Merge branch 'quilt/jdelvare-hwmon'

3 files changed, 252 insertions, 128 deletions

diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index bf4ebfb86fa5..47a264fff286 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -494,11 +494,8 @@ config SENSORS_LM90
 	depends on I2C
 	help
 	  If you say yes here you get support for National Semiconductor LM90,
-	  LM86, LM89 and LM99, Analog Devices ADM1032 and Maxim MAX6657,
-	  MAX6658, MAX6659, MAX6680 and MAX6681 sensor chips.
-
-	  The Analog Devices ADT7461 sensor chip is also supported, but only
-	  if found in ADM1032 compatibility mode.
+	  LM86, LM89 and LM99, Analog Devices ADM1032 and ADT7461, and Maxim
+	  MAX6657, MAX6658, MAX6659, MAX6680 and MAX6681 sensor chips.
 
 	  This driver can also be built as a module.  If so, the module
 	  will be called lm90.
diff --git a/drivers/hwmon/ad7414.c b/drivers/hwmon/ad7414.c
index ce8d94fbfd7e..bfda8c80ef24 100644
--- a/drivers/hwmon/ad7414.c
+++ b/drivers/hwmon/ad7414.c
@@ -69,7 +69,7 @@ static inline int ad7414_write(struct i2c_client *client, u8 reg, u8 value)
 	return i2c_smbus_write_byte_data(client, reg, value);
 }
 
-struct ad7414_data *ad7414_update_device(struct device *dev)
+static struct ad7414_data *ad7414_update_device(struct device *dev)
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct ad7414_data *data = i2c_get_clientdata(client);
diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c
index c24fe36ac787..85ba2c4feb46 100644
--- a/drivers/hwmon/lm90.c
+++ b/drivers/hwmon/lm90.c
@@ -1,14 +1,12 @@
 /*
  * lm90.c - Part of lm_sensors, Linux kernel modules for hardware
  *          monitoring
- * Copyright (C) 2003-2006  Jean Delvare <khali@linux-fr.org>
+ * Copyright (C) 2003-2008  Jean Delvare <khali@linux-fr.org>
  *
  * Based on the lm83 driver. The LM90 is a sensor chip made by National
  * Semiconductor. It reports up to two temperatures (its own plus up to
  * one external one) with a 0.125 deg resolution (1 deg for local
- * temperature) and a 3-4 deg accuracy. Complete datasheet can be
- * obtained from National's website at:
- *   http://www.national.com/pf/LM/LM90.html
+ * temperature) and a 3-4 deg accuracy.
  *
  * This driver also supports the LM89 and LM99, two other sensor chips
  * made by National Semiconductor. Both have an increased remote
@@ -16,29 +14,19 @@
  * additionally shifts remote temperatures (measured and limits) by 16
  * degrees, which allows for higher temperatures measurement. The
  * driver doesn't handle it since it can be done easily in user-space.
- * Complete datasheets can be obtained from National's website at:
- *   http://www.national.com/pf/LM/LM89.html
- *   http://www.national.com/pf/LM/LM99.html
  * Note that there is no way to differentiate between both chips.
  *
  * This driver also supports the LM86, another sensor chip made by
  * National Semiconductor. It is exactly similar to the LM90 except it
  * has a higher accuracy.
- * Complete datasheet can be obtained from National's website at:
- *   http://www.national.com/pf/LM/LM86.html
  *
  * This driver also supports the ADM1032, a sensor chip made by Analog
  * Devices. That chip is similar to the LM90, with a few differences
- * that are not handled by this driver. Complete datasheet can be
- * obtained from Analog's website at:
- *   http://www.analog.com/en/prod/0,2877,ADM1032,00.html
- * Among others, it has a higher accuracy than the LM90, much like the
- * LM86 does.
+ * that are not handled by this driver. Among others, it has a higher
+ * accuracy than the LM90, much like the LM86 does.
  *
  * This driver also supports the MAX6657, MAX6658 and MAX6659 sensor
- * chips made by Maxim. These chips are similar to the LM86. Complete
- * datasheet can be obtained at Maxim's website at:
- *   http://www.maxim-ic.com/quick_view2.cfm/qv_pk/2578
+ * chips made by Maxim. These chips are similar to the LM86.
  * Note that there is no easy way to differentiate between the three
  * variants. The extra address and features of the MAX6659 are not
  * supported by this driver. These chips lack the remote temperature
@@ -46,18 +34,13 @@
  *
  * This driver also supports the MAX6680 and MAX6681, two other sensor
  * chips made by Maxim. These are quite similar to the other Maxim
- * chips. Complete datasheet can be obtained at:
- *   http://www.maxim-ic.com/quick_view2.cfm/qv_pk/3370
- * The MAX6680 and MAX6681 only differ in the pinout so they can be
- * treated identically.
+ * chips. The MAX6680 and MAX6681 only differ in the pinout so they can
+ * be treated identically.
  *
- * This driver also supports the ADT7461 chip from Analog Devices but
- * only in its "compatability mode". If an ADT7461 chip is found but
- * is configured in non-compatible mode (where its temperature
- * register values are decoded differently) it is ignored by this
- * driver. Complete datasheet can be obtained from Analog's website
- * at:
- *   http://www.analog.com/en/prod/0,2877,ADT7461,00.html
+ * This driver also supports the ADT7461 chip from Analog Devices.
+ * It's supported in both compatibility and extended mode. It is mostly
+ * compatible with LM90 except for a data format difference for the
+ * temperature value registers.
  *
  * Since the LM90 was the first chipset supported by this driver, most
  * comments will refer to this chipset, but are actually general and
@@ -149,39 +132,14 @@ I2C_CLIENT_INSMOD_7(lm90, adm1032, lm99, lm86, max6657, adt7461, max6680);
 #define LM90_REG_R_TCRIT_HYST		0x21
 #define LM90_REG_W_TCRIT_HYST		0x21
 
