hwmon: (nct7904) Rename pwm attributes to match hwmon ABI
pwm attributes have well defined names, which should be used. Cc: Vadim V. Vlasov <vvlasov@dev.rtsoft.ru> Cc: stable@vger.kernel.org #v4.1+ Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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@ -35,11 +35,11 @@ temp1_input Local temperature (1/1000 degree,
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temp[2-9]_input CPU temperatures (1/1000 degree,
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0.125 degree resolution)
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fan[1-4]_mode R/W, 0/1 for manual or SmartFan mode
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pwm[1-4]_enable R/W, 1/2 for manual or SmartFan mode
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Setting SmartFan mode is supported only if it has been
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previously configured by BIOS (or configuration EEPROM)
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fan[1-4]_pwm R/O in SmartFan mode, R/W in manual control mode
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pwm[1-4] R/O in SmartFan mode, R/W in manual control mode
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The driver checks sensor control registers and does not export the sensors
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that are not enabled. Anyway, a sensor that is enabled may actually be not
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@ -412,8 +412,9 @@ static ssize_t show_pwm(struct device *dev,
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return sprintf(buf, "%d\n", val);
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}
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static ssize_t store_mode(struct device *dev, struct device_attribute *devattr,
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const char *buf, size_t count)
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static ssize_t store_enable(struct device *dev,
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struct device_attribute *devattr,
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const char *buf, size_t count)
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{
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int index = to_sensor_dev_attr(devattr)->index;
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struct nct7904_data *data = dev_get_drvdata(dev);
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@ -422,18 +423,18 @@ static ssize_t store_mode(struct device *dev, struct device_attribute *devattr,
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if (kstrtoul(buf, 10, &val) < 0)
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return -EINVAL;
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if (val > 1 || (val && !data->fan_mode[index]))
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if (val < 1 || val > 2 || (val == 2 && !data->fan_mode[index]))
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return -EINVAL;
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ret = nct7904_write_reg(data, BANK_3, FANCTL1_FMR_REG + index,
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val ? data->fan_mode[index] : 0);
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val == 2 ? data->fan_mode[index] : 0);
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return ret ? ret : count;
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}
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/* Return 0 for manual mode or 1 for SmartFan mode */
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static ssize_t show_mode(struct device *dev,
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struct device_attribute *devattr, char *buf)
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/* Return 1 for manual mode or 2 for SmartFan mode */
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static ssize_t show_enable(struct device *dev,
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struct device_attribute *devattr, char *buf)
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{
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int index = to_sensor_dev_attr(devattr)->index;
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struct nct7904_data *data = dev_get_drvdata(dev);
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@ -443,36 +444,36 @@ static ssize_t show_mode(struct device *dev,
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if (val < 0)
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return val;
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return sprintf(buf, "%d\n", val ? 1 : 0);
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return sprintf(buf, "%d\n", val ? 2 : 1);
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}
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/* 2 attributes per channel: pwm and mode */
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static SENSOR_DEVICE_ATTR(fan1_pwm, S_IRUGO | S_IWUSR,
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static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR,
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show_pwm, store_pwm, 0);
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static SENSOR_DEVICE_ATTR(fan1_mode, S_IRUGO | S_IWUSR,
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show_mode, store_mode, 0);
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static SENSOR_DEVICE_ATTR(fan2_pwm, S_IRUGO | S_IWUSR,
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static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR,
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show_enable, store_enable, 0);
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static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO | S_IWUSR,
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show_pwm, store_pwm, 1);
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static SENSOR_DEVICE_ATTR(fan2_mode, S_IRUGO | S_IWUSR,
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show_mode, store_mode, 1);
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static SENSOR_DEVICE_ATTR(fan3_pwm, S_IRUGO | S_IWUSR,
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static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO | S_IWUSR,
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show_enable, store_enable, 1);
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static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO | S_IWUSR,
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show_pwm, store_pwm, 2);
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static SENSOR_DEVICE_ATTR(fan3_mode, S_IRUGO | S_IWUSR,
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show_mode, store_mode, 2);
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static SENSOR_DEVICE_ATTR(fan4_pwm, S_IRUGO | S_IWUSR,
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static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO | S_IWUSR,
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show_enable, store_enable, 2);
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static SENSOR_DEVICE_ATTR(pwm4, S_IRUGO | S_IWUSR,
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show_pwm, store_pwm, 3);
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static SENSOR_DEVICE_ATTR(fan4_mode, S_IRUGO | S_IWUSR,
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show_mode, store_mode, 3);
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static SENSOR_DEVICE_ATTR(pwm4_enable, S_IRUGO | S_IWUSR,
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show_enable, store_enable, 3);
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static struct attribute *nct7904_fanctl_attrs[] = {
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&sensor_dev_attr_fan1_pwm.dev_attr.attr,
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&sensor_dev_attr_fan1_mode.dev_attr.attr,
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&sensor_dev_attr_fan2_pwm.dev_attr.attr,
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&sensor_dev_attr_fan2_mode.dev_attr.attr,
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&sensor_dev_attr_fan3_pwm.dev_attr.attr,
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&sensor_dev_attr_fan3_mode.dev_attr.attr,
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&sensor_dev_attr_fan4_pwm.dev_attr.attr,
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&sensor_dev_attr_fan4_mode.dev_attr.attr,
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&sensor_dev_attr_pwm1.dev_attr.attr,
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&sensor_dev_attr_pwm1_enable.dev_attr.attr,
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&sensor_dev_attr_pwm2.dev_attr.attr,
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&sensor_dev_attr_pwm2_enable.dev_attr.attr,
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&sensor_dev_attr_pwm3.dev_attr.attr,
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&sensor_dev_attr_pwm3_enable.dev_attr.attr,
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&sensor_dev_attr_pwm4.dev_attr.attr,
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&sensor_dev_attr_pwm4_enable.dev_attr.attr,
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NULL
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};
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