[alsa-devel] [PATCH 1/2] ASoC: rt5682: fix jack type detection issue

shumingf at realtek.com shumingf at realtek.com
Mon Mar 18 08:17:13 CET 2019


From: Shuming Fan <shumingf at realtek.com>

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 at realtek.com>
---
 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 b7e2e9937e6d..b98974edf6ad 100644
--- a/sound/soc/codecs/rt5682.c
+++ b/sound/soc/codecs/rt5682.c
@@ -915,7 +915,8 @@ 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);
@@ -952,7 +953,7 @@ 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);
 
@@ -2301,16 +2302,13 @@ 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;
@@ -2318,7 +2316,7 @@ 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:
-- 
2.21.0



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