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Diffstat (limited to 'sound/soc/soc-dapm.c')
-rw-r--r--sound/soc/soc-dapm.c885
1 files changed, 545 insertions, 340 deletions
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index c721502833b..25e54230cc6 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -42,9 +42,11 @@
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
-#include <sound/soc-dapm.h>
+#include <sound/soc.h>
#include <sound/initval.h>
+#include <trace/events/asoc.h>
+
/* dapm power sequences - make this per codec in the future */
static int dapm_up_seq[] = {
[snd_soc_dapm_pre] = 0,
@@ -54,12 +56,14 @@ static int dapm_up_seq[] = {
[snd_soc_dapm_aif_out] = 3,
[snd_soc_dapm_mic] = 4,
[snd_soc_dapm_mux] = 5,
+ [snd_soc_dapm_virt_mux] = 5,
[snd_soc_dapm_value_mux] = 5,
[snd_soc_dapm_dac] = 6,
[snd_soc_dapm_mixer] = 7,
[snd_soc_dapm_mixer_named_ctl] = 7,
[snd_soc_dapm_pga] = 8,
[snd_soc_dapm_adc] = 9,
+ [snd_soc_dapm_out_drv] = 10,
[snd_soc_dapm_hp] = 10,
[snd_soc_dapm_spk] = 10,
[snd_soc_dapm_post] = 11,
@@ -70,6 +74,7 @@ static int dapm_down_seq[] = {
[snd_soc_dapm_adc] = 1,
[snd_soc_dapm_hp] = 2,
[snd_soc_dapm_spk] = 2,
+ [snd_soc_dapm_out_drv] = 2,
[snd_soc_dapm_pga] = 4,
[snd_soc_dapm_mixer_named_ctl] = 5,
[snd_soc_dapm_mixer] = 5,
@@ -77,6 +82,7 @@ static int dapm_down_seq[] = {
[snd_soc_dapm_mic] = 7,
[snd_soc_dapm_micbias] = 8,
[snd_soc_dapm_mux] = 9,
+ [snd_soc_dapm_virt_mux] = 9,
[snd_soc_dapm_value_mux] = 9,
[snd_soc_dapm_aif_in] = 10,
[snd_soc_dapm_aif_out] = 10,
@@ -90,17 +96,24 @@ static void pop_wait(u32 pop_time)
schedule_timeout_uninterruptible(msecs_to_jiffies(pop_time));
}
-static void pop_dbg(u32 pop_time, const char *fmt, ...)
+static void pop_dbg(struct device *dev, u32 pop_time, const char *fmt, ...)
{
va_list args;
+ char *buf;
- va_start(args, fmt);
+ if (!pop_time)
+ return;
- if (pop_time) {
- vprintk(fmt, args);
- }
+ buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
+ if (buf == NULL)
+ return;
+ va_start(args, fmt);
+ vsnprintf(buf, PAGE_SIZE, fmt, args);
+ dev_info(dev, "%s", buf);
va_end(args);
+
+ kfree(buf);
}
/* create a new dapm widget */
@@ -120,36 +133,45 @@ static inline struct snd_soc_dapm_widget *dapm_cnew_widget(
* Returns 0 for success else error.
*/
static int snd_soc_dapm_set_bias_level(struct snd_soc_card *card,
- struct snd_soc_codec *codec, enum snd_soc_bias_level level)
+ struct snd_soc_dapm_context *dapm,
+ enum snd_soc_bias_level level)
{
int ret = 0;
switch (level) {
case SND_SOC_BIAS_ON:
- dev_dbg(codec->dev, "Setting full bias\n");
+ dev_dbg(dapm->dev, "Setting full bias\n");
break;
case SND_SOC_BIAS_PREPARE:
- dev_dbg(codec->dev, "Setting bias prepare\n");
+ dev_dbg(dapm->dev, "Setting bias prepare\n");
break;
case SND_SOC_BIAS_STANDBY:
- dev_dbg(codec->dev, "Setting standby bias\n");
+ dev_dbg(dapm->dev, "Setting standby bias\n");
break;
case SND_SOC_BIAS_OFF:
- dev_dbg(codec->dev, "Setting bias off\n");
+ dev_dbg(dapm->dev, "Setting bias off\n");
break;
default:
- dev_err(codec->dev, "Setting invalid bias %d\n", level);
+ dev_err(dapm->dev, "Setting invalid bias %d\n", level);
return -EINVAL;
}
+ trace_snd_soc_bias_level_start(card, level);
+
if (card && card->set_bias_level)
ret = card->set_bias_level(card, level);
if (ret == 0) {
- if (codec->driver->set_bias_level)
- ret = codec->driver->set_bias_level(codec, level);
+ if (dapm->codec && dapm->codec->driver->set_bias_level)
+ ret = dapm->codec->driver->set_bias_level(dapm->codec, level);
else
- codec->bias_level = level;
+ dapm->bias_level = level;
}
+ if (ret == 0) {
+ if (card && card->set_bias_level_post)
+ ret = card->set_bias_level_post(card, level);
+ }
+
+ trace_snd_soc_bias_level_done(card, level);
return ret;
}
@@ -196,6 +218,20 @@ 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;
+
+ p->connect = 0;
+ /* since a virtual mux has no backing registers to
+ * decide which path to connect, it will try to match
+ * with the first enumeration. This is to ensure
+ * that the default mux choice (the first) will be
+ * correctly powered up during initialization.
+ */
+ if (!strcmp(p->name, e->texts[0]))
+ p->connect = 1;
+ }
+ break;
case snd_soc_dapm_value_mux: {
struct soc_enum *e = (struct soc_enum *)
w->kcontrols[i].private_value;
@@ -217,6 +253,7 @@ static void dapm_set_path_status(struct snd_soc_dapm_widget *w,
break;
/* does not effect routing - always connected */
case snd_soc_dapm_pga:
+ case snd_soc_dapm_out_drv:
case snd_soc_dapm_output:
case snd_soc_dapm_adc:
case snd_soc_dapm_input:
@@ -241,7 +278,7 @@ static void dapm_set_path_status(struct snd_soc_dapm_widget *w,
}
/* connect mux widget to its interconnecting audio paths */
-static int dapm_connect_mux(struct snd_soc_codec *codec,
+static int dapm_connect_mux(struct snd_soc_dapm_context *dapm,
struct snd_soc_dapm_widget *src, struct snd_soc_dapm_widget *dest,
struct snd_soc_dapm_path *path, const char *control_name,
const struct snd_kcontrol_new *kcontrol)
@@ -251,7 +288,7 @@ static int dapm_connect_mux(struct snd_soc_codec *codec,
for (i = 0; i < e->max; i++) {
if (!(strcmp(control_name, e->texts[i]))) {
- list_add(&path->list, &codec->dapm_paths);
+ list_add(&path->list, &dapm->card->paths);
list_add(&path->list_sink, &dest->sources);
list_add(&path->list_source, &src->sinks);
path->name = (char*)e->texts[i];
@@ -264,7 +301,7 @@ static int dapm_connect_mux(struct snd_soc_codec *codec,
}
/* connect mixer widget to its interconnecting audio paths */
-static int dapm_connect_mixer(struct snd_soc_codec *codec,
+static int dapm_connect_mixer(struct snd_soc_dapm_context *dapm,
struct snd_soc_dapm_widget *src, struct snd_soc_dapm_widget *dest,
struct snd_soc_dapm_path *path, const char *control_name)
{
@@ -273,7 +310,7 @@ static int dapm_connect_mixer(struct snd_soc_codec *codec,
/* search for mixer kcontrol */
for (i = 0; i < dest->num_kcontrols; i++) {
if (!strcmp(control_name, dest->kcontrols[i].name)) {
- list_add(&path->list, &codec->dapm_paths);
