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| author | Jean Delvare <khali@linux-fr.org> | 2009-12-09 20:35:54 +0100 |
|---|---|---|
| committer | Jean Delvare <khali@linux-fr.org> | 2009-12-09 20:35:54 +0100 |
| commit | dbe73c8f454a40de06039ec97bc0272f41f1d3c7 (patch) | |
| tree | 5bc08b0a733b5e199112d5c3bb49d3280b3a4895 /drivers/hwmon/tmp421.c | |
| parent | 8f2fa77c53ba8c10696143c21b4111d449c85fb2 (diff) | |
| download | kernel_samsung_smdk4412-dbe73c8f454a40de06039ec97bc0272f41f1d3c7.zip kernel_samsung_smdk4412-dbe73c8f454a40de06039ec97bc0272f41f1d3c7.tar.gz kernel_samsung_smdk4412-dbe73c8f454a40de06039ec97bc0272f41f1d3c7.tar.bz2 | |
hwmon: (tmp401/tmp421) Clean up detect functions
As kind is now hard-coded to -1, there is room for code clean-ups.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Andre Prendel <andre.prendel@gmx.de>
Diffstat (limited to 'drivers/hwmon/tmp421.c')
| -rw-r--r-- | drivers/hwmon/tmp421.c | 45 |
1 files changed, 21 insertions, 24 deletions
diff --git a/drivers/hwmon/tmp421.c b/drivers/hwmon/tmp421.c index 2092434..bb5464a 100644 --- a/drivers/hwmon/tmp421.c +++ b/drivers/hwmon/tmp421.c @@ -223,39 +223,36 @@ static int tmp421_init_client(struct i2c_client *client) return 0; } -static int tmp421_detect(struct i2c_client *client, int kind, +static int tmp421_detect(struct i2c_client *client, int _kind, struct i2c_board_info *info) { + enum chips kind; struct i2c_adapter *adapter = client->adapter; const char *names[] = { "TMP421", "TMP422", "TMP423" }; + u8 reg; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -ENODEV; - if (kind <= 0) { - u8 reg; - - reg = i2c_smbus_read_byte_data(client, - TMP421_MANUFACTURER_ID_REG); - if (reg != TMP421_MANUFACTURER_ID) - return -ENODEV; - - reg = i2c_smbus_read_byte_data(client, - TMP421_DEVICE_ID_REG); - switch (reg) { - case TMP421_DEVICE_ID: - kind = tmp421; - break; - case TMP422_DEVICE_ID: - kind = tmp422; - break; - case TMP423_DEVICE_ID: - kind = tmp423; - break; - default: - return -ENODEV; - } + reg = i2c_smbus_read_byte_data(client, TMP421_MANUFACTURER_ID_REG); + if (reg != TMP421_MANUFACTURER_ID) + return -ENODEV; + + reg = i2c_smbus_read_byte_data(client, TMP421_DEVICE_ID_REG); + switch (reg) { + case TMP421_DEVICE_ID: + kind = tmp421; + break; + case TMP422_DEVICE_ID: + kind = tmp422; + break; + case TMP423_DEVICE_ID: + kind = tmp423; + break; + default: + return -ENODEV; } + strlcpy(info->type, tmp421_id[kind - 1].name, I2C_NAME_SIZE); dev_info(&adapter->dev, "Detected TI %s chip at 0x%02x\n", names[kind - 1], client->addr); |