hwmon: (lm77) Clean up detect function

As kind is now hard-coded to -1, there is room for code clean-ups.

Signed-off-by: Jean Delvare <khali@linux-fr.org>

diff --git a/drivers/hwmon/lm77.c b/drivers/hwmon/lm77.c
index 866b401..ac067fd 100644 (file)
--- a/drivers/hwmon/lm77.c
+++ b/drivers/hwmon/lm77.c
@@ -249,6 +249,7 @@ static int lm77_detect(struct i2c_client *new_client, int kind,
                       struct i2c_board_info *info)
 {
        struct i2c_adapter *adapter = new_client->adapter;
+       int i, cur, conf, hyst, crit, min, max;
 
        if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA |
                                     I2C_FUNC_SMBUS_WORD_DATA))
@@ -265,51 +266,48 @@ static int lm77_detect(struct i2c_client *new_client, int kind,
           4. registers cycling over 8-address boundaries
 
           Word-sized registers are high-byte first. */
-       if (kind < 0) {
-               int i, cur, conf, hyst, crit, min, max;
-
-               /* addresses cycling */
-               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);
-               crit = i2c_smbus_read_word_data(new_client, 3);
-               min = i2c_smbus_read_word_data(new_client, 4);
-               max = i2c_smbus_read_word_data(new_client, 5);
-               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) != crit
-                           || i2c_smbus_read_word_data(new_client, i + 4) != min
-                           || i2c_smbus_read_word_data(new_client, i + 5) != max)
-                               return -ENODEV;
-
-               /* sign bits */
-               if (((cur & 0x00f0) != 0xf0 && (cur & 0x00f0) != 0x0)
-                   || ((hyst & 0x00f0) != 0xf0 && (hyst & 0x00f0) != 0x0)
-                   || ((crit & 0x00f0) != 0xf0 && (crit & 0x00f0) != 0x0)
-                   || ((min & 0x00f0) != 0xf0 && (min & 0x00f0) != 0x0)
-                   || ((max & 0x00f0) != 0xf0 && (max & 0x00f0) != 0x0))
-                       return -ENODEV;
 
-               /* unused bits */
-               if (conf & 0xe0)
+       /* addresses cycling */
+       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);
+       crit = i2c_smbus_read_word_data(new_client, 3);
+       min = i2c_smbus_read_word_data(new_client, 4);
+       max = i2c_smbus_read_word_data(new_client, 5);
+       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) != crit
+                || i2c_smbus_read_word_data(new_client, i + 4) != min
+                || i2c_smbus_read_word_data(new_client, i + 5) != max)
                        return -ENODEV;
+       }
 
-               /* 0x06 and 0x07 return the last read value */
-               cur = i2c_smbus_read_word_data(new_client, 0);
-               if (i2c_smbus_read_word_data(new_client, 6) != cur
-                   || i2c_smbus_read_word_data(new_client, 7) != cur)
-                       return -ENODEV;
-               hyst = i2c_smbus_read_word_data(new_client, 2);
-               if (i2c_smbus_read_word_data(new_client, 6) != hyst
-                   || i2c_smbus_read_word_data(new_client, 7) != hyst)
-                       return -ENODEV;
-               min = i2c_smbus_read_word_data(new_client, 4);
-               if (i2c_smbus_read_word_data(new_client, 6) != min
-                   || i2c_smbus_read_word_data(new_client, 7) != min)
-                       return -ENODEV;
+       /* sign bits */
+       if (((cur & 0x00f0) != 0xf0 && (cur & 0x00f0) != 0x0)
+        || ((hyst & 0x00f0) != 0xf0 && (hyst & 0x00f0) != 0x0)
+        || ((crit & 0x00f0) != 0xf0 && (crit & 0x00f0) != 0x0)
+        || ((min & 0x00f0) != 0xf0 && (min & 0x00f0) != 0x0)
+        || ((max & 0x00f0) != 0xf0 && (max & 0x00f0) != 0x0))
+               return -ENODEV;
 
-       }
+       /* unused bits */
+       if (conf & 0xe0)
+               return -ENODEV;
+
+       /* 0x06 and 0x07 return the last read value */
+       cur = i2c_smbus_read_word_data(new_client, 0);
+       if (i2c_smbus_read_word_data(new_client, 6) != cur
+        || i2c_smbus_read_word_data(new_client, 7) != cur)
+               return -ENODEV;
+       hyst = i2c_smbus_read_word_data(new_client, 2);
+       if (i2c_smbus_read_word_data(new_client, 6) != hyst
+        || i2c_smbus_read_word_data(new_client, 7) != hyst)
+               return -ENODEV;
+       min = i2c_smbus_read_word_data(new_client, 4);
+       if (i2c_smbus_read_word_data(new_client, 6) != min
+        || i2c_smbus_read_word_data(new_client, 7) != min)
+               return -ENODEV;
 
        strlcpy(info->type, "lm77", I2C_NAME_SIZE);