From: Oder Chiou <oder_chiou@realtek.com>
Date: Wed, 25 Feb 2015 09:36:14 +0000 (+0800)
Subject: ASoC: rt5677: Keep the LDO2 powered while used in the suspend mode
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=cbca4076d156c93cedadabb0e463ba0db16bb166;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

ASoC: rt5677: Keep the LDO2 powered while used in the suspend mode

The patch keeps the ldo2 power while the DSP function of "Voice Wake Up" used
in the suspend mode.

Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
---

diff --git a/sound/soc/codecs/rt5677.c b/sound/soc/codecs/rt5677.c
index ab62777dbd33..5ff7ffaec5cc 100644
--- a/sound/soc/codecs/rt5677.c
+++ b/sound/soc/codecs/rt5677.c
@@ -4513,10 +4513,10 @@ static int rt5677_suspend(struct snd_soc_codec *codec)
 	if (!rt5677->dsp_vad_en) {
 		regcache_cache_only(rt5677->regmap, true);
 		regcache_mark_dirty(rt5677->regmap);
-	}
 
-	if (gpio_is_valid(rt5677->pow_ldo2))
-		gpio_set_value_cansleep(rt5677->pow_ldo2, 0);
+		if (gpio_is_valid(rt5677->pow_ldo2))
+			gpio_set_value_cansleep(rt5677->pow_ldo2, 0);
+	}
 
 	return 0;
 }
@@ -4525,12 +4525,12 @@ static int rt5677_resume(struct snd_soc_codec *codec)
 {
 	struct rt5677_priv *rt5677 = snd_soc_codec_get_drvdata(codec);
 
-	if (gpio_is_valid(rt5677->pow_ldo2)) {
-		gpio_set_value_cansleep(rt5677->pow_ldo2, 1);
-		msleep(10);
-	}
-
 	if (!rt5677->dsp_vad_en) {
+		if (gpio_is_valid(rt5677->pow_ldo2)) {
+			gpio_set_value_cansleep(rt5677->pow_ldo2, 1);
+			msleep(10);
+		}
+
 		regcache_cache_only(rt5677->regmap, false);
 		regcache_sync(rt5677->regmap);
 	}