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Diffstat (limited to 'sound/soc/soc-dapm.c')
-rw-r--r--sound/soc/soc-dapm.c110
1 files changed, 58 insertions, 52 deletions
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index c7051c457b75..b94190820e8c 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -64,6 +64,7 @@ static int dapm_up_seq[] = {
[snd_soc_dapm_virt_mux] = 5,
[snd_soc_dapm_value_mux] = 5,
[snd_soc_dapm_dac] = 6,
+ [snd_soc_dapm_switch] = 7,
[snd_soc_dapm_mixer] = 7,
[snd_soc_dapm_mixer_named_ctl] = 7,
[snd_soc_dapm_pga] = 8,
@@ -83,6 +84,7 @@ static int dapm_down_seq[] = {
[snd_soc_dapm_line] = 2,
[snd_soc_dapm_out_drv] = 2,
[snd_soc_dapm_pga] = 4,
+ [snd_soc_dapm_switch] = 5,
[snd_soc_dapm_mixer_named_ctl] = 5,
[snd_soc_dapm_mixer] = 5,
[snd_soc_dapm_dac] = 6,
@@ -365,11 +367,10 @@ static void dapm_set_path_status(struct snd_soc_dapm_widget *w,
val = soc_widget_read(w, e->reg);
item = (val >> e->shift_l) & e->mask;
- p->connect = 0;
- for (i = 0; i < e->max; i++) {
- if (!(strcmp(p->name, e->texts[i])) && item == i)
- p->connect = 1;
- }
+ if (item < e->max && !strcmp(p->name, e->texts[item]))
+ p->connect = 1;
+ else
+ p->connect = 0;
}
break;
case snd_soc_dapm_virt_mux: {
@@ -399,11 +400,10 @@ static void dapm_set_path_status(struct snd_soc_dapm_widget *w,
break;
}
- p->connect = 0;
- for (i = 0; i < e->max; i++) {
- if (!(strcmp(p->name, e->texts[i])) && item == i)
- p->connect = 1;
- }
+ if (item < e->max && !strcmp(p->name, e->texts[item]))
+ p->connect = 1;
+ else
+ p->connect = 0;
}
break;
/* does not affect routing - always connected */
@@ -507,6 +507,11 @@ static int dapm_is_shared_kcontrol(struct snd_soc_dapm_context *dapm,
return 0;
}
+static void dapm_kcontrol_free(struct snd_kcontrol *kctl)
+{
+ kfree(kctl->private_data);
+}
+
/*
* Determine if a kcontrol is shared. If it is, look it up. If it isn't,
* create it. Either way, add the widget into the control's widget list
@@ -524,7 +529,6 @@ static int dapm_create_or_share_mixmux_kcontrol(struct snd_soc_dapm_widget *w,
int wlistentries;
size_t wlistsize;
bool wname_in_long_name, kcname_in_long_name;
- size_t name_len;
char *long_name;
const char *name;
int ret;
@@ -589,25 +593,19 @@ static int dapm_create_or_share_mixmux_kcontrol(struct snd_soc_dapm_widget *w,
}
if (wname_in_long_name && kcname_in_long_name) {
- name_len = strlen(w->name) - prefix_len + 1 +
- strlen(w->kcontrol_news[kci].name) + 1;
-
- long_name = kmalloc(name_len, GFP_KERNEL);
- if (long_name == NULL) {
- kfree(wlist);
- return -ENOMEM;
- }
-
/*
* The control will get a prefix from the control
* creation process but we're also using the same
* prefix for widgets so cut the prefix off the
* front of the widget name.
