diff options
Diffstat (limited to 'drivers/hwmon/lm87.c')
| -rw-r--r-- | drivers/hwmon/lm87.c | 53 |
1 files changed, 22 insertions, 31 deletions
diff --git a/drivers/hwmon/lm87.c b/drivers/hwmon/lm87.c index 2e4a3cea95f..f1e6e7512ff 100644 --- a/drivers/hwmon/lm87.c +++ b/drivers/hwmon/lm87.c @@ -74,11 +74,7 @@ static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; -/* - * Insmod parameters - */ - -I2C_CLIENT_INSMOD_2(lm87, adm1024); +enum chips { lm87, adm1024 }; /* * The LM87 registers @@ -158,7 +154,7 @@ static u8 LM87_REG_TEMP_LOW[3] = { 0x3A, 0x38, 0x2C }; static int lm87_probe(struct i2c_client *client, const struct i2c_device_id *id); -static int lm87_detect(struct i2c_client *new_client, int kind, +static int lm87_detect(struct i2c_client *new_client, struct i2c_board_info *info); static void lm87_init_client(struct i2c_client *client); static int lm87_remove(struct i2c_client *client); @@ -184,7 +180,7 @@ static struct i2c_driver lm87_driver = { .remove = lm87_remove, .id_table = lm87_id, .detect = lm87_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; /* @@ -662,41 +658,36 @@ static const struct attribute_group lm87_group_opt = { }; /* Return 0 if detection is successful, -ENODEV otherwise */ -static int lm87_detect(struct i2c_client *new_client, int kind, +static int lm87_detect(struct i2c_client *new_client, struct i2c_board_info *info) { struct i2c_adapter *adapter = new_client->adapter; - static const char *names[] = { "lm87", "adm1024" }; + const char *name; + u8 cid, rev; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -ENODEV; - /* Default to an LM87 if forced */ - if (kind == 0) - kind = lm87; + if (lm87_read_value(new_client, LM87_REG_CONFIG) & 0x80) + return -ENODEV; /* Now, we do the remaining detection. */ - if (kind < 0) { - u8 cid = lm87_read_value(new_client, LM87_REG_COMPANY_ID); - u8 rev = lm87_read_value(new_client, LM87_REG_REVISION); - - if (cid == 0x02 /* National Semiconductor */ - && (rev >= 0x01 && rev <= 0x08)) - kind = lm87; - else if (cid == 0x41 /* Analog Devices */ - && (rev & 0xf0) == 0x10) - kind = adm1024; - - if (kind < 0 - || (lm87_read_value(new_client, LM87_REG_CONFIG) & 0x80)) { - dev_dbg(&adapter->dev, - "LM87 detection failed at 0x%02x.\n", - new_client->addr); - return -ENODEV; - } + cid = lm87_read_value(new_client, LM87_REG_COMPANY_ID); + rev = lm87_read_value(new_client, LM87_REG_REVISION); + + if (cid == 0x02 /* National Semiconductor */ + && (rev >= 0x01 && rev <= 0x08)) + name = "lm87"; + else if (cid == 0x41 /* Analog Devices */ + && (rev & 0xf0) == 0x10) + name = "adm1024"; + else { + dev_dbg(&adapter->dev, "LM87 detection failed at 0x%02x\n", + new_client->addr); + return -ENODEV; } - strlcpy(info->type, names[kind - 1], I2C_NAME_SIZE); + strlcpy(info->type, name, I2C_NAME_SIZE); return 0; } |