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Diffstat (limited to 'sound/soc/soc-dapm.c')
-rw-r--r--sound/soc/soc-dapm.c611
1 files changed, 367 insertions, 244 deletions
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 81c4052c127c..456617e63789 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -187,7 +187,7 @@ static void dapm_set_path_status(struct snd_soc_dapm_widget *w,
case snd_soc_dapm_mixer_named_ctl: {
int val;
struct soc_mixer_control *mc = (struct soc_mixer_control *)
- w->kcontrols[i].private_value;
+ w->kcontrol_news[i].private_value;
unsigned int reg = mc->reg;
unsigned int shift = mc->shift;
int max = mc->max;
@@ -204,7 +204,8 @@ static void dapm_set_path_status(struct snd_soc_dapm_widget *w,
}
break;
case snd_soc_dapm_mux: {
- struct soc_enum *e = (struct soc_enum *)w->kcontrols[i].private_value;
+ struct soc_enum *e = (struct soc_enum *)
+ w->kcontrol_news[i].private_value;
int val, item, bitmask;
for (bitmask = 1; bitmask < e->max; bitmask <<= 1)
@@ -220,7 +221,8 @@ static void dapm_set_path_status(struct snd_soc_dapm_widget *w,
}
break;
case snd_soc_dapm_virt_mux: {
- struct soc_enum *e = (struct soc_enum *)w->kcontrols[i].private_value;
+ struct soc_enum *e = (struct soc_enum *)
+ w->kcontrol_news[i].private_value;
p->connect = 0;
/* since a virtual mux has no backing registers to
@@ -235,7 +237,7 @@ static void dapm_set_path_status(struct snd_soc_dapm_widget *w,
break;
case snd_soc_dapm_value_mux: {
struct soc_enum *e = (struct soc_enum *)
- w->kcontrols[i].private_value;
+ w->kcontrol_news[i].private_value;
int val, item;
val = snd_soc_read(w->codec, e->reg);
@@ -310,11 +312,11 @@ static int dapm_connect_mixer(struct snd_soc_dapm_context *dapm,
/* search for mixer kcontrol */
for (i = 0; i < dest->num_kcontrols; i++) {
- if (!strcmp(control_name, dest->kcontrols[i].name)) {
+ if (!strcmp(control_name, dest->kcontrol_news[i].name)) {
list_add(&path->list, &dapm->card->paths);
list_add(&path->list_sink, &dest->sources);
list_add(&path->list_source, &src->sinks);
- path->name = dest->kcontrols[i].name;
+ path->name = dest->kcontrol_news[i].name;
dapm_set_path_status(dest, path, i);
return 0;
}
@@ -322,43 +324,26 @@ static int dapm_connect_mixer(struct snd_soc_dapm_context *dapm,
return -ENODEV;
}
-/* update dapm codec register bits */
-static int dapm_update_bits(struct snd_soc_dapm_widget *widget)
+static int dapm_is_shared_kcontrol(struct snd_soc_dapm_context *dapm,
+ const struct snd_kcontrol_new *kcontrol_new,
+ struct snd_kcontrol **kcontrol)
{
- int change, power;
- unsigned int old, new;
- struct snd_soc_codec *codec = widget->codec;
- struct snd_soc_dapm_context *dapm = widget->dapm;
- struct snd_soc_card *card = dapm->card;
-
- /* check for valid widgets */
- if (widget->reg < 0 || widget->id == snd_soc_dapm_input ||
- widget->id == snd_soc_dapm_output ||
- widget->id == snd_soc_dapm_hp ||
