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path: root/kernel/drivers/hwmon/nct7904.c
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Diffstat (limited to 'kernel/drivers/hwmon/nct7904.c')
-rw-r--r--kernel/drivers/hwmon/nct7904.c58
1 files changed, 30 insertions, 28 deletions
diff --git a/kernel/drivers/hwmon/nct7904.c b/kernel/drivers/hwmon/nct7904.c
index b77b82f24..08ff89d22 100644
--- a/kernel/drivers/hwmon/nct7904.c
+++ b/kernel/drivers/hwmon/nct7904.c
@@ -412,8 +412,9 @@ static ssize_t show_pwm(struct device *dev,
return sprintf(buf, "%d\n", val);
}
-static ssize_t store_mode(struct device *dev, struct device_attribute *devattr,
- const char *buf, size_t count)
+static ssize_t store_enable(struct device *dev,
+ struct device_attribute *devattr,
+ const char *buf, size_t count)
{
int index = to_sensor_dev_attr(devattr)->index;
struct nct7904_data *data = dev_get_drvdata(dev);
@@ -422,18 +423,18 @@ static ssize_t store_mode(struct device *dev, struct device_attribute *devattr,
if (kstrtoul(buf, 10, &val) < 0)
return -EINVAL;
- if (val > 1 || (val && !data->fan_mode[index]))
+ if (val < 1 || val > 2 || (val == 2 && !data->fan_mode[index]))
return -EINVAL;
ret = nct7904_write_reg(data, BANK_3, FANCTL1_FMR_REG + index,
- val ? data->fan_mode[index] : 0);
+ val == 2 ? data->fan_mode[index] : 0);
return ret ? ret : count;
}
-/* Return 0 for manual mode or 1 for SmartFan mode */
-static ssize_t show_mode(struct device *dev,
- struct device_attribute *devattr, char *buf)
+/* Return 1 for manual mode or 2 for SmartFan mode */
+static ssize_t show_enable(struct device *dev,
+ struct device_attribute *devattr, char *buf)
{
int index = to_sensor_dev_attr(devattr)->index;
struct nct7904_data *data = dev_get_drvdata(dev);
@@ -443,36 +444,36 @@ static ssize_t show_mode(struct device *dev,
if (val < 0)
return val;
- return sprintf(buf, "%d\n", val ? 1 : 0);
+ return sprintf(buf, "%d\n", val ? 2 : 1);
}
/* 2 attributes per channel: pwm and mode */
-static SENSOR_DEVICE_ATTR(fan1_pwm, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR,
show_pwm, store_pwm, 0);
-static SENSOR_DEVICE_ATTR(fan1_mode, S_IRUGO | S_IWUSR,
- show_mode, store_mode, 0);
-static SENSOR_DEVICE_ATTR(fan2_pwm, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR,
+ show_enable, store_enable, 0);
+static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO | S_IWUSR,
show_pwm, store_pwm, 1);
-static SENSOR_DEVICE_ATTR(fan2_mode, S_IRUGO | S_IWUSR,
- show_mode, store_mode, 1);
-static SENSOR_DEVICE_ATTR(fan3_pwm, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO | S_IWUSR,
+ show_enable, store_enable, 1);
+static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO | S_IWUSR,
show_pwm, store_pwm, 2);
-static SENSOR_DEVICE_ATTR(fan3_mode, S_IRUGO | S_IWUSR,
- show_mode, store_mode, 2);
-static SENSOR_DEVICE_ATTR(fan4_pwm, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO | S_IWUSR,
+ show_enable, store_enable, 2);
+static SENSOR_DEVICE_ATTR(pwm4, S_IRUGO | S_IWUSR,
show_pwm, store_pwm, 3);
-static SENSOR_DEVICE_ATTR(fan4_mode, S_IRUGO | S_IWUSR,
- show_mode, store_mode, 3);
+static SENSOR_DEVICE_ATTR(pwm4_enable, S_IRUGO | S_IWUSR,
+ show_enable, store_enable, 3);
static struct attribute *nct7904_fanctl_attrs[] = {
- &sensor_dev_attr_fan1_pwm.dev_attr.attr,
- &sensor_dev_attr_fan1_mode.dev_attr.attr,
- &sensor_dev_attr_fan2_pwm.dev_attr.attr,
- &sensor_dev_attr_fan2_mode.dev_attr.attr,
- &sensor_dev_attr_fan3_pwm.dev_attr.attr,
- &sensor_dev_attr_fan3_mode.dev_attr.attr,
- &sensor_dev_attr_fan4_pwm.dev_attr.attr,
- &sensor_dev_attr_fan4_mode.dev_attr.attr,
+ &sensor_dev_attr_pwm1.dev_attr.attr,
+ &sensor_dev_attr_pwm1_enable.dev_attr.attr,
+ &sensor_dev_attr_pwm2.dev_attr.attr,
+ &sensor_dev_attr_pwm2_enable.dev_attr.attr,
+ &sensor_dev_attr_pwm3.dev_attr.attr,
+ &sensor_dev_attr_pwm3_enable.dev_attr.attr,
+ &sensor_dev_attr_pwm4.dev_attr.attr,
+ &sensor_dev_attr_pwm4_enable.dev_attr.attr,
NULL
};
@@ -574,6 +575,7 @@ static const struct i2c_device_id nct7904_id[] = {
{"nct7904", 0},
{}
};
+MODULE_DEVICE_TABLE(i2c, nct7904_id);
static struct i2c_driver nct7904_driver = {
.class = I2C_CLASS_HWMON,