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hwmon: (adm1031) Avoid forward declaration
Reorder functions to avoid forward declaration. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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b591d3c196
commit
278ee1c840
1 changed files with 138 additions and 148 deletions
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@ -105,34 +105,6 @@ struct adm1031_data {
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s8 temp_crit[3];
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};
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static int adm1031_probe(struct i2c_client *client,
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const struct i2c_device_id *id);
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static int adm1031_detect(struct i2c_client *client,
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struct i2c_board_info *info);
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static void adm1031_init_client(struct i2c_client *client);
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static int adm1031_remove(struct i2c_client *client);
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static struct adm1031_data *adm1031_update_device(struct device *dev);
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static const struct i2c_device_id adm1031_id[] = {
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{ "adm1030", adm1030 },
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{ "adm1031", adm1031 },
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{ }
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};
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MODULE_DEVICE_TABLE(i2c, adm1031_id);
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/* This is the driver that will be inserted */
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static struct i2c_driver adm1031_driver = {
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.class = I2C_CLASS_HWMON,
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.driver = {
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.name = "adm1031",
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},
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.probe = adm1031_probe,
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.remove = adm1031_remove,
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.id_table = adm1031_id,
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.detect = adm1031_detect,
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.address_list = normal_i2c,
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};
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static inline u8 adm1031_read_value(struct i2c_client *client, u8 reg)
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{
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return i2c_smbus_read_byte_data(client, reg);
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@ -144,6 +116,96 @@ adm1031_write_value(struct i2c_client *client, u8 reg, unsigned int value)
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return i2c_smbus_write_byte_data(client, reg, value);
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}
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static struct adm1031_data *adm1031_update_device(struct device *dev)
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{
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struct i2c_client *client = to_i2c_client(dev);
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struct adm1031_data *data = i2c_get_clientdata(client);
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unsigned long next_update;
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int chan;
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mutex_lock(&data->update_lock);
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next_update = data->last_updated
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+ msecs_to_jiffies(data->update_interval);
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if (time_after(jiffies, next_update) || !data->valid) {
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dev_dbg(&client->dev, "Starting adm1031 update\n");
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for (chan = 0;
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chan < ((data->chip_type == adm1031) ? 3 : 2); chan++) {
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u8 oldh, newh;
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oldh =
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adm1031_read_value(client, ADM1031_REG_TEMP(chan));
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data->ext_temp[chan] =
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adm1031_read_value(client, ADM1031_REG_EXT_TEMP);
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newh =
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adm1031_read_value(client, ADM1031_REG_TEMP(chan));
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if (newh != oldh) {
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data->ext_temp[chan] =
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adm1031_read_value(client,
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ADM1031_REG_EXT_TEMP);
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#ifdef DEBUG
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oldh =
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adm1031_read_value(client,
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ADM1031_REG_TEMP(chan));
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/* oldh is actually newer */
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if (newh != oldh)
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dev_warn(&client->dev,
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"Remote temperature may be wrong.\n");
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#endif
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}
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data->temp[chan] = newh;
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data->temp_offset[chan] =
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adm1031_read_value(client,
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ADM1031_REG_TEMP_OFFSET(chan));
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data->temp_min[chan] =
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adm1031_read_value(client,
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ADM1031_REG_TEMP_MIN(chan));
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data->temp_max[chan] =
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adm1031_read_value(client,
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ADM1031_REG_TEMP_MAX(chan));
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data->temp_crit[chan] =
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adm1031_read_value(client,
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ADM1031_REG_TEMP_CRIT(chan));
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data->auto_temp[chan] =
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adm1031_read_value(client,
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ADM1031_REG_AUTO_TEMP(chan));
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}
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data->conf1 = adm1031_read_value(client, ADM1031_REG_CONF1);
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data->conf2 = adm1031_read_value(client, ADM1031_REG_CONF2);
