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authorLinus Torvalds <torvalds@linux-foundation.org>2011-03-21 14:02:55 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-03-21 14:02:55 -0700
commitafd8c40431cc9e3b468a506cbf9957ffca3466fe (patch)
tree7d5b54557a67de132d62fcb0b43184a4969644d0 /drivers
parent366f7e7a79b19bd8c4e8f55fdf12b81538d1a7a4 (diff)
parentc0046867f34bb81ec3f237ebbc5241ae678b8379 (diff)
downloadlinux-afd8c40431cc9e3b468a506cbf9957ffca3466fe.tar.gz
Merge branch 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
  hwmon: (ads1015) Make gain and datarate configurable
  hwmon: (ads1015) Drop dynamic attribute group
  hwmon: Add support for Texas Instruments ADS1015
  hwmon: New driver for SMSC SCH5627
  hwmon: (abituguru*) Update my email address
  hwmon: (lm75) Speed up detection
  hwmon: (lm75) Add detection of the National Semiconductor LM75A
  hp_accel: Fix driver name
  Move lis3lv02d drivers to drivers/misc
  Move hp_accel to drivers/platform/x86
  Let Kconfig handle lis3lv02d dependencies
  hwmon: (sht15) Fix integer overflow in humidity calculation
  hwmon: (sht15) Spelling fix
  hwmon: (w83795) Document pin mapping
Diffstat (limited to 'drivers')
-rw-r--r--drivers/hwmon/Kconfig85
-rw-r--r--drivers/hwmon/Makefile5
-rw-r--r--drivers/hwmon/abituguru.c4
-rw-r--r--drivers/hwmon/abituguru3.c4
-rw-r--r--drivers/hwmon/ads1015.c337
-rw-r--r--drivers/hwmon/lm75.c66
-rw-r--r--drivers/hwmon/sch5627.c858
-rw-r--r--drivers/hwmon/sht15.c6
-rw-r--r--drivers/misc/Kconfig9
-rw-r--r--drivers/misc/Makefile1
-rw-r--r--drivers/misc/lis3lv02d/Kconfig37
-rw-r--r--drivers/misc/lis3lv02d/Makefile7
-rw-r--r--drivers/misc/lis3lv02d/lis3lv02d.c (renamed from drivers/hwmon/lis3lv02d.c)3
-rw-r--r--drivers/misc/lis3lv02d/lis3lv02d.h (renamed from drivers/hwmon/lis3lv02d.h)0
-rw-r--r--drivers/misc/lis3lv02d/lis3lv02d_i2c.c (renamed from drivers/hwmon/lis3lv02d_i2c.c)2
-rw-r--r--drivers/misc/lis3lv02d/lis3lv02d_spi.c (renamed from drivers/hwmon/lis3lv02d_spi.c)0
-rw-r--r--drivers/platform/x86/Kconfig18
-rw-r--r--drivers/platform/x86/Makefile1
-rw-r--r--drivers/platform/x86/hp_accel.c (renamed from drivers/hwmon/hp_accel.c)7
19 files changed, 1347 insertions, 103 deletions
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 1bfb4439e4e1..e4bd13b3cd8b 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -521,7 +521,7 @@ config SENSORS_LM75
 		- Dallas Semiconductor DS75 and DS1775
 		- Maxim MAX6625 and MAX6626
 		- Microchip MCP980x
-		- National Semiconductor LM75
+		- National Semiconductor LM75, LM75A
 		- NXP's LM75A
 		- ST Microelectronics STDS75
 		- TelCom (now Microchip) TCN75
@@ -959,6 +959,25 @@ config SENSORS_SMSC47B397
 	  This driver can also be built as a module.  If so, the module
 	  will be called smsc47b397.
 
+config SENSORS_SCH5627
+	tristate "SMSC SCH5627"
+	help
+	  If you say yes here you get support for the hardware monitoring
+	  features of the SMSC SCH5627 Super-I/O chip.
+
+	  This driver can also be built as a module.  If so, the module
+	  will be called sch5627.
+
+config SENSORS_ADS1015
+	tristate "Texas Instruments ADS1015"
+	depends on I2C
+	help
+	  If you say yes here you get support for Texas Instruments ADS1015
+	  12-bit 4-input ADC device.
+
+	  This driver can also be built as a module.  If so, the module
+	  will be called ads1015.
+
 config SENSORS_ADS7828
 	tristate "Texas Instruments ADS7828"
 	depends on I2C
@@ -1215,40 +1234,6 @@ config SENSORS_ULTRA45
 	  This driver provides support for the Ultra45 workstation environmental
 	  sensors.
 
