Merge branch 'hwmon-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6

* 'hwmon-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6:
  hwmon: (f75375s) Remove unnecessary and confusing initialization
  hwmon: (it87) Properly decode -128 degrees C temperature
  hwmon: (lm90) Document support for the MAX6648/6692 chips
  hwmon: (abituguru3) Fix I/O error handling

6 files changed, 26 insertions, 13 deletions

diff --git a/Documentation/hwmon/lm90 b/Documentation/hwmon/lm90
index 0e8411710238..93d8e3d55150 100644
--- a/Documentation/hwmon/lm90
+++ b/Documentation/hwmon/lm90
@@ -42,6 +42,11 @@ Supported chips:
     Addresses scanned: I2C 0x4e
     Datasheet: Publicly available at the Maxim website
                http://www.maxim-ic.com/quick_view2.cfm/qv_pk/3497
+  * Maxim MAX6648
+    Prefix: 'max6646'
+    Addresses scanned: I2C 0x4c
+    Datasheet: Publicly available at the Maxim website
+               http://www.maxim-ic.com/quick_view2.cfm/qv_pk/3500
   * Maxim MAX6649
     Prefix: 'max6646'
     Addresses scanned: I2C 0x4c
@@ -74,6 +79,11 @@ Supported chips:
                            0x4c, 0x4d and 0x4e
     Datasheet: Publicly available at the Maxim website
                http://www.maxim-ic.com/quick_view2.cfm/qv_pk/3370
+  * Maxim MAX6692
+    Prefix: 'max6646'
+    Addresses scanned: I2C 0x4c
+    Datasheet: Publicly available at the Maxim website
+               http://www.maxim-ic.com/quick_view2.cfm/qv_pk/3500
 
 
 Author: Jean Delvare <khali@linux-fr.org>
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index b84bf066879b..b4eea0292c1a 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -543,8 +543,8 @@ config SENSORS_LM90
         help
           If you say yes here you get support for National Semiconductor LM90,
           LM86, LM89 and LM99, Analog Devices ADM1032 and ADT7461, and Maxim
-          MAX6646, MAX6647, MAX6649, MAX6657, MAX6658, MAX6659, MAX6680 and
-          MAX6681 sensor chips.
+          MAX6646, MAX6647, MAX6648, MAX6649, MAX6657, MAX6658, MAX6659,
+          MAX6680, MAX6681 and MAX6692 sensor chips.
 
           This driver can also be built as a module.  If so, the module
           will be called lm90.
diff --git a/drivers/hwmon/abituguru3.c b/drivers/hwmon/abituguru3.c
index e52b38806d03..ad2b3431b725 100644
--- a/drivers/hwmon/abituguru3.c
+++ b/drivers/hwmon/abituguru3.c
@@ -760,8 +760,11 @@ static int abituguru3_read_increment_offset(struct abituguru3_data *data,
 
         for (i = 0; i < offset_count; i++)
                 if ((x = abituguru3_read(data, bank, offset + i, count,
-                                buf + i * count)) != count)
-                        return i * count + (i && (x < 0)) ? 0 : x;
+                                buf + i * count)) != count) {
+                        if (x < 0)
+                                return x;
+                        return i * count + x;
+                }
 
         return i * count;
 }
diff --git a/drivers/hwmon/f75375s.c b/drivers/hwmon/f75375s.c
index 1692de369969..18a1ba888165 100644
--- a/drivers/hwmon/f75375s.c
+++ b/drivers/hwmon/f75375s.c
@@ -617,7 +617,7 @@ static void f75375_init(struct i2c_client *client, struct f75375_data *data,
 static int f75375_probe(struct i2c_client *client,
                 const struct i2c_device_id *id)
 {
-        struct f75375_data *data = i2c_get_clientdata(client);
+        struct f75375_data *data;
         struct f75375s_platform_data *f75375s_pdata = client->dev.platform_data;
         int err;
 
diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
index 95a99c590da2..9157247fed8e 100644
--- a/drivers/hwmon/it87.c
+++ b/drivers/hwmon/it87.c
@@ -213,7 +213,7 @@ static inline u16 FAN16_TO_REG(long rpm)
 
 #define TEMP_TO_REG(val) (SENSORS_LIMIT(((val)<0?(((val)-500)/1000):\
                                         ((val)+500)/1000),-128,127))
-#define TEMP_FROM_REG(val) (((val)>0x80?(val)-0x100:(val))*1000)
+#define TEMP_FROM_REG(val) ((val) * 1000)
 
 #define PWM_TO_REG(val)   ((val) >> 1)
 #define PWM_FROM_REG(val) (((val)&0x7f) << 1)
@@ -267,9 +267,9 @@ struct it87_data {
         u8 has_fan;             /* Bitfield, fans enabled */
         u16 fan[5];             /* Register values, possibly combined */
         u16 fan_min[5];         /* Register values, possibly combined */
-        u8 temp[3];             /* Register value */
-        u8 temp_high[3];        /* Register value */
-        u8 temp_low[3];         /* Register value */
+        s8 temp[3];             /* Register value */
+        s8 temp_high[3];        /* Register value */
+        s8 temp_low[3];         /* Register value */
         u8 sensor;              /* Register value */
         u8 fan_div[3];          /* Register encoding, shifted right */
         u8 vid;                 /* Register encoding, combined */
diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c
index 96a701866726..1aff7575799d 100644
--- a/drivers/hwmon/lm90.c
+++ b/drivers/hwmon/lm90.c
@@ -32,10 +32,10 @@
  * supported by this driver. These chips lack the remote temperature
  * offset feature.
  *
- * This driver also supports the MAX6646, MAX6647 and MAX6649 chips
- * made by Maxim.  These are again similar to the LM86, but they use
- * unsigned temperature values and can report temperatures from 0 to
- * 145 degrees.
+ * This driver also supports the MAX6646, MAX6647, MAX6648, MAX6649 and
+ * MAX6692 chips made by Maxim.  These are again similar to the LM86,
+ * but they use unsigned temperature values and can report temperatures
+ * from 0 to 145 degrees.
  *
  * This driver also supports the MAX6680 and MAX6681, two other sensor
  * chips made by Maxim. These are quite similar to the other Maxim