- widget->id == snd_soc_dapm_mic ||
- widget->id == snd_soc_dapm_line ||
- widget->id == snd_soc_dapm_spk)
- return 0;
-
- power = widget->power;
- if (widget->invert)
- power = (power ? 0:1);
+ struct snd_soc_dapm_widget *w;
+ int i;
- old = snd_soc_read(codec, widget->reg);
- new = (old & ~(0x1 << widget->shift)) | (power << widget->shift);
+ *kcontrol = NULL;
- change = old != new;
- if (change) {
- pop_dbg(dapm->dev, card->pop_time,
- "pop test %s : %s in %d ms\n",
- widget->name, widget->power ? "on" : "off",
- card->pop_time);
- pop_wait(card->pop_time);
- snd_soc_write(codec, widget->reg, new);
+ list_for_each_entry(w, &dapm->card->widgets, list) {
+ for (i = 0; i < w->num_kcontrols; i++) {
+ if (&w->kcontrol_news[i] == kcontrol_new) {
+ if (w->kcontrols)
+ *kcontrol = w->kcontrols[i];
+ return 1;
+ }
+ }
}
- dev_dbg(dapm->dev, "reg %x old %x new %x change %d\n", widget->reg,
- old, new, change);
- return change;
+
+ return 0;
}
/* create new dapm mixer control */
@@ -370,6 +355,8 @@ static int dapm_new_mixer(struct snd_soc_dapm_context *dapm,
struct snd_soc_dapm_path *path;
struct snd_card *card = dapm->card->snd_card;
const char *prefix;
+ struct snd_soc_dapm_widget_list *wlist;
+ size_t wlistsize;
if (dapm->codec)
prefix = dapm->codec->name_prefix;
@@ -388,23 +375,37 @@ static int dapm_new_mixer(struct snd_soc_dapm_context *dapm,
list_for_each_entry(path, &w->sources, list_sink) {
/* mixer/mux paths name must match control name */
- if (path->name != (char*)w->kcontrols[i].name)
+ if (path->name != (char *)w->kcontrol_news[i].name)
continue;
+ wlistsize = sizeof(struct snd_soc_dapm_widget_list) +
+ sizeof(struct snd_soc_dapm_widget *),
+ wlist = kzalloc(wlistsize, GFP_KERNEL);
+ if (wlist == NULL) {
+ dev_err(dapm->dev,
+ "asoc: can't allocate widget list for %s\n",
+ w->name);
+ return -ENOMEM;
+ }
+ wlist->num_widgets = 1;
+ wlist->widgets[0] = w;
+
/* add dapm control with long name.
* for dapm_mixer this is the concatenation of the
* mixer and kcontrol name.
* for dapm_mixer_named_ctl this is simply the
* kcontrol name.
*/
- name_len = strlen(w->kcontrols[i].name) + 1;
+ name_len = strlen(w->kcontrol_news[i].name) + 1;
if (w->id != snd_soc_dapm_mixer_named_ctl)
name_len += 1 + strlen(w->name);
path->long_name = kmalloc(name_len, GFP_KERNEL);
- if (path->long_name == NULL)
+ if (path->long_name == NULL) {
+ kfree(wlist);
return -ENOMEM;
+ }
switch (w->id) {
default:
@@ -416,27 +417,30 @@ static int dapm_new_mixer(struct snd_soc_dapm_context *dapm,
*/
snprintf(path->long_name, name_len, "%s %s",
w->name + prefix_len,
- w->kcontrols[i].name);
+ w->kcontrol_news[i].name);
break;
case snd_soc_dapm_mixer_named_ctl:
snprintf(path->long_name, name_len, "%s",
- w->kcontrols[i].name);
+ w->kcontrol_news[i].name);
break;
}
path->long_name[name_len - 1] = '\0';
- path->kcontrol = snd_soc_cnew(&w->kcontrols[i], w,
- path->long_name, prefix);