*/
- snprintf(long_name, name_len, "%s %s",
+ long_name = kasprintf(GFP_KERNEL, "%s %s",
w->name + prefix_len,
w->kcontrol_news[kci].name);
- long_name[name_len - 1] = '\0';
+ if (long_name == NULL) {
+ kfree(wlist);
+ return -ENOMEM;
+ }
name = long_name;
} else if (wname_in_long_name) {
@@ -620,17 +618,16 @@ static int dapm_create_or_share_mixmux_kcontrol(struct snd_soc_dapm_widget *w,
kcontrol = snd_soc_cnew(&w->kcontrol_news[kci], wlist, name,
prefix);
+ kcontrol->private_free = dapm_kcontrol_free;
+ kfree(long_name);
ret = snd_ctl_add(card, kcontrol);
if (ret < 0) {
dev_err(dapm->dev,
"ASoC: failed to add widget %s dapm kcontrol %s: %d\n",
w->name, name, ret);
kfree(wlist);
- kfree(long_name);
return ret;
}
-
- path->long_name = long_name;
}
kcontrol->private_data = wlist;
@@ -1270,6 +1267,14 @@ static void dapm_seq_check_event(struct snd_soc_dapm_context *dapm,
ev_name = "POST_PMD";
power = 0;
break;
+ case SND_SOC_DAPM_WILL_PMU:
+ ev_name = "WILL_PMU";
+ power = 1;
+ break;
+ case SND_SOC_DAPM_WILL_PMD:
+ ev_name = "WILL_PMD";
+ power = 0;
+ break;
default:
BUG();
return;
@@ -1730,6 +1735,14 @@ static int dapm_power_widgets(struct snd_soc_dapm_context *dapm, int event)
&async_domain);
async_synchronize_full_domain(&async_domain);
+ list_for_each_entry(w, &down_list, power_list) {
+ dapm_seq_check_event(dapm, w, SND_SOC_DAPM_WILL_PMD);
+ }
+
+ list_for_each_entry(w, &up_list, power_list) {
+ dapm_seq_check_event(dapm, w, SND_SOC_DAPM_WILL_PMU);
+ }
+
/* Power down widgets first; try to avoid amplifying pops. */
dapm_seq_run(dapm, &down_list, event, false);
@@ -2094,6 +2107,14 @@ static void snd_soc_dapm_sys_remove(struct device *dev)
device_remove_file(dev, &dev_attr_dapm_widget);
}
+static void dapm_free_path(struct snd_soc_dapm_path *path)
+{
+ list_del(&path->list_sink);
+ list_del(&path->list_source);
+ list_del(&path->list);
+ kfree(path);
+}
+
/* free all dapm widgets and resources */
static void dapm_free_widgets(struct snd_soc_dapm_context *dapm)
{
@@ -2109,20 +2130,12 @@ static void dapm_free_widgets(struct snd_soc_dapm_context *dapm)
* While removing the path, remove reference to it from both
* source and sink widgets so that path is removed only once.
*/
- list_for_each_entry_safe(p, next_p, &w->sources, list_sink) {
- list_del(&p->list_sink);
- list_del(&p->list_source);
- list_del(&p->list);
- kfree(p->long_name);
- kfree(p);
- }
- list_for_each_entry_safe(p, next_p, &w->sinks, list_source) {
- list_del(&p->list_sink);
- list_del(&p->list_source);
- list_del(&p->list);
- kfree(p->long_name);
- kfree(p);
- }
+ list_for_each_entry_safe(p, next_p, &w->sources, list_sink)
+ dapm_free_path(p);
+
+ list_for_each_entry_safe(p, next_p, &w->sinks, list_source)
+ dapm_free_path(p);
+
kfree(w->kcontrols);
kfree(w->name);
kfree(w);
@@ -2398,10 +2411,7 @@ static int snd_soc_dapm_del_route(struct snd_soc_dapm_context *dapm,
dapm_mark_dirty(path->source, "Route removed");
dapm_mark_dirty(path->sink, "Route removed");
- list_del(&path->list);
- list_del(&path->list_sink);
- list_del(&path->list_source);
- kfree(path);
+ dapm_free_path(path);
} else {
dev_warn(dapm->dev, "ASoC: Route %s->%s does not exist\n",
source, sink);
@@ -3055,7 +3065,6 @@ snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm,
const struct snd_soc_dapm_widget *widget)
{
struct snd_soc_dapm_widget *w;
- size_t name_len;
int ret;
if ((w = dapm_cnew_widget(widget)) == NULL)
@@ -3096,19 +3105,16 @@ snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm,
break;
}
- name_len = strlen(widget->name) + 1;
if (dapm->codec && dapm->codec->name_prefix)
- name_len += 1 + strlen(dapm->codec->name_prefix);
- w->name = kmalloc(name_len, GFP_KERNEL);
+ w->name = kasprintf(GFP_KERNEL, "%s %s",
+ dapm->codec->name_prefix, widget->name);
+ else
+ w->name = kasprintf(GFP_KERNEL, "%s", widget->name);
+
if (w->name == NULL) {
kfree(w);
return NULL;
}
- if (dapm->codec && dapm->codec->name_prefix)
- snprintf((char *)w->name, name_len, "%s %s",
- dapm->codec->name_prefix, widget->name);
- else
- snprintf((char *)w->name, name_len, "%s", widget->name);
switch (w->id) {
case snd_soc_dapm_switch:
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-17 01:31:46 +0000