linux-kernel - [PATCH v1 3/6] ASoC: sgtl5000: Fix of unmute outputs on probe

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Date:   Tue, 21 May 2019 13:36:16 +0300
From:   Oleksandr Suvorov <oleksandr.suvorov@...adex.com>
To:     Fabio Estevam <festevam@...il.com>
Cc:     linux-kernel@...r.kernel.org, alsa-devel@...a-project.org,
        Marcel Ziswiler <marcel.ziswiler@...adex.com>,
        Igor Opaniuk <igor.opaniuk@...adex.com>,
        Oleksandr Suvorov <oleksandr.suvorov@...adex.com>
Subject: [PATCH v1 3/6] ASoC: sgtl5000: Fix of unmute outputs on probe

To enable "zero cross detect" for ADC/HP, change
HP_ZCD_EN/ADC_ZCD_EN bits only instead of writing the whole
CHIP_ANA_CTRL register.

Signed-off-by: Oleksandr Suvorov <oleksandr.suvorov@...adex.com>
---

 sound/soc/codecs/sgtl5000.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git sound/soc/codecs/sgtl5000.c sound/soc/codecs/sgtl5000.c
index bb58c997c691..e813a37910af 100644
--- sound/soc/codecs/sgtl5000.c
+++ sound/soc/codecs/sgtl5000.c
@@ -1289,6 +1289,7 @@ static int sgtl5000_probe(struct snd_soc_component *component)
 	int ret;
 	u16 reg;
 	struct sgtl5000_priv *sgtl5000 = snd_soc_component_get_drvdata(component);
+	unsigned int zcd_mask = SGTL5000_HP_ZCD_EN | SGTL5000_ADC_ZCD_EN;

 	/* power up sgtl5000 */
 	ret = sgtl5000_set_power_regs(component);
@@ -1316,9 +1317,8 @@ static int sgtl5000_probe(struct snd_soc_component *component)
 	       0x1f);
 	snd_soc_component_write(component, SGTL5000_CHIP_PAD_STRENGTH, reg);

-	snd_soc_component_write(component, SGTL5000_CHIP_ANA_CTRL,
-			SGTL5000_HP_ZCD_EN |
-			SGTL5000_ADC_ZCD_EN);
+	snd_soc_component_update_bits(component, SGTL5000_CHIP_ANA_CTRL,
+		zcd_mask, zcd_mask);

 	snd_soc_component_update_bits(component, SGTL5000_CHIP_MIC_CTRL,
 			SGTL5000_BIAS_R_MASK,
-- 
2.20.1

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