+ path->kcontrol = snd_soc_cnew(&w->kcontrol_news[i],
+ wlist, path->long_name,
+ prefix);
ret = snd_ctl_add(card, path->kcontrol);
if (ret < 0) {
dev_err(dapm->dev,
"asoc: failed to add dapm kcontrol %s: %d\n",
path->long_name, ret);
+ kfree(wlist);
kfree(path->long_name);
path->long_name = NULL;
return ret;
}
+ w->kcontrols[i] = path->kcontrol;
}
}
return ret;
@@ -451,42 +455,80 @@ static int dapm_new_mux(struct snd_soc_dapm_context *dapm,
struct snd_card *card = dapm->card->snd_card;
const char *prefix;
size_t prefix_len;
- int ret = 0;
-
- if (!w->num_kcontrols) {
- dev_err(dapm->dev, "asoc: mux %s has no controls\n", w->name);
+ int ret;
+ struct snd_soc_dapm_widget_list *wlist;
+ int shared, wlistentries;
+ size_t wlistsize;
+ char *name;
+
+ if (w->num_kcontrols != 1) {
+ dev_err(dapm->dev,
+ "asoc: mux %s has incorrect number of controls\n",
+ w->name);
return -EINVAL;
}
- if (dapm->codec)
- prefix = dapm->codec->name_prefix;
- else
- prefix = NULL;
+ shared = dapm_is_shared_kcontrol(dapm, &w->kcontrol_news[0],
+ &kcontrol);
+ if (kcontrol) {
+ wlist = kcontrol->private_data;
+ wlistentries = wlist->num_widgets + 1;
+ } else {
+ wlist = NULL;
+ wlistentries = 1;
+ }
+ wlistsize = sizeof(struct snd_soc_dapm_widget_list) +
+ wlistentries * sizeof(struct snd_soc_dapm_widget *),
+ wlist = krealloc(wlist, wlistsize, GFP_KERNEL);
+ if (wlist == NULL) {
+ dev_err(dapm->dev,
+ "asoc: can't allocate widget list for %s\n", w->name);
+ return -ENOMEM;
+ }
+ wlist->num_widgets = wlistentries;
+ wlist->widgets[wlistentries - 1] = w;
- if (prefix)
- prefix_len = strlen(prefix) + 1;
- else
- prefix_len = 0;
+ if (!kcontrol) {
+ if (dapm->codec)
+ prefix = dapm->codec->name_prefix;
+ else
+ prefix = NULL;
+
+ if (shared) {
+ name = w->kcontrol_news[0].name;
+ prefix_len = 0;
+ } else {
+ name = w->name;
+ if (prefix)
+ prefix_len = strlen(prefix) + 1;
+ else
+ prefix_len = 0;
+ }
- /* 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.
- */
- kcontrol = snd_soc_cnew(&w->kcontrols[0], w, w->name + prefix_len,
- prefix);
- ret = snd_ctl_add(card, kcontrol);
+ /*
+ * 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.
+ */
+ kcontrol = snd_soc_cnew(&w->kcontrol_news[0], wlist,
+ name + prefix_len, prefix);
+ ret = snd_ctl_add(card, kcontrol);
+ if (ret < 0) {
+ dev_err(dapm->dev,
+ "asoc: failed to add kcontrol %s\n", w->name);
+ kfree(wlist);
+ return ret;
+ }
+ }
- if (ret < 0)
- goto err;
+ kcontrol->private_data = wlist;
+
+ w->kcontrols[0] = kcontrol;
list_for_each_entry(path, &w->sources, list_sink)
path->kcontrol = kcontrol;
- return ret;
-
-err:
- dev_err(dapm->dev, "asoc: failed to add kcontrol %s\n", w->name);
- return ret;
+ return 0;
}
/* create new dapm volume control */
@@ -644,57 +686,6 @@ int dapm_reg_event(struct snd_soc_dapm_widget *w,
}
EXPORT_SYMBOL_GPL(dapm_reg_event);
-/* Standard power change method, used to apply power changes to most
- * widgets.
