diff options
Diffstat (limited to 'drivers/hwmon/w83l786ng.c')
-rw-r--r-- | drivers/hwmon/w83l786ng.c | 66 |
1 files changed, 21 insertions, 45 deletions
diff --git a/drivers/hwmon/w83l786ng.c b/drivers/hwmon/w83l786ng.c index badca769f350..0254e181893d 100644 --- a/drivers/hwmon/w83l786ng.c +++ b/drivers/hwmon/w83l786ng.c @@ -38,7 +38,6 @@ static const unsigned short normal_i2c[] = { 0x2e, 0x2f, I2C_CLIENT_END }; /* Insmod parameters */ -I2C_CLIENT_INSMOD_1(w83l786ng); static int reset; module_param(reset, bool, 0); @@ -147,14 +146,14 @@ struct w83l786ng_data { static int w83l786ng_probe(struct i2c_client *client, const struct i2c_device_id *id); -static int w83l786ng_detect(struct i2c_client *client, int kind, +static int w83l786ng_detect(struct i2c_client *client, struct i2c_board_info *info); static int w83l786ng_remove(struct i2c_client *client); static void w83l786ng_init_client(struct i2c_client *client); static struct w83l786ng_data *w83l786ng_update_device(struct device *dev); static const struct i2c_device_id w83l786ng_id[] = { - { "w83l786ng", w83l786ng }, + { "w83l786ng", 0 }, { } }; MODULE_DEVICE_TABLE(i2c, w83l786ng_id); @@ -168,7 +167,7 @@ static struct i2c_driver w83l786ng_driver = { .remove = w83l786ng_remove, .id_table = w83l786ng_id, .detect = w83l786ng_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; static u8 @@ -586,57 +585,34 @@ static const struct attribute_group w83l786ng_group = { }; static int -w83l786ng_detect(struct i2c_client *client, int kind, - struct i2c_board_info *info) +w83l786ng_detect(struct i2c_client *client, struct i2c_board_info *info) { struct i2c_adapter *adapter = client->adapter; + u16 man_id; + u8 chip_id; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { return -ENODEV; } - /* - * Now we do the remaining detection. A negative kind means that - * the driver was loaded with no force parameter (default), so we - * must both detect and identify the chip (actually there is only - * one possible kind of chip for now, W83L786NG). A zero kind means - * that the driver was loaded with the force parameter, the detection - * step shall be skipped. A positive kind means that the driver - * was loaded with the force parameter and a given kind of chip is - * requested, so both the detection and the identification steps - * are skipped. - */ - if (kind < 0) { /* detection */ - if (((w83l786ng_read_value(client, - W83L786NG_REG_CONFIG) & 0x80) != 0x00)) { - dev_dbg(&adapter->dev, - "W83L786NG detection failed at 0x%02x.\n", - client->addr); - return -ENODEV; - } + /* Detection */ + if ((w83l786ng_read_value(client, W83L786NG_REG_CONFIG) & 0x80)) { + dev_dbg(&adapter->dev, "W83L786NG detection failed at 0x%02x\n", + client->addr); + return -ENODEV; } - if (kind <= 0) { /* identification */ - u16 man_id; - u8 chip_id; - - man_id = (w83l786ng_read_value(client, - W83L786NG_REG_MAN_ID1) << 8) + - w83l786ng_read_value(client, W83L786NG_REG_MAN_ID2); - chip_id = w83l786ng_read_value(client, W83L786NG_REG_CHIP_ID); - - if (man_id == 0x5CA3) { /* Winbond */ - if (chip_id == 0x80) { /* W83L786NG */ - kind = w83l786ng; - } - } + /* Identification */ + man_id = (w83l786ng_read_value(client, W83L786NG_REG_MAN_ID1) << 8) + + w83l786ng_read_value(client, W83L786NG_REG_MAN_ID2); + chip_id = w83l786ng_read_value(client, W83L786NG_REG_CHIP_ID); - if (kind <= 0) { /* identification failed */ - dev_info(&adapter->dev, - "Unsupported chip (man_id=0x%04X, " - "chip_id=0x%02X).\n", man_id, chip_id); - return -ENODEV; - } + if (man_id != 0x5CA3 || /* Winbond */ + chip_id != 0x80) { /* W83L786NG */ + dev_dbg(&adapter->dev, + "Unsupported chip (man_id=0x%04X, chip_id=0x%02X)\n", + man_id, chip_id); + return -ENODEV; } strlcpy(info->type, "w83l786ng", I2C_NAME_SIZE); |