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-rw-r--r--include/sound/soc-dapm.h2
-rw-r--r--sound/soc/soc-dapm.c16
2 files changed, 18 insertions, 0 deletions
diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h
index d460902..f4f85dd 100644
--- a/include/sound/soc-dapm.h
+++ b/include/sound/soc-dapm.h
@@ -311,6 +311,8 @@ struct device;
#define SND_SOC_DAPM_POST_PMD 0x8 /* after widget power down */
#define SND_SOC_DAPM_PRE_REG 0x10 /* before audio path setup */
#define SND_SOC_DAPM_POST_REG 0x20 /* after audio path setup */
+#define SND_SOC_DAPM_WILL_PMU 0x40 /* called at start of sequence */
+#define SND_SOC_DAPM_WILL_PMD 0x80 /* called at start of sequence */
#define SND_SOC_DAPM_PRE_POST_PMD \
(SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD)
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index a80c883..e4e5420 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -1277,6 +1277,14 @@ static void dapm_seq_check_event(struct snd_soc_dapm_context *dapm,
ev_name = "POST_PMD";
power = 0;
break;
+ case SND_SOC_DAPM_WILL_PMU:
+ ev_name = "WILL_PMU";
+ power = 1;
+ break;
+ case SND_SOC_DAPM_WILL_PMD:
+ ev_name = "WILL_PMD";
+ power = 0;
+ break;
default:
BUG();
return;
@@ -1737,6 +1745,14 @@ static int dapm_power_widgets(struct snd_soc_dapm_context *dapm, int event)
&async_domain);
async_synchronize_full_domain(&async_domain);
+ list_for_each_entry(w, &down_list, list) {
+ dapm_seq_check_event(dapm, w, SND_SOC_DAPM_WILL_PMD);
+ }
+
+ list_for_each_entry(w, &up_list, list) {
+ dapm_seq_check_event(dapm, w, SND_SOC_DAPM_WILL_PMU);
+ }
+
/* Power down widgets first; try to avoid amplifying pops. */
dapm_seq_run(dapm, &down_list, event, false);
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