linux-kernel - [PATCH 6/7] ASoC: rt5677: Reset the codec during probing

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Message-ID: <20260211002255.4090440-7-jekhor@gmail.com>
Date: Wed, 11 Feb 2026 02:18:38 +0200
From: Yauhen Kharuzhy <jekhor@...il.com>
To: Oder Chiou <oder_chiou@...ltek.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>
Cc: Jaroslav Kysela <perex@...ex.cz>,
	Takashi Iwai <tiwai@...e.com>,
	linux-sound@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Hans de Goede <hansg@...nel.org>,
	Yauhen Kharuzhy <jekhor@...il.com>
Subject: [PATCH 6/7] ASoC: rt5677: Reset the codec during probing

To ensure that the codec is in a known state, reset it during driver
initialization.

Signed-off-by: Yauhen Kharuzhy <jekhor@...il.com>
---
 sound/soc/codecs/rt5677.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/sound/soc/codecs/rt5677.c b/sound/soc/codecs/rt5677.c
index f56ac267f53b..60a93c3fe2e7 100644
--- a/sound/soc/codecs/rt5677.c
+++ b/sound/soc/codecs/rt5677.c
@@ -5581,14 +5581,21 @@ static int rt5677_i2c_probe(struct i2c_client *i2c)
 		dev_err(&i2c->dev, "Failed to request POW_LDO2: %d\n", ret);
 		return ret;
 	}
+
 	rt5677->reset_pin = devm_gpiod_get_optional(&i2c->dev,
-			"realtek,reset", GPIOD_OUT_LOW);
+			"realtek,reset", GPIOD_OUT_HIGH);
+
 	if (IS_ERR(rt5677->reset_pin)) {
 		ret = PTR_ERR(rt5677->reset_pin);
 		dev_err(&i2c->dev, "Failed to request RESET: %d\n", ret);
 		return ret;
 	}
 
+	if (rt5677->reset_pin) {
+		msleep(1);
+		gpiod_set_value_cansleep(rt5677->reset_pin, 0);
+	}
+
 	if (rt5677->pow_ldo2 || rt5677->reset_pin) {
 		/* Wait a while until I2C bus becomes available. The datasheet
 		 * does not specify the exact we should wait but startup
-- 
2.51.0