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path: root/drivers/hwmon/adm1025.c
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Diffstat (limited to 'drivers/hwmon/adm1025.c')
-rw-r--r--drivers/hwmon/adm1025.c80
1 files changed, 36 insertions, 44 deletions
diff --git a/drivers/hwmon/adm1025.c b/drivers/hwmon/adm1025.c
index 92aaa98c1497..c7a365a9e405 100644
--- a/drivers/hwmon/adm1025.c
+++ b/drivers/hwmon/adm1025.c
@@ -75,7 +75,7 @@ I2C_CLIENT_INSMOD_2(adm1025, ne1619);
*/
#define ADM1025_REG_MAN_ID 0x3E
-#define ADM1025_REG_CHIP_ID 0x3F
+#define ADM1025_REG_CHIP_ID 0x3F
#define ADM1025_REG_CONFIG 0x40
#define ADM1025_REG_STATUS1 0x41
#define ADM1025_REG_STATUS2 0x42
@@ -93,7 +93,7 @@ I2C_CLIENT_INSMOD_2(adm1025, ne1619);
* The ADM1025 uses signed 8-bit values for temperatures.
*/
-static int in_scale[6] = { 2500, 2250, 3300, 5000, 12000, 3300 };
+static const int in_scale[6] = { 2500, 2250, 3300, 5000, 12000, 3300 };
#define IN_FROM_REG(reg,scale) (((reg) * (scale) + 96) / 192)
#define IN_TO_REG(val,scale) ((val) <= 0 ? 0 : \
@@ -293,7 +293,8 @@ static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IWUSR | S_IRUGO, \
set_temp(1);
set_temp(2);
-static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t
+show_alarms(struct device *dev, struct device_attribute *attr, char *buf)
{
struct adm1025_data *data = adm1025_update_device(dev);
return sprintf(buf, "%u\n", data->alarms);
@@ -317,19 +318,22 @@ static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 5);
static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 4);
static SENSOR_DEVICE_ATTR(temp1_fault, S_IRUGO, show_alarm, NULL, 14);
-static ssize_t show_vid(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t
+show_vid(struct device *dev, struct device_attribute *attr, char *buf)
{
struct adm1025_data *data = adm1025_update_device(dev);
return sprintf(buf, "%u\n", vid_from_reg(data->vid, data->vrm));
}
static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL);
-static ssize_t show_vrm(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t
+show_vrm(struct device *dev, struct device_attribute *attr, char *buf)
{
struct adm1025_data *data = dev_get_drvdata(dev);
return sprintf(buf, "%u\n", data->vrm);
}
-static ssize_t set_vrm(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t set_vrm(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct i2c_client *client = to_i2c_client(dev);
struct adm1025_data *data = i2c_get_clientdata(client);
@@ -389,7 +393,7 @@ static const struct attribute_group adm1025_group = {
.attrs = adm1025_attributes,
};
-static struct attribute *adm1025_attributes_opt[] = {
+static struct attribute *adm1025_attributes_in4[] = {
&sensor_dev_attr_in4_input.dev_attr.attr,
&sensor_dev_attr_in4_min.dev_attr.attr,
&sensor_dev_attr_in4_max.dev_attr.attr,
@@ -397,8 +401,8 @@ static struct attribute *adm1025_attributes_opt[] = {
NULL
};
-static const struct attribute_group adm1025_group_opt = {
- .attrs = adm1025_attributes_opt,
+static const struct attribute_group adm1025_group_in4 = {
+ .attrs = adm1025_attributes_in4,
};
/*
@@ -407,7 +411,7 @@ static const struct attribute_group adm1025_group_opt = {
*/
static int adm1025_detect(struct i2c_adapter *adapter, int address, int kind)
{
- struct i2c_client *new_client;
+ struct i2c_client *client;
struct adm1025_data *data;
int err = 0;
const char *name = "";
@@ -421,14 +425,11 @@ static int adm1025_detect(struct i2c_adapter *adapter, int address, int kind)
goto exit;
}
- /* The common I2C client data is placed right before the
- ADM1025-specific data. */
- new_client = &data->client;
- i2c_set_clientdata(new_client, data);
- new_client->addr = address;
- new_client->adapter = adapter;
- new_client->driver = &adm1025_driver;
- new_client->flags = 0;
+ client = &data->client;
+ i2c_set_clientdata(client, data);
+ client->addr = address;
+ client->adapter = adapter;
+ client->driver = &adm1025_driver;
/*
* Now we do the remaining detection. A negative kind means that
@@ -440,12 +441,12 @@ static int adm1025_detect(struct i2c_adapter *adapter, int address, int kind)
* requested, so both the detection and the identification steps
* are skipped.