- */
-static int dapm_generic_apply_power(struct snd_soc_dapm_widget *w)
-{
- int ret;
-
- /* call any power change event handlers */
- if (w->event)
- dev_dbg(w->dapm->dev, "power %s event for %s flags %x\n",
- w->power ? "on" : "off",
- w->name, w->event_flags);
-
- /* power up pre event */
- if (w->power && w->event &&
- (w->event_flags & SND_SOC_DAPM_PRE_PMU)) {
- ret = w->event(w, NULL, SND_SOC_DAPM_PRE_PMU);
- if (ret < 0)
- return ret;
- }
-
- /* power down pre event */
- if (!w->power && w->event &&
- (w->event_flags & SND_SOC_DAPM_PRE_PMD)) {
- ret = w->event(w, NULL, SND_SOC_DAPM_PRE_PMD);
- if (ret < 0)
- return ret;
- }
-
- dapm_update_bits(w);
-
- /* power up post event */
- if (w->power && w->event &&
- (w->event_flags & SND_SOC_DAPM_POST_PMU)) {
- ret = w->event(w,
- NULL, SND_SOC_DAPM_POST_PMU);
- if (ret < 0)
- return ret;
- }
-
- /* power down post event */
- if (!w->power && w->event &&
- (w->event_flags & SND_SOC_DAPM_POST_PMD)) {
- ret = w->event(w, NULL, SND_SOC_DAPM_POST_PMD);
- if (ret < 0)
- return ret;
- }
-
- return 0;
-}
-
/* Generic check to see if a widget should be powered.
*/
static int dapm_generic_check_power(struct snd_soc_dapm_widget *w)
@@ -981,16 +972,6 @@ static void dapm_seq_run(struct snd_soc_dapm_context *dapm,
NULL, SND_SOC_DAPM_POST_PMD);
break;
- case snd_soc_dapm_input:
- case snd_soc_dapm_output:
- case snd_soc_dapm_hp:
- case snd_soc_dapm_mic:
- case snd_soc_dapm_line:
- case snd_soc_dapm_spk:
- /* No register support currently */
- ret = dapm_generic_apply_power(w);
- break;
-
default:
/* Queue it up for application */
cur_sort = sort[w->id];
@@ -1201,6 +1182,15 @@ static int dapm_power_widgets(struct snd_soc_dapm_context *dapm, int event)
}
}
+ /* Force all contexts in the card to the same bias state */
+ power = 0;
+ list_for_each_entry(d, &card->dapm_list, list)
+ if (d->dev_power)
+ power = 1;
+ list_for_each_entry(d, &card->dapm_list, list)
+ d->dev_power = power;
+
+
/* Run all the bias changes in parallel */
list_for_each_entry(d, &dapm->card->dapm_list, list)
async_schedule_domain(dapm_pre_sequence_async, d,
@@ -1304,31 +1294,104 @@ static const struct file_operations dapm_widget_power_fops = {
.llseek = default_llseek,
};
-void snd_soc_dapm_debugfs_init(struct snd_soc_dapm_context *dapm)
+static int dapm_bias_open_file(struct inode *inode, struct file *file)
+{
+ file->private_data = inode->i_private;
+ return 0;
+}
+
+static ssize_t dapm_bias_read_file(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct snd_soc_dapm_context *dapm = file->private_data;
+ char *level;
+
+ switch (dapm->bias_level) {
+ case SND_SOC_BIAS_ON:
+ level = "On\n";
+ break;
+ case SND_SOC_BIAS_PREPARE:
+ level = "Prepare\n";
+ break;
+ case SND_SOC_BIAS_STANDBY:
+ level = "Standby\n";
+ break;
+ case SND_SOC_BIAS_OFF:
+ level = "Off\n";
+ break;
+ default:
+ BUG();
+ level = "Unknown\n";
+ break;
+ }
+
+ return simple_read_from_buffer(user_buf, count, ppos, level,
+ strlen(level));
+}
+
+static const struct file_operations dapm_bias_fops = {
+ .open = dapm_bias_open_file,
+ .read = dapm_bias_read_file,
+ .llseek = default_llseek,
+};
+
+void snd_soc_dapm_debugfs_init(struct snd_soc_dapm_context *dapm,
+ struct dentry *parent)
{
- struct snd_soc_dapm_widget *w;
struct dentry *d;
- if (!dapm->debugfs_dapm)
+ dapm->debugfs_dapm = debugfs_create_dir("dapm", parent);
+
+ if (!dapm->debugfs_dapm) {
