linux-kernel - [PATCH 5.0 21/95] ASoC: rt5682: fix jack type detection issue

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Date:   Thu,  9 May 2019 20:41:38 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Shuming Fan <shumingf@...ltek.com>,
        Mark Brown <broonie@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.0 21/95] ASoC: rt5682: fix jack type detection issue

[ Upstream commit 675212bfb23394514b7f68ebf3954ba936281ccc ]

The jack type detection needs the main bias power of analog.
The modification makes sure the main bias power on/off while jack plug/unplug.

Signed-off-by: Shuming Fan <shumingf@...ltek.com>
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 sound/soc/codecs/rt5682.c | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/sound/soc/codecs/rt5682.c b/sound/soc/codecs/rt5682.c
index 49ff5e52db584..9331c13d2017a 100644
--- a/sound/soc/codecs/rt5682.c
+++ b/sound/soc/codecs/rt5682.c
@@ -909,7 +909,8 @@ static int rt5682_headset_detect(struct snd_soc_component *component,
 	if (jack_insert) {
 
 		snd_soc_component_update_bits(component, RT5682_PWR_ANLG_1,
-			RT5682_PWR_VREF2, RT5682_PWR_VREF2);
+			RT5682_PWR_VREF2 | RT5682_PWR_MB,
+			RT5682_PWR_VREF2 | RT5682_PWR_MB);
 		snd_soc_component_update_bits(component,
 				RT5682_PWR_ANLG_1, RT5682_PWR_FV2, 0);
 		usleep_range(15000, 20000);
@@ -946,7 +947,7 @@ static int rt5682_headset_detect(struct snd_soc_component *component,
 		snd_soc_component_update_bits(component, RT5682_CBJ_CTRL_1,
 			RT5682_TRIG_JD_MASK, RT5682_TRIG_JD_LOW);
 		snd_soc_component_update_bits(component, RT5682_PWR_ANLG_1,
-			RT5682_PWR_VREF2, 0);
+			RT5682_PWR_VREF2 | RT5682_PWR_MB, 0);
 		snd_soc_component_update_bits(component, RT5682_PWR_ANLG_3,
 			RT5682_PWR_CBJ, 0);
 
@@ -2295,16 +2296,13 @@ static int rt5682_set_bias_level(struct snd_soc_component *component,
 	switch (level) {
 	case SND_SOC_BIAS_PREPARE:
 		regmap_update_bits(rt5682->regmap, RT5682_PWR_ANLG_1,
-			RT5682_PWR_MB | RT5682_PWR_BG,
-			RT5682_PWR_MB | RT5682_PWR_BG);
+			RT5682_PWR_BG, RT5682_PWR_BG);
 		regmap_update_bits(rt5682->regmap, RT5682_PWR_DIG_1,
 			RT5682_DIG_GATE_CTRL | RT5682_PWR_LDO,
 			RT5682_DIG_GATE_CTRL | RT5682_PWR_LDO);
 		break;
 
 	case SND_SOC_BIAS_STANDBY:
-		regmap_update_bits(rt5682->regmap, RT5682_PWR_ANLG_1,
-			RT5682_PWR_MB, RT5682_PWR_MB);
 		regmap_update_bits(rt5682->regmap, RT5682_PWR_DIG_1,
 			RT5682_DIG_GATE_CTRL, RT5682_DIG_GATE_CTRL);
 		break;
@@ -2312,7 +2310,7 @@ static int rt5682_set_bias_level(struct snd_soc_component *component,
 		regmap_update_bits(rt5682->regmap, RT5682_PWR_DIG_1,
 			RT5682_DIG_GATE_CTRL | RT5682_PWR_LDO, 0);
 		regmap_update_bits(rt5682->regmap, RT5682_PWR_ANLG_1,
-			RT5682_PWR_MB | RT5682_PWR_BG, 0);
+			RT5682_PWR_BG, 0);
 		break;
 
 	default:
-- 
2.20.1