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Diffstat (limited to 'sound/soc/soc-dapm.c')
-rw-r--r--sound/soc/soc-dapm.c150
1 files changed, 90 insertions, 60 deletions
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 9d4748e2b67a..a10b21cfc31e 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -2884,7 +2884,7 @@ int snd_soc_dapm_add_routes(struct snd_soc_dapm_context *dapm,
{
int i, r, ret = 0;
- mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_INIT);
+ mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
for (i = 0; i < num; i++) {
r = snd_soc_dapm_add_route(dapm, route);
if (r < 0) {
@@ -2915,7 +2915,7 @@ int snd_soc_dapm_del_routes(struct snd_soc_dapm_context *dapm,
{
int i;
- mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_INIT);
+ mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
for (i = 0; i < num; i++) {
snd_soc_dapm_del_route(dapm, route);
route++;
@@ -3778,18 +3778,27 @@ static int snd_soc_dapm_dai_link_put(struct snd_kcontrol *kcontrol,
return 0;
}
-int snd_soc_dapm_new_pcm(struct snd_soc_card *card,
- const struct snd_soc_pcm_stream *params,
- unsigned int num_params,
- struct snd_soc_dapm_widget *source,
- struct snd_soc_dapm_widget *sink)
+static void
+snd_soc_dapm_free_kcontrol(struct snd_soc_card *card,
+ unsigned long *private_value,
+ int num_params,
+ const char **w_param_text)
+{
+ int count;
+
+ devm_kfree(card->dev, (void *)*private_value);
+ for (count = 0 ; count < num_params; count++)
+ devm_kfree(card->dev, (void *)w_param_text[count]);
+ devm_kfree(card->dev, w_param_text);
+}
+
+static struct snd_kcontrol_new *
+snd_soc_dapm_alloc_kcontrol(struct snd_soc_card *card,
+ char *link_name,
+ const struct snd_soc_pcm_stream *params,
+ int num_params, const char **w_param_text,
+ unsigned long *private_value)
{
- struct snd_soc_dapm_widget template;
- struct snd_soc_dapm_widget *w;
- char *link_name;
- int ret, count;
- unsigned long private_value;
- const char **w_param_text;
struct soc_enum w_param_enum[] = {
SOC_ENUM_SINGLE(0, 0, 0, NULL),
};
@@ -3798,19 +3807,9 @@ int snd_soc_dapm_new_pcm(struct snd_soc_card *card,
snd_soc_dapm_dai_link_get,
snd_soc_dapm_dai_link_put),
};
+ struct snd_kcontrol_new *kcontrol_news;
const struct snd_soc_pcm_stream *config = params;
-
- w_param_text = devm_kcalloc(card->dev, num_params,
- sizeof(char *), GFP_KERNEL);
- if (!w_param_text)
- return -ENOMEM;
-
- link_name = devm_kasprintf(card->dev, GFP_KERNEL, "%s-%s",
- source->name, sink->name);
- if (!link_name) {
- ret = -ENOMEM;
- goto outfree_w_param;
- }
+ int count;
for (count = 0 ; count < num_params; count++) {
if (!config->stream_name) {
@@ -3821,57 +3820,94 @@ int snd_soc_dapm_new_pcm(struct snd_soc_card *card,
devm_kasprintf(card->dev, GFP_KERNEL,
"Anonymous Configuration %d",
count);
- if (!w_param_text[count]) {
- ret = -ENOMEM;
- goto outfree_link_name;
- }
} else {
w_param_text[count] = devm_kmemdup(card->dev,
config->stream_name,
strlen(config->stream_name) + 1,
GFP_KERNEL);
- if (!w_param_text[count]) {
- ret = -ENOMEM;
- goto outfree_link_name;
- }
}
+ if (!w_param_text[count])
+ goto outfree_w_param;
config++;
}
+
w_param_enum[0].items = num_params;
w_param_enum[0].texts = w_param_text;
- 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;
- template.num_kcontrols = 1;
- /* duplicate w_param_enum on heap so that memory persists */
- private_value =
+ *private_value =
(unsigned long) devm_kmemdup(card->dev,
(void *)(kcontrol_dai_link[0].private_value),
sizeof(struct soc_enum), GFP_KERNEL);
- if (!private_value) {
+ if (!*private_value) {
dev_err(card->dev, "ASoC: Failed to create control for %s widget\n",
link_name);
- ret = -ENOMEM;
- goto outfree_link_name;
+ goto outfree_w_param;
}
- kcontrol_dai_link[0].private_value = private_value;
+ kcontrol_dai_link[0].private_value = *private_value;
/* duplicate kcontrol_dai_link on heap so that memory persists */
- template.kcontrol_news =
- devm_kmemdup(card->dev, &kcontrol_dai_link[0],
+ kcontrol_news = devm_kmemdup(card->dev, &kcontrol_dai_link[0],
sizeof(struct snd_kcontrol_new),
GFP_KERNEL);
- if (!template.kcontrol_news) {
+ if (!kcontrol_news) {
dev_err(card->dev, "ASoC: Failed to create control for %s widget\n",
link_name);
- ret = -ENOMEM;
- goto outfree_private_value;
+ goto outfree_w_param;
}
+ return kcontrol_news;
+
+outfree_w_param:
+ snd_soc_dapm_free_kcontrol(card, private_value, num_params, w_param_text);
+ return NULL;
+}
+
+int snd_soc_dapm_new_pcm(struct snd_soc_card *card,
+ const struct snd_soc_pcm_stream *params,
+ unsigned int num_params,
+ struct snd_soc_dapm_widget *source,
+ struct snd_soc_dapm_widget *sink)
+{
+ struct snd_soc_dapm_widget template;
+ struct snd_soc_dapm_widget *w;
+ const char **w_param_text;
+ unsigned long private_value;
+ char *link_name;
+ int ret;
+
+ link_name = devm_kasprintf(card->dev, GFP_KERNEL, "%s-%s",
+ source->name, sink->name);
+ if (!link_name)
+ return -ENOMEM;
+
+ 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;
+ template.kcontrol_news = NULL;
+
+ /* allocate memory for control, only in case of multiple configs */
+ if (num_params > 1) {
+ w_param_text = devm_kcalloc(card->dev, num_params,
+ sizeof(char *), GFP_KERNEL);
+ if (!w_param_text) {
+ ret = -ENOMEM;
+ goto param_fail;
+ }
+ template.num_kcontrols = 1;
+ template.kcontrol_news =
+ snd_soc_dapm_alloc_kcontrol(card,
+ link_name, params, num_params,
+ w_param_text, &private_value);
+ if (!template.kcontrol_news) {
+ ret = -ENOMEM;
+ goto param_fail;
+ }
+ } else {
+ w_param_text = NULL;
+ }
dev_dbg(card->dev, "ASoC: adding %s widget\n", link_name);
w = snd_soc_dapm_new_control_unlocked(&card->dapm, &template);
@@ -3903,15 +3939,9 @@ outfree_w:
devm_kfree(card->dev, w);
outfree_kcontrol_news:
devm_kfree(card->dev, (void *)template.kcontrol_news);
-outfree_private_value:
- devm_kfree(card->dev, (void *)private_value);
-outfree_link_name:
+ snd_soc_dapm_free_kcontrol(card, &private_value, num_params, w_param_text);
+param_fail:
devm_kfree(card->dev, link_name);
-outfree_w_param:
- for (count = 0 ; count < num_params; count++)
- devm_kfree(card->dev, (void *)w_param_text[count]);
- devm_kfree(card->dev, w_param_text);
-
return ret;
}
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-12-11 18:24:34 +0000