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path: root/drivers/hwmon/it87.c
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Diffstat (limited to 'drivers/hwmon/it87.c')
-rw-r--r--drivers/hwmon/it87.c25
1 files changed, 17 insertions, 8 deletions
diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
index 6c41e25e670b..0da7c9c508c3 100644
--- a/drivers/hwmon/it87.c
+++ b/drivers/hwmon/it87.c
@@ -213,7 +213,7 @@ struct it87_data {
u8 sensor; /* Register value */
u8 fan_div[3]; /* Register encoding, shifted right */
u8 vid; /* Register encoding, combined */
- int vrm;
+ u8 vrm;
u32 alarms; /* Register encoding, combined */
u8 fan_main_ctrl; /* Register value */
u8 manual_pwm_ctl[3]; /* manual PWM value set by user */
@@ -234,17 +234,18 @@ static void it87_init_client(struct i2c_client *client, struct it87_data *data);
static struct i2c_driver it87_driver = {
- .owner = THIS_MODULE,
- .name = "it87",
+ .driver = {
+ .name = "it87",
+ },
.id = I2C_DRIVERID_IT87,
- .flags = I2C_DF_NOTIFY,
.attach_adapter = it87_attach_adapter,
.detach_client = it87_detach_client,
};
static struct i2c_driver it87_isa_driver = {
- .owner = THIS_MODULE,
- .name = "it87-isa",
+ .driver = {
+ .name = "it87-isa",
+ },
.attach_adapter = it87_isa_attach_adapter,
.detach_client = it87_detach_client,
};
@@ -522,8 +523,15 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
struct i2c_client *client = to_i2c_client(dev);
struct it87_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10);
+ u8 reg = it87_read_value(client, IT87_REG_FAN_DIV);
down(&data->update_lock);
+ switch (nr) {
+ case 0: data->fan_div[nr] = reg & 0x07; break;
+ case 1: data->fan_div[nr] = (reg >> 3) & 0x07; break;
+ case 2: data->fan_div[nr] = (reg & 0x40) ? 3 : 1; break;
+ }
+
data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
it87_write_value(client, IT87_REG_FAN_MIN(nr), data->fan_min[nr]);
up(&data->update_lock);
@@ -661,7 +669,7 @@ static ssize_t
show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf)
{
struct it87_data *data = it87_update_device(dev);
- return sprintf(buf, "%ld\n", (long) data->vrm);
+ return sprintf(buf, "%u\n", data->vrm);
}
static ssize_t
store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
@@ -754,7 +762,8 @@ static int it87_detect(struct i2c_adapter *adapter, int address, int kind)
/* Reserve the ISA region */
if (is_isa)
- if (!request_region(address, IT87_EXTENT, it87_isa_driver.name))
+ if (!request_region(address, IT87_EXTENT,
+ it87_isa_driver.driver.name))
goto ERROR0;
/* For now, we presume we have a valid client. We create the