+ printk(KERN_WARNING
+ "Failed to create DAPM debugfs directory\n");
return;
+ }
- list_for_each_entry(w, &dapm->card->widgets, list) {
- if (!w->name || w->dapm != dapm)
- continue;
+ d = debugfs_create_file("bias_level", 0444,
+ dapm->debugfs_dapm, dapm,
+ &dapm_bias_fops);
+ if (!d)
+ dev_warn(dapm->dev,
+ "ASoC: Failed to create bias level debugfs file\n");
+}
- d = debugfs_create_file(w->name, 0444,
- dapm->debugfs_dapm, w,
- &dapm_widget_power_fops);
- if (!d)
- dev_warn(w->dapm->dev,
- "ASoC: Failed to create %s debugfs file\n",
- w->name);
- }
+static void dapm_debugfs_add_widget(struct snd_soc_dapm_widget *w)
+{
+ struct snd_soc_dapm_context *dapm = w->dapm;
+ struct dentry *d;
+
+ if (!dapm->debugfs_dapm || !w->name)
+ return;
+
+ d = debugfs_create_file(w->name, 0444,
+ dapm->debugfs_dapm, w,
+ &dapm_widget_power_fops);
+ if (!d)
+ dev_warn(w->dapm->dev,
+ "ASoC: Failed to create %s debugfs file\n",
+ w->name);
+}
+
+static void dapm_debugfs_cleanup(struct snd_soc_dapm_context *dapm)
+{
+ debugfs_remove_recursive(dapm->debugfs_dapm);
}
+
#else
-void snd_soc_dapm_debugfs_init(struct snd_soc_dapm_context *dapm)
+void snd_soc_dapm_debugfs_init(struct snd_soc_dapm_context *dapm,
+ struct dentry *parent)
+{
+}
+
+static inline void dapm_debugfs_add_widget(struct snd_soc_dapm_widget *w)
+{
+}
+
+static inline void dapm_debugfs_cleanup(struct snd_soc_dapm_context *dapm)
{
}
+
#endif
/* test and update the power status of a mux widget */
@@ -1496,32 +1559,49 @@ static void dapm_free_widgets(struct snd_soc_dapm_context *dapm)
kfree(p->long_name);
kfree(p);
}
+ kfree(w->kcontrols);
kfree(w->name);
kfree(w);
}
}
-static int snd_soc_dapm_set_pin(struct snd_soc_dapm_context *dapm,
- const char *pin, int status)
+static struct snd_soc_dapm_widget *dapm_find_widget(
+ struct snd_soc_dapm_context *dapm, const char *pin,
+ bool search_other_contexts)
{
struct snd_soc_dapm_widget *w;
+ struct snd_soc_dapm_widget *fallback = NULL;
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);
- w->connected = status;
- /* Allow disabling of forced pins */
- if (status == 0)
- w->force = 0;
- return 0;
+ if (w->dapm == dapm)
+ return w;
+ else
+ fallback = w;
}
}
- dev_err(dapm->dev, "dapm: unknown pin %s\n", pin);
- return -EINVAL;
+ if (search_other_contexts)
+ return fallback;
+
+ return NULL;
+}
+
+static int snd_soc_dapm_set_pin(struct snd_soc_dapm_context *dapm,
+ const char *pin, int status)
+{
+ struct snd_soc_dapm_widget *w = dapm_find_widget(dapm, pin, true);
+
+ if (!w) {
+ dev_err(dapm->dev, "dapm: unknown pin %s\n", pin);
+ return -EINVAL;
+ }
+
+ w->connected = status;
+ if (status == 0)
+ w->force = 0;
+
+ return 0;
}
/**
@@ -1627,7 +1707,7 @@ static int snd_soc_dapm_add_route(struct snd_soc_dapm_context *dapm,
}
/* connect dynamic paths */
- switch(wsink->id) {
+ switch (wsink->id) {
case snd_soc_dapm_adc:
case snd_soc_dapm_dac:
case snd_soc_dapm_pga:
@@ -1650,7 +1730,7 @@ static int snd_soc_dapm_add_route(struct snd_soc_dapm_context *dapm,
case snd_soc_dapm_virt_mux:
case snd_soc_dapm_value_mux:
ret = dapm_connect_mux(dapm, wsource, wsink, path, control,
- &wsink->kcontrols[0]);
+ &wsink->kcontrol_news[0]);
if (ret != 0)
goto err;
break;
@@ -1730,6 +1810,14 @@ int snd_soc_dapm_new_widgets(struct snd_soc_dapm_context *dapm)
if (w->new)
continue;
+ if (w->num_kcontrols) {
+ w->kcontrols = kzalloc(w->num_kcontrols *
