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-rw-r--r--sound/soc/soc-core.c17
1 files changed, 12 insertions, 5 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 57de6a7d7ffa..3d8cff629a18 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -637,7 +637,7 @@ int snd_soc_suspend(struct device *dev)
list_for_each_entry(codec, &card->codec_dev_list, card_list) {
/* If there are paths active then the CODEC will be held with
* bias _ON and should not be suspended. */
- if (!codec->suspended && codec->driver->suspend) {
+ if (!codec->suspended) {
switch (codec->dapm.bias_level) {
case SND_SOC_BIAS_STANDBY:
/*
@@ -651,8 +651,10 @@ int snd_soc_suspend(struct device *dev)
"ASoC: idle_bias_off CODEC on over suspend\n");
break;
}
+
case SND_SOC_BIAS_OFF:
- codec->driver->suspend(codec);
+ if (codec->driver->suspend)
+ codec->driver->suspend(codec);
codec->suspended = 1;
codec->cache_sync = 1;
if (codec->component.regmap)
@@ -726,11 +728,12 @@ static void soc_resume_deferred(struct work_struct *work)
* left with bias OFF or STANDBY and suspended so we must now
* resume. Otherwise the suspend was suppressed.
*/
- if (codec->driver->resume && codec->suspended) {
+ if (codec->suspended) {
switch (codec->dapm.bias_level) {
case SND_SOC_BIAS_STANDBY:
case SND_SOC_BIAS_OFF:
- codec->driver->resume(codec);
+ if (codec->driver->resume)
+ codec->driver->resume(codec);
codec->suspended = 0;
break;
default:
@@ -3773,8 +3776,11 @@ EXPORT_SYMBOL_GPL(snd_soc_register_card);
*/
int snd_soc_unregister_card(struct snd_soc_card *card)
{
- if (card->instantiated)
+ if (card->instantiated) {
+ card->instantiated = false;
+ snd_soc_dapm_shutdown(card);
soc_cleanup_card_resources(card);
+ }
dev_dbg(card->dev, "ASoC: Unregistered card '%s'\n", card->name);
return 0;
@@ -4348,6 +4354,7 @@ int snd_soc_register_codec(struct device *dev,
codec->component.read = snd_soc_codec_drv_read;
codec->component.ignore_pmdown_time = codec_drv->ignore_pmdown_time;
codec->dapm.idle_bias_off = codec_drv->idle_bias_off;
+ codec->dapm.suspend_bias_off = codec_drv->suspend_bias_off;
if (codec_drv->seq_notifier)
codec->dapm.seq_notifier = codec_drv->seq_notifier;
if (codec_drv->set_bias_level)