linux-kernel - [PATCH] hwmon: (adt7475) Fix default duty on fan is disabled

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Message-Id: <20240701073252.317397-1-chineweff@gmail.com>
Date: Mon,  1 Jul 2024 15:32:52 +0800
From: Wayne Tung <chineweff@...il.com>
To: jdelvare@...e.com,
	linux@...ck-us.net
Cc: linux-hwmon@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Wayne Tung <chineweff@...il.com>
Subject: [PATCH] hwmon: (adt7475) Fix default duty on fan is disabled

According to the comments on fan is disabled, we change to manual mode
and set the duty cycle to 0.
For setting the duty cycle part, the register is wrong. Fix it.

Signed-off-by: Wayne Tung <chineweff@...il.com>
---
 drivers/hwmon/adt7475.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/hwmon/adt7475.c b/drivers/hwmon/adt7475.c
index 4224ffb30483..ec3336804720 100644
--- a/drivers/hwmon/adt7475.c
+++ b/drivers/hwmon/adt7475.c
@@ -1900,7 +1900,7 @@ static void adt7475_read_pwm(struct i2c_client *client, int index)
 		data->pwm[CONTROL][index] &= ~0xE0;
 		data->pwm[CONTROL][index] |= (7 << 5);
 
-		i2c_smbus_write_byte_data(client, PWM_CONFIG_REG(index),
+		i2c_smbus_write_byte_data(client, PWM_REG(index),
 					  data->pwm[INPUT][index]);
 
 		i2c_smbus_write_byte_data(client, PWM_CONFIG_REG(index),
-- 
2.34.1