-config SENSORS_LIS3_SPI
-	tristate "STMicroeletronics LIS3LV02Dx three-axis digital accelerometer (SPI)"
-	depends on !ACPI && SPI_MASTER && INPUT
-	select INPUT_POLLDEV
-	default n
-	help
-	  This driver provides support for the LIS3LV02Dx accelerometer connected
-	  via SPI. The accelerometer data is readable via
-	  /sys/devices/platform/lis3lv02d.
-
-	  This driver also provides an absolute input class device, allowing
-	  the laptop to act as a pinball machine-esque joystick.
-
-	  This driver can also be built as modules.  If so, the core module
-	  will be called lis3lv02d and a specific module for the SPI transport
-	  is called lis3lv02d_spi.
-
-config SENSORS_LIS3_I2C
-	tristate "STMicroeletronics LIS3LV02Dx three-axis digital accelerometer (I2C)"
-	depends on I2C && INPUT
-	select INPUT_POLLDEV
-	default n
-	help
-	  This driver provides support for the LIS3LV02Dx accelerometer connected
-	  via I2C. The accelerometer data is readable via
-	  /sys/devices/platform/lis3lv02d.
-
-	  This driver also provides an absolute input class device, allowing
-	  the device to act as a pinball machine-esque joystick.
-
-	  This driver can also be built as modules.  If so, the core module
-	  will be called lis3lv02d and a specific module for the I2C transport
-	  is called lis3lv02d_i2c.
-
 config SENSORS_APPLESMC
 	tristate "Apple SMC (Motion sensor, light sensor, keyboard backlight)"
 	depends on INPUT && X86
@@ -1296,36 +1281,6 @@ config SENSORS_ATK0110
 	  This driver can also be built as a module. If so, the module
 	  will be called asus_atk0110.
 
-config SENSORS_LIS3LV02D
-	tristate "STMicroeletronics LIS3* three-axis digital accelerometer"
-	depends on INPUT
-	select INPUT_POLLDEV
-	select NEW_LEDS
-	select LEDS_CLASS
-	default n
-	help
-	  This driver provides support for the LIS3* accelerometers, such as the
-	  LIS3LV02DL or the LIS331DL. In particular, it can be found in a number
-	  of HP laptops, which have the "Mobile Data Protection System 3D" or
-	  "3D DriveGuard" feature. On such systems the driver should load
-	  automatically (via ACPI alias). The accelerometer might also be found
-	  in other systems, connected via SPI or I2C. The accelerometer data is
-	  readable via /sys/devices/platform/lis3lv02d.
-
-	  This driver also provides an absolute input class device, allowing
-	  a laptop to act as a pinball machine-esque joystick. It provides also
-	  a misc device which can be used to detect free-fall. On HP laptops,
-	  if the led infrastructure is activated, support for a led indicating
-	  disk protection will be provided as hp::hddprotect. For more
-	  information on the feature, refer to Documentation/hwmon/lis3lv02d.
-
-	  This driver can also be built as modules.  If so, the core module
-	  will be called lis3lv02d and a specific module for HP laptops will be
-	  called hp_accel.
-
-	  Say Y here if you have an applicable laptop and want to experience
-	  the awesome power of lis3lv02d.
-
 endif # ACPI
 