+ sizeof(struct snd_kcontrol *),
+ GFP_KERNEL);
+ if (!w->kcontrols)
+ return -ENOMEM;
+ }
+
switch(w->id) {
case snd_soc_dapm_switch:
case snd_soc_dapm_mixer:
@@ -1785,6 +1873,8 @@ int snd_soc_dapm_new_widgets(struct snd_soc_dapm_context *dapm)
}
w->new = 1;
+
+ dapm_debugfs_add_widget(w);
}
dapm_power_widgets(dapm, SND_SOC_DAPM_STREAM_NOP);
@@ -1804,7 +1894,8 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_new_widgets);
int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol);
+ struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
+ struct snd_soc_dapm_widget *widget = wlist->widgets[0];
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
unsigned int reg = mc->reg;
@@ -1843,7 +1934,9 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_get_volsw);
int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol);
+ struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
+ struct snd_soc_dapm_widget *widget = wlist->widgets[0];
+ struct snd_soc_codec *codec = widget->codec;
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
unsigned int reg = mc->reg;
@@ -1854,6 +1947,7 @@ int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol,
unsigned int val;
int connect, change;
struct snd_soc_dapm_update update;
+ int wi;
val = (ucontrol->value.integer.value[0] & mask);
@@ -1862,31 +1956,36 @@ int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol,
mask = mask << shift;
val = val << shift;
- mutex_lock(&widget->codec->mutex);
- widget->value = val;
+ if (val)
+ /* new connection */
+ connect = invert ? 0 : 1;
+ else
+ /* old connection must be powered down */
+ connect = invert ? 1 : 0;
+
+ mutex_lock(&codec->mutex);
change = snd_soc_test_bits(widget->codec, reg, mask, val);
if (change) {
- if (val)
- /* new connection */
- connect = invert ? 0:1;
- else
- /* old connection must be powered down */
- connect = invert ? 1:0;
+ for (wi = 0; wi < wlist->num_widgets; wi++) {
+ widget = wlist->widgets[wi];
- update.kcontrol = kcontrol;
- update.widget = widget;
- update.reg = reg;
- update.mask = mask;
- update.val = val;
- widget->dapm->update = &update;
+ widget->value = val;
- dapm_mixer_update_power(widget, kcontrol, connect);
+ update.kcontrol = kcontrol;
+ update.widget = widget;
+ update.reg = reg;
+ update.mask = mask;
+ update.val = val;
+ widget->dapm->update = &update;
- widget->dapm->update = NULL;
+ dapm_mixer_update_power(widget, kcontrol, connect);
+
+ widget->dapm->update = NULL;
+ }
}
- mutex_unlock(&widget->codec->mutex);
+ mutex_unlock(&codec->mutex);
return 0;
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_put_volsw);
@@ -1903,7 +2002,8 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_put_volsw);
int snd_soc_dapm_get_enum_double(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol);
+ struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
+ struct snd_soc_dapm_widget *widget = wlist->widgets[0];
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
unsigned int val, bitmask;
@@ -1931,11 +2031,14 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_get_enum_double);
int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol);
+ struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
+ struct snd_soc_dapm_widget *widget = wlist->widgets[0];
+ struct snd_soc_codec *codec = widget->codec;
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
unsigned int val, mux, change;