+ 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;
@@ -290,6 +327,8 @@ static int dapm_update_bits(struct snd_soc_dapm_widget *widget)
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 ||
@@ -309,24 +348,26 @@ static int dapm_update_bits(struct snd_soc_dapm_widget *widget)
change = old != new;
if (change) {
- pop_dbg(codec->pop_time, "pop test %s : %s in %d ms\n",
+ pop_dbg(dapm->dev, card->pop_time,
+ "pop test %s : %s in %d ms\n",
widget->name, widget->power ? "on" : "off",
- codec->pop_time);
- pop_wait(codec->pop_time);
+ card->pop_time);
+ pop_wait(card->pop_time);
snd_soc_write(codec, widget->reg, new);
}
- pr_debug("reg %x old %x new %x change %d\n", widget->reg,
- old, new, change);
+ dev_dbg(dapm->dev, "reg %x old %x new %x change %d\n", widget->reg,
+ old, new, change);
return change;
}
/* create new dapm mixer control */
-static int dapm_new_mixer(struct snd_soc_codec *codec,
+static int dapm_new_mixer(struct snd_soc_dapm_context *dapm,
struct snd_soc_dapm_widget *w)
{
int i, ret = 0;
size_t name_len;
struct snd_soc_dapm_path *path;
+ struct snd_card *card = dapm->codec->card->snd_card;
/* add kcontrol */
for (i = 0; i < w->num_kcontrols; i++) {
@@ -368,11 +409,11 @@ static int dapm_new_mixer(struct snd_soc_codec *codec,
path->kcontrol = snd_soc_cnew(&w->kcontrols[i], w,
path->long_name);
- ret = snd_ctl_add(codec->card->snd_card, path->kcontrol);
+ ret = snd_ctl_add(card, path->kcontrol);
if (ret < 0) {
- printk(KERN_ERR "asoc: failed to add dapm kcontrol %s: %d\n",
- path->long_name,
- ret);
+ dev_err(dapm->dev,
+ "asoc: failed to add dapm kcontrol %s: %d\n",
+ path->long_name, ret);
kfree(path->long_name);
path->long_name = NULL;
return ret;
@@ -383,20 +424,22 @@ static int dapm_new_mixer(struct snd_soc_codec *codec,
}
/* create new dapm mux control */
-static int dapm_new_mux(struct snd_soc_codec *codec,
+static int dapm_new_mux(struct snd_soc_dapm_context *dapm,
struct snd_soc_dapm_widget *w)
{
struct snd_soc_dapm_path *path = NULL;
struct snd_kcontrol *kcontrol;
+ struct snd_card *card = dapm->codec->card->snd_card;
int ret = 0;
if (!w->num_kcontrols) {
- printk(KERN_ERR "asoc: mux %s has no controls\n", w->name);
+ dev_err(dapm->dev, "asoc: mux %s has no controls\n", w->name);
return -EINVAL;
}
kcontrol = snd_soc_cnew(&w->kcontrols[0], w, w->name);
- ret = snd_ctl_add(codec->card->snd_card, kcontrol);
+ ret = snd_ctl_add(card, kcontrol);
+
if (ret < 0)
goto err;
@@ -406,26 +449,27 @@ static int dapm_new_mux(struct snd_soc_codec *codec,
return ret;
err:
- printk(KERN_ERR "asoc: failed to add kcontrol %s\n", w->name);
+ dev_err(dapm->dev, "asoc: failed to add kcontrol %s\n", w->name);
return ret;
}
/* create new dapm volume control */
-static int dapm_new_pga(struct snd_soc_codec *codec,
+static int dapm_new_pga(struct snd_soc_dapm_context *dapm,
struct snd_soc_dapm_widget *w)
{
if (w->num_kcontrols)
- pr_err("asoc: PGA controls not supported: '%s'\n", w->name);
+ dev_err(w->dapm->dev,
+ "asoc: PGA controls not supported: '%s'\n", w->name);
return 0;
}
/* reset 'walked' bit for each dapm path */
-static inline void dapm_clear_walk(struct snd_soc_codec *codec)
+static inline void dapm_clear_walk(struct snd_soc_dapm_context *dapm)
{
struct snd_soc_dapm_path *p;
- list_for_each_entry(p, &codec->dapm_paths, list)
+ list_for_each_entry(p, &dapm->card->paths, list)
p->walked = 0;
}
@@ -435,13 +479,14 @@ static inline void dapm_clear_walk(struct snd_soc_codec *codec)
*/
static int snd_soc_dapm_suspend_check(struct snd_soc_dapm_widget *widget)
{
- int level = snd_power_get_state(widget->codec->card->snd_card);
+ int level = snd_power_get_state(widget->dapm->codec->card->snd_card);
switch (level) {
case SNDRV_CTL_POWER_D3hot:
case SNDRV_CTL_POWER_D3cold:
if (widget->ignore_suspend)
- pr_debug("%s ignoring suspend\n", widget->name);
+ dev_dbg(widget->dapm->dev, "%s ignoring suspend\n",
+ widget->name);
return widget->ignore_suspend;
default:
return 1;
@@ -572,7 +617,7 @@ static int dapm_generic_apply_power(struct snd_soc_dapm_widget *w)
/* call any power change event handlers */
if (w->event)
- pr_debug("power %s event for %s flags %x\n",
+ dev_dbg(w->dapm->dev, "power %s event for %s flags %x\n",
w->power ? "on" : "off",
w->name, w->event_flags);
@@ -621,9 +666,9 @@ static int dapm_generic_check_power(struct snd_soc_dapm_widget *w)
int in, out;
in = is_connected_input_ep(w);
- dapm_clear_walk(w->codec);
+ dapm_clear_walk(w->dapm);
out = is_connected_output_ep(w);
- dapm_clear_walk(w->codec);
+ dapm_clear_walk(w->dapm);
return out != 0 && in != 0;
}
@@ -634,7 +679,7 @@ static int dapm_adc_check_power(struct snd_soc_dapm_widget *w)
if (w->active) {
in = is_connected_input_ep(w);
- dapm_clear_walk(w->codec);
+ dapm_clear_walk(w->dapm);
return in != 0;
} else {
return dapm_generic_check_power(w);
@@ -648,7 +693,7 @@ static int dapm_dac_check_power(struct snd_soc_dapm_widget *w)
if (w->active) {
out = is_connected_output_ep(w);
- dapm_clear_walk(w->codec);
+ dapm_clear_walk(w->dapm);
return out != 0;
} else {
return dapm_generic_check_power(w);
@@ -667,14 +712,22 @@ static int dapm_supply_check_power(struct snd_soc_dapm_widget *w)
!path->connected(path->source, path->sink))
continue;
- if (path->sink && path->sink->power_check &&
+ if (!path->sink)
+ continue;
+
+ if (path->sink->force) {
+ power = 1;
+ break;
+ }
+
+ if (path->sink->power_check &&
path->sink->power_check(path->sink)) {
power = 1;
break;
}
}
- dapm_clear_walk(w->codec);
+ dapm_clear_walk(w->dapm);
return power;
}
@@ -687,8 +740,8 @@ static int dapm_seq_compare(struct snd_soc_dapm_widget *a,
return sort[a->id] - sort[b->id];
if (a->reg != b->reg)
return a->reg - b->reg;
- if (a->codec != b->codec)
- return (unsigned long)a->codec - (unsigned long)b->codec;
+ if (a->dapm != b->dapm)
+ return (unsigned long)a->dapm - (unsigned long)b->dapm;
return 0;
}
@@ -709,12 +762,57 @@ static void dapm_seq_insert(struct snd_soc_dapm_widget *new_widget,
list_add_tail(&new_widget->power_list, list);
}
+static void dapm_seq_check_event(struct snd_soc_dapm_context *dapm,