 endif # HWMON
diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile
index 8a238dec5691..54ca5939d028 100644
--- a/drivers/hwmon/Makefile
+++ b/drivers/hwmon/Makefile
@@ -29,6 +29,7 @@ obj-$(CONFIG_SENSORS_ADM1026)	+= adm1026.o
 obj-$(CONFIG_SENSORS_ADM1029)	+= adm1029.o
 obj-$(CONFIG_SENSORS_ADM1031)	+= adm1031.o
 obj-$(CONFIG_SENSORS_ADM9240)	+= adm9240.o
+obj-$(CONFIG_SENSORS_ADS1015)	+= ads1015.o
 obj-$(CONFIG_SENSORS_ADS7828)	+= ads7828.o
 obj-$(CONFIG_SENSORS_ADS7871)	+= ads7871.o
 obj-$(CONFIG_SENSORS_ADT7411)	+= adt7411.o
@@ -63,9 +64,6 @@ obj-$(CONFIG_SENSORS_JZ4740)	+= jz4740-hwmon.o
 obj-$(CONFIG_SENSORS_K8TEMP)	+= k8temp.o
 obj-$(CONFIG_SENSORS_K10TEMP)	+= k10temp.o
 obj-$(CONFIG_SENSORS_LINEAGE)	+= lineage-pem.o
-obj-$(CONFIG_SENSORS_LIS3LV02D) += lis3lv02d.o hp_accel.o
-obj-$(CONFIG_SENSORS_LIS3_SPI)	+= lis3lv02d.o lis3lv02d_spi.o
-obj-$(CONFIG_SENSORS_LIS3_I2C)	+= lis3lv02d.o lis3lv02d_i2c.o
 obj-$(CONFIG_SENSORS_LM63)	+= lm63.o
 obj-$(CONFIG_SENSORS_LM70)	+= lm70.o
 obj-$(CONFIG_SENSORS_LM73)	+= lm73.o
@@ -93,6 +91,7 @@ obj-$(CONFIG_SENSORS_PC87360)	+= pc87360.o
 obj-$(CONFIG_SENSORS_PC87427)	+= pc87427.o
 obj-$(CONFIG_SENSORS_PCF8591)	+= pcf8591.o
 obj-$(CONFIG_SENSORS_S3C)	+= s3c-hwmon.o
+obj-$(CONFIG_SENSORS_SCH5627)	+= sch5627.o
 obj-$(CONFIG_SENSORS_SHT15)	+= sht15.o
 obj-$(CONFIG_SENSORS_SHT21)	+= sht21.o
 obj-$(CONFIG_SENSORS_SIS5595)	+= sis5595.o
diff --git a/drivers/hwmon/abituguru.c b/drivers/hwmon/abituguru.c
index 8f07a9dda152..0e05aa179eaa 100644
--- a/drivers/hwmon/abituguru.c
+++ b/drivers/hwmon/abituguru.c
@@ -1,5 +1,5 @@
 /*
-    abituguru.c Copyright (c) 2005-2006 Hans de Goede <j.w.r.degoede@hhs.nl>
+    abituguru.c Copyright (c) 2005-2006 Hans de Goede <hdegoede@redhat.com>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -1505,7 +1505,7 @@ static void __exit abituguru_exit(void)
 	platform_driver_unregister(&abituguru_driver);
 }
 
-MODULE_AUTHOR("Hans de Goede <j.w.r.degoede@hhs.nl>");
+MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>");
 MODULE_DESCRIPTION("Abit uGuru Sensor device");
 MODULE_LICENSE("GPL");
 
diff --git a/drivers/hwmon/abituguru3.c b/drivers/hwmon/abituguru3.c
index 48d21e22e930..034cebfcd273 100644
--- a/drivers/hwmon/abituguru3.c
+++ b/drivers/hwmon/abituguru3.c
@@ -1,7 +1,7 @@
 /*
     abituguru3.c
 
-    Copyright (c) 2006-2008 Hans de Goede <j.w.r.degoede@hhs.nl>
+    Copyright (c) 2006-2008 Hans de Goede <hdegoede@redhat.com>
     Copyright (c) 2008 Alistair John Strachan <alistair@devzero.co.uk>
 
     This program is free software; you can redistribute it and/or modify
@@ -1266,7 +1266,7 @@ static void __exit abituguru3_exit(void)
 	platform_driver_unregister(&abituguru3_driver);
 }
 
