#include <linux/module.h>
#include <linux/init.h>
#include <linux/slab.h>
+#include <linux/jiffies.h>
#include <linux/i2c.h>
#include <linux/i2c-sensor.h>
.detach_client = gl518_detach_client,
};
-/*
- * Internal variables
- */
-
-static int gl518_id;
-
/*
* Sysfs stuff
*/
struct i2c_client *client = to_i2c_client(dev); \
struct gl518_data *data = i2c_get_clientdata(client); \
long val = simple_strtol(buf, NULL, 10); \
+ \
+ down(&data->update_lock); \
data->value = type##_TO_REG(val); \
gl518_write_value(client, reg, data->value); \
+ up(&data->update_lock); \
return count; \
}
{ \
struct i2c_client *client = to_i2c_client(dev); \
struct gl518_data *data = i2c_get_clientdata(client); \
- int regvalue = gl518_read_value(client, reg); \
+ int regvalue; \
unsigned long val = simple_strtoul(buf, NULL, 10); \
+ \
+ down(&data->update_lock); \
+ regvalue = gl518_read_value(client, reg); \
data->value = type##_TO_REG(val); \
regvalue = (regvalue & ~mask) | (data->value << shift); \
gl518_write_value(client, reg, regvalue); \
+ up(&data->update_lock); \
return count; \
}
{
struct i2c_client *client = to_i2c_client(dev);
struct gl518_data *data = i2c_get_clientdata(client);
- int regvalue = gl518_read_value(client, GL518_REG_FAN_LIMIT);
+ int regvalue;
+ unsigned long val = simple_strtoul(buf, NULL, 10);
- data->fan_min[0] = FAN_TO_REG(simple_strtoul(buf, NULL, 10),
+ down(&data->update_lock);
+ regvalue = gl518_read_value(client, GL518_REG_FAN_LIMIT);
+ data->fan_min[0] = FAN_TO_REG(val,
DIV_FROM_REG(data->fan_div[0]));
regvalue = (regvalue & 0x00ff) | (data->fan_min[0] << 8);
gl518_write_value(client, GL518_REG_FAN_LIMIT, regvalue);
data->beep_mask &= data->alarm_mask;
gl518_write_value(client, GL518_REG_ALARM, data->beep_mask);
+ up(&data->update_lock);
return count;
}
{
struct i2c_client *client = to_i2c_client(dev);
struct gl518_data *data = i2c_get_clientdata(client);
- int regvalue = gl518_read_value(client, GL518_REG_FAN_LIMIT);
+ int regvalue;
+ unsigned long val = simple_strtoul(buf, NULL, 10);
- data->fan_min[1] = FAN_TO_REG(simple_strtoul(buf, NULL, 10),
+ down(&data->update_lock);
+ regvalue = gl518_read_value(client, GL518_REG_FAN_LIMIT);
+ data->fan_min[1] = FAN_TO_REG(val,
DIV_FROM_REG(data->fan_div[1]));
regvalue = (regvalue & 0xff00) | data->fan_min[1];
gl518_write_value(client, GL518_REG_FAN_LIMIT, regvalue);
data->beep_mask &= data->alarm_mask;
gl518_write_value(client, GL518_REG_ALARM, data->beep_mask);
+ up(&data->update_lock);
return count;
}
/* Fill in the remaining client fields */
strlcpy(new_client->name, "gl518sm", I2C_NAME_SIZE);
- new_client->id = gl518_id++;
data->type = kind;
data->valid = 0;
init_MUTEX(&data->update_lock);
down(&data->update_lock);
- if ((jiffies - data->last_updated > HZ + HZ / 2) ||
- (jiffies < data->last_updated) || !data->valid) {
+ if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
+ || !data->valid) {
dev_dbg(&client->dev, "Starting gl518 update\n");
data->alarms = gl518_read_value(client, GL518_REG_INT);