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data->alarm = adm1031_read_value(client, ADM1031_REG_STATUS(0))
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| (adm1031_read_value(client, ADM1031_REG_STATUS(1)) << 8);
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if (data->chip_type == adm1030)
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data->alarm &= 0xc0ff;
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for (chan = 0; chan < (data->chip_type == adm1030 ? 1 : 2);
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chan++) {
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data->fan_div[chan] =
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adm1031_read_value(client,
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ADM1031_REG_FAN_DIV(chan));
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data->fan_min[chan] =
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adm1031_read_value(client,
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ADM1031_REG_FAN_MIN(chan));
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data->fan[chan] =
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adm1031_read_value(client,
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ADM1031_REG_FAN_SPEED(chan));
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data->pwm[chan] =
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(adm1031_read_value(client,
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ADM1031_REG_PWM) >> (4 * chan)) & 0x0f;
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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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mutex_unlock(&data->update_lock);
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return data;
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}
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#define TEMP_TO_REG(val) (((val) < 0 ? ((val - 500) / 1000) : \
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((val + 500) / 1000)))
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@ -950,6 +1012,37 @@ static int adm1031_detect(struct i2c_client *client,
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return 0;
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}
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static void adm1031_init_client(struct i2c_client *client)
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{
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unsigned int read_val;
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unsigned int mask;
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int i;
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struct adm1031_data *data = i2c_get_clientdata(client);
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mask = (ADM1031_CONF2_PWM1_ENABLE | ADM1031_CONF2_TACH1_ENABLE);
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if (data->chip_type == adm1031) {
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mask |= (ADM1031_CONF2_PWM2_ENABLE |
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ADM1031_CONF2_TACH2_ENABLE);
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}
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/* Initialize the ADM1031 chip (enables fan speed reading ) */
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read_val = adm1031_read_value(client, ADM1031_REG_CONF2);
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if ((read_val | mask) != read_val)
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adm1031_write_value(client, ADM1031_REG_CONF2, read_val | mask);
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read_val = adm1031_read_value(client, ADM1031_REG_CONF1);
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if ((read_val | ADM1031_CONF1_MONITOR_ENABLE) != read_val) {
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adm1031_write_value(client, ADM1031_REG_CONF1,
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read_val | ADM1031_CONF1_MONITOR_ENABLE);
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}
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/* Read the chip's update rate */
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mask = ADM1031_UPDATE_RATE_MASK;
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read_val = adm1031_read_value(client, ADM1031_REG_FAN_FILTER);
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i = (read_val & mask) >> ADM1031_UPDATE_RATE_SHIFT;
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/* Save it as update interval */
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data->update_interval = update_intervals[i];
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}
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static int adm1031_probe(struct i2c_client *client,
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const struct i2c_device_id *id)
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{
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@ -1008,127 +1101,24 @@ static int adm1031_remove(struct i2c_client *client)
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return 0;
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}
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static void adm1031_init_client(struct i2c_client *client)
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{
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unsigned int read_val;
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unsigned int mask;
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int i;
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struct adm1031_data *data = i2c_get_clientdata(client);
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static const struct i2c_device_id adm1031_id[] = {
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{ "adm1030", adm1030 },
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{ "adm1031", adm1031 },
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{ }
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};
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MODULE_DEVICE_TABLE(i2c, adm1031_id);
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mask = (ADM1031_CONF2_PWM1_ENABLE | ADM1031_CONF2_TACH1_ENABLE);
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if (data->chip_type == adm1031) {
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mask |= (ADM1031_CONF2_PWM2_ENABLE |
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ADM1031_CONF2_TACH2_ENABLE);
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}
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/* Initialize the ADM1031 chip (enables fan speed reading ) */
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read_val = adm1031_read_value(client, ADM1031_REG_CONF2);
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if ((read_val | mask) != read_val)
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adm1031_write_value(client, ADM1031_REG_CONF2, read_val | mask);
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read_val = adm1031_read_value(client, ADM1031_REG_CONF1);
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if ((read_val | ADM1031_CONF1_MONITOR_ENABLE) != read_val) {
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adm1031_write_value(client, ADM1031_REG_CONF1,
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read_val | ADM1031_CONF1_MONITOR_ENABLE);
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}
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/* Read the chip's update rate */
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mask = ADM1031_UPDATE_RATE_MASK;
