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Diffstat (limited to 'sound/soc/soc-core.c')
-rw-r--r--sound/soc/soc-core.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index b38e0ee622df..1a4e97773c71 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -662,6 +662,8 @@ int snd_soc_suspend(struct device *dev)
codec->cache_sync = 1;
if (codec->using_regmap)
regcache_mark_dirty(codec->control_data);
+ /* deactivate pins to sleep state */
+ pinctrl_pm_select_sleep_state(codec->dev);
break;
default:
dev_dbg(codec->dev,
@@ -679,6 +681,9 @@ int snd_soc_suspend(struct device *dev)
if (cpu_dai->driver->suspend && cpu_dai->driver->ac97_control)
cpu_dai->driver->suspend(cpu_dai);
+
+ /* deactivate pins to sleep state */
+ pinctrl_pm_select_sleep_state(cpu_dai->dev);
}
if (card->suspend_post)
@@ -807,6 +812,16 @@ int snd_soc_resume(struct device *dev)
if (list_empty(&card->codec_dev_list))
return 0;
+ /* activate pins from sleep state */
+ for (i = 0; i < card->num_rtd; i++) {
+ struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
+ struct snd_soc_dai *codec_dai = card->rtd[i].codec_dai;
+ if (cpu_dai->active)
+ pinctrl_pm_select_default_state(cpu_dai->dev);
+ if (codec_dai->active)
+ pinctrl_pm_select_default_state(codec_dai->dev);
+ }
+
/* AC97 devices might have other drivers hanging off them so
* need to resume immediately. Other drivers don't have that
* problem and may take a substantial amount of time to resume
@@ -1930,6 +1945,14 @@ int snd_soc_poweroff(struct device *dev)
snd_soc_dapm_shutdown(card);
+ /* deactivate pins to sleep state */
+ for (i = 0; i < card->num_rtd; i++) {
+ struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
+ struct snd_soc_dai *codec_dai = card->rtd[i].codec_dai;
+ pinctrl_pm_select_sleep_state(codec_dai->dev);
+ pinctrl_pm_select_sleep_state(cpu_dai->dev);
+ }
+
return 0;
}
EXPORT_SYMBOL_GPL(snd_soc_poweroff);
@@ -3752,6 +3775,16 @@ int snd_soc_register_card(struct snd_soc_card *card)
if (ret != 0)
soc_cleanup_card_debugfs(card);
+ /* deactivate pins to sleep state */
+ for (i = 0; i < card->num_rtd; i++) {
+ struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
+ struct snd_soc_dai *codec_dai = card->rtd[i].codec_dai;
+ if (!codec_dai->active)
+ pinctrl_pm_select_sleep_state(codec_dai->dev);
+ if (!cpu_dai->active)
+ pinctrl_pm_select_sleep_state(cpu_dai->dev);
+ }
+
return ret;
}
EXPORT_SYMBOL_GPL(snd_soc_register_card);