+ struct snd_soc_dapm_widget *w, int event)
+{
+ struct snd_soc_card *card = dapm->card;
+ const char *ev_name;
+ int power, ret;
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ ev_name = "PRE_PMU";
+ power = 1;
+ break;
+ case SND_SOC_DAPM_POST_PMU:
+ ev_name = "POST_PMU";
+ power = 1;
+ break;
+ case SND_SOC_DAPM_PRE_PMD:
+ ev_name = "PRE_PMD";
+ power = 0;
+ break;
+ case SND_SOC_DAPM_POST_PMD:
+ ev_name = "POST_PMD";
+ power = 0;
+ break;
+ default:
+ BUG();
+ return;
+ }
+
+ if (w->power != power)
+ return;
+
+ if (w->event && (w->event_flags & event)) {
+ pop_dbg(dapm->dev, card->pop_time, "pop test : %s %s\n",
+ w->name, ev_name);
+ trace_snd_soc_dapm_widget_event_start(w, event);
+ ret = w->event(w, NULL, event);
+ trace_snd_soc_dapm_widget_event_done(w, event);
+ if (ret < 0)
+ pr_err("%s: %s event failed: %d\n",
+ ev_name, w->name, ret);
+ }
+}
+
/* Apply the coalesced changes from a DAPM sequence */
-static void dapm_seq_run_coalesced(struct snd_soc_codec *codec,
+static void dapm_seq_run_coalesced(struct snd_soc_dapm_context *dapm,
struct list_head *pending)
{
+ struct snd_soc_card *card = dapm->card;
struct snd_soc_dapm_widget *w;
- int reg, power, ret;
+ int reg, power;
unsigned int value = 0;
unsigned int mask = 0;
unsigned int cur_mask;
@@ -735,64 +833,26 @@ static void dapm_seq_run_coalesced(struct snd_soc_codec *codec,
if (power)
value |= cur_mask;
- pop_dbg(codec->pop_time,
+ pop_dbg(dapm->dev, card->pop_time,
"pop test : Queue %s: reg=0x%x, 0x%x/0x%x\n",
w->name, reg, value, mask);
- /* power up pre event */
- if (w->power && w->event &&
- (w->event_flags & SND_SOC_DAPM_PRE_PMU)) {
- pop_dbg(codec->pop_time, "pop test : %s PRE_PMU\n",
- w->name);
- ret = w->event(w, NULL, SND_SOC_DAPM_PRE_PMU);
- if (ret < 0)
- pr_err("%s: pre event failed: %d\n",
- w->name, ret);
- }
-
- /* power down pre event */
- if (!w->power && w->event &&
- (w->event_flags & SND_SOC_DAPM_PRE_PMD)) {
- pop_dbg(codec->pop_time, "pop test : %s PRE_PMD\n",
- w->name);
- ret = w->event(w, NULL, SND_SOC_DAPM_PRE_PMD);
- if (ret < 0)
- pr_err("%s: pre event failed: %d\n",
- w->name, ret);
- }
+ /* Check for events */
+ dapm_seq_check_event(dapm, w, SND_SOC_DAPM_PRE_PMU);
+ dapm_seq_check_event(dapm, w, SND_SOC_DAPM_PRE_PMD);
}
if (reg >= 0) {
- pop_dbg(codec->pop_time,
+ pop_dbg(dapm->dev, card->pop_time,
"pop test : Applying 0x%x/0x%x to %x in %dms\n",
- value, mask, reg, codec->pop_time);
- pop_wait(codec->pop_time);
- snd_soc_update_bits(codec, reg, mask, value);
+ value, mask, reg, card->pop_time);
+ pop_wait(card->pop_time);
+ snd_soc_update_bits(dapm->codec, reg, mask, value);
}
list_for_each_entry(w, pending, power_list) {
- /* power up post event */
- if (w->power && w->event &&
- (w->event_flags & SND_SOC_DAPM_POST_PMU)) {
- pop_dbg(codec->pop_time, "pop test : %s POST_PMU\n",
- w->name);
- ret = w->event(w,
- NULL, SND_SOC_DAPM_POST_PMU);
- if (ret < 0)
- pr_err("%s: post event failed: %d\n",
- w->name, ret);
- }
-
- /* power down post event */
- if (!w->power && w->event &&
- (w->event_flags & SND_SOC_DAPM_POST_PMD)) {
- pop_dbg(codec->pop_time, "pop test : %s POST_PMD\n",
- w->name);
- ret = w->event(w, NULL, SND_SOC_DAPM_POST_PMD);
- if (ret < 0)
- pr_err("%s: post event failed: %d\n",
- w->name, ret);
- }
+ dapm_seq_check_event(dapm, w, SND_SOC_DAPM_POST_PMU);
+ dapm_seq_check_event(dapm, w, SND_SOC_DAPM_POST_PMD);
}
}
@@ -804,26 +864,29 @@ static void dapm_seq_run_coalesced(struct snd_soc_codec *codec,
* Currently anything that requires more than a single write is not
* handled.
*/
-static void dapm_seq_run(struct snd_soc_codec *codec, struct list_head *list,
- int event, int sort[])
+static void dapm_seq_run(struct snd_soc_dapm_context *dapm,
+ struct list_head *list, int event, int sort[])
{
struct snd_soc_dapm_widget *w, *n;
LIST_HEAD(pending);
int cur_sort = -1;
int cur_reg = SND_SOC_NOPM;
+ struct snd_soc_dapm_context *cur_dapm = NULL;
int ret;
list_for_each_entry_safe(w, n, list, power_list) {
ret = 0;
/* Do we need to apply any queued changes? */
- if (sort[w->id] != cur_sort || w->reg != cur_reg) {
+ if (sort[w->id] != cur_sort || w->reg != cur_reg ||
+ w->dapm != cur_dapm) {
if (!list_empty(&pending))
- dapm_seq_run_coalesced(codec, &pending);
+ dapm_seq_run_coalesced(cur_dapm, &pending);
INIT_LIST_HEAD(&pending);
cur_sort = -1;
cur_reg = SND_SOC_NOPM;
+ cur_dapm = NULL;
}
switch (w->id) {
@@ -867,19 +930,55 @@ static void dapm_seq_run(struct snd_soc_codec *codec, struct list_head *list,
/* Queue it up for application */
cur_sort = sort[w->id];
cur_reg = w->reg;
+ cur_dapm = w->dapm;
list_move(&w->power_list, &pending);
break;
}
if (ret < 0)
- pr_err("Failed to apply widget power: %d\n",
- ret);
+ dev_err(w->dapm->dev,
+ "Failed to apply widget power: %d\n", ret);
}
if (!list_empty(&pending))
- dapm_seq_run_coalesced(codec, &pending);
+ dapm_seq_run_coalesced(dapm, &pending);
}
+static void dapm_widget_update(struct snd_soc_dapm_context *dapm)
+{
+ struct snd_soc_dapm_update *update = dapm->update;
+ struct snd_soc_dapm_widget *w;
+ int ret;
+
+ if (!update)
+ return;
+
+ w = update->widget;
+
+ if (w->event &&
+ (w->event_flags & SND_SOC_DAPM_PRE_REG)) {
+ ret = w->event(w, update->kcontrol, SND_SOC_DAPM_PRE_REG);
+ if (ret != 0)
+ pr_err("%s DAPM pre-event failed: %d\n",
+ w->name, ret);
+ }
+
+ ret = snd_soc_update_bits(w->codec, update->reg, update->mask,
+ update->val);
+ if (ret < 0)
+ pr_err("%s DAPM update failed: %d\n", w->name, ret);
+
+ if (w->event &&
+ (w->event_flags & SND_SOC_DAPM_POST_REG)) {
+ ret = w->event(w, update->kcontrol, SND_SOC_DAPM_POST_REG);
+ if (ret != 0)
+ pr_err("%s DAPM post-event failed: %d\n",
+ w->name, ret);
+ }
+}
+
+
+
/*
* Scan each dapm widget for complete audio path.
* A complete path is a route that has valid endpoints i.e.:-
@@ -889,20 +988,26 @@ static void dapm_seq_run(struct snd_soc_codec *codec, struct list_head *list,
* o Input pin to Output pin (bypass, sidetone)
* o DAC to ADC (loopback).