-/*
- * Conversions and various macros
- * For local temperatures and limits, critical limits and the hysteresis
- * value, the LM90 uses signed 8-bit values with LSB = 1 degree Celsius.
- * For remote temperatures and limits, it uses signed 11-bit values with
- * LSB = 0.125 degree Celsius, left-justified in 16-bit registers.
- */
+/* MAX6657-specific registers */
 
-#define TEMP1_FROM_REG(val)	((val) * 1000)
-#define TEMP1_TO_REG(val)	((val) <= -128000 ? -128 : \
-				 (val) >= 127000 ? 127 : \
-				 (val) < 0 ? ((val) - 500) / 1000 : \
-				 ((val) + 500) / 1000)
-#define TEMP2_FROM_REG(val)	((val) / 32 * 125)
-#define TEMP2_TO_REG(val)	((val) <= -128000 ? 0x8000 : \
-				 (val) >= 127875 ? 0x7FE0 : \
-				 (val) < 0 ? ((val) - 62) / 125 * 32 : \
-				 ((val) + 62) / 125 * 32)
-#define HYST_TO_REG(val)	((val) <= 0 ? 0 : (val) >= 30500 ? 31 : \
-				 ((val) + 500) / 1000)
-
-/* 
- * ADT7461 is almost identical to LM90 except that attempts to write
- * values that are outside the range 0 < temp < 127 are treated as
- * the boundary value. 
- */
+#define MAX6657_REG_R_LOCAL_TEMPL	0x11
 
-#define TEMP1_TO_REG_ADT7461(val) ((val) <= 0 ? 0 : \
-				 (val) >= 127000 ? 127 : \
-				 ((val) + 500) / 1000)
-#define TEMP2_TO_REG_ADT7461(val) ((val) <= 0 ? 0 : \
-				 (val) >= 127750 ? 0x7FC0 : \
-				 ((val) + 125) / 250 * 64)
+/*
+ * Device flags
+ */
+#define LM90_FLAG_ADT7461_EXT		0x01	/* ADT7461 extended mode */
 
 /*
  * Functions declaration
@@ -237,22 +195,130 @@ struct lm90_data {
 	char valid; /* zero until following fields are valid */
 	unsigned long last_updated; /* in jiffies */
 	int kind;
+	int flags;
 
 	/* registers values */
-	s8 temp8[5];	/* 0: local input
-			   1: local low limit
-			   2: local high limit
-			   3: local critical limit
-			   4: remote critical limit */
-	s16 temp11[4];	/* 0: remote input
+	s8 temp8[4];	/* 0: local low limit
+			   1: local high limit
+			   2: local critical limit
+			   3: remote critical limit */
+	s16 temp11[5];	/* 0: remote input
 			   1: remote low limit
 			   2: remote high limit
-			   3: remote offset (except max6657) */
+			   3: remote offset (except max6657)
+			   4: local input */
 	u8 temp_hyst;
 	u8 alarms; /* bitvector */
 };
 
