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-rw-r--r--include/sound/soc-dapm.h1
-rw-r--r--sound/soc/soc-core.c8
-rw-r--r--sound/soc/soc-dapm.c22
3 files changed, 31 insertions, 0 deletions
diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h
index 0a1553748d65..07e2510619a1 100644
--- a/include/sound/soc-dapm.h
+++ b/include/sound/soc-dapm.h
@@ -412,6 +412,7 @@ void snd_soc_dapm_auto_nc_codec_pins(struct snd_soc_codec *codec);
/* Mostly internal - should not normally be used */
void dapm_mark_dirty(struct snd_soc_dapm_widget *w, const char *reason);
+void dapm_mark_io_dirty(struct snd_soc_dapm_context *dapm);
/* dapm path query */
int snd_soc_dapm_dai_get_connected_widgets(struct snd_soc_dai *dai, int stream,
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index b95d1fb388a1..ad65459da28e 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -609,6 +609,10 @@ int snd_soc_suspend(struct device *dev)
SND_SOC_DAPM_STREAM_SUSPEND);
}
+ /* Recheck all analogue paths too */
+ dapm_mark_io_dirty(&card->dapm);
+ snd_soc_dapm_sync(&card->dapm);
+
/* suspend all CODECs */
list_for_each_entry(codec, &card->codec_dev_list, card_list) {
/* If there are paths active then the CODEC will be held with
@@ -756,6 +760,10 @@ static void soc_resume_deferred(struct work_struct *work)
/* userspace can access us now we are back as we were before */
snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D0);
+
+ /* Recheck all analogue paths too */
+ dapm_mark_io_dirty(&card->dapm);
+ snd_soc_dapm_sync(&card->dapm);
}
/* powers up audio subsystem after a suspend */
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index dd7c49fafd75..f7999e949acb 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -141,6 +141,28 @@ void dapm_mark_dirty(struct snd_soc_dapm_widget *w, const char *reason)
}
EXPORT_SYMBOL_GPL(dapm_mark_dirty);
+void dapm_mark_io_dirty(struct snd_soc_dapm_context *dapm)
+{
+ struct snd_soc_card *card = dapm->card;
+ struct snd_soc_dapm_widget *w;
+
+ mutex_lock(&card->dapm_mutex);
+
+ list_for_each_entry(w, &card->widgets, list) {
+ switch (w->id) {
+ case snd_soc_dapm_input:
+ case snd_soc_dapm_output:
+ dapm_mark_dirty(w, "Rechecking inputs and outputs");
+ break;
+ default:
+ break;
+ }
+ }
+
+ mutex_unlock(&card->dapm_mutex);
+}
+EXPORT_SYMBOL_GPL(dapm_mark_io_dirty);
+
/* create a new dapm widget */
static inline struct snd_soc_dapm_widget *dapm_cnew_widget(
const struct snd_soc_dapm_widget *_widget)