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@@ -98,41 +98,63 @@ struct adm1021_data {
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u8 remote_temp_offset_prec;
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};
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-static int adm1021_probe(struct i2c_client *client,
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- const struct i2c_device_id *id);
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-static int adm1021_detect(struct i2c_client *client,
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- struct i2c_board_info *info);
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-static void adm1021_init_client(struct i2c_client *client);
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-static struct adm1021_data *adm1021_update_device(struct device *dev);
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-
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/* (amalysh) read only mode, otherwise any limit's writing confuse BIOS */
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static bool read_only;
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+static struct adm1021_data *adm1021_update_device(struct device *dev)
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+{
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+ struct adm1021_data *data = dev_get_drvdata(dev);
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+ struct i2c_client *client = data->client;
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-static const struct i2c_device_id adm1021_id[] = {
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- { "adm1021", adm1021 },
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- { "adm1023", adm1023 },
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- { "max1617", max1617 },
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- { "max1617a", max1617a },
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- { "thmc10", thmc10 },
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- { "lm84", lm84 },
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- { "gl523sm", gl523sm },
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- { "mc1066", mc1066 },
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- { }
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-};
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-MODULE_DEVICE_TABLE(i2c, adm1021_id);
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+ mutex_lock(&data->update_lock);
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-/* This is the driver that will be inserted */
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-static struct i2c_driver adm1021_driver = {
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- .class = I2C_CLASS_HWMON,
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- .driver = {
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- .name = "adm1021",
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- },
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- .probe = adm1021_probe,
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- .id_table = adm1021_id,
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- .detect = adm1021_detect,
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- .address_list = normal_i2c,
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-};
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+ if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
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+ || !data->valid) {
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+ int i;
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+
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+ dev_dbg(dev, "Starting adm1021 update\n");
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+
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+ for (i = 0; i < 2; i++) {
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+ data->temp[i] = 1000 *
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+ (s8) i2c_smbus_read_byte_data(
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+ client, ADM1021_REG_TEMP(i));
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+ data->temp_max[i] = 1000 *
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+ (s8) i2c_smbus_read_byte_data(
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+ client, ADM1021_REG_TOS_R(i));
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+ if (data->type != lm84) {
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+ data->temp_min[i] = 1000 *
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+ (s8) i2c_smbus_read_byte_data(client,
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+ ADM1021_REG_THYST_R(i));
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+ }
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+ }
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+ data->alarms = i2c_smbus_read_byte_data(client,
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+ ADM1021_REG_STATUS) & 0x7c;
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+ if (data->type == adm1023) {
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+ /*
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+ * The ADM1023 provides 3 extra bits of precision for
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+ * the remote sensor in extra registers.
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+ */
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+ data->temp[1] += 125 * (i2c_smbus_read_byte_data(
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+ client, ADM1023_REG_REM_TEMP_PREC) >> 5);
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+ data->temp_max[1] += 125 * (i2c_smbus_read_byte_data(
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+ client, ADM1023_REG_REM_TOS_PREC) >> 5);
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+ data->temp_min[1] += 125 * (i2c_smbus_read_byte_data(
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+ client, ADM1023_REG_REM_THYST_PREC) >> 5);
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+ data->remote_temp_offset =
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+ i2c_smbus_read_byte_data(client,
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+ ADM1023_REG_REM_OFFSET);
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+ data->remote_temp_offset_prec =
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+ i2c_smbus_read_byte_data(client,
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+ ADM1023_REG_REM_OFFSET_PREC);
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+ }
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+ data->last_updated = jiffies;
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+ data->valid = 1;
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+ }
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+
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+ mutex_unlock(&data->update_lock);
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+
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+ return data;
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+}
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static ssize_t show_temp(struct device *dev,
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struct device_attribute *devattr, char *buf)
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@@ -411,6 +433,15 @@ static int adm1021_detect(struct i2c_client *client,
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return 0;
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}
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+static void adm1021_init_client(struct i2c_client *client)
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+{
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+ /* Enable ADC and disable suspend mode */
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+ i2c_smbus_write_byte_data(client, ADM1021_REG_CONFIG_W,
