hwmon: 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: Corentin Labbe <corentin.labbe@geomatys.fr>
Cc: "Mark M. Hoffman" <mhoffman@lightlink.com>
Cc: Juerg Haefliger <juergh@gmail.com>
Cc: Riku Voipio <riku.voipio@iki.fi>
Acked-by: "Hans J. Koch" <hjk@linutronix.de>
Cc: Rudolf Marek <r.marek@assembler.cz>
diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c
index 55bd87c..e392548 100644
--- a/drivers/hwmon/lm75.c
+++ b/drivers/hwmon/lm75.c
@@ -239,6 +239,7 @@
{
struct i2c_adapter *adapter = new_client->adapter;
int i;
+ int cur, conf, hyst, os;
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA |
I2C_FUNC_SMBUS_WORD_DATA))
@@ -251,40 +252,35 @@
The cycling+unused addresses combination is not tested,
since it would significantly slow the detection down and would
hardly add any value. */
- if (kind < 0) {
- int cur, conf, hyst, os;
- /* Unused addresses */
- cur = i2c_smbus_read_word_data(new_client, 0);
- conf = i2c_smbus_read_byte_data(new_client, 1);
- hyst = i2c_smbus_read_word_data(new_client, 2);
- if (i2c_smbus_read_word_data(new_client, 4) != hyst
- || i2c_smbus_read_word_data(new_client, 5) != hyst
- || i2c_smbus_read_word_data(new_client, 6) != hyst
- || i2c_smbus_read_word_data(new_client, 7) != hyst)
- return -ENODEV;
- os = i2c_smbus_read_word_data(new_client, 3);
- if (i2c_smbus_read_word_data(new_client, 4) != os
- || i2c_smbus_read_word_data(new_client, 5) != os
- || i2c_smbus_read_word_data(new_client, 6) != os
- || i2c_smbus_read_word_data(new_client, 7) != os)
- return -ENODEV;
+ /* Unused addresses */
+ cur = i2c_smbus_read_word_data(new_client, 0);
+ conf = i2c_smbus_read_byte_data(new_client, 1);
+ hyst = i2c_smbus_read_word_data(new_client, 2);
+ if (i2c_smbus_read_word_data(new_client, 4) != hyst
+ || i2c_smbus_read_word_data(new_client, 5) != hyst
+ || i2c_smbus_read_word_data(new_client, 6) != hyst
+ || i2c_smbus_read_word_data(new_client, 7) != hyst)
+ return -ENODEV;
+ os = i2c_smbus_read_word_data(new_client, 3);
+ if (i2c_smbus_read_word_data(new_client, 4) != os
+ || i2c_smbus_read_word_data(new_client, 5) != os
+ || i2c_smbus_read_word_data(new_client, 6) != os
+ || i2c_smbus_read_word_data(new_client, 7) != os)
+ return -ENODEV;
- /* Unused bits */
- if (conf & 0xe0)
- return -ENODEV;
+ /* Unused bits */
+ if (conf & 0xe0)
+ return -ENODEV;
- /* Addresses cycling */
- for (i = 8; i < 0xff; i += 8)
- if (i2c_smbus_read_byte_data(new_client, i + 1) != conf
- || i2c_smbus_read_word_data(new_client, i + 2) != hyst
- || i2c_smbus_read_word_data(new_client, i + 3) != os)
- return -ENODEV;
+ /* Addresses cycling */
+ for (i = 8; i < 0xff; i += 8) {
+ if (i2c_smbus_read_byte_data(new_client, i + 1) != conf
+ || i2c_smbus_read_word_data(new_client, i + 2) != hyst
+ || i2c_smbus_read_word_data(new_client, i + 3) != os)
+ return -ENODEV;
}
- /* NOTE: we treat "force=..." and "force_lm75=..." the same.
- * Only new-style driver binding distinguishes chip types.
- */
strlcpy(info->type, "lm75", I2C_NAME_SIZE);
return 0;