*/
-static int dapm_power_widgets(struct snd_soc_codec *codec, int event)
+static int dapm_power_widgets(struct snd_soc_dapm_context *dapm, int event)
{
- struct snd_soc_card *card = codec->card;
+ struct snd_soc_card *card = dapm->codec->card;
struct snd_soc_dapm_widget *w;
+ struct snd_soc_dapm_context *d;
LIST_HEAD(up_list);
LIST_HEAD(down_list);
int ret = 0;
int power;
- int sys_power = 0;
+
+ trace_snd_soc_dapm_start(card);
+
+ list_for_each_entry(d, &card->dapm_list, list)
+ if (d->n_widgets)
+ d->dev_power = 0;
/* 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, &codec->dapm_widgets, list) {
+ list_for_each_entry(w, &card->widgets, list) {
switch (w->id) {
case snd_soc_dapm_pre:
dapm_seq_insert(w, &down_list, dapm_down_seq);
@@ -920,11 +1025,13 @@ static int dapm_power_widgets(struct snd_soc_codec *codec, int event)
else
power = 1;
if (power)
- sys_power = 1;
+ w->dapm->dev_power = 1;
if (w->power == power)
continue;
+ trace_snd_soc_dapm_widget_power(w, power);
+
if (power)
dapm_seq_insert(w, &up_list, dapm_up_seq);
else
@@ -938,26 +1045,26 @@ static int dapm_power_widgets(struct snd_soc_codec *codec, int event)
/* If there are no DAPM widgets then try to figure out power from the
* event type.
*/
- if (list_empty(&codec->dapm_widgets)) {
+ if (!dapm->n_widgets) {
switch (event) {
case SND_SOC_DAPM_STREAM_START:
case SND_SOC_DAPM_STREAM_RESUME:
- sys_power = 1;
+ dapm->dev_power = 1;
break;
case SND_SOC_DAPM_STREAM_STOP:
- sys_power = !!codec->active;
+ dapm->dev_power = !!dapm->codec->active;
break;
case SND_SOC_DAPM_STREAM_SUSPEND:
- sys_power = 0;
+ dapm->dev_power = 0;
break;
case SND_SOC_DAPM_STREAM_NOP:
- switch (codec->bias_level) {
+ switch (dapm->bias_level) {
case SND_SOC_BIAS_STANDBY:
case SND_SOC_BIAS_OFF:
- sys_power = 0;
+ dapm->dev_power = 0;
break;
default:
- sys_power = 1;
+ dapm->dev_power = 1;
break;
}
break;
@@ -966,52 +1073,71 @@ static int dapm_power_widgets(struct snd_soc_codec *codec, int event)
}
}
- if (sys_power && codec->bias_level == SND_SOC_BIAS_OFF) {
- ret = snd_soc_dapm_set_bias_level(card, codec,
- SND_SOC_BIAS_STANDBY);
- if (ret != 0)
- pr_err("Failed to turn on bias: %d\n", ret);
- }
+ list_for_each_entry(d, &dapm->card->dapm_list, list) {
+ if (d->dev_power && d->bias_level == SND_SOC_BIAS_OFF) {
+ ret = snd_soc_dapm_set_bias_level(card, d,
+ SND_SOC_BIAS_STANDBY);
+ if (ret != 0)
+ dev_err(d->dev,
+ "Failed to turn on bias: %d\n", ret);
+ }
- /* If we're changing to all on or all off then prepare */
- if ((sys_power && codec->bias_level == SND_SOC_BIAS_STANDBY) ||
- (!sys_power && codec->bias_level == SND_SOC_BIAS_ON)) {
- ret = snd_soc_dapm_set_bias_level(card, codec, SND_SOC_BIAS_PREPARE);
- if (ret != 0)
- pr_err("Failed to prepare bias: %d\n", ret);
+ /* If we're changing to all on or all off then prepare */
+ if ((d->dev_power && d->bias_level == SND_SOC_BIAS_STANDBY) ||
+ (!d->dev_power && d->bias_level == SND_SOC_BIAS_ON)) {
+ ret = snd_soc_dapm_set_bias_level(card, d,
+ SND_SOC_BIAS_PREPARE);
+ if (ret != 0)
+ dev_err(d->dev,
+ "Failed to prepare bias: %d\n", ret);
+ }
}
/* Power down widgets first; try to avoid amplifying pops. */
- dapm_seq_run(codec, &down_list, event, dapm_down_seq);
+ dapm_seq_run(dapm, &down_list, event, dapm_down_seq);
+
+ dapm_widget_update(dapm);
/* Now power up. */
- dapm_seq_run(codec, &up_list, event, dapm_up_seq);
+ dapm_seq_run(dapm, &up_list, event, dapm_up_seq);
+
+ list_for_each_entry(d, &dapm->card->dapm_list, list) {
+ /* If we just powered the last thing off drop to standby bias */
+ if (d->bias_level == SND_SOC_BIAS_PREPARE && !d->dev_power) {
+ ret = snd_soc_dapm_set_bias_level(card, d,
+ SND_SOC_BIAS_STANDBY);
+ if (ret != 0)
+ dev_err(d->dev,
+ "Failed to apply standby bias: %d\n",
+ ret);
+ }
- /* If we just powered the last thing off drop to standby bias */
- if (codec->bias_level == SND_SOC_BIAS_PREPARE && !sys_power) {
- ret = snd_soc_dapm_set_bias_level(card, codec, SND_SOC_BIAS_STANDBY);
- if (ret != 0)
- pr_err("Failed to apply standby bias: %d\n", ret);
- }
+ /* If we're in standby and can support bias off then do that */
+ if (d->bias_level == SND_SOC_BIAS_STANDBY &&
+ d->idle_bias_off) {
+ ret = snd_soc_dapm_set_bias_level(card, d,
+ SND_SOC_BIAS_OFF);
+ if (ret != 0)
+ dev_err(d->dev,
+ "Failed to turn off bias: %d\n", ret);
+ }
- /* If we're in standby and can support bias off then do that */
- if (codec->bias_level == SND_SOC_BIAS_STANDBY &&
- codec->idle_bias_off) {
- ret = snd_soc_dapm_set_bias_level(card, codec, SND_SOC_BIAS_OFF);
- if (ret != 0)
- pr_err("Failed to turn off bias: %d\n", ret);
+ /* If we just powered up then move to active bias */
+ if (d->bias_level == SND_SOC_BIAS_PREPARE && d->dev_power) {
+ ret = snd_soc_dapm_set_bias_level(card, d,
+ SND_SOC_BIAS_ON);
+ if (ret != 0)
+ dev_err(d->dev,
+ "Failed to apply active bias: %d\n",
+ ret);
+ }
}
- /* If we just powered up then move to active bias */
- if (codec->bias_level == SND_SOC_BIAS_PREPARE && sys_power) {
- ret = snd_soc_dapm_set_bias_level(card, codec, SND_SOC_BIAS_ON);
- if (ret != 0)
- pr_err("Failed to apply active bias: %d\n", ret);
- }
+ pop_dbg(dapm->dev, card->pop_time,
+ "DAPM sequencing finished, waiting %dms\n", card->pop_time);
+ pop_wait(card->pop_time);
- pop_dbg(codec->pop_time, "DAPM sequencing finished, waiting %dms\n",
- codec->pop_time);
- pop_wait(codec->pop_time);
+ trace_snd_soc_dapm_done(card);
return 0;
}
@@ -1038,9 +1164,9 @@ static ssize_t dapm_widget_power_read_file(struct file *file,
return -ENOMEM;
in = is_connected_input_ep(w);
- dapm_clear_walk(w->codec);
+ dapm_clear_walk(w->dapm);
out = is_connected_output_ep(w);
- dapm_clear_walk(w->codec);
+ dapm_clear_walk(w->dapm);
ret = snprintf(buf, PAGE_SIZE, "%s: %s in %d out %d",
w->name, w->power ? "On" : "Off", in, out);
@@ -1090,29 +1216,29 @@ static const struct file_operations dapm_widget_power_fops = {
.llseek = default_llseek,
};
-void snd_soc_dapm_debugfs_init(struct snd_soc_codec *codec)
+void snd_soc_dapm_debugfs_init(struct snd_soc_dapm_context *dapm)
{
struct snd_soc_dapm_widget *w;
struct dentry *d;
- if (!codec->debugfs_dapm)
+ if (!dapm->debugfs_dapm)
return;
- list_for_each_entry(w, &codec->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,
- codec->debugfs_dapm, w,
+ dapm->debugfs_dapm, w,
&dapm_widget_power_fops);
if (!d)
- printk(KERN_WARNING
- "ASoC: Failed to create %s debugfs file\n",
- w->name);
+ dev_warn(w->dapm->dev,
+ "ASoC: Failed to create %s debugfs file\n",
+ w->name);
}
}
#else
-void snd_soc_dapm_debugfs_init(struct snd_soc_codec *codec)
+void snd_soc_dapm_debugfs_init(struct snd_soc_dapm_context *dapm)
{
}
#endif
@@ -1126,6 +1252,7 @@ static int dapm_mux_update_power(struct snd_soc_dapm_widget *widget,
int found = 0;
if (widget->id != snd_soc_dapm_mux &&
+ widget->id != snd_soc_dapm_virt_mux &&
widget->id != snd_soc_dapm_value_mux)
return -ENODEV;
@@ -1133,7 +1260,7 @@ static int dapm_mux_update_power(struct snd_soc_dapm_widget *widget,