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read_val = adm1031_read_value(client, ADM1031_REG_FAN_FILTER);
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i = (read_val & mask) >> ADM1031_UPDATE_RATE_SHIFT;
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/* Save it as update interval */
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data->update_interval = update_intervals[i];
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}
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static struct adm1031_data *adm1031_update_device(struct device *dev)
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{
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struct i2c_client *client = to_i2c_client(dev);
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struct adm1031_data *data = i2c_get_clientdata(client);
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unsigned long next_update;
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int chan;
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mutex_lock(&data->update_lock);
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next_update = data->last_updated
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+ msecs_to_jiffies(data->update_interval);
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if (time_after(jiffies, next_update) || !data->valid) {
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dev_dbg(&client->dev, "Starting adm1031 update\n");
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for (chan = 0;
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chan < ((data->chip_type == adm1031) ? 3 : 2); chan++) {
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u8 oldh, newh;
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oldh =
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adm1031_read_value(client, ADM1031_REG_TEMP(chan));
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data->ext_temp[chan] =
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adm1031_read_value(client, ADM1031_REG_EXT_TEMP);
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newh =
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adm1031_read_value(client, ADM1031_REG_TEMP(chan));
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if (newh != oldh) {
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data->ext_temp[chan] =
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adm1031_read_value(client,
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ADM1031_REG_EXT_TEMP);
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#ifdef DEBUG
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oldh =
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adm1031_read_value(client,
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ADM1031_REG_TEMP(chan));
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/* oldh is actually newer */
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if (newh != oldh)
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dev_warn(&client->dev,
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"Remote temperature may be wrong.\n");
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#endif
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}
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data->temp[chan] = newh;
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data->temp_offset[chan] =
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adm1031_read_value(client,
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ADM1031_REG_TEMP_OFFSET(chan));
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data->temp_min[chan] =
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adm1031_read_value(client,
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ADM1031_REG_TEMP_MIN(chan));
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data->temp_max[chan] =
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adm1031_read_value(client,
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ADM1031_REG_TEMP_MAX(chan));
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data->temp_crit[chan] =
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adm1031_read_value(client,
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ADM1031_REG_TEMP_CRIT(chan));
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data->auto_temp[chan] =
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adm1031_read_value(client,
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ADM1031_REG_AUTO_TEMP(chan));
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}
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data->conf1 = adm1031_read_value(client, ADM1031_REG_CONF1);
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data->conf2 = adm1031_read_value(client, ADM1031_REG_CONF2);
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data->alarm = adm1031_read_value(client, ADM1031_REG_STATUS(0))
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| (adm1031_read_value(client, ADM1031_REG_STATUS(1)) << 8);
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if (data->chip_type == adm1030)
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data->alarm &= 0xc0ff;
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for (chan = 0; chan < (data->chip_type == adm1030 ? 1 : 2);
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chan++) {
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data->fan_div[chan] =
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adm1031_read_value(client,
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ADM1031_REG_FAN_DIV(chan));
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data->fan_min[chan] =
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adm1031_read_value(client,
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ADM1031_REG_FAN_MIN(chan));
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data->fan[chan] =
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adm1031_read_value(client,
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ADM1031_REG_FAN_SPEED(chan));
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data->pwm[chan] =
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(adm1031_read_value(client,
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ADM1031_REG_PWM) >> (4 * chan)) & 0x0f;
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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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mutex_unlock(&data->update_lock);
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return data;
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}
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static struct i2c_driver adm1031_driver = {
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.class = I2C_CLASS_HWMON,
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.driver = {
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.name = "adm1031",
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},
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.probe = adm1031_probe,
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.remove = adm1031_remove,
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.id_table = adm1031_id,
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.detect = adm1031_detect,
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.address_list = normal_i2c,
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};
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module_i2c_driver(adm1031_driver);
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