-MODULE_AUTHOR("Hans de Goede <j.w.r.degoede@hhs.nl>");
+MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>");
 MODULE_DESCRIPTION("Abit uGuru3 Sensor device");
 MODULE_LICENSE("GPL");
 
diff --git a/drivers/hwmon/ads1015.c b/drivers/hwmon/ads1015.c
new file mode 100644
index 000000000000..e9beeda4cbe5
--- /dev/null
+++ b/drivers/hwmon/ads1015.c
@@ -0,0 +1,337 @@
+/*
+ * ads1015.c - lm_sensors driver for ads1015 12-bit 4-input ADC
+ * (C) Copyright 2010
+ * Dirk Eibach, Guntermann & Drunck GmbH <eibach@gdsys.de>
+ *
+ * Based on the ads7828 driver by Steve Hardy.
+ *
+ * Datasheet available at: http://focus.ti.com/lit/ds/symlink/ads1015.pdf
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/i2c.h>
+#include <linux/hwmon.h>
+#include <linux/hwmon-sysfs.h>
+#include <linux/err.h>
+#include <linux/mutex.h>
+#include <linux/of.h>
+
+#include <linux/i2c/ads1015.h>
+
+/* ADS1015 registers */
+enum {
+	ADS1015_CONVERSION = 0,
+	ADS1015_CONFIG = 1,
+};
+
+/* PGA fullscale voltages in mV */
+static const unsigned int fullscale_table[8] = {
+	6144, 4096, 2048, 1024, 512, 256, 256, 256 };
+
+/* Data rates in samples per second */
+static const unsigned int data_rate_table[8] = {
+	128, 250, 490, 920, 1600, 2400, 3300, 3300 };
+
+#define ADS1015_DEFAULT_CHANNELS 0xff
+#define ADS1015_DEFAULT_PGA 2
+#define ADS1015_DEFAULT_DATA_RATE 4
+
+struct ads1015_data {
+	struct device *hwmon_dev;
+	struct mutex update_lock; /* mutex protect updates */
+	struct ads1015_channel_data channel_data[ADS1015_CHANNELS];
+};
+
+static s32 ads1015_read_reg(struct i2c_client *client, unsigned int reg)
+{
+	s32 data = i2c_smbus_read_word_data(client, reg);
+
+	return (data < 0) ? data : swab16(data);
+}
+
+static s32 ads1015_write_reg(struct i2c_client *client, unsigned int reg,
+			     u16 val)
+{
+	return i2c_smbus_write_word_data(client, reg, swab16(val));
+}
+
+static int ads1015_read_value(struct i2c_client *client, unsigned int channel,
+			      int *value)
+{
+	u16 config;
+	s16 conversion;
+	struct ads1015_data *data = i2c_get_clientdata(client);
+	unsigned int pga = data->channel_data[channel].pga;
+	int fullscale;
+	unsigned int data_rate = data->channel_data[channel].data_rate;
+	unsigned int conversion_time_ms;
+	int res;
+
+	mutex_lock(&data->update_lock);
+
+	/* get channel parameters */
+	res = ads1015_read_reg(client, ADS1015_CONFIG);
+	if (res < 0)
+		goto err_unlock;
+	config = res;
+	fullscale = fullscale_table[pga];
+	conversion_time_ms = DIV_ROUND_UP(1000, data_rate_table[data_rate]);
+
+	/* setup and start single conversion */
+	config &= 0x001f;
+	config |= (1 << 15) | (1 << 8);
+	config |= (channel & 0x0007) << 12;
+	config |= (pga & 0x0007) << 9;
+	config |= (data_rate & 0x0007) << 5;
+
+	res = ads1015_write_reg(client, ADS1015_CONFIG, config);
+	if (res < 0)
+		goto err_unlock;
+
+	/* wait until conversion finished */
+	msleep(conversion_time_ms);
