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hwmon: Add individual alarm files to 4 drivers

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hwmon: Add individual alarm files to 4 drivers

Add individual sysfs files for all f71805f, lm63, lm83 and lm90 alarm
and fault conditions. This is a requirement for the planned
chip-independent libsensors. Almost all other hwmon drivers will need
the same improvement.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Jean Delvare
2006-09-24 20:52:15 +02:00
committed by Greg Kroah-Hartman
parent 51bd563393
commit 2d45771e6e
4 changed files with 151 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/hwmon/lm83.c
+48 -1
View File
@@ -1,7 +1,7 @@
/*
* lm83.c - Part of lm_sensors, Linux kernel modules for hardware
* monitoring
* Copyright (C) 2003-2005 Jean Delvare <khali@linux-fr.org>
* Copyright (C) 2003-2006 Jean Delvare <khali@linux-fr.org>
*
* Heavily inspired from the lm78, lm75 and adm1021 drivers. The LM83 is
* a sensor chip made by National Semiconductor. It reports up to four
@@ -191,6 +191,16 @@ static ssize_t show_alarms(struct device *dev, struct device_attribute *dummy,
return sprintf(buf, "%d\n", data->alarms);
}
static ssize_t show_alarm(struct device *dev, struct device_attribute
*devattr, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct lm83_data *data = lm83_update_device(dev);
int bitnr = attr->index;
return sprintf(buf, "%d\n", (data->alarms >> bitnr) & 1);
}
static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0);
static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1);
static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2);
@@ -208,6 +218,20 @@ static SENSOR_DEVICE_ATTR(temp2_crit, S_IRUGO, show_temp, NULL, 8);
static SENSOR_DEVICE_ATTR(temp3_crit, S_IWUSR | S_IRUGO, show_temp,
set_temp, 8);
static SENSOR_DEVICE_ATTR(temp4_crit, S_IRUGO, show_temp, NULL, 8);
/* Individual alarm files */
static SENSOR_DEVICE_ATTR(temp1_crit_alarm, S_IRUGO, show_alarm, NULL, 0);
static SENSOR_DEVICE_ATTR(temp3_crit_alarm, S_IRUGO, show_alarm, NULL, 1);
static SENSOR_DEVICE_ATTR(temp3_input_fault, S_IRUGO, show_alarm, NULL, 2);
static SENSOR_DEVICE_ATTR(temp3_max_alarm, S_IRUGO, show_alarm, NULL, 4);
static SENSOR_DEVICE_ATTR(temp1_max_alarm, S_IRUGO, show_alarm, NULL, 6);
static SENSOR_DEVICE_ATTR(temp2_crit_alarm, S_IRUGO, show_alarm, NULL, 8);
static SENSOR_DEVICE_ATTR(temp4_crit_alarm, S_IRUGO, show_alarm, NULL, 9);
static SENSOR_DEVICE_ATTR(temp4_input_fault, S_IRUGO, show_alarm, NULL, 10);
static SENSOR_DEVICE_ATTR(temp4_max_alarm, S_IRUGO, show_alarm, NULL, 12);
static SENSOR_DEVICE_ATTR(temp2_input_fault, S_IRUGO, show_alarm, NULL, 13);
static SENSOR_DEVICE_ATTR(temp2_max_alarm, S_IRUGO, show_alarm, NULL, 15);
/* Raw alarm file for compatibility */
static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
/*
@@ -350,6 +374,16 @@ static int lm83_detect(struct i2c_adapter *adapter, int address, int kind)
device_create_file(&new_client->dev,
&sensor_dev_attr_temp3_crit.dev_attr);
device_create_file(&new_client->dev,
&sensor_dev_attr_temp3_input_fault.dev_attr);
device_create_file(&new_client->dev,
&sensor_dev_attr_temp1_max_alarm.dev_attr);
device_create_file(&new_client->dev,
&sensor_dev_attr_temp3_max_alarm.dev_attr);
device_create_file(&new_client->dev,
&sensor_dev_attr_temp1_crit_alarm.dev_attr);
device_create_file(&new_client->dev,
&sensor_dev_attr_temp3_crit_alarm.dev_attr);
device_create_file(&new_client->dev, &dev_attr_alarms);
if (kind == lm83) {
@@ -367,6 +401,19 @@ static int lm83_detect(struct i2c_adapter *adapter, int address, int kind)
&sensor_dev_attr_temp2_crit.dev_attr);
device_create_file(&new_client->dev,
&sensor_dev_attr_temp4_crit.dev_attr);
device_create_file(&new_client->dev,
&sensor_dev_attr_temp2_input_fault.dev_attr);
device_create_file(&new_client->dev,
&sensor_dev_attr_temp4_input_fault.dev_attr);
device_create_file(&new_client->dev,
&sensor_dev_attr_temp2_max_alarm.dev_attr);
device_create_file(&new_client->dev,
&sensor_dev_attr_temp4_max_alarm.dev_attr);
device_create_file(&new_client->dev,
&sensor_dev_attr_temp2_crit_alarm.dev_attr);
device_create_file(&new_client->dev,
&sensor_dev_attr_temp4_crit_alarm.dev_attr);
}
return 0;