#include <sound/soc-dapm.h>
#include <sound/initval.h>
-/* debug */
-#ifdef DEBUG
-#define dump_dapm(codec, action) dbg_dump_dapm(codec, action)
-#else
-#define dump_dapm(codec, action)
-#endif
-
/* dapm power sequences - make this per codec in the future */
static int dapm_up_seq[] = {
[snd_soc_dapm_pre] = 0,
struct snd_soc_dapm_widget *b,
int sort[])
{
+ if (a->codec != b->codec)
+ return (unsigned long)a - (unsigned long)b;
if (sort[a->id] != sort[b->id])
return sort[a->id] - sort[b->id];
if (a->reg != b->reg)
sys_power = 0;
break;
case SND_SOC_DAPM_STREAM_NOP:
- sys_power = codec->bias_level != SND_SOC_BIAS_STANDBY;
+ switch (codec->bias_level) {
+ case SND_SOC_BIAS_STANDBY:
+ case SND_SOC_BIAS_OFF:
+ sys_power = 0;
+ break;
+ default:
+ sys_power = 1;
+ break;
+ }
break;
default:
break;
}
}
+ if (sys_power && codec->bias_level == SND_SOC_BIAS_OFF) {
+ ret = snd_soc_dapm_set_bias_level(socdev,
+ SND_SOC_BIAS_STANDBY);
+ if (ret != 0)
+ pr_err("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)) {
pr_err("Failed to apply standby 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(socdev, 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 (codec->bias_level == SND_SOC_BIAS_PREPARE && sys_power) {
ret = snd_soc_dapm_set_bias_level(socdev,
return 0;
}
-#ifdef DEBUG
-static void dbg_dump_dapm(struct snd_soc_codec* codec, const char *action)
-{
- struct snd_soc_dapm_widget *w;
- struct snd_soc_dapm_path *p = NULL;
- int in, out;
-
- printk("DAPM %s %s\n", codec->name, action);
-
- list_for_each_entry(w, &codec->dapm_widgets, list) {
-
- /* only display widgets that effect routing */
- switch (w->id) {
- case snd_soc_dapm_pre:
- case snd_soc_dapm_post:
- case snd_soc_dapm_vmid:
- continue;
- case snd_soc_dapm_mux:
- case snd_soc_dapm_value_mux:
- case snd_soc_dapm_output:
- case snd_soc_dapm_input:
- case snd_soc_dapm_switch:
- case snd_soc_dapm_hp:
- case snd_soc_dapm_mic:
- case snd_soc_dapm_spk:
- case snd_soc_dapm_line:
- case snd_soc_dapm_micbias:
- case snd_soc_dapm_dac:
- case snd_soc_dapm_adc:
- case snd_soc_dapm_pga:
- case snd_soc_dapm_mixer:
- case snd_soc_dapm_mixer_named_ctl:
- case snd_soc_dapm_supply:
- case snd_soc_dapm_aif_in:
- case snd_soc_dapm_aif_out:
- if (w->name) {
- in = is_connected_input_ep(w);
- dapm_clear_walk(w->codec);
- out = is_connected_output_ep(w);
- dapm_clear_walk(w->codec);
- printk("%s: %s in %d out %d\n", w->name,
- w->power ? "On":"Off",in, out);
-
- list_for_each_entry(p, &w->sources, list_sink) {
- if (p->connect)
- printk(" in %s %s\n", p->name ? p->name : "static",
- p->source->name);
- }
- list_for_each_entry(p, &w->sinks, list_source) {
- if (p->connect)
- printk(" out %s %s\n", p->name ? p->name : "static",
- p->sink->name);
- }
- }
- break;
- }
- }
-}
-#endif
-
#ifdef CONFIG_DEBUG_FS
static int dapm_widget_power_open_file(struct inode *inode, struct file *file)
{
path->connect = 0; /* old connection must be powered down */
}
- if (found) {
+ if (found)
dapm_power_widgets(widget->codec, SND_SOC_DAPM_STREAM_NOP);
- dump_dapm(widget->codec, "mux power update");
- }
return 0;
}
/* test and update the power status of a mixer or switch widget */
static int dapm_mixer_update_power(struct snd_soc_dapm_widget *widget,
- struct snd_kcontrol *kcontrol, int reg,
- int val_mask, int val, int invert)
+ struct snd_kcontrol *kcontrol, int connect)
{
struct snd_soc_dapm_path *path;
int found = 0;
widget->id != snd_soc_dapm_switch)
return -ENODEV;
- if (!snd_soc_test_bits(widget->codec, reg, val_mask, val))
- return 0;
-
/* find dapm widget path assoc with kcontrol */
list_for_each_entry(path, &widget->codec->dapm_paths, list) {
if (path->kcontrol != kcontrol)
/* found, now check type */
found = 1;
- if (val)
- /* new connection */
- path->connect = invert ? 0:1;
- else
- /* old connection must be powered down */
- path->connect = invert ? 1:0;
+ path->connect = connect;
break;
}
- if (found) {
+ if (found)
dapm_power_widgets(widget->codec, SND_SOC_DAPM_STREAM_NOP);
- dump_dapm(widget->codec, "mixer power update");
- }
return 0;
}
*/
int snd_soc_dapm_sync(struct snd_soc_codec *codec)
{
- int ret = dapm_power_widgets(codec, SND_SOC_DAPM_STREAM_NOP);
- dump_dapm(codec, "sync");
- return ret;
+ return dapm_power_widgets(codec, SND_SOC_DAPM_STREAM_NOP);
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_sync);
unsigned int mask = (1 << fls(max)) - 1;
unsigned int invert = mc->invert;
unsigned int val, val2, val_mask;
+ int connect;
int ret;
val = (ucontrol->value.integer.value[0] & mask);
return 1;
}
- dapm_mixer_update_power(widget, kcontrol, reg, val_mask, val, invert);
+ if (snd_soc_test_bits(widget->codec, reg, val_mask, val)) {
+ if (val)
+ /* new connection */
+ connect = invert ? 0:1;
+ else
+ /* old connection must be powered down */
+ connect = invert ? 1:0;
+
+ dapm_mixer_update_power(widget, kcontrol, connect);
+ }
+
if (widget->event) {
if (widget->event_flags & SND_SOC_DAPM_PRE_REG) {
ret = widget->event(widget, kcontrol,
dapm_power_widgets(codec, event);
mutex_unlock(&codec->mutex);
- dump_dapm(codec, __func__);
return 0;
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_stream_event);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff