hwmon: (w83795) Expose fan control method

[cascardo/linux.git] / drivers / hwmon / w83795.c

diff --git a/drivers/hwmon/w83795.c b/drivers/hwmon/w83795.c
index fd96e72..95b1f86 100644 (file)
--- a/drivers/hwmon/w83795.c
+++ b/drivers/hwmon/w83795.c
@@ -915,6 +915,21 @@ store_pwm_enable(struct device *dev, struct device_attribute *attr,
        return count;
 }
 
+static ssize_t
+show_pwm_mode(struct device *dev, struct device_attribute *attr, char *buf)
+{
+       struct w83795_data *data = w83795_update_pwm_config(dev);
+       int index = to_sensor_dev_attr_2(attr)->index;
+       unsigned int mode;
+
+       if (data->pwm_fomc & (1 << index))
+               mode = 0;       /* DC */
+       else
+               mode = 1;       /* PWM */
+
+       return sprintf(buf, "%u\n", mode);
+}
+
 static ssize_t
 show_temp_src(struct device *dev, struct device_attribute *attr, char *buf)
 {
@@ -1551,6 +1566,8 @@ store_sf_setup(struct device *dev, struct device_attribute *attr,
                show_pwm, store_pwm, PWM_FREQ, index - 1),       \
        SENSOR_ATTR_2(pwm##index##_enable, S_IWUSR | S_IRUGO,           \
                show_pwm_enable, store_pwm_enable, NOT_USED, index - 1), \
+       SENSOR_ATTR_2(pwm##index##_mode, S_IRUGO,                       \
+               show_pwm_mode, NULL, NOT_USED, index - 1),              \
        SENSOR_ATTR_2(fan##index##_target, S_IWUSR | S_IRUGO, \
                show_fanin, store_fanin, FANIN_TARGET, index - 1) }
 
@@ -1698,7 +1715,7 @@ static const struct sensor_device_attribute_2 w83795_dts[][8] = {
        SENSOR_ATTR_DTS(14),
 };
 
-static const struct sensor_device_attribute_2 w83795_pwm[][7] = {
+static const struct sensor_device_attribute_2 w83795_pwm[][8] = {
        SENSOR_ATTR_PWM(1),
        SENSOR_ATTR_PWM(2),
        SENSOR_ATTR_PWM(3),