Default: 0 in all normal use cases
Test: Raises to 1 if all FANs are in automatic mode and below threshold
---
Signed-off-by: Adrian DC <radian.dc@xxxxxxxxx>
---
drivers/hwmon/adt7470.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/drivers/hwmon/adt7470.c b/drivers/hwmon/adt7470.c
index afb881385dbb..1ec4c0807053 100644
--- a/drivers/hwmon/adt7470.c
+++ b/drivers/hwmon/adt7470.c
@@ -54,6 +54,7 @@ static const unsigned short normal_i2c[] = { 0x2C, 0x2E, 0x2F, I2C_CLIENT_END };
#define ADT7470_R8T_ALARM 0x01
#define ADT7470_R9T_ALARM 0x02
#define ADT7470_R10T_ALARM 0x04
+#define ADT7470_NORM_ALARM 0x08
#define ADT7470_FAN1_ALARM 0x10
#define ADT7470_FAN2_ALARM 0x20
#define ADT7470_FAN3_ALARM 0x40
@@ -533,6 +534,18 @@ static ssize_t num_temp_sensors_store(struct device *dev,
return count;
}
+static ssize_t temp_fan_norm_alarm_show(struct device *dev,
+ struct device_attribute *devattr,
+ char *buf)
+{
+ struct adt7470_data *data = adt7470_update_device(dev);
+
+ if (IS_ERR(data))
+ return PTR_ERR(data);
+
+ return sprintf(buf, "%d\n", !!(data->alarm & (ADT7470_NORM_ALARM << 8)));
+}
+
static int adt7470_temp_read(struct device *dev, u32 attr, int channel, long *val)
{
struct adt7470_data *data = adt7470_update_device(dev);
@@ -1080,6 +1093,7 @@ static ssize_t pwm_auto_temp_store(struct device *dev,
static DEVICE_ATTR_RW(alarm_mask);
static DEVICE_ATTR_RW(num_temp_sensors);
static DEVICE_ATTR_RW(auto_update_interval);
+static DEVICE_ATTR_RO(temp_fan_norm_alarm);
static SENSOR_DEVICE_ATTR_RW(force_pwm_max, force_pwm_max, 0);
@@ -1112,6 +1126,7 @@ static struct attribute *adt7470_attrs[] = {
&dev_attr_alarm_mask.attr,
&dev_attr_num_temp_sensors.attr,
&dev_attr_auto_update_interval.attr,
+ &dev_attr_temp_fan_norm_alarm.attr,
&sensor_dev_attr_force_pwm_max.dev_attr.attr,
&sensor_dev_attr_pwm1_auto_point1_pwm.dev_attr.attr,
&sensor_dev_attr_pwm2_auto_point1_pwm.dev_attr.attr,
--
2.43.0