 /*
+ * Conversions
+ * For local temperatures and limits, critical limits and the hysteresis
+ * value, the LM90 uses signed 8-bit values with LSB = 1 degree Celsius.
+ * For remote temperatures and limits, it uses signed 11-bit values with
+ * LSB = 0.125 degree Celsius, left-justified in 16-bit registers.
+ */
+
+static inline int temp_from_s8(s8 val)
+{
+	return val * 1000;
+}
+
+static inline int temp_from_s16(s16 val)
+{
+	return val / 32 * 125;
+}
+
+static s8 temp_to_s8(long val)
+{
+	if (val <= -128000)
+		return -128;
+	if (val >= 127000)
+		return 127;
+	if (val < 0)
+		return (val - 500) / 1000;
+	return (val + 500) / 1000;
+}
+
+static s16 temp_to_s16(long val)
+{
+	if (val <= -128000)
+		return 0x8000;
+	if (val >= 127875)
+		return 0x7FE0;
+	if (val < 0)
+		return (val - 62) / 125 * 32;
+	return (val + 62) / 125 * 32;
+}
+
+static u8 hyst_to_reg(long val)
+{
+	if (val <= 0)
+		return 0;
+	if (val >= 30500)
+		return 31;
+	return (val + 500) / 1000;
+}
+
+/*
+ * ADT7461 in compatibility mode is almost identical to LM90 except that
+ * attempts to write values that are outside the range 0 < temp < 127 are
+ * treated as the boundary value.
+ *
+ * ADT7461 in "extended mode" operation uses unsigned integers offset by
+ * 64 (e.g., 0 -> -64 degC).  The range is restricted to -64..191 degC.
+ */
+static inline int temp_from_u8_adt7461(struct lm90_data *data, u8 val)
+{
+	if (data->flags & LM90_FLAG_ADT7461_EXT)
+		return (val - 64) * 1000;
+	else
+		return temp_from_s8(val);
+}
+
+static inline int temp_from_u16_adt7461(struct lm90_data *data, u16 val)
+{
+	if (data->flags & LM90_FLAG_ADT7461_EXT)
+		return (val - 0x4000) / 64 * 250;
+	else
+		return temp_from_s16(val);
+}
+
+static u8 temp_to_u8_adt7461(struct lm90_data *data, long val)
+{
+	if (data->flags & LM90_FLAG_ADT7461_EXT) {
+		if (val <= -64000)
+			return 0;
+		if (val >= 191000)
+			return 0xFF;
+		return (val + 500 + 64000) / 1000;
+	} else {
+		if (val <= 0)
+			return 0;
+		if (val >= 127000)
+			return 127;
+		return (val + 500) / 1000;
+	}
+}
+
+static u16 temp_to_u16_adt7461(struct lm90_data *data, long val)
+{
+	if (data->flags & LM90_FLAG_ADT7461_EXT) {
+		if (val <= -64000)
+			return 0;
+		if (val >= 191750)
+			return 0xFFC0;
+		return (val + 64000 + 125) / 250 * 64;
+	} else {
+		if (val <= 0)
+			return 0;
+		if (val >= 127750)
+			return 0x7FC0;
+		return (val + 125) / 250 * 64;
+	}
+}
+
+/*
  * Sysfs stuff
  */
 
@@ -261,7 +327,14 @@ static ssize_t show_temp8(struct device *dev, struct device_attribute *devattr,
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct lm90_data *data = lm90_update_device(dev);
-	return sprintf(buf, "%d\n", TEMP1_FROM_REG(data->temp8[attr->index]));
+	int temp;
+
+	if (data->kind == adt7461)
+		temp = temp_from_u8_adt7461(data, data->temp8[attr->index]);
+	else
+		temp = temp_from_s8(data->temp8[attr->index]);
+
+	return sprintf(buf, "%d\n", temp);
 }
 
 static ssize_t set_temp8(struct device *dev, struct device_attribute *devattr,
@@ -282,10 +355,10 @@ static ssize_t set_temp8(struct device *dev, struct device_attribute *devattr,
 