return 0;
/* find dapm widget path assoc with kcontrol */
- list_for_each_entry(path, &widget->codec->dapm_paths, list) {
+ list_for_each_entry(path, &widget->dapm->card->paths, list) {
if (path->kcontrol != kcontrol)
continue;
@@ -1149,7 +1276,7 @@ static int dapm_mux_update_power(struct snd_soc_dapm_widget *widget,
}
if (found)
- dapm_power_widgets(widget->codec, SND_SOC_DAPM_STREAM_NOP);
+ dapm_power_widgets(widget->dapm, SND_SOC_DAPM_STREAM_NOP);
return 0;
}
@@ -1167,7 +1294,7 @@ static int dapm_mixer_update_power(struct snd_soc_dapm_widget *widget,
return -ENODEV;
/* find dapm widget path assoc with kcontrol */
- list_for_each_entry(path, &widget->codec->dapm_paths, list) {
+ list_for_each_entry(path, &widget->dapm->card->paths, list) {
if (path->kcontrol != kcontrol)
continue;
@@ -1178,7 +1305,7 @@ static int dapm_mixer_update_power(struct snd_soc_dapm_widget *widget,
}
if (found)
- dapm_power_widgets(widget->codec, SND_SOC_DAPM_STREAM_NOP);
+ dapm_power_widgets(widget->dapm, SND_SOC_DAPM_STREAM_NOP);
return 0;
}
@@ -1194,7 +1321,9 @@ 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) {
@@ -1206,6 +1335,7 @@ static ssize_t dapm_widget_show(struct device *dev,
case snd_soc_dapm_dac:
case snd_soc_dapm_adc:
case snd_soc_dapm_pga:
+ case snd_soc_dapm_out_drv:
case snd_soc_dapm_mixer:
case snd_soc_dapm_mixer_named_ctl:
case snd_soc_dapm_supply:
@@ -1218,7 +1348,7 @@ static ssize_t dapm_widget_show(struct device *dev,
}
}
- switch (codec->bias_level) {
+ switch (codec->dapm.bias_level) {
case SND_SOC_BIAS_ON:
state = "On";
break;
@@ -1250,31 +1380,50 @@ static void snd_soc_dapm_sys_remove(struct device *dev)
}
/* free all dapm widgets and resources */
-static void dapm_free_widgets(struct snd_soc_codec *codec)
+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, &codec->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.
+ * 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);
+ }
+ kfree(w->name);
kfree(w);
}
-
- list_for_each_entry_safe(p, next_p, &codec->dapm_paths, list) {
- list_del(&p->list);
- kfree(p->long_name);
- kfree(p);
- }
}
-static int snd_soc_dapm_set_pin(struct snd_soc_codec *codec,
+static int snd_soc_dapm_set_pin(struct snd_soc_dapm_context *dapm,
const char *pin, int status)
{
struct snd_soc_dapm_widget *w;
- list_for_each_entry(w, &codec->dapm_widgets, list) {
+ list_for_each_entry(w, &dapm->card->widgets, list) {
+ if (w->dapm != dapm)
+ continue;
if (!strcmp(w->name, pin)) {
- pr_debug("dapm: %s: pin %s\n", codec->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)
@@ -1283,46 +1432,72 @@ static int snd_soc_dapm_set_pin(struct snd_soc_codec *codec,
}
}
- pr_err("dapm: %s: configuring unknown pin %s\n", codec->name, pin);
+ dev_err(dapm->dev, "dapm: unknown pin %s\n", pin);
return -EINVAL;
}
/**
* snd_soc_dapm_sync - scan and power dapm paths
- * @codec: audio codec
+ * @dapm: DAPM context
*
* Walks all dapm audio paths and powers widgets according to their
* stream or path usage.
*
* Returns 0 for success.
*/
-int snd_soc_dapm_sync(struct snd_soc_codec *codec)
+int snd_soc_dapm_sync(struct snd_soc_dapm_context *dapm)
{
- return dapm_power_widgets(codec, SND_SOC_DAPM_STREAM_NOP);
+ return dapm_power_widgets(dapm, SND_SOC_DAPM_STREAM_NOP);
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_sync);
-static int snd_soc_dapm_add_route(struct snd_soc_codec *codec,
+static int snd_soc_dapm_add_route(struct snd_soc_dapm_context *dapm,
const struct snd_soc_dapm_route *route)
{
struct snd_soc_dapm_path *path;
struct snd_soc_dapm_widget *wsource = NULL, *wsink = NULL, *w;
- const char *sink = route->sink;
+ struct snd_soc_dapm_widget *wtsource = NULL, *wtsink = NULL;
+ const char *sink;
const char *control = route->control;
- const char *source = route->source;
+ const char *source;
+ char prefixed_sink[80];
+ char prefixed_source[80];
int ret = 0;
- /* find src and dest widgets */
- list_for_each_entry(w, &codec->dapm_widgets, list) {
+ if (dapm->codec->name_prefix) {
+ snprintf(prefixed_sink, sizeof(prefixed_sink), "%s %s",
+ dapm->codec->name_prefix, route->sink);
+ sink = prefixed_sink;
+ snprintf(prefixed_source, sizeof(prefixed_source), "%s %s",
+ dapm->codec->name_prefix, route->source);
+ source = prefixed_source;
+ } else {
+ sink = route->sink;
+ source = route->source;
+ }
+ /*
+ * 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;
@@ -1356,7 +1531,7 @@ static int snd_soc_dapm_add_route(struct snd_soc_codec *codec,
/* connect static paths */
if (control == NULL) {
- list_add(&path->list, &codec->dapm_paths);
+ list_add(&path->list, &dapm->card->paths);
list_add(&path->list_sink, &wsink->sources);
list_add(&path->list_source, &wsource->sinks);
path->connect = 1;
@@ -1368,6 +1543,7 @@ static int snd_soc_dapm_add_route(struct snd_soc_codec *codec,
case snd_soc_dapm_adc:
case snd_soc_dapm_dac:
case snd_soc_dapm_pga:
+ case snd_soc_dapm_out_drv:
case snd_soc_dapm_input:
case snd_soc_dapm_output:
case snd_soc_dapm_micbias:
@@ -1377,14 +1553,15 @@ static int snd_soc_dapm_add_route(struct snd_soc_codec *codec,
case snd_soc_dapm_supply:
case snd_soc_dapm_aif_in:
case snd_soc_dapm_aif_out:
- list_add(&path->list, &codec->dapm_paths);
+ list_add(&path->list, &dapm->card->paths);
list_add(&path->list_sink, &wsink->sources);
list_add(&path->list_source, &wsource->sinks);
path->connect = 1;
return 0;
case snd_soc_dapm_mux:
+ case snd_soc_dapm_virt_mux:
case snd_soc_dapm_value_mux:
- ret = dapm_connect_mux(codec, wsource, wsink, path, control,
+ ret = dapm_connect_mux(dapm, wsource, wsink, path, control,
&wsink->kcontrols[0]);
if (ret != 0)
goto err;
@@ -1392,7 +1569,7 @@ static int snd_soc_dapm_add_route(struct snd_soc_codec *codec,
case snd_soc_dapm_switch:
case snd_soc_dapm_mixer:
case snd_soc_dapm_mixer_named_ctl:
- ret = dapm_connect_mixer(codec, wsource, wsink, path, control);
+ ret = dapm_connect_mixer(dapm, wsource, wsink, path, control);
if (ret != 0)
goto err;
break;
@@ -1400,7 +1577,7 @@ static int snd_soc_dapm_add_route(struct snd_soc_codec *codec,
case snd_soc_dapm_mic:
case snd_soc_dapm_line:
case snd_soc_dapm_spk:
- list_add(&path->list, &codec->dapm_paths);
+ list_add(&path->list, &dapm->card->paths);
list_add(&path->list_sink, &wsink->sources);
list_add(&path->list_source, &wsource->sinks);
path->connect = 0;
@@ -1409,15 +1586,15 @@ static int snd_soc_dapm_add_route(struct snd_soc_codec *codec,
return 0;
err:
- printk(KERN_WARNING "asoc: no dapm match for %s --> %s --> %s\n", source,
- control, sink);
+ dev_warn(dapm->dev, "asoc: no dapm match for %s --> %s --> %s\n",
+ source, control, sink);
kfree(path);
return ret;
}
/**
* snd_soc_dapm_add_routes - Add routes between DAPM widgets
- * @codec: codec
+ * @dapm: DAPM context
* @route: audio routes
* @num: number of routes
*
@@ -1428,17 +1605,16 @@ err:
* Returns 0 for success else error. On error all resources can be freed
* with a call to snd_soc_card_free().