+	res = ads1015_read_reg(client, ADS1015_CONFIG);
+	if (res < 0)
+		goto err_unlock;
+	config = res;
+	if (!(config & (1 << 15))) {
+		/* conversion not finished in time */
+		res = -EIO;
+		goto err_unlock;
+	}
+
+	res = ads1015_read_reg(client, ADS1015_CONVERSION);
+	if (res < 0)
+		goto err_unlock;
+	conversion = res;
+
+	mutex_unlock(&data->update_lock);
+
+	*value = DIV_ROUND_CLOSEST(conversion * fullscale, 0x7ff0);
+
+	return 0;
+
+err_unlock:
+	mutex_unlock(&data->update_lock);
+	return res;
+}
+
+/* sysfs callback function */
+static ssize_t show_in(struct device *dev, struct device_attribute *da,
+	char *buf)
+{
+	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
+	struct i2c_client *client = to_i2c_client(dev);
+	int in;
+	int res;
+
+	res = ads1015_read_value(client, attr->index, &in);
+
+	return (res < 0) ? res : sprintf(buf, "%d\n", in);
+}
+
+static const struct sensor_device_attribute ads1015_in[] = {
+	SENSOR_ATTR(in0_input, S_IRUGO, show_in, NULL, 0),
+	SENSOR_ATTR(in1_input, S_IRUGO, show_in, NULL, 1),
+	SENSOR_ATTR(in2_input, S_IRUGO, show_in, NULL, 2),
+	SENSOR_ATTR(in3_input, S_IRUGO, show_in, NULL, 3),
+	SENSOR_ATTR(in4_input, S_IRUGO, show_in, NULL, 4),
+	SENSOR_ATTR(in5_input, S_IRUGO, show_in, NULL, 5),
+	SENSOR_ATTR(in6_input, S_IRUGO, show_in, NULL, 6),
+	SENSOR_ATTR(in7_input, S_IRUGO, show_in, NULL, 7),
+};
+
+/*
+ * Driver interface
+ */
+
+static int ads1015_remove(struct i2c_client *client)
+{
+	struct ads1015_data *data = i2c_get_clientdata(client);
+	int k;
+
+	hwmon_device_unregister(data->hwmon_dev);
+	for (k = 0; k < ADS1015_CHANNELS; ++k)
+		device_remove_file(&client->dev, &ads1015_in[k].dev_attr);
+	kfree(data);
+	return 0;
+}
+
+#ifdef CONFIG_OF
+static int ads1015_get_channels_config_of(struct i2c_client *client)
+{
+	struct ads1015_data *data = i2c_get_clientdata(client);
+	struct device_node *node;
+
+	if (!client->dev.of_node
+	    || !of_get_next_child(client->dev.of_node, NULL))
+		return -EINVAL;
+
+	for_each_child_of_node(client->dev.of_node, node) {
+		const __be32 *property;
+		int len;
+		unsigned int channel;
+		unsigned int pga = ADS1015_DEFAULT_PGA;
+		unsigned int data_rate = ADS1015_DEFAULT_DATA_RATE;
+
+		property = of_get_property(node, "reg", &len);
+		if (!property || len != sizeof(int)) {
+			dev_err(&client->dev, "invalid reg on %s\n",
+				node->full_name);
+			continue;
+		}
+
+		channel = be32_to_cpup(property);
+		if (channel > ADS1015_CHANNELS) {
+			dev_err(&client->dev,
+				"invalid channel index %d on %s\n",
+				channel, node->full_name);
+			continue;
+		}
+
+		property = of_get_property(node, "ti,gain", &len);
+		if (property && len == sizeof(int)) {
+			pga = be32_to_cpup(property);
+			if (pga > 6) {
+				dev_err(&client->dev,
+					"invalid gain on %s\n",
+					node->full_name);
+			}
+		}
+
+		property = of_get_property(node, "ti,datarate", &len);
+		if (property && len == sizeof(int)) {
+			data_rate = be32_to_cpup(property);