 	mutex_lock(&data->update_lock);
 	if (data->kind == adt7461)
-		data->temp8[nr] = TEMP1_TO_REG_ADT7461(val);
+		data->temp8[nr] = temp_to_u8_adt7461(data, val);
 	else
-		data->temp8[nr] = TEMP1_TO_REG(val);
-	i2c_smbus_write_byte_data(client, reg[nr - 1], data->temp8[nr]);
+		data->temp8[nr] = temp_to_s8(val);
+	i2c_smbus_write_byte_data(client, reg[nr], data->temp8[nr]);
 	mutex_unlock(&data->update_lock);
 	return count;
 }
@@ -295,7 +368,14 @@ static ssize_t show_temp11(struct device *dev, struct device_attribute *devattr,
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct lm90_data *data = lm90_update_device(dev);
-	return sprintf(buf, "%d\n", TEMP2_FROM_REG(data->temp11[attr->index]));
+	int temp;
+
+	if (data->kind == adt7461)
+		temp = temp_from_u16_adt7461(data, data->temp11[attr->index]);
+	else
+		temp = temp_from_s16(data->temp11[attr->index]);
+
+	return sprintf(buf, "%d\n", temp);
 }
 
 static ssize_t set_temp11(struct device *dev, struct device_attribute *devattr,
@@ -318,13 +398,17 @@ static ssize_t set_temp11(struct device *dev, struct device_attribute *devattr,
 
 	mutex_lock(&data->update_lock);
 	if (data->kind == adt7461)
-		data->temp11[nr] = TEMP2_TO_REG_ADT7461(val);
+		data->temp11[nr] = temp_to_u16_adt7461(data, val);
+	else if (data->kind == max6657 || data->kind == max6680)
+		data->temp11[nr] = temp_to_s8(val) << 8;
 	else
-		data->temp11[nr] = TEMP2_TO_REG(val);
+		data->temp11[nr] = temp_to_s16(val);
+
 	i2c_smbus_write_byte_data(client, reg[(nr - 1) * 2],
 				  data->temp11[nr] >> 8);
-	i2c_smbus_write_byte_data(client, reg[(nr - 1) * 2 + 1],
-				  data->temp11[nr] & 0xff);
+	if (data->kind != max6657 && data->kind != max6680)
+		i2c_smbus_write_byte_data(client, reg[(nr - 1) * 2 + 1],
+					  data->temp11[nr] & 0xff);
 	mutex_unlock(&data->update_lock);
 	return count;
 }
@@ -334,8 +418,14 @@ static ssize_t show_temphyst(struct device *dev, struct device_attribute *devatt
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct lm90_data *data = lm90_update_device(dev);
-	return sprintf(buf, "%d\n", TEMP1_FROM_REG(data->temp8[attr->index])
-		       - TEMP1_FROM_REG(data->temp_hyst));
+	int temp;
+
+	if (data->kind == adt7461)
+		temp = temp_from_u8_adt7461(data, data->temp8[attr->index]);
+	else
+		temp = temp_from_s8(data->temp8[attr->index]);
+
+	return sprintf(buf, "%d\n", temp - temp_from_s8(data->temp_hyst));
 }
 
 static ssize_t set_temphyst(struct device *dev, struct device_attribute *dummy,
@@ -347,9 +437,9 @@ static ssize_t set_temphyst(struct device *dev, struct device_attribute *dummy,
 	long hyst;
 
 	mutex_lock(&data->update_lock);
-	hyst = TEMP1_FROM_REG(data->temp8[3]) - val;
+	hyst = temp_from_s8(data->temp8[2]) - val;
 	i2c_smbus_write_byte_data(client, LM90_REG_W_TCRIT_HYST,
-				  HYST_TO_REG(hyst));
+				  hyst_to_reg(hyst));
 	mutex_unlock(&data->update_lock);
 	return count;
 }
@@ -371,23 +461,23 @@ static ssize_t show_alarm(struct device *dev, struct device_attribute
 	return sprintf(buf, "%d\n", (data->alarms >> bitnr) & 1);
 }
 