*/
-int snd_soc_dapm_add_routes(struct snd_soc_codec *codec,
+int snd_soc_dapm_add_routes(struct snd_soc_dapm_context *dapm,
const struct snd_soc_dapm_route *route, int num)
{
int i, ret;
for (i = 0; i < num; i++) {
- ret = snd_soc_dapm_add_route(codec, route);
+ ret = snd_soc_dapm_add_route(dapm, route);
if (ret < 0) {
- printk(KERN_ERR "Failed to add route %s->%s\n",
- route->source,
- route->sink);
+ dev_err(dapm->dev, "Failed to add route %s->%s\n",
+ route->source, route->sink);
return ret;
}
route++;
@@ -1450,17 +1626,18 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_add_routes);
/**
* snd_soc_dapm_new_widgets - add new dapm widgets
- * @codec: audio codec
+ * @dapm: DAPM context
*
* Checks the codec for any new dapm widgets and creates them if found.
*
* Returns 0 for success.
*/
-int snd_soc_dapm_new_widgets(struct snd_soc_codec *codec)
+int snd_soc_dapm_new_widgets(struct snd_soc_dapm_context *dapm)
{
struct snd_soc_dapm_widget *w;
+ unsigned int val;
- list_for_each_entry(w, &codec->dapm_widgets, list)
+ list_for_each_entry(w, &dapm->card->widgets, list)
{
if (w->new)
continue;
@@ -1470,12 +1647,13 @@ int snd_soc_dapm_new_widgets(struct snd_soc_codec *codec)
case snd_soc_dapm_mixer:
case snd_soc_dapm_mixer_named_ctl:
w->power_check = dapm_generic_check_power;
- dapm_new_mixer(codec, w);
+ dapm_new_mixer(dapm, w);
break;
case snd_soc_dapm_mux:
+ case snd_soc_dapm_virt_mux:
case snd_soc_dapm_value_mux:
w->power_check = dapm_generic_check_power;
- dapm_new_mux(codec, w);
+ dapm_new_mux(dapm, w);
break;
case snd_soc_dapm_adc:
case snd_soc_dapm_aif_out:
@@ -1486,8 +1664,9 @@ int snd_soc_dapm_new_widgets(struct snd_soc_codec *codec)
w->power_check = dapm_dac_check_power;
break;
case snd_soc_dapm_pga:
+ case snd_soc_dapm_out_drv:
w->power_check = dapm_generic_check_power;
- dapm_new_pga(codec, w);
+ dapm_new_pga(dapm, w);
break;
case snd_soc_dapm_input:
case snd_soc_dapm_output:
@@ -1505,10 +1684,22 @@ int snd_soc_dapm_new_widgets(struct snd_soc_codec *codec)
case snd_soc_dapm_post:
break;
}
+
+ /* Read the initial power state from the device */
+ if (w->reg >= 0) {
+ val = snd_soc_read(w->codec, w->reg);
+ val &= 1 << w->shift;
+ if (w->invert)
+ val = !val;
+
+ if (val)
+ w->power = 1;
+ }
+
w->new = 1;
}
- dapm_power_widgets(codec, SND_SOC_DAPM_STREAM_NOP);
+ dapm_power_widgets(dapm, SND_SOC_DAPM_STREAM_NOP);
return 0;
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_new_widgets);
@@ -1569,32 +1760,25 @@ int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol,
(struct soc_mixer_control *)kcontrol->private_value;
unsigned int reg = mc->reg;
unsigned int shift = mc->shift;
- unsigned int rshift = mc->rshift;
int max = mc->max;
unsigned int mask = (1 << fls(max)) - 1;
unsigned int invert = mc->invert;
- unsigned int val, val2, val_mask;
- int connect;
- int ret;
+ unsigned int val;
+ int connect, change;
+ struct snd_soc_dapm_update update;
val = (ucontrol->value.integer.value[0] & mask);
if (invert)
val = max - val;
- val_mask = mask << shift;
+ mask = mask << shift;
val = val << shift;
- if (shift != rshift) {
- val2 = (ucontrol->value.integer.value[1] & mask);
- if (invert)
- val2 = max - val2;
- val_mask |= mask << rshift;
- val |= val2 << rshift;
- }
mutex_lock(&widget->codec->mutex);
widget->value = val;
- if (snd_soc_test_bits(widget->codec, reg, val_mask, val)) {
+ change = snd_soc_test_bits(widget->codec, reg, mask, val);
+ if (change) {
if (val)
/* new connection */
connect = invert ? 0:1;
@@ -1602,28 +1786,20 @@ int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol,
/* old connection must be powered down */
connect = invert ? 1:0;
+ update.kcontrol = kcontrol;
+ update.widget = widget;
+ update.reg = reg;
+ update.mask = mask;
+ update.val = val;
+ widget->dapm->update = &update;
+
dapm_mixer_update_power(widget, kcontrol, connect);
+
+ widget->dapm->update = NULL;
}
- if (widget->event) {
- if (widget->event_flags & SND_SOC_DAPM_PRE_REG) {
- ret = widget->event(widget, kcontrol,
- SND_SOC_DAPM_PRE_REG);
- if (ret < 0) {
- ret = 1;
- goto out;
- }
- }
- ret = snd_soc_update_bits(widget->codec, reg, val_mask, val);
- if (widget->event_flags & SND_SOC_DAPM_POST_REG)
- ret = widget->event(widget, kcontrol,
- SND_SOC_DAPM_POST_REG);
- } else
- ret = snd_soc_update_bits(widget->codec, reg, val_mask, val);
-
-out:
mutex_unlock(&widget->codec->mutex);
- return ret;
+ return 0;
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_put_volsw);
@@ -1671,7 +1847,7 @@ int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
unsigned int val, mux, change;
unsigned int mask, bitmask;
- int ret = 0;
+ struct snd_soc_dapm_update update;
for (bitmask = 1; bitmask < e->max; bitmask <<= 1)
;
@@ -1690,24 +1866,20 @@ int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
mutex_lock(&widget->codec->mutex);
widget->value = val;
change = snd_soc_test_bits(widget->codec, e->reg, mask, val);
- dapm_mux_update_power(widget, kcontrol, change, mux, e);
- if (widget->event_flags & SND_SOC_DAPM_PRE_REG) {
- ret = widget->event(widget,
- kcontrol, SND_SOC_DAPM_PRE_REG);
- if (ret < 0)
- goto out;
- }
+ update.kcontrol = kcontrol;
+ update.widget = widget;
+ update.reg = e->reg;
+ update.mask = mask;
+ update.val = val;
+ widget->dapm->update = &update;
- ret = snd_soc_update_bits(widget->codec, e->reg, mask, val);
+ dapm_mux_update_power(widget, kcontrol, change, mux, e);
- if (widget->event_flags & SND_SOC_DAPM_POST_REG)
- ret = widget->event(widget,
- kcontrol, SND_SOC_DAPM_POST_REG);
+ widget->dapm->update = NULL;
-out:
mutex_unlock(&widget->codec->mutex);
- return ret;
+ return change;
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_put_enum_double);