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+ i2c_smbus_read_byte_data(client, ADM1021_REG_CONFIG_R) & 0xBF);
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+ /* Set Conversion rate to 1/sec (this can be tinkered with) */
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+ i2c_smbus_write_byte_data(client, ADM1021_REG_CONV_RATE_W, 0x04);
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+}
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+
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static int adm1021_probe(struct i2c_client *client,
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const struct i2c_device_id *id)
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{
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@@ -440,69 +471,29 @@ static int adm1021_probe(struct i2c_client *client,
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return PTR_ERR_OR_ZERO(hwmon_dev);
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}
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-static void adm1021_init_client(struct i2c_client *client)
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-{
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- /* Enable ADC and disable suspend mode */
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- i2c_smbus_write_byte_data(client, ADM1021_REG_CONFIG_W,
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- i2c_smbus_read_byte_data(client, ADM1021_REG_CONFIG_R) & 0xBF);
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- /* Set Conversion rate to 1/sec (this can be tinkered with) */
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- i2c_smbus_write_byte_data(client, ADM1021_REG_CONV_RATE_W, 0x04);
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-}
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-
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-static struct adm1021_data *adm1021_update_device(struct device *dev)
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-{
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- struct adm1021_data *data = dev_get_drvdata(dev);
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- struct i2c_client *client = data->client;
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-
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- mutex_lock(&data->update_lock);
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-
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- if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
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- || !data->valid) {
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- int i;
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-
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- dev_dbg(dev, "Starting adm1021 update\n");
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-
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- for (i = 0; i < 2; i++) {
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- data->temp[i] = 1000 *
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- (s8) i2c_smbus_read_byte_data(
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- client, ADM1021_REG_TEMP(i));
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- data->temp_max[i] = 1000 *
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- (s8) i2c_smbus_read_byte_data(
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- client, ADM1021_REG_TOS_R(i));
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- if (data->type != lm84) {
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- data->temp_min[i] = 1000 *
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- (s8) i2c_smbus_read_byte_data(client,
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- ADM1021_REG_THYST_R(i));
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- }
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- }
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- data->alarms = i2c_smbus_read_byte_data(client,
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- ADM1021_REG_STATUS) & 0x7c;
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- if (data->type == adm1023) {
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- /*
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- * The ADM1023 provides 3 extra bits of precision for
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- * the remote sensor in extra registers.
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- */
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- data->temp[1] += 125 * (i2c_smbus_read_byte_data(
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- client, ADM1023_REG_REM_TEMP_PREC) >> 5);
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- data->temp_max[1] += 125 * (i2c_smbus_read_byte_data(
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- client, ADM1023_REG_REM_TOS_PREC) >> 5);
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- data->temp_min[1] += 125 * (i2c_smbus_read_byte_data(
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- client, ADM1023_REG_REM_THYST_PREC) >> 5);
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- data->remote_temp_offset =
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- i2c_smbus_read_byte_data(client,
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- ADM1023_REG_REM_OFFSET);
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- data->remote_temp_offset_prec =
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- i2c_smbus_read_byte_data(client,
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- ADM1023_REG_REM_OFFSET_PREC);
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- }
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- data->last_updated = jiffies;
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- data->valid = 1;
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- }
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-
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- mutex_unlock(&data->update_lock);
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+static const struct i2c_device_id adm1021_id[] = {
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+ { "adm1021", adm1021 },
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+ { "adm1023", adm1023 },
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+ { "max1617", max1617 },
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+ { "max1617a", max1617a },
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+ { "thmc10", thmc10 },
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+ { "lm84", lm84 },
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+ { "gl523sm", gl523sm },
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+ { "mc1066", mc1066 },
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+ { }
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+};
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+MODULE_DEVICE_TABLE(i2c, adm1021_id);
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- return data;
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-}
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+static struct i2c_driver adm1021_driver = {
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+ .class = I2C_CLASS_HWMON,
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+ .driver = {
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+ .name = "adm1021",
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+ },
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+ .probe = adm1021_probe,
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+ .id_table = adm1021_id,
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+ .detect = adm1021_detect,
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+ .address_list = normal_i2c,
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+};
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module_i2c_driver(adm1021_driver);
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