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| author | Jean Delvare <khali@linux-fr.org> | 2011-01-12 21:55:09 +0100 |
|---|---|---|
| committer | Jean Delvare <khali@endymion.delvare> | 2011-01-12 21:55:09 +0100 |
| commit | c32301b5957bb77579eb80ff5a84324d34b97346 (patch) | |
| tree | 6c37d1b19ba0693759cfc736146c32e31f097917 /drivers/hwmon/w83792d.c | |
| parent | 0de2b244800b2c0d88d0a85bbe4a0b95fee13332 (diff) | |
| download | blackbird-obmc-linux-c32301b5957bb77579eb80ff5a84324d34b97346.tar.gz blackbird-obmc-linux-c32301b5957bb77579eb80ff5a84324d34b97346.zip | |
hwmon: (w83792d) Implement the standard intrusion detection interface
We have a standard intrusion detection interface now, drivers should
implement it. I've left the old interface in place for the time being,
with a deprecation warning, it will be removed later.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Guenter Roeck <guenter.roeck@ericsson.com>
Diffstat (limited to 'drivers/hwmon/w83792d.c')
| -rw-r--r-- | drivers/hwmon/w83792d.c | 44 |
1 files changed, 41 insertions, 3 deletions
diff --git a/drivers/hwmon/w83792d.c b/drivers/hwmon/w83792d.c index 679718e6b017..63841f8cec07 100644 --- a/drivers/hwmon/w83792d.c +++ b/drivers/hwmon/w83792d.c @@ -691,7 +691,7 @@ store_pwm_mode(struct device *dev, struct device_attribute *attr, } static ssize_t -show_regs_chassis(struct device *dev, struct device_attribute *attr, +show_chassis(struct device *dev, struct device_attribute *attr, char *buf) { struct w83792d_data *data = w83792d_update_device(dev); @@ -699,6 +699,16 @@ show_regs_chassis(struct device *dev, struct device_attribute *attr, } static ssize_t +show_regs_chassis(struct device *dev, struct device_attribute *attr, + char *buf) +{ + dev_warn(dev, + "Attribute %s is deprecated, use intrusion0_alarm instead\n", + "chassis"); + return show_chassis(dev, attr, buf); +} + +static ssize_t show_chassis_clear(struct device *dev, struct device_attribute *attr, char *buf) { struct w83792d_data *data = w83792d_update_device(dev); @@ -706,7 +716,7 @@ show_chassis_clear(struct device *dev, struct device_attribute *attr, char *buf) } static ssize_t -store_chassis_clear(struct device *dev, struct device_attribute *attr, +store_chassis_clear_legacy(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct i2c_client *client = to_i2c_client(dev); @@ -714,6 +724,10 @@ store_chassis_clear(struct device *dev, struct device_attribute *attr, u32 val; u8 temp1 = 0, temp2 = 0; + dev_warn(dev, + "Attribute %s is deprecated, use intrusion0_alarm instead\n", + "chassis_clear"); + val = simple_strtoul(buf, NULL, 10); mutex_lock(&data->update_lock); data->chassis_clear = SENSORS_LIMIT(val, 0 ,1); @@ -726,6 +740,27 @@ store_chassis_clear(struct device *dev, struct device_attribute *attr, return count; } +static ssize_t +store_chassis_clear(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct w83792d_data *data = i2c_get_clientdata(client); + unsigned long val; + u8 reg; + + if (strict_strtoul(buf, 10, &val) || val != 0) + return -EINVAL; + + mutex_lock(&data->update_lock); + reg = w83792d_read_value(client, W83792D_REG_CHASSIS_CLR); + w83792d_write_value(client, W83792D_REG_CHASSIS_CLR, reg | 0x80); + data->valid = 0; /* Force cache refresh */ + mutex_unlock(&data->update_lock); + + return count; +} + /* For Smart Fan I / Thermal Cruise */ static ssize_t show_thermal_cruise(struct device *dev, struct device_attribute *attr, @@ -1012,7 +1047,9 @@ static SENSOR_DEVICE_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, 22); static SENSOR_DEVICE_ATTR(fan6_alarm, S_IRUGO, show_alarm, NULL, 23); static DEVICE_ATTR(chassis, S_IRUGO, show_regs_chassis, NULL); static DEVICE_ATTR(chassis_clear, S_IRUGO | S_IWUSR, - show_chassis_clear, store_chassis_clear); + show_chassis_clear, store_chassis_clear_legacy); +static DEVICE_ATTR(intrusion0_alarm, S_IRUGO | S_IWUSR, + show_chassis, store_chassis_clear); static SENSOR_DEVICE_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 0); static SENSOR_DEVICE_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 1); static SENSOR_DEVICE_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 2); @@ -1214,6 +1251,7 @@ static struct attribute *w83792d_attributes[] = { &dev_attr_alarms.attr, &dev_attr_chassis.attr, &dev_attr_chassis_clear.attr, + &dev_attr_intrusion0_alarm.attr, &sensor_dev_attr_tolerance1.dev_attr.attr, &sensor_dev_attr_thermal_cruise1.dev_attr.attr, &sensor_dev_attr_tolerance2.dev_attr.attr, |
