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path: root/drivers/hwmon/w83l786ng.c
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Diffstat (limited to 'drivers/hwmon/w83l786ng.c')
-rw-r--r--drivers/hwmon/w83l786ng.c66
1 files changed, 21 insertions, 45 deletions
diff --git a/drivers/hwmon/w83l786ng.c b/drivers/hwmon/w83l786ng.c
index badca76..0254e18 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);