unsigned int mask, bitmask;
struct snd_soc_dapm_update update;
+ int wi;
for (bitmask = 1; bitmask < e->max; bitmask <<= 1)
;
@@ -1951,22 +2054,29 @@ int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
mask |= (bitmask - 1) << e->shift_r;
}
- mutex_lock(&widget->codec->mutex);
- widget->value = val;
+ mutex_lock(&codec->mutex);
+
change = snd_soc_test_bits(widget->codec, e->reg, mask, val);
+ if (change) {
+ for (wi = 0; wi < wlist->num_widgets; wi++) {
+ widget = wlist->widgets[wi];
- update.kcontrol = kcontrol;
- update.widget = widget;
- update.reg = e->reg;
- update.mask = mask;
- update.val = val;
- widget->dapm->update = &update;
+ widget->value = val;
- dapm_mux_update_power(widget, kcontrol, change, mux, e);
+ update.kcontrol = kcontrol;
+ update.widget = widget;
+ update.reg = e->reg;
+ update.mask = mask;
+ update.val = val;
+ widget->dapm->update = &update;
- widget->dapm->update = NULL;
+ dapm_mux_update_power(widget, kcontrol, change, mux, e);
- mutex_unlock(&widget->codec->mutex);
+ widget->dapm->update = NULL;
+ }
+ }
+
+ mutex_unlock(&codec->mutex);
return change;
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_put_enum_double);
@@ -1981,7 +2091,8 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_put_enum_double);
int snd_soc_dapm_get_enum_virt(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol);
+ struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
+ struct snd_soc_dapm_widget *widget = wlist->widgets[0];
ucontrol->value.enumerated.item[0] = widget->value;
@@ -1999,22 +2110,33 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_get_enum_virt);
int snd_soc_dapm_put_enum_virt(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol);
+ struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
+ struct snd_soc_dapm_widget *widget = wlist->widgets[0];
+ struct snd_soc_codec *codec = widget->codec;
struct soc_enum *e =
(struct soc_enum *)kcontrol->private_value;
int change;
int ret = 0;
+ int wi;
if (ucontrol->value.enumerated.item[0] >= e->max)
return -EINVAL;
- mutex_lock(&widget->codec->mutex);
+ mutex_lock(&codec->mutex);
change = widget->value != ucontrol->value.enumerated.item[0];
- widget->value = ucontrol->value.enumerated.item[0];
- dapm_mux_update_power(widget, kcontrol, change, widget->value, e);
+ if (change) {
+ for (wi = 0; wi < wlist->num_widgets; wi++) {
+ widget = wlist->widgets[wi];
- mutex_unlock(&widget->codec->mutex);
+ widget->value = ucontrol->value.enumerated.item[0];
+
+ dapm_mux_update_power(widget, kcontrol, change,
+ widget->value, e);
+ }
+ }
+
+ mutex_unlock(&codec->mutex);
return ret;
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_put_enum_virt);
@@ -2035,7 +2157,8 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_put_enum_virt);
int snd_soc_dapm_get_value_enum_double(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol);
+ struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
+ struct snd_soc_dapm_widget *widget = wlist->widgets[0];
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
unsigned int reg_val, val, mux;
@@ -2075,11 +2198,14 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_get_value_enum_double);
int snd_soc_dapm_put_value_enum_double(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol);
+ struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
+ struct snd_soc_dapm_widget *widget = wlist->widgets[0];
