static void adm1025_init_client(struct i2c_client *client)
{
u8 reg;
struct adm1025_data *data = i2c_get_clientdata(client);
int i;
data->vrm = vid_which_vrm();
/*
* Set high limits
* Usually we avoid setting limits on driver init, but it happens
* that the ADM1025 comes with stupid default limits (all registers
* set to 0). In case the chip has not gone through any limit
* setting yet, we better set the high limits to the max so that
* no alarm triggers.
*/
for (i = 0; i < 6; i++) {
reg = i2c_smbus_read_byte_data(client,
ADM1025_REG_IN_MAX(i));
if (reg == 0)
i2c_smbus_write_byte_data(client,
ADM1025_REG_IN_MAX(i),
0xFF);
}
for (i = 0; i < 2; i++) {
reg = i2c_smbus_read_byte_data(client,
ADM1025_REG_TEMP_HIGH(i));
if (reg == 0)
i2c_smbus_write_byte_data(client,
ADM1025_REG_TEMP_HIGH(i),
0x7F);
}
/*
* Start the conversions
*/
reg = i2c_smbus_read_byte_data(client, ADM1025_REG_CONFIG);
if (!(reg & 0x01))
i2c_smbus_write_byte_data(client, ADM1025_REG_CONFIG,
(reg&0x7E)|0x01);
}
static void adm1025_init_client(struct i2c_client *client)
{
u8 reg;
struct adm1025_data *data = i2c_get_clientdata(client);
int i;
data->vrm = vid_which_vrm();
/*
*/
for (i = 0; i < 6; i++) {
reg = i2c_smbus_read_byte_data(client,
ADM1025_REG_IN_MAX(i));
if (reg == 0)
i2c_smbus_write_byte_data(client,
ADM1025_REG_IN_MAX(i),
0xFF);
}
for (i = 0; i < 2; i++) {
reg = i2c_smbus_read_byte_data(client,
ADM1025_REG_TEMP_HIGH(i));
if (reg == 0)
i2c_smbus_write_byte_data(client,
ADM1025_REG_TEMP_HIGH(i),
0x7F);
}
/*
*/
reg = i2c_smbus_read_byte_data(client, ADM1025_REG_CONFIG);
if (!(reg & 0x01))
i2c_smbus_write_byte_data(client, ADM1025_REG_CONFIG,
(reg&0x7E)|0x01);
}
static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
int index = to_sensor_dev_attr(attr)->index;
struct i2c_client *client = to_i2c_client(dev);
struct adm1025_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
mutex_lock(&data->update_lock);
data->temp_max[index] = TEMP_TO_REG(val);
i2c_smbus_write_byte_data(client, ADM1025_REG_TEMP_HIGH(index),
data->temp_max[index]);
mutex_unlock(&data->update_lock);
return count;
}
static struct adm1025_data *adm1025_update_device(struct device *dev)
{
struct adm1025_data *data = dev_get_drvdata(dev);
struct i2c_client *client = data->client;
mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + HZ * 2) || !data->valid) {
int i;
dev_dbg(&client->dev, "Updating data.\n");
for (i = 0; i < 6; i++) {
data->in[i] = i2c_smbus_read_byte_data(client,
ADM1025_REG_IN(i));
data->in_min[i] = i2c_smbus_read_byte_data(client,
ADM1025_REG_IN_MIN(i));
data->in_max[i] = i2c_smbus_read_byte_data(client,
ADM1025_REG_IN_MAX(i));
}
for (i = 0; i < 2; i++) {
data->temp[i] = i2c_smbus_read_byte_data(client,
ADM1025_REG_TEMP(i));
data->temp_min[i] = i2c_smbus_read_byte_data(client,
ADM1025_REG_TEMP_LOW(i));
data->temp_max[i] = i2c_smbus_read_byte_data(client,
ADM1025_REG_TEMP_HIGH(i));
}
data->alarms = i2c_smbus_read_byte_data(client,
ADM1025_REG_STATUS1)
| (i2c_smbus_read_byte_data(client,
ADM1025_REG_STATUS2) << 8);
data->vid = (i2c_smbus_read_byte_data(client,
ADM1025_REG_VID) & 0x0f)
| ((i2c_smbus_read_byte_data(client,
ADM1025_REG_VID4) & 0x01) << 4);
data->last_updated = jiffies;
data->valid = 1;
}
mutex_unlock(&data->update_lock);
return data;
}
static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
int index = to_sensor_dev_attr(attr)->index;
struct adm1025_data *data = dev_get_drvdata(dev);
struct i2c_client *client = data->client;
long val;
int err;
err = kstrtol(buf, 10, &val);
if (err)
return err;
mutex_lock(&data->update_lock);
data->temp_max[index] = TEMP_TO_REG(val);
i2c_smbus_write_byte_data(client, ADM1025_REG_TEMP_HIGH(index),
data->temp_max[index]);
mutex_unlock(&data->update_lock);
return count;
}