*/
- config = i2c_smbus_read_byte_data(new_client, ADM1025_REG_CONFIG);
+ config = i2c_smbus_read_byte_data(client, ADM1025_REG_CONFIG);
if (kind < 0) { /* detection */
if ((config & 0x80) != 0x00
- || (i2c_smbus_read_byte_data(new_client,
+ || (i2c_smbus_read_byte_data(client,
ADM1025_REG_STATUS1) & 0xC0) != 0x00
- || (i2c_smbus_read_byte_data(new_client,
+ || (i2c_smbus_read_byte_data(client,
ADM1025_REG_STATUS2) & 0xBC) != 0x00) {
dev_dbg(&adapter->dev,
"ADM1025 detection failed at 0x%02x.\n",
@@ -457,11 +458,9 @@ static int adm1025_detect(struct i2c_adapter *adapter, int address, int kind)
if (kind <= 0) { /* identification */
u8 man_id, chip_id;
- man_id = i2c_smbus_read_byte_data(new_client,
- ADM1025_REG_MAN_ID);
- chip_id = i2c_smbus_read_byte_data(new_client,
- ADM1025_REG_CHIP_ID);
-
+ man_id = i2c_smbus_read_byte_data(client, ADM1025_REG_MAN_ID);
+ chip_id = i2c_smbus_read_byte_data(client, ADM1025_REG_CHIP_ID);
+
if (man_id == 0x41) { /* Analog Devices */
if ((chip_id & 0xF0) == 0x20) { /* ADM1025/ADM1025A */
kind = adm1025;
@@ -489,35 +488,28 @@ static int adm1025_detect(struct i2c_adapter *adapter, int address, int kind)
}
/* We can fill in the remaining client fields */
- strlcpy(new_client->name, name, I2C_NAME_SIZE);
- data->valid = 0;
+ strlcpy(client->name, name, I2C_NAME_SIZE);
mutex_init(&data->update_lock);
/* Tell the I2C layer a new client has arrived */
- if ((err = i2c_attach_client(new_client)))
+ if ((err = i2c_attach_client(client)))
goto exit_free;
/* Initialize the ADM1025 chip */
- adm1025_init_client(new_client);
+ adm1025_init_client(client);
/* Register sysfs hooks */
- if ((err = sysfs_create_group(&new_client->dev.kobj, &adm1025_group)))
+ if ((err = sysfs_create_group(&client->dev.kobj, &adm1025_group)))
goto exit_detach;
/* Pin 11 is either in4 (+12V) or VID4 */
if (!(config & 0x20)) {
- if ((err = device_create_file(&new_client->dev,
- &sensor_dev_attr_in4_input.dev_attr))
- || (err = device_create_file(&new_client->dev,
- &sensor_dev_attr_in4_min.dev_attr))
- || (err = device_create_file(&new_client->dev,
- &sensor_dev_attr_in4_max.dev_attr))
- || (err = device_create_file(&new_client->dev,
- &sensor_dev_attr_in4_alarm.dev_attr)))
+ if ((err = sysfs_create_group(&client->dev.kobj,
+ &adm1025_group_in4)))
goto exit_remove;
}
- data->hwmon_dev = hwmon_device_register(&new_client->dev);
+ data->hwmon_dev = hwmon_device_register(&client->dev);
if (IS_ERR(data->hwmon_dev)) {
err = PTR_ERR(data->hwmon_dev);
goto exit_remove;
@@ -526,10 +518,10 @@ static int adm1025_detect(struct i2c_adapter *adapter, int address, int kind)
return 0;
exit_remove:
- sysfs_remove_group(&new_client->dev.kobj, &adm1025_group);
- sysfs_remove_group(&new_client->dev.kobj, &adm1025_group_opt);
+ sysfs_remove_group(&client->dev.kobj, &adm1025_group);
+ sysfs_remove_group(&client->dev.kobj, &adm1025_group_in4);
exit_detach:
- i2c_detach_client(new_client);
+ i2c_detach_client(client);
exit_free:
kfree(data);
exit:
@@ -585,7 +577,7 @@ static int adm1025_detach_client(struct i2c_client *client)
hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&client->dev.kobj, &adm1025_group);
- sysfs_remove_group(&client->dev.kobj, &adm1025_group_opt);
+ sysfs_remove_group(&client->dev.kobj, &adm1025_group_in4);
if ((err = i2c_detach_client(client)))
return err;
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-09 05:03:12 +0000