@@ -1819,7 +1991,7 @@ int snd_soc_dapm_put_value_enum_double(struct snd_kcontrol *kcontrol,
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
unsigned int val, mux, change;
unsigned int mask;
- int ret = 0;
+ struct snd_soc_dapm_update update;
if (ucontrol->value.enumerated.item[0] > e->max - 1)
return -EINVAL;
@@ -1836,24 +2008,20 @@ int snd_soc_dapm_put_value_enum_double(struct snd_kcontrol *kcontrol,
mutex_lock(&widget->codec->mutex);
widget->value = val;
change = snd_soc_test_bits(widget->codec, e->reg, mask, val);
- dapm_mux_update_power(widget, kcontrol, change, mux, e);
- if (widget->event_flags & SND_SOC_DAPM_PRE_REG) {
- ret = widget->event(widget,
- kcontrol, SND_SOC_DAPM_PRE_REG);
- if (ret < 0)
- goto out;
- }
+ update.kcontrol = kcontrol;
+ update.widget = widget;
+ update.reg = e->reg;
+ update.mask = mask;
+ update.val = val;
+ widget->dapm->update = &update;
- ret = snd_soc_update_bits(widget->codec, e->reg, mask, val);
+ dapm_mux_update_power(widget, kcontrol, change, mux, e);
- if (widget->event_flags & SND_SOC_DAPM_POST_REG)
- ret = widget->event(widget,
- kcontrol, SND_SOC_DAPM_POST_REG);
+ widget->dapm->update = NULL;
-out:
mutex_unlock(&widget->codec->mutex);
- return ret;
+ return change;
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_put_value_enum_double);
@@ -1892,7 +2060,7 @@ int snd_soc_dapm_get_pin_switch(struct snd_kcontrol *kcontrol,
mutex_lock(&codec->mutex);
ucontrol->value.integer.value[0] =
- snd_soc_dapm_get_pin_status(codec, pin);
+ snd_soc_dapm_get_pin_status(&codec->dapm, pin);
mutex_unlock(&codec->mutex);
@@ -1915,11 +2083,11 @@ int snd_soc_dapm_put_pin_switch(struct snd_kcontrol *kcontrol,
mutex_lock(&codec->mutex);
if (ucontrol->value.integer.value[0])
- snd_soc_dapm_enable_pin(codec, pin);
+ snd_soc_dapm_enable_pin(&codec->dapm, pin);
else
- snd_soc_dapm_disable_pin(codec, pin);
+ snd_soc_dapm_disable_pin(&codec->dapm, pin);
- snd_soc_dapm_sync(codec);
+ snd_soc_dapm_sync(&codec->dapm);
mutex_unlock(&codec->mutex);
@@ -1929,26 +2097,43 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_put_pin_switch);
/**
* snd_soc_dapm_new_control - create new dapm control
- * @codec: audio codec
+ * @dapm: DAPM context
* @widget: widget template
*
* Creates a new dapm control based upon the template.
*
* Returns 0 for success else error.
*/
-int snd_soc_dapm_new_control(struct snd_soc_codec *codec,
+int 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;
if ((w = dapm_cnew_widget(widget)) == NULL)
return -ENOMEM;
- w->codec = codec;
+ name_len = strlen(widget->name) + 1;
+ if (dapm->codec->name_prefix)
+ name_len += 1 + strlen(dapm->codec->name_prefix);
+ w->name = kmalloc(name_len, GFP_KERNEL);
+ if (w->name == NULL) {
+ kfree(w);
+ return -ENOMEM;
+ }
+ if (dapm->codec->name_prefix)
+ snprintf(w->name, name_len, "%s %s",
+ dapm->codec->name_prefix, widget->name);
+ 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, &codec->dapm_widgets);
+ list_add(&w->list, &dapm->card->widgets);
/* machine layer set ups unconnected pins and insertions */
w->connected = 1;
@@ -1958,7 +2143,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_new_control);
/**
* snd_soc_dapm_new_controls - create new dapm controls
- * @codec: audio codec
+ * @dapm: DAPM context
* @widget: widget array
* @num: number of widgets
*
@@ -1966,18 +2151,18 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_new_control);
*
* Returns 0 for success else error.
*/
-int snd_soc_dapm_new_controls(struct snd_soc_codec *codec,
+int snd_soc_dapm_new_controls(struct snd_soc_dapm_context *dapm,
const struct snd_soc_dapm_widget *widget,
int num)
{
int i, ret;
for (i = 0; i < num; i++) {
- ret = snd_soc_dapm_new_control(codec, widget);
+ ret = snd_soc_dapm_new_control(dapm, widget);
if (ret < 0) {
- printk(KERN_ERR
- "ASoC: Failed to create DAPM control %s: %d\n",
- widget->name, ret);
+ dev_err(dapm->dev,
+ "ASoC: Failed to create DAPM control %s: %d\n",
+ widget->name, ret);
return ret;
}
widget++;
@@ -1986,34 +2171,17 @@ int snd_soc_dapm_new_controls(struct snd_soc_codec *codec,
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_new_controls);
-
-/**
- * snd_soc_dapm_stream_event - send a stream event to the dapm core
- * @codec: audio codec
- * @stream: stream name
- * @event: stream event
- *
- * Sends a stream event to the dapm core. The core then makes any
- * necessary widget power changes.
- *
- * Returns 0 for success else error.
- */
-int snd_soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd,
+static void soc_dapm_stream_event(struct snd_soc_dapm_context *dapm,
const char *stream, int event)
{
- struct snd_soc_codec *codec = rtd->codec;
struct snd_soc_dapm_widget *w;
- if (stream == NULL)
- return 0;
-
- mutex_lock(&codec->mutex);
- list_for_each_entry(w, &codec->dapm_widgets, list)
+ list_for_each_entry(w, &dapm->card->widgets, list)
{
- if (!w->sname)
+ if (!w->sname || w->dapm != dapm)
continue;
- pr_debug("widget %s\n %s stream %s event %d\n",
- w->name, w->sname, stream, event);
+ dev_dbg(w->dapm->dev, "widget %s\n %s stream %s event %d\n",
+ w->name, w->sname, stream, event);
if (strstr(w->sname, stream)) {
switch(event) {
case SND_SOC_DAPM_STREAM_START:
@@ -2031,7 +2199,30 @@ int snd_soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd,
}
}
- dapm_power_widgets(codec, event);
+ dapm_power_widgets(dapm, event);
+}
+
+/**
+ * snd_soc_dapm_stream_event - send a stream event to the dapm core
+ * @rtd: PCM runtime data
+ * @stream: stream name
+ * @event: stream event
+ *
+ * Sends a stream event to the dapm core. The core then makes any
+ * necessary widget power changes.
+ *
+ * Returns 0 for success else error.
