diff options
Diffstat (limited to 'drivers/hwmon/adm1025.c')
| -rw-r--r-- | drivers/hwmon/adm1025.c | 76 |
1 files changed, 47 insertions, 29 deletions
diff --git a/drivers/hwmon/adm1025.c b/drivers/hwmon/adm1025.c index 60befc0ee65f..b8557f9857d2 100644 --- a/drivers/hwmon/adm1025.c +++ b/drivers/hwmon/adm1025.c @@ -12,7 +12,7 @@ * resolution of about 0.5% of the nominal value). Temperature values are * reported with a 1 deg resolution and a 3 deg accuracy. Complete * datasheet can be obtained from Analog's website at: - * http://www.onsemi.com/PowerSolutions/product.do?id=ADM1025 + * http://www.onsemi.com/PowerSolutions/product.do?id=ADM1025 * * This driver also supports the ADM1025A, which differs from the ADM1025 * only in that it has "open-drain VID inputs while the ADM1025 has @@ -91,15 +91,16 @@ enum chips { adm1025, ne1619 }; static const int in_scale[6] = { 2500, 2250, 3300, 5000, 12000, 3300 }; -#define IN_FROM_REG(reg,scale) (((reg) * (scale) + 96) / 192) -#define IN_TO_REG(val,scale) ((val) <= 0 ? 0 : \ +#define IN_FROM_REG(reg, scale) (((reg) * (scale) + 96) / 192) +#define IN_TO_REG(val, scale) ((val) <= 0 ? 0 : \ (val) * 192 >= (scale) * 255 ? 255 : \ - ((val) * 192 + (scale)/2) / (scale)) + ((val) * 192 + (scale) / 2) / (scale)) #define TEMP_FROM_REG(reg) ((reg) * 1000) #define TEMP_TO_REG(val) ((val) <= -127500 ? -128 : \ (val) >= 126500 ? 127 : \ - (((val) < 0 ? (val)-500 : (val)+500) / 1000)) + (((val) < 0 ? (val) - 500 : \ + (val) + 500) / 1000)) /* * Functions declaration @@ -218,7 +219,12 @@ static ssize_t set_in_min(struct device *dev, struct device_attribute *attr, 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); + long val; + int err; + + err = kstrtol(buf, 10, &val); + if (err) + return err; mutex_lock(&data->update_lock); data->in_min[index] = IN_TO_REG(val, in_scale[index]); @@ -234,7 +240,12 @@ static ssize_t set_in_max(struct device *dev, struct device_attribute *attr, 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); + long val; + int err; + + err = kstrtol(buf, 10, &val); + if (err) + return err; mutex_lock(&data->update_lock); data->in_max[index] = IN_TO_REG(val, in_scale[index]); @@ -264,7 +275,12 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr, 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); + long val; + int err; + + err = kstrtol(buf, 10, &val); + if (err) + return err; mutex_lock(&data->update_lock); data->temp_min[index] = TEMP_TO_REG(val); @@ -280,7 +296,12 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr, 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); + 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); @@ -343,7 +364,14 @@ static ssize_t set_vrm(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct adm1025_data *data = dev_get_drvdata(dev); - data->vrm = simple_strtoul(buf, NULL, 10); + unsigned long val; + int err; + + err = kstrtoul(buf, 10, &val); + if (err) + return err; + + data->vrm = val; return count; } static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm); @@ -462,14 +490,15 @@ static int adm1025_probe(struct i2c_client *client, adm1025_init_client(client); /* Register sysfs hooks */ - if ((err = sysfs_create_group(&client->dev.kobj, &adm1025_group))) + err = sysfs_create_group(&client->dev.kobj, &adm1025_group); + if (err) goto exit_free; /* Pin 11 is either in4 (+12V) or VID4 */ config = i2c_smbus_read_byte_data(client, ADM1025_REG_CONFIG); if (!(config & 0x20)) { - if ((err = sysfs_create_group(&client->dev.kobj, - &adm1025_group_in4))) + err = sysfs_create_group(&client->dev.kobj, &adm1025_group_in4); + if (err) goto exit_remove; } @@ -506,7 +535,7 @@ static void adm1025_init_client(struct i2c_client *client) * setting yet, we better set the high limits to the max so that * no alarm triggers. */ - for (i=0; i<6; i++) { + for (i = 0; i < 6; i++) { reg = i2c_smbus_read_byte_data(client, ADM1025_REG_IN_MAX(i)); if (reg == 0) @@ -514,7 +543,7 @@ static void adm1025_init_client(struct i2c_client *client) ADM1025_REG_IN_MAX(i), 0xFF); } - for (i=0; i<2; i++) { + for (i = 0; i < 2; i++) { reg = i2c_smbus_read_byte_data(client, ADM1025_REG_TEMP_HIGH(i)); if (reg == 0) @@ -555,7 +584,7 @@ static struct adm1025_data *adm1025_update_device(struct device *dev) int i; dev_dbg(&client->dev, "Updating data.\n"); - for (i=0; i<6; i++) { + 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, @@ -563,7 +592,7 @@ static struct adm1025_data *adm1025_update_device(struct device *dev) data->in_max[i] = i2c_smbus_read_byte_data(client, ADM1025_REG_IN_MAX(i)); } - for (i=0; i<2; 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, @@ -589,19 +618,8 @@ static struct adm1025_data *adm1025_update_device(struct device *dev) return data; } -static int __init sensors_adm1025_init(void) -{ - return i2c_add_driver(&adm1025_driver); -} - -static void __exit sensors_adm1025_exit(void) -{ - i2c_del_driver(&adm1025_driver); -} +module_i2c_driver(adm1025_driver); MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>"); MODULE_DESCRIPTION("ADM1025 driver"); MODULE_LICENSE("GPL"); - -module_init(sensors_adm1025_init); -module_exit(sensors_adm1025_exit); |