+ struct snd_soc_codec *codec = widget->codec;
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
unsigned int val, mux, change;
unsigned int mask;
struct snd_soc_dapm_update update;
+ int wi;
if (ucontrol->value.enumerated.item[0] > e->max - 1)
return -EINVAL;
@@ -2093,22 +2219,29 @@ int snd_soc_dapm_put_value_enum_double(struct snd_kcontrol *kcontrol,
mask |= e->mask << e->shift_r;
}
- mutex_lock(&widget->codec->mutex);
- widget->value = val;
+ mutex_lock(&codec->mutex);
+
change = snd_soc_test_bits(widget->codec, e->reg, mask, val);
+ if (change) {
+ for (wi = 0; wi < wlist->num_widgets; wi++) {
+ widget = wlist->widgets[wi];
- update.kcontrol = kcontrol;
- update.widget = widget;
- update.reg = e->reg;
- update.mask = mask;
- update.val = val;
- widget->dapm->update = &update;
+ widget->value = val;
- dapm_mux_update_power(widget, kcontrol, change, mux, e);
+ update.kcontrol = kcontrol;
+ update.widget = widget;
+ update.reg = e->reg;
+ update.mask = mask;
+ update.val = val;
+ widget->dapm->update = &update;
- widget->dapm->update = NULL;
+ dapm_mux_update_power(widget, kcontrol, change, mux, e);
+
+ widget->dapm->update = NULL;
+ }
+ }
- mutex_unlock(&widget->codec->mutex);
+ mutex_unlock(&codec->mutex);
return change;
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_put_value_enum_double);
@@ -2346,22 +2479,18 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_enable_pin);
int snd_soc_dapm_force_enable_pin(struct snd_soc_dapm_context *dapm,
const char *pin)
{
- struct snd_soc_dapm_widget *w;
+ struct snd_soc_dapm_widget *w = dapm_find_widget(dapm, pin, true);
- 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);
- w->connected = 1;
- w->force = 1;
- return 0;
- }
+ if (!w) {
+ dev_err(dapm->dev, "dapm: unknown pin %s\n", pin);
+ return -EINVAL;
}
- dev_err(dapm->dev, "dapm: unknown pin %s\n", pin);
- return -EINVAL;
+ dev_dbg(w->dapm->dev, "dapm: force enable pin %s\n", pin);
+ w->connected = 1;
+ w->force = 1;
+
+ return 0;
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_force_enable_pin);
@@ -2413,14 +2542,10 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_nc_pin);
int snd_soc_dapm_get_pin_status(struct snd_soc_dapm_context *dapm,
const char *pin)
{
- struct snd_soc_dapm_widget *w;
+ struct snd_soc_dapm_widget *w = dapm_find_widget(dapm, pin, true);
- list_for_each_entry(w, &dapm->card->widgets, list) {
- if (w->dapm != dapm)
- continue;
- if (!strcmp(w->name, pin))
- return w->connected;
- }
+ if (w)
+ return w->connected;
return 0;
}
@@ -2440,19 +2565,16 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_get_pin_status);
int snd_soc_dapm_ignore_suspend(struct snd_soc_dapm_context *dapm,
const char *pin)
{
- struct snd_soc_dapm_widget *w;
+ struct snd_soc_dapm_widget *w = dapm_find_widget(dapm, pin, false);
- 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;
- }
+ if (!w) {
+ dev_err(dapm->dev, "dapm: unknown pin %s\n", pin);
+ return -EINVAL;
}
- dev_err(dapm->dev, "dapm: unknown pin %s\n", pin);
- return -EINVAL;
+ w->ignore_suspend = 1;
+
+ return 0;
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_ignore_suspend);
@@ -2465,6 +2587,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_ignore_suspend);
void snd_soc_dapm_free(struct snd_soc_dapm_context *dapm)
{
snd_soc_dapm_sys_remove(dapm->dev);
+ dapm_debugfs_cleanup(dapm);
dapm_free_widgets(dapm);
list_del(&dapm->list);
}