-static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp8, NULL, 0);
+static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp11, NULL, 4);
 static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp11, NULL, 0);
 static SENSOR_DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO, show_temp8,
-	set_temp8, 1);
+	set_temp8, 0);
 static SENSOR_DEVICE_ATTR(temp2_min, S_IWUSR | S_IRUGO, show_temp11,
 	set_temp11, 1);
 static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp8,
-	set_temp8, 2);
+	set_temp8, 1);
 static SENSOR_DEVICE_ATTR(temp2_max, S_IWUSR | S_IRUGO, show_temp11,
 	set_temp11, 2);
 static SENSOR_DEVICE_ATTR(temp1_crit, S_IWUSR | S_IRUGO, show_temp8,
-	set_temp8, 3);
+	set_temp8, 2);
 static SENSOR_DEVICE_ATTR(temp2_crit, S_IWUSR | S_IRUGO, show_temp8,
-	set_temp8, 4);
+	set_temp8, 3);
 static SENSOR_DEVICE_ATTR(temp1_crit_hyst, S_IWUSR | S_IRUGO, show_temphyst,
-	set_temphyst, 3);
-static SENSOR_DEVICE_ATTR(temp2_crit_hyst, S_IRUGO, show_temphyst, NULL, 4);
+	set_temphyst, 2);
+static SENSOR_DEVICE_ATTR(temp2_crit_hyst, S_IRUGO, show_temphyst, NULL, 3);
 static SENSOR_DEVICE_ATTR(temp2_offset, S_IWUSR | S_IRUGO, show_temp11,
 	set_temp11, 3);
 
@@ -568,7 +658,7 @@ static int lm90_detect(struct i2c_client *new_client, int kind,
 				kind = adm1032;
 			} else
 			if (chip_id == 0x51 /* ADT7461 */
-			 && (reg_config1 & 0x1F) == 0x00 /* check compat mode */
+			 && (reg_config1 & 0x1B) == 0x00
 			 && reg_convrate <= 0x0A) {
 				kind = adt7461;
 			}
@@ -707,6 +797,12 @@ static void lm90_init_client(struct i2c_client *client)
 	}
 	config_orig = config;
 
+	/* Check Temperature Range Select */
+	if (data->kind == adt7461) {
+		if (config & 0x04)
+			data->flags |= LM90_FLAG_ADT7461_EXT;
+	}
+
 	/*
 	 * Put MAX6680/MAX8881 into extended resolution (bit 0x10,
 	 * 0.125 degree resolution) and range (0x08, extend range
@@ -736,6 +832,38 @@ static int lm90_remove(struct i2c_client *client)
 	return 0;
 }
 
+static int lm90_read16(struct i2c_client *client, u8 regh, u8 regl, u16 *value)
+{
+	int err;
+	u8 oldh, newh, l;
+
+	/*
+	 * There is a trick here. We have to read two registers to have the
+	 * sensor temperature, but we have to beware a conversion could occur
+	 * inbetween the readings. The datasheet says we should either use
+	 * the one-shot conversion register, which we don't want to do
+	 * (disables hardware monitoring) or monitor the busy bit, which is
+	 * impossible (we can't read the values and monitor that bit at the
+	 * exact same time). So the solution used here is to read the high
+	 * byte once, then the low byte, then the high byte again. If the new
+	 * high byte matches the old one, then we have a valid reading. Else
+	 * we have to read the low byte again, and now we believe we have a
+	 * correct reading.
+	 */
+	if ((err = lm90_read_reg(client, regh, &oldh))
+	 || (err = lm90_read_reg(client, regl, &l))
+	 || (err = lm90_read_reg(client, regh, &newh)))
+		return err;
+	if (oldh != newh) {
+		err = lm90_read_reg(client, regl, &l);
+		if (err)
+			return err;
+	}
+	*value = (newh << 8) | l;
+
+	return 0;
+}
+
 static struct lm90_data *lm90_update_device(struct device *dev)
 {
 	struct i2c_client *client = to_i2c_client(dev);
@@ -744,49 +872,48 @@ static struct lm90_data *lm90_update_device(struct device *dev)
 	mutex_lock(&data->update_lock);
 
 	if (time_after(jiffies, data->last_updated + HZ * 2) || !data->valid) {
-		u8 oldh, newh, l;
+		u8 h, l;
 