+			if (data_rate > 7) {
+				dev_err(&client->dev,
+					"invalid data_rate on %s\n",
+					node->full_name);
+			}
+		}
+
+		data->channel_data[channel].enabled = true;
+		data->channel_data[channel].pga = pga;
+		data->channel_data[channel].data_rate = data_rate;
+	}
+
+	return 0;
+}
+#endif
+
+static void ads1015_get_channels_config(struct i2c_client *client)
+{
+	unsigned int k;
+	struct ads1015_data *data = i2c_get_clientdata(client);
+	struct ads1015_platform_data *pdata = dev_get_platdata(&client->dev);
+
+	/* prefer platform data */
+	if (pdata) {
+		memcpy(data->channel_data, pdata->channel_data,
+		       sizeof(data->channel_data));
+		return;
+	}
+
+#ifdef CONFIG_OF
+	if (!ads1015_get_channels_config_of(client))
+		return;
+#endif
+
+	/* fallback on default configuration */
+	for (k = 0; k < ADS1015_CHANNELS; ++k) {
+		data->channel_data[k].enabled = true;
+		data->channel_data[k].pga = ADS1015_DEFAULT_PGA;
+		data->channel_data[k].data_rate = ADS1015_DEFAULT_DATA_RATE;
+	}
+}
+
+static int ads1015_probe(struct i2c_client *client,
+			 const struct i2c_device_id *id)
+{
+	struct ads1015_data *data;
+	int err;
+	unsigned int k;
+
+	data = kzalloc(sizeof(struct ads1015_data), GFP_KERNEL);
+	if (!data) {
+		err = -ENOMEM;
+		goto exit;
+	}
+
+	i2c_set_clientdata(client, data);
+	mutex_init(&data->update_lock);
+
+	/* build sysfs attribute group */
+	ads1015_get_channels_config(client);
+	for (k = 0; k < ADS1015_CHANNELS; ++k) {
+		if (!data->channel_data[k].enabled)
+			continue;
+		err = device_create_file(&client->dev, &ads1015_in[k].dev_attr);
+		if (err)
+			goto exit_free;
+	}
+
+	data->hwmon_dev = hwmon_device_register(&client->dev);
+	if (IS_ERR(data->hwmon_dev)) {
+		err = PTR_ERR(data->hwmon_dev);
+		goto exit_remove;
+	}
+
+	return 0;
+
+exit_remove:
+	for (k = 0; k < ADS1015_CHANNELS; ++k)
+		device_remove_file(&client->dev, &ads1015_in[k].dev_attr);
+exit_free:
+	kfree(data);
+exit:
+	return err;
+}
+
+static const struct i2c_device_id ads1015_id[] = {
+	{ "ads1015", 0 },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, ads1015_id);
+
+static struct i2c_driver ads1015_driver = {
+	.driver = {
+		.name = "ads1015",
+	},
+	.probe = ads1015_probe,
+	.remove = ads1015_remove,
+	.id_table = ads1015_id,
+};
+
+static int __init sensors_ads1015_init(void)
+{
+	return i2c_add_driver(&ads1015_driver);
+}
+
+static void __exit sensors_ads1015_exit(void)
+{
+	i2c_del_driver(&ads1015_driver);
+}
+
+MODULE_AUTHOR("Dirk Eibach <eibach@gdsys.de>");
+MODULE_DESCRIPTION("ADS1015 driver");
+MODULE_LICENSE("GPL");
+
+module_init(sensors_ads1015_init);
+module_exit(sensors_ads1015_exit);
diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c
index f36eb80d227f..ef902d5d06ab 100644
--- a/drivers/hwmon/lm75.c
+++ b/drivers/hwmon/lm75.c
@@ -232,13 +232,16 @@ static const struct i2c_device_id lm75_ids[] = {
 };
 MODULE_DEVICE_TABLE(i2c, lm75_ids);
 
