This is a note to let you know that I've just added the patch titled
hwmon: (adt7475) Fix default duty on fan is disabled
to the 4.19-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
hwmon-adt7475-fix-default-duty-on-fan-is-disabled.patch
and it can be found in the queue-4.19 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit e29edfc222bb109ffa2ff26ff690c430a4256c53
Author: Wayne Tung <chineweff@xxxxxxxxx>
Date: Mon Jul 1 15:32:52 2024 +0800
hwmon: (adt7475) Fix default duty on fan is disabled
[ Upstream commit 39b24cced70fdc336dbc0070f8b3bde61d8513a8 ]
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.
Fixes: 1c301fc5394f ("hwmon: Add a driver for the ADT7475 hardware monitoring chip")
Signed-off-by: Wayne Tung <chineweff@xxxxxxxxx>
Link: https://lore.kernel.org/r/20240701073252.317397-1-chineweff@xxxxxxxxx
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/hwmon/adt7475.c b/drivers/hwmon/adt7475.c
index 2db2665dcd4dc..6406520f39150 100644
--- a/drivers/hwmon/adt7475.c
+++ b/drivers/hwmon/adt7475.c
@@ -1785,7 +1785,7 @@ 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),
