From bc0505bdfb85fc2eb8767c7eb5aec556e176cb41 Mon Sep 17 00:00:00 2001
From: Derek Fang <derek.fang@realtek.com>
Date: Mon, 28 Mar 2022 13:33:38 +0800
Subject: [PATCH] ASoC: rt5682s: Separate the regulator consumer controls
Git-commit: bc0505bdfb85fc2eb8767c7eb5aec556e176cb41
Patch-mainline: v5.19-rc1
References: jsc#PED-850

Control the regulators separately instead of using regulator_bulk to
accord to the timing request in the datasheet.

Signed-off-by: Derek Fang <derek.fang@realtek.com>
Link: https://lore.kernel.org/r/20220328053338.21441-1-derek.fang@realtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 sound/soc/codecs/rt5682s.c | 27 ++++++++++++++++++++++-----
 sound/soc/codecs/rt5682s.h |  6 +++++-
 2 files changed, 27 insertions(+), 6 deletions(-)

diff --git a/sound/soc/codecs/rt5682s.c b/sound/soc/codecs/rt5682s.c
index 1cba8ec7cedb..7e4ac6560dee 100644
--- a/sound/soc/codecs/rt5682s.c
+++ b/sound/soc/codecs/rt5682s.c
@@ -42,8 +42,8 @@ static const struct rt5682s_platform_data i2s_default_platform_data = {
 };
 
 static const char *rt5682s_supply_names[RT5682S_NUM_SUPPLIES] = {
-	"AVDD",
-	"MICVDD",
+	[RT5682S_SUPPLY_AVDD] = "AVDD",
+	[RT5682S_SUPPLY_MICVDD] = "MICVDD",
 };
 
 static const struct reg_sequence patch_list[] = {
@@ -3025,8 +3025,18 @@ static struct snd_soc_dai_driver rt5682s_dai[] = {
 static void rt5682s_i2c_disable_regulators(void *data)
 {
 	struct rt5682s_priv *rt5682s = data;
+	struct device *dev = regmap_get_device(rt5682s->regmap);
+	int ret;
+
+	ret = regulator_disable(rt5682s->supplies[RT5682S_SUPPLY_AVDD].consumer);
+	if (ret)
+		dev_err(dev, "Failed to disable supply AVDD: %d\n", ret);
 
-	regulator_bulk_disable(ARRAY_SIZE(rt5682s->supplies), rt5682s->supplies);
+	usleep_range(1000, 1500);
+
+	ret = regulator_disable(rt5682s->supplies[RT5682S_SUPPLY_MICVDD].consumer);
+	if (ret)
+		dev_err(dev, "Failed to disable supply MICVDD: %d\n", ret);
 }
 
 static int rt5682s_i2c_probe(struct i2c_client *i2c,
@@ -3071,9 +3081,16 @@ static int rt5682s_i2c_probe(struct i2c_client *i2c,
 	if (ret)
 		return ret;
 
-	ret = regulator_bulk_enable(ARRAY_SIZE(rt5682s->supplies), rt5682s->supplies);
+	ret = regulator_enable(rt5682s->supplies[RT5682S_SUPPLY_MICVDD].consumer);
+	if (ret) {
+		dev_err(&i2c->dev, "Failed to enable supply MICVDD: %d\n", ret);
+		return ret;
+	}
+	usleep_range(1000, 1500);
+
+	ret = regulator_enable(rt5682s->supplies[RT5682S_SUPPLY_AVDD].consumer);
 	if (ret) {
-		dev_err(&i2c->dev, "Failed to enable supplies: %d\n", ret);
+		dev_err(&i2c->dev, "Failed to enable supply AVDD: %d\n", ret);
 		return ret;
 	}
 
diff --git a/sound/soc/codecs/rt5682s.h b/sound/soc/codecs/rt5682s.h
index 397a2531b6f6..7353831c73dd 100644
--- a/sound/soc/codecs/rt5682s.h
+++ b/sound/soc/codecs/rt5682s.h
@@ -1434,7 +1434,11 @@ struct pll_calc_map {
 	bool sel_ps;
 };
 
-#define RT5682S_NUM_SUPPLIES 2
+enum {
+	RT5682S_SUPPLY_AVDD,
+	RT5682S_SUPPLY_MICVDD,
+	RT5682S_NUM_SUPPLIES,
+};
 
 struct rt5682s_priv {
 	struct snd_soc_component *component;
-- 
2.35.3