diff options
| author | Guenter Roeck <linux@roeck-us.net> | 2014-05-12 11:35:06 -0700 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2014-05-21 16:02:24 -0700 |
| commit | 54392ce4446e31b4f8a98961ef30bf6397c15266 (patch) | |
| tree | 7d682cf734f3604a4019f3db095cc431a210e4b7 /drivers/hwmon/emc1403.c | |
| parent | a9a74006867e23ad310c6a0dd5cb8fdec5ae3520 (diff) | |
hwmon: (emc1403) Add support for min_hyst attributes
The hysteresis value applies to all limits, so add support for
tempX_min_hyst.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon/emc1403.c')
| -rw-r--r-- | drivers/hwmon/emc1403.c | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/drivers/hwmon/emc1403.c b/drivers/hwmon/emc1403.c index 9ee057776f96..bc96eefe2894 100644 --- a/drivers/hwmon/emc1403.c +++ b/drivers/hwmon/emc1403.c @@ -106,8 +106,9 @@ static ssize_t store_bit(struct device *dev, return count; } -static ssize_t show_hyst(struct device *dev, - struct device_attribute *attr, char *buf) +static ssize_t show_hyst_common(struct device *dev, + struct device_attribute *attr, char *buf, + bool is_min) { struct sensor_device_attribute *sda = to_sensor_dev_attr(attr); struct thermal_data *data = dev_get_drvdata(dev); @@ -124,7 +125,19 @@ static ssize_t show_hyst(struct device *dev, if (retval < 0) return retval; - return sprintf(buf, "%d000\n", limit - hyst); + return sprintf(buf, "%d000\n", is_min ? limit + hyst : limit - hyst); +} + +static ssize_t show_hyst(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return show_hyst_common(dev, attr, buf, false); +} + +static ssize_t show_min_hyst(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return show_hyst_common(dev, attr, buf, true); } static ssize_t store_hyst(struct device *dev, @@ -173,6 +186,7 @@ static SENSOR_DEVICE_ATTR_2(temp1_max_alarm, S_IRUGO, show_bit, NULL, 0x35, 0x01); static SENSOR_DEVICE_ATTR_2(temp1_crit_alarm, S_IRUGO, show_bit, NULL, 0x37, 0x01); +static SENSOR_DEVICE_ATTR(temp1_min_hyst, S_IRUGO, show_min_hyst, NULL, 0x06); static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IRUGO, show_hyst, NULL, 0x05); static SENSOR_DEVICE_ATTR(temp1_crit_hyst, S_IRUGO | S_IWUSR, show_hyst, store_hyst, 0x20); @@ -191,6 +205,7 @@ static SENSOR_DEVICE_ATTR_2(temp2_max_alarm, S_IRUGO, show_bit, NULL, 0x35, 0x02); static SENSOR_DEVICE_ATTR_2(temp2_crit_alarm, S_IRUGO, show_bit, NULL, 0x37, 0x02); +static SENSOR_DEVICE_ATTR(temp2_min_hyst, S_IRUGO, show_min_hyst, NULL, 0x08); static SENSOR_DEVICE_ATTR(temp2_max_hyst, S_IRUGO, show_hyst, NULL, 0x07); static SENSOR_DEVICE_ATTR(temp2_crit_hyst, S_IRUGO, show_hyst, NULL, 0x19); @@ -208,6 +223,7 @@ static SENSOR_DEVICE_ATTR_2(temp3_max_alarm, S_IRUGO, show_bit, NULL, 0x35, 0x04); static SENSOR_DEVICE_ATTR_2(temp3_crit_alarm, S_IRUGO, show_bit, NULL, 0x37, 0x04); +static SENSOR_DEVICE_ATTR(temp3_min_hyst, S_IRUGO, show_min_hyst, NULL, 0x16); static SENSOR_DEVICE_ATTR(temp3_max_hyst, S_IRUGO, show_hyst, NULL, 0x15); static SENSOR_DEVICE_ATTR(temp3_crit_hyst, S_IRUGO, show_hyst, NULL, 0x1A); @@ -225,6 +241,7 @@ static SENSOR_DEVICE_ATTR_2(temp4_max_alarm, S_IRUGO, show_bit, NULL, 0x35, 0x08); static SENSOR_DEVICE_ATTR_2(temp4_crit_alarm, S_IRUGO, show_bit, NULL, 0x37, 0x08); +static SENSOR_DEVICE_ATTR(temp4_min_hyst, S_IRUGO, show_min_hyst, NULL, 0x2D); static SENSOR_DEVICE_ATTR(temp4_max_hyst, S_IRUGO, show_hyst, NULL, 0x2C); static SENSOR_DEVICE_ATTR(temp4_crit_hyst, S_IRUGO, show_hyst, NULL, 0x30); @@ -236,6 +253,7 @@ static struct attribute *emc1402_attrs[] = { &sensor_dev_attr_temp1_max.dev_attr.attr, &sensor_dev_attr_temp1_crit.dev_attr.attr, &sensor_dev_attr_temp1_input.dev_attr.attr, + &sensor_dev_attr_temp1_min_hyst.dev_attr.attr, &sensor_dev_attr_temp1_max_hyst.dev_attr.attr, &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr, @@ -243,6 +261,7 @@ static struct attribute *emc1402_attrs[] = { &sensor_dev_attr_temp2_max.dev_attr.attr, &sensor_dev_attr_temp2_crit.dev_attr.attr, &sensor_dev_attr_temp2_input.dev_attr.attr, + &sensor_dev_attr_temp2_min_hyst.dev_attr.attr, &sensor_dev_attr_temp2_max_hyst.dev_attr.attr, &sensor_dev_attr_temp2_crit_hyst.dev_attr.attr, @@ -272,6 +291,7 @@ static struct attribute *emc1403_attrs[] = { &sensor_dev_attr_temp3_min_alarm.dev_attr.attr, &sensor_dev_attr_temp3_max_alarm.dev_attr.attr, &sensor_dev_attr_temp3_crit_alarm.dev_attr.attr, + &sensor_dev_attr_temp3_min_hyst.dev_attr.attr, &sensor_dev_attr_temp3_max_hyst.dev_attr.attr, &sensor_dev_attr_temp3_crit_hyst.dev_attr.attr, NULL @@ -290,6 +310,7 @@ static struct attribute *emc1404_attrs[] = { &sensor_dev_attr_temp4_min_alarm.dev_attr.attr, &sensor_dev_attr_temp4_max_alarm.dev_attr.attr, &sensor_dev_attr_temp4_crit_alarm.dev_attr.attr, + &sensor_dev_attr_temp4_min_hyst.dev_attr.attr, &sensor_dev_attr_temp4_max_hyst.dev_attr.attr, &sensor_dev_attr_temp4_crit_hyst.dev_attr.attr, NULL |