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path: root/drivers/hwmon/f75375s.c
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Diffstat (limited to 'drivers/hwmon/f75375s.c')
-rw-r--r--drivers/hwmon/f75375s.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/hwmon/f75375s.c b/drivers/hwmon/f75375s.c
index 9c3f078e263b..35b570e56ff0 100644
--- a/drivers/hwmon/f75375s.c
+++ b/drivers/hwmon/f75375s.c
@@ -372,6 +372,10 @@ static ssize_t set_pwm_mode(struct device *dev, struct device_attribute *attr,
if (!(val == 0 || val == 1))
return -EINVAL;
+ /* F75373 does not support DC (linear voltage) fan control mode */
+ if (data->kind == f75373 && val == 0)
+ return -EINVAL;
+
mutex_lock(&data->update_lock);
conf = f75375_read8(client, F75375_REG_CONFIG1);
conf &= ~(1 << FAN_CTRL_LINEAR(nr));