 		dev_dbg(&client->dev, "Updating lm90 data.\n");
-		lm90_read_reg(client, LM90_REG_R_LOCAL_TEMP, &data->temp8[0]);
-		lm90_read_reg(client, LM90_REG_R_LOCAL_LOW, &data->temp8[1]);
-		lm90_read_reg(client, LM90_REG_R_LOCAL_HIGH, &data->temp8[2]);
-		lm90_read_reg(client, LM90_REG_R_LOCAL_CRIT, &data->temp8[3]);
-		lm90_read_reg(client, LM90_REG_R_REMOTE_CRIT, &data->temp8[4]);
+		lm90_read_reg(client, LM90_REG_R_LOCAL_LOW, &data->temp8[0]);
+		lm90_read_reg(client, LM90_REG_R_LOCAL_HIGH, &data->temp8[1]);
+		lm90_read_reg(client, LM90_REG_R_LOCAL_CRIT, &data->temp8[2]);
+		lm90_read_reg(client, LM90_REG_R_REMOTE_CRIT, &data->temp8[3]);
 		lm90_read_reg(client, LM90_REG_R_TCRIT_HYST, &data->temp_hyst);
 
-		/*
-		 * There is a trick here. We have to read two registers to
-		 * have the remote sensor temperature, but we have to beware
-		 * a conversion could occur inbetween the readings. The
-		 * datasheet says we should either use the one-shot
-		 * conversion register, which we don't want to do (disables
-		 * hardware monitoring) or monitor the busy bit, which is
-		 * impossible (we can't read the values and monitor that bit
-		 * at the exact same time). So the solution used here is to
-		 * read the high byte once, then the low byte, then the high
-		 * byte again. If the new high byte matches the old one,
-		 * then we have a valid reading. Else we have to read the low
-		 * byte again, and now we believe we have a correct reading.
-		 */
-		if (lm90_read_reg(client, LM90_REG_R_REMOTE_TEMPH, &oldh) == 0
-		 && lm90_read_reg(client, LM90_REG_R_REMOTE_TEMPL, &l) == 0
-		 && lm90_read_reg(client, LM90_REG_R_REMOTE_TEMPH, &newh) == 0
-		 && (newh == oldh
-		  || lm90_read_reg(client, LM90_REG_R_REMOTE_TEMPL, &l) == 0))
-			data->temp11[0] = (newh << 8) | l;
-
-		if (lm90_read_reg(client, LM90_REG_R_REMOTE_LOWH, &newh) == 0
-		 && lm90_read_reg(client, LM90_REG_R_REMOTE_LOWL, &l) == 0)
-			data->temp11[1] = (newh << 8) | l;
-		if (lm90_read_reg(client, LM90_REG_R_REMOTE_HIGHH, &newh) == 0
-		 && lm90_read_reg(client, LM90_REG_R_REMOTE_HIGHL, &l) == 0)
-			data->temp11[2] = (newh << 8) | l;
+		if (data->kind == max6657) {
+			lm90_read16(client, LM90_REG_R_LOCAL_TEMP,
+				    MAX6657_REG_R_LOCAL_TEMPL,
+				    &data->temp11[4]);
+		} else {
+			if (lm90_read_reg(client, LM90_REG_R_LOCAL_TEMP,
+					  &h) == 0)
+				data->temp11[4] = h << 8;
+		}
+		lm90_read16(client, LM90_REG_R_REMOTE_TEMPH,
+			    LM90_REG_R_REMOTE_TEMPL, &data->temp11[0]);
+
+		if (lm90_read_reg(client, LM90_REG_R_REMOTE_LOWH, &h) == 0) {
+			data->temp11[1] = h << 8;
+			if (data->kind != max6657 && data->kind != max6680
+			 && lm90_read_reg(client, LM90_REG_R_REMOTE_LOWL,
+					  &l) == 0)
+				data->temp11[1] |= l;
+		}
+		if (lm90_read_reg(client, LM90_REG_R_REMOTE_HIGHH, &h) == 0) {
+			data->temp11[2] = h << 8;
+			if (data->kind != max6657 && data->kind != max6680
+			 && lm90_read_reg(client, LM90_REG_R_REMOTE_HIGHL,
+					  &l) == 0)
+				data->temp11[2] |= l;
+		}
+
 		if (data->kind != max6657) {
 			if (lm90_read_reg(client, LM90_REG_R_REMOTE_OFFSH,
-					  &newh) == 0
+					  &h) == 0
 			 && lm90_read_reg(client, LM90_REG_R_REMOTE_OFFSL,
 					  &l) == 0)
-				data->temp11[3] = (newh << 8) | l;
+				data->temp11[3] = (h << 8) | l;
 		}
 		lm90_read_reg(client, LM90_REG_R_STATUS, &data->alarms);