_each_entry(w, &dapm->widgets, list) {
-
+ /*
+ * find src and dest widgets over all widgets but favor a widget from
+ * current DAPM context
+ */
+ list_for_each_entry(w, &dapm->card->widgets, list) {
if (!wsink && !(strcmp(w->name, sink))) {
- wsink = w;
+ wtsink = w;
+ if (w->dapm == dapm)
+ wsink = w;
continue;
}
if (!wsource && !(strcmp(w->name, source))) {
- wsource = w;
+ wtsource = w;
+ if (w->dapm == dapm)
+ wsource = w;
}
}
+ /* use widget from another DAPM context if not found from this */
+ if (!wsink)
+ wsink = wtsink;
+ if (!wsource)
+ wsource = wtsource;
if (wsource == NULL || wsink == NULL)
return -ENODEV;
@@ -1537,7 +1557,7 @@ int snd_soc_dapm_new_widgets(struct snd_soc_dapm_context *dapm)
{
struct snd_soc_dapm_widget *w;
- list_for_each_entry(w, &dapm->widgets, list)
+ list_for_each_entry(w, &dapm->card->widgets, list)
{
if (w->new)
continue;
@@ -2037,12 +2057,13 @@ int snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm,
else
snprintf(w->name, name_len, "%s", widget->name);
+ dapm->n_widgets++;
w->dapm = dapm;
w->codec = dapm->codec;
INIT_LIST_HEAD(&w->sources);
INIT_LIST_HEAD(&w->sinks);
INIT_LIST_HEAD(&w->list);
- list_add(&w->list, &dapm->widgets);
+ list_add(&w->list, &dapm->card->widgets);
/* machine layer set ups unconnected pins and insertions */
w->connected = 1;
@@ -2085,9 +2106,9 @@ static void soc_dapm_stream_event(struct snd_soc_dapm_context *dapm,
{
struct snd_soc_dapm_widget *w;
- list_for_each_entry(w, &dapm->widgets, list)
+ list_for_each_entry(w, &dapm->card->widgets, list)
{
- if (!w->sname)
+ if (!w->sname || w->dapm != dapm)
continue;
dev_dbg(w->dapm->dev, "widget %s\n %s stream %s event %d\n",
w->name, w->sname, stream, event);
@@ -2170,7 +2191,9 @@ int snd_soc_dapm_force_enable_pin(struct snd_soc_dapm_context *dapm,
{
struct snd_soc_dapm_widget *w;
- list_for_each_entry(w, &dapm->widgets, list) {
+ list_for_each_entry(w, &dapm->card->widgets, list) {
+ if (w->dapm != dapm)
+ continue;
if (!strcmp(w->name, pin)) {
dev_dbg(w->dapm->dev,
"dapm: force enable pin %s\n", pin);
@@ -2235,7 +2258,9 @@ int snd_soc_dapm_get_pin_status(struct snd_soc_dapm_context *dapm,
{
struct snd_soc_dapm_widget *w;
- list_for_each_entry(w, &dapm->widgets, list) {
+ list_for_each_entry(w, &dapm->card->widgets, list) {
+ if (w->dapm != dapm)
+ continue;
if (!strcmp(w->name, pin))
return w->connected;
}
@@ -2260,7 +2285,9 @@ int snd_soc_dapm_ignore_suspend(struct snd_soc_dapm_context *dapm,
{
struct snd_soc_dapm_widget *w;
- list_for_each_entry(w, &dapm->widgets, list) {
+ list_for_each_entry(w, &dapm->card->widgets, list) {
+ if (w->dapm != dapm)
+ continue;
if (!strcmp(w->name, pin)) {
w->ignore_suspend = 1;
return 0;
@@ -2291,7 +2318,9 @@ static void soc_dapm_shutdown_codec(struct snd_soc_dapm_context *dapm)
LIST_HEAD(down_list);
int powerdown = 0;
- list_for_each_entry(w, &dapm->widgets, list) {
+ list_for_each_entry(w, &dapm->card->widgets, list) {
+ if (w->dapm != dapm)
+ continue;
if (w->power) {
dapm_seq_insert(w, &down_list, dapm_down_seq);
w->power = 0;
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-28 16:17:05 +0000