diff options
Diffstat (limited to 'drivers/hwmon/adm1021.c')
-rw-r--r-- | drivers/hwmon/adm1021.c | 87 |
1 files changed, 30 insertions, 57 deletions
diff --git a/drivers/hwmon/adm1021.c b/drivers/hwmon/adm1021.c index afc59431812..1ad0a885c5a 100644 --- a/drivers/hwmon/adm1021.c +++ b/drivers/hwmon/adm1021.c @@ -34,9 +34,8 @@ static const unsigned short normal_i2c[] = { 0x18, 0x19, 0x1a, 0x29, 0x2a, 0x2b, 0x4c, 0x4d, 0x4e, I2C_CLIENT_END }; -/* Insmod parameters */ -I2C_CLIENT_INSMOD_8(adm1021, adm1023, max1617, max1617a, thmc10, lm84, gl523sm, - mc1066); +enum chips { + adm1021, adm1023, max1617, max1617a, thmc10, lm84, gl523sm, mc1066 }; /* adm1021 constants specified below */ @@ -97,7 +96,7 @@ struct adm1021_data { static int adm1021_probe(struct i2c_client *client, const struct i2c_device_id *id); -static int adm1021_detect(struct i2c_client *client, int kind, +static int adm1021_detect(struct i2c_client *client, struct i2c_board_info *info); static void adm1021_init_client(struct i2c_client *client); static int adm1021_remove(struct i2c_client *client); @@ -130,7 +129,7 @@ static struct i2c_driver adm1021_driver = { .remove = adm1021_remove, .id_table = adm1021_id, .detect = adm1021_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; static ssize_t show_temp(struct device *dev, @@ -284,13 +283,12 @@ static const struct attribute_group adm1021_group = { }; /* Return 0 if detection is successful, -ENODEV otherwise */ -static int adm1021_detect(struct i2c_client *client, int kind, +static int adm1021_detect(struct i2c_client *client, struct i2c_board_info *info) { struct i2c_adapter *adapter = client->adapter; - int i; - const char *type_name = ""; - int conv_rate, status, config; + const char *type_name; + int conv_rate, status, config, man_id, dev_id; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { pr_debug("adm1021: detect failed, " @@ -303,62 +301,37 @@ static int adm1021_detect(struct i2c_client *client, int kind, ADM1021_REG_CONV_RATE_R); config = i2c_smbus_read_byte_data(client, ADM1021_REG_CONFIG_R); - /* Now, we do the remaining detection. */ - if (kind < 0) { - if ((status & 0x03) != 0x00 || (config & 0x3F) != 0x00 - || (conv_rate & 0xF8) != 0x00) { - pr_debug("adm1021: detect failed, " - "chip not detected!\n"); - return -ENODEV; - } + /* Check unused bits */ + if ((status & 0x03) || (config & 0x3F) || (conv_rate & 0xF8)) { + pr_debug("adm1021: detect failed, chip not detected!\n"); + return -ENODEV; } /* Determine the chip type. */ - if (kind <= 0) { - i = i2c_smbus_read_byte_data(client, ADM1021_REG_MAN_ID); - if (i == 0x41) - if ((i2c_smbus_read_byte_data(client, - ADM1021_REG_DEV_ID) & 0xF0) == 0x30) - kind = adm1023; - else - kind = adm1021; - else if (i == 0x49) - kind = thmc10; - else if (i == 0x23) - kind = gl523sm; - else if ((i == 0x4d) && - (i2c_smbus_read_byte_data(client, - ADM1021_REG_DEV_ID) == 0x01)) - kind = max1617a; - else if (i == 0x54) - kind = mc1066; - /* LM84 Mfr ID in a different place, and it has more unused bits */ - else if (conv_rate == 0x00 - && (kind == 0 /* skip extra detection */ - || ((config & 0x7F) == 0x00 - && (status & 0xAB) == 0x00))) - kind = lm84; - else - kind = max1617; - } + man_id = i2c_smbus_read_byte_data(client, ADM1021_REG_MAN_ID); + dev_id = i2c_smbus_read_byte_data(client, ADM1021_REG_DEV_ID); - if (kind == max1617) { - type_name = "max1617"; - } else if (kind == max1617a) { + if (man_id == 0x4d && dev_id == 0x01) type_name = "max1617a"; - } else if (kind == adm1021) { - type_name = "adm1021"; - } else if (kind == adm1023) { - type_name = "adm1023"; - } else if (kind == thmc10) { + else if (man_id == 0x41) { + if ((dev_id & 0xF0) == 0x30) + type_name = "adm1023"; + else + type_name = "adm1021"; + } else if (man_id == 0x49) type_name = "thmc10"; - } else if (kind == lm84) { - type_name = "lm84"; - } else if (kind == gl523sm) { + else if (man_id == 0x23) type_name = "gl523sm"; - } else if (kind == mc1066) { + else if (man_id == 0x54) type_name = "mc1066"; - } + /* LM84 Mfr ID in a different place, and it has more unused bits */ + else if (conv_rate == 0x00 + && (config & 0x7F) == 0x00 + && (status & 0xAB) == 0x00) + type_name = "lm84"; + else + type_name = "max1617"; + pr_debug("adm1021: Detected chip %s at adapter %d, address 0x%02x.\n", type_name, i2c_adapter_id(adapter), client->addr); strlcpy(info->type, type_name, I2C_NAME_SIZE); |