ADM1029_REG_FAN2_CONFIG,
};
-/*
- * Functions declaration
- */
-
-static int adm1029_probe(struct i2c_client *client,
- const struct i2c_device_id *id);
-static int adm1029_detect(struct i2c_client *client,
- struct i2c_board_info *info);
-static int adm1029_remove(struct i2c_client *client);
-static struct adm1029_data *adm1029_update_device(struct device *dev);
-static int adm1029_init_client(struct i2c_client *client);
-
-/*
- * Driver data (common to all clients)
- */
-
-static const struct i2c_device_id adm1029_id[] = {
- { "adm1029", 0 },
- { }
-};
-MODULE_DEVICE_TABLE(i2c, adm1029_id);
-
-static struct i2c_driver adm1029_driver = {
- .class = I2C_CLASS_HWMON,
- .driver = {
- .name = "adm1029",
- },
- .probe = adm1029_probe,
- .remove = adm1029_remove,
- .id_table = adm1029_id,
- .detect = adm1029_detect,
- .address_list = normal_i2c,
-};
-
/*
* Client data (each client gets its own)
*/
u8 fan_div[ARRAY_SIZE(ADM1029_REG_FAN_DIV)];
};
+/*
+ * function that update the status of the chips (temperature for example)
+ */
+static struct adm1029_data *adm1029_update_device(struct device *dev)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct adm1029_data *data = i2c_get_clientdata(client);
+
+ mutex_lock(&data->update_lock);
+ /*
+ * Use the "cache" Luke, don't recheck values
+ * if there are already checked not a long time later
+ */
+ if (time_after(jiffies, data->last_updated + HZ * 2)
+ || !data->valid) {
+ int nr;
+
+ dev_dbg(&client->dev, "Updating adm1029 data\n");
+
+ for (nr = 0; nr < ARRAY_SIZE(ADM1029_REG_TEMP); nr++) {
+ data->temp[nr] =
+ i2c_smbus_read_byte_data(client,
+ ADM1029_REG_TEMP[nr]);
+ }
+ for (nr = 0; nr < ARRAY_SIZE(ADM1029_REG_FAN); nr++) {
+ data->fan[nr] =
+ i2c_smbus_read_byte_data(client,
+ ADM1029_REG_FAN[nr]);
+ }
+ for (nr = 0; nr < ARRAY_SIZE(ADM1029_REG_FAN_DIV); nr++) {
+ data->fan_div[nr] =
+ i2c_smbus_read_byte_data(client,
+ ADM1029_REG_FAN_DIV[nr]);
+ }
+
+ data->last_updated = jiffies;
+ data->valid = 1;
+ }
+
+ mutex_unlock(&data->update_lock);
+
+ return data;
+}
+
/*
* Sysfs stuff
*/
/* Update the value */
reg = (reg & 0x3F) | (val << 6);
+ /* Update the cache */
+ data->fan_div[attr->index] = reg;
+
/* Write value */
i2c_smbus_write_byte_data(client,
ADM1029_REG_FAN_DIV[attr->index], reg);
return 0;
}
+static int adm1029_init_client(struct i2c_client *client)
+{
+ u8 config;
+
+ config = i2c_smbus_read_byte_data(client, ADM1029_REG_CONFIG);
+ if ((config & 0x10) == 0) {
+ i2c_smbus_write_byte_data(client, ADM1029_REG_CONFIG,
+ config | 0x10);
+ }
+ /* recheck config */
+ config = i2c_smbus_read_byte_data(client, ADM1029_REG_CONFIG);
+ if ((config & 0x10) == 0) {
+ dev_err(&client->dev, "Initialization failed!\n");
+ return 0;
+ }
+ return 1;
+}
+
static int adm1029_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
return err;
}
-static int adm1029_init_client(struct i2c_client *client)
-{
- u8 config;
- config = i2c_smbus_read_byte_data(client, ADM1029_REG_CONFIG);
- if ((config & 0x10) == 0) {
- i2c_smbus_write_byte_data(client, ADM1029_REG_CONFIG,
- config | 0x10);
- }
- /* recheck config */
- config = i2c_smbus_read_byte_data(client, ADM1029_REG_CONFIG);
- if ((config & 0x10) == 0) {
- dev_err(&client->dev, "Initialization failed!\n");
- return 0;
- }
- return 1;
-}
-
static int adm1029_remove(struct i2c_client *client)
{
struct adm1029_data *data = i2c_get_clientdata(client);
return 0;
}
-/*
- * function that update the status of the chips (temperature for example)
- */
-static struct adm1029_data *adm1029_update_device(struct device *dev)
-{
- struct i2c_client *client = to_i2c_client(dev);
- struct adm1029_data *data = i2c_get_clientdata(client);
-
- mutex_lock(&data->update_lock);
- /*
- * Use the "cache" Luke, don't recheck values
- * if there are already checked not a long time later
- */
- if (time_after(jiffies, data->last_updated + HZ * 2)
- || !data->valid) {
- int nr;
-
- dev_dbg(&client->dev, "Updating adm1029 data\n");
-
- for (nr = 0; nr < ARRAY_SIZE(ADM1029_REG_TEMP); nr++) {
- data->temp[nr] =
- i2c_smbus_read_byte_data(client,
- ADM1029_REG_TEMP[nr]);
- }
- for (nr = 0; nr < ARRAY_SIZE(ADM1029_REG_FAN); nr++) {
- data->fan[nr] =
- i2c_smbus_read_byte_data(client,
- ADM1029_REG_FAN[nr]);
- }
- for (nr = 0; nr < ARRAY_SIZE(ADM1029_REG_FAN_DIV); nr++) {
- data->fan_div[nr] =
- i2c_smbus_read_byte_data(client,
- ADM1029_REG_FAN_DIV[nr]);
- }
-
- data->last_updated = jiffies;
- data->valid = 1;
- }
-
- mutex_unlock(&data->update_lock);
+static const struct i2c_device_id adm1029_id[] = {
+ { "adm1029", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, adm1029_id);
- return data;
-}
+static struct i2c_driver adm1029_driver = {
+ .class = I2C_CLASS_HWMON,
+ .driver = {
+ .name = "adm1029",
+ },
+ .probe = adm1029_probe,
+ .remove = adm1029_remove,
+ .id_table = adm1029_id,
+ .detect = adm1029_detect,
+ .address_list = normal_i2c,
+};
module_i2c_driver(adm1029_driver);