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path: root/drivers/hwmon/adm1029.c
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Diffstat (limited to 'drivers/hwmon/adm1029.c')
-rw-r--r--drivers/hwmon/adm1029.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/hwmon/adm1029.c b/drivers/hwmon/adm1029.c
index ba84ca5923f..36718150b47 100644
--- a/drivers/hwmon/adm1029.c
+++ b/drivers/hwmon/adm1029.c
@@ -179,7 +179,8 @@ show_fan(struct device *dev, struct device_attribute *devattr, char *buf)
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct adm1029_data *data = adm1029_update_device(dev);
u16 val;
- if (data->fan[attr->index] == 0 || data->fan_div[attr->index] == 0
+ if (data->fan[attr->index] == 0
+ || (data->fan_div[attr->index] & 0xC0) == 0
|| data->fan[attr->index] == 255) {
return sprintf(buf, "0\n");
}
@@ -194,7 +195,7 @@ show_fan_div(struct device *dev, struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct adm1029_data *data = adm1029_update_device(dev);
- if (data->fan_div[attr->index] == 0)
+ if ((data->fan_div[attr->index] & 0xC0) == 0)
return sprintf(buf, "0\n");
return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[attr->index]));
}