+ */
+int snd_soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd,
+ const char *stream, int event)
+{
+ struct snd_soc_codec *codec = rtd->codec;
+
+ if (stream == NULL)
+ return 0;
+
+ mutex_lock(&codec->mutex);
+ soc_dapm_stream_event(&codec->dapm, stream, event);
mutex_unlock(&codec->mutex);
return 0;
}
@@ -2039,7 +2230,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_stream_event);
/**
* snd_soc_dapm_enable_pin - enable pin.
- * @codec: SoC codec
+ * @dapm: DAPM context
* @pin: pin name
*
* Enables input/output pin and its parents or children widgets iff there is
@@ -2047,15 +2238,15 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_stream_event);
* NOTE: snd_soc_dapm_sync() needs to be called after this for DAPM to
* do any widget power switching.
*/
-int snd_soc_dapm_enable_pin(struct snd_soc_codec *codec, const char *pin)
+int snd_soc_dapm_enable_pin(struct snd_soc_dapm_context *dapm, const char *pin)
{
- return snd_soc_dapm_set_pin(codec, pin, 1);
+ return snd_soc_dapm_set_pin(dapm, pin, 1);
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_enable_pin);
/**
* snd_soc_dapm_force_enable_pin - force a pin to be enabled
- * @codec: SoC codec
+ * @dapm: DAPM context
* @pin: pin name
*
* Enables input/output pin regardless of any other state. This is
@@ -2065,42 +2256,47 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_enable_pin);
* NOTE: snd_soc_dapm_sync() needs to be called after this for DAPM to
* do any widget power switching.
*/
-int snd_soc_dapm_force_enable_pin(struct snd_soc_codec *codec, const char *pin)
+int snd_soc_dapm_force_enable_pin(struct snd_soc_dapm_context *dapm,
+ const char *pin)
{
struct snd_soc_dapm_widget *w;
- list_for_each_entry(w, &codec->dapm_widgets, list) {
+ list_for_each_entry(w, &dapm->card->widgets, list) {
+ if (w->dapm != dapm)
+ continue;
if (!strcmp(w->name, pin)) {
- pr_debug("dapm: %s: pin %s\n", codec->name, pin);
+ dev_dbg(w->dapm->dev,
+ "dapm: force enable pin %s\n", pin);
w->connected = 1;
w->force = 1;
return 0;
}
}
- pr_err("dapm: %s: configuring unknown pin %s\n", codec->name, pin);
+ dev_err(dapm->dev, "dapm: unknown pin %s\n", pin);
return -EINVAL;
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_force_enable_pin);
/**
* snd_soc_dapm_disable_pin - disable pin.
- * @codec: SoC codec
+ * @dapm: DAPM context
* @pin: pin name
*
* Disables input/output pin and its parents or children widgets.
* NOTE: snd_soc_dapm_sync() needs to be called after this for DAPM to
* do any widget power switching.
*/
-int snd_soc_dapm_disable_pin(struct snd_soc_codec *codec, const char *pin)
+int snd_soc_dapm_disable_pin(struct snd_soc_dapm_context *dapm,
+ const char *pin)
{
- return snd_soc_dapm_set_pin(codec, pin, 0);
+ return snd_soc_dapm_set_pin(dapm, pin, 0);
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_disable_pin);
/**
* snd_soc_dapm_nc_pin - permanently disable pin.
- * @codec: SoC codec
+ * @dapm: DAPM context
* @pin: pin name
*
* Marks the specified pin as being not connected, disabling it along
@@ -2112,26 +2308,29 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_disable_pin);
* NOTE: snd_soc_dapm_sync() needs to be called after this for DAPM to
* do any widget power switching.
*/
-int snd_soc_dapm_nc_pin(struct snd_soc_codec *codec, const char *pin)
+int snd_soc_dapm_nc_pin(struct snd_soc_dapm_context *dapm, const char *pin)
{
- return snd_soc_dapm_set_pin(codec, pin, 0);
+ return snd_soc_dapm_set_pin(dapm, pin, 0);
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_nc_pin);
/**
* snd_soc_dapm_get_pin_status - get audio pin status
- * @codec: audio codec
+ * @dapm: DAPM context
* @pin: audio signal pin endpoint (or start point)
*
* Get audio pin status - connected or disconnected.
*
* Returns 1 for connected otherwise 0.
*/
-int snd_soc_dapm_get_pin_status(struct snd_soc_codec *codec, const char *pin)
+int snd_soc_dapm_get_pin_status(struct snd_soc_dapm_context *dapm,
+ const char *pin)
{
struct snd_soc_dapm_widget *w;
- list_for_each_entry(w, &codec->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;
}
@@ -2142,7 +2341,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_get_pin_status);
/**
* snd_soc_dapm_ignore_suspend - ignore suspend status for DAPM endpoint
- * @codec: audio codec
+ * @dapm: DAPM context
* @pin: audio signal pin endpoint (or start point)
*
* Mark the given endpoint or pin as ignoring suspend. When the
@@ -2151,18 +2350,21 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_get_pin_status);
* normal means at suspend time, it will not be turned on if it was not
* already enabled.
*/
-int snd_soc_dapm_ignore_suspend(struct snd_soc_codec *codec, const char *pin)
+int snd_soc_dapm_ignore_suspend(struct snd_soc_dapm_context *dapm,
+ const char *pin)
{
struct snd_soc_dapm_widget *w;
- list_for_each_entry(w, &codec->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;
}
}
- pr_err("Unknown DAPM pin: %s\n", pin);
+ dev_err(dapm->dev, "dapm: unknown pin %s\n", pin);
return -EINVAL;
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_ignore_suspend);
@@ -2173,20 +2375,23 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_ignore_suspend);
*
* Free all dapm widgets and resources.
*/
-void snd_soc_dapm_free(struct snd_soc_codec *codec)
+void snd_soc_dapm_free(struct snd_soc_dapm_context *dapm)
{
- snd_soc_dapm_sys_remove(codec->dev);
- dapm_free_widgets(codec);
+ snd_soc_dapm_sys_remove(dapm->dev);
+ dapm_free_widgets(dapm);
+ list_del(&dapm->list);
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_free);
-static void soc_dapm_shutdown_codec(struct snd_soc_codec *codec)
+static void soc_dapm_shutdown_codec(struct snd_soc_dapm_context *dapm)
{
struct snd_soc_dapm_widget *w;
LIST_HEAD(down_list);
int powerdown = 0;
- list_for_each_entry(w, &codec->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;
@@ -2198,9 +2403,9 @@ static void soc_dapm_shutdown_codec(struct snd_soc_codec *codec)
* standby.
*/
if (powerdown) {
- snd_soc_dapm_set_bias_level(NULL, codec, SND_SOC_BIAS_PREPARE);
- dapm_seq_run(codec, &down_list, 0, dapm_down_seq);
- snd_soc_dapm_set_bias_level(NULL, codec, SND_SOC_BIAS_STANDBY);
+ snd_soc_dapm_set_bias_level(NULL, dapm, SND_SOC_BIAS_PREPARE);
+ dapm_seq_run(dapm, &down_list, 0, dapm_down_seq);
+ snd_soc_dapm_set_bias_level(NULL, dapm, SND_SOC_BIAS_STANDBY);
}
}
@@ -2211,10 +2416,10 @@ void snd_soc_dapm_shutdown(struct snd_soc_card *card)
{
struct snd_soc_codec *codec;
- list_for_each_entry(codec, &card->codec_dev_list, list)
- soc_dapm_shutdown_codec(codec);
-
- snd_soc_dapm_set_bias_level(card, codec, SND_SOC_BIAS_OFF);
+ list_for_each_entry(codec, &card->codec_dev_list, list) {
+ soc_dapm_shutdown_codec(&codec->dapm);
+ snd_soc_dapm_set_bias_level(card, &codec->dapm, SND_SOC_BIAS_OFF);
+ }
}
/* Module information */
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-11-25 06:46:35 +0000