+#define LM75A_ID 0xA1
+
 /* Return 0 if detection is successful, -ENODEV otherwise */
 static int lm75_detect(struct i2c_client *new_client,
 		       struct i2c_board_info *info)
 {
 	struct i2c_adapter *adapter = new_client->adapter;
 	int i;
-	int cur, conf, hyst, os;
+	int conf, hyst, os;
+	bool is_lm75a = 0;
 
 	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA |
 				     I2C_FUNC_SMBUS_WORD_DATA))
@@ -250,37 +253,58 @@ static int lm75_detect(struct i2c_client *new_client,
 	   addresses 0x04-0x07 returning the last read value.
 	   The cycling+unused addresses combination is not tested,
 	   since it would significantly slow the detection down and would
-	   hardly add any value. */
+	   hardly add any value.
 
-	/* 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;
+	   The National Semiconductor LM75A is different than earlier
+	   LM75s.  It has an ID byte of 0xaX (where X is the chip
+	   revision, with 1 being the only revision in existence) in
+	   register 7, and unused registers return 0xff rather than the
+	   last read value. */
 
 	/* Unused bits */
+	conf = i2c_smbus_read_byte_data(new_client, 1);
 	if (conf & 0xe0)
 		return -ENODEV;
 
+	/* First check for LM75A */
+	if (i2c_smbus_read_byte_data(new_client, 7) == LM75A_ID) {
+		/* LM75A returns 0xff on unused registers so
+		   just to be sure we check for that too. */
+		if (i2c_smbus_read_byte_data(new_client, 4) != 0xff
+		 || i2c_smbus_read_byte_data(new_client, 5) != 0xff
+		 || i2c_smbus_read_byte_data(new_client, 6) != 0xff)
+			return -ENODEV;
+		is_lm75a = 1;
+		hyst = i2c_smbus_read_byte_data(new_client, 2);
+		os = i2c_smbus_read_byte_data(new_client, 3);
+	} else { /* Traditional style LM75 detection */
+		/* Unused addresses */
+		hyst = i2c_smbus_read_byte_data(new_client, 2);
+		if (i2c_smbus_read_byte_data(new_client, 4) != hyst
+		 || i2c_smbus_read_byte_data(new_client, 5) != hyst
+		 || i2c_smbus_read_byte_data(new_client, 6) != hyst
+		 || i2c_smbus_read_byte_data(new_client, 7) != hyst)
+			return -ENODEV;
+		os = i2c_smbus_read_byte_data(new_client, 3);
+		if (i2c_smbus_read_byte_data(new_client, 4) != os
+		 || i2c_smbus_read_byte_data(new_client, 5) != os
+		 || i2c_smbus_read_byte_data(new_client, 6) != os
+		 || i2c_smbus_read_byte_data(new_client, 7) != os)
+			return -ENODEV;
+	}
+
 	/* Addresses cycling */
-	for (i = 8; i < 0xff; i += 8) {
+	for (i = 8; i <= 248; i += 40) {
 		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)
+		 || i2c_smbus_read_byte_data(new_client, i + 2) != hyst
+		 || i2c_smbus_read_byte_data(new_client, i + 3) != os)
+			return -ENODEV;
+		if (is_lm75a && i2c_smbus_read_byte_data(new_client, i + 7)
+				!= LM75A_ID)
 			return -ENODEV;
 	}
 
-	strlcpy(info->type, "lm75", I2C_NAME_SIZE);
+	strlcpy(info->type, is_lm75a ? "lm75a" : "lm75", I2C_NAME_SIZE);
 
 	return 0;
 }
diff --git a/drivers/hwmon/sch5627.c b/drivers/hwmon/sch5627.c
new file mode 100644
index 000000000000..9a51dcca9b0d
--- /dev/null
+++ b/drivers/hwmon/sch5627.c
@@ -0,0 +1,858 @@
+/***************************************************************************
+ *   Copyright (C) 2010-2011 Hans de Goede <hdegoede@redhat.com>           *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/jiffies.h>
+#include <linux/platform_device.h>
+#include <linux/hwmon.h>
+#include <linux/hwmon-sysfs.h>
+#include <linux/err.h>
+#include <linux/mutex.h>
+#include <linux/io.h>
+#include <linux/acpi.h>
+#include <linux/delay.h>
+
+#define DRVNAME "sch5627"
+#define DEVNAME DRVNAME /* We only support one model */
+
+#define SIO_SCH5627_EM_LD	0x0C	/* Embedded Microcontroller LD */
+#define SIO_UNLOCK_KEY		0x55	/* Key to enable Super-I/O */
+#define SIO_LOCK_KEY		0xAA	/* Key to disable Super-I/O */
+
+#define SIO_REG_LDSEL		0x07	/* Logical device select */
+#define SIO_REG_DEVID		0x20	/* Device ID */
+#define SIO_REG_ENABLE		0x30	/* Logical device enable */
+#define SIO_REG_ADDR		0x66	/* Logical device address (2 bytes) */
+
+#define SIO_SCH5627_ID		0xC6	/* Chipset ID */
+
+#define REGION_LENGTH		9
+
+#define SCH5627_HWMON_ID		0xa5
+#define SCH5627_COMPANY_ID		0x5c
+#define SCH5627_PRIMARY_ID		0xa0
+
+#define SCH5627_REG_BUILD_CODE		0x39
+#define SCH5627_REG_BUILD_ID		0x3a
+#define SCH5627_REG_HWMON_ID		0x3c
+#define SCH5627_REG_HWMON_REV		0x3d
+#define SCH5627_REG_COMPANY_ID		0x3e
+#define SCH5627_REG_PRIMARY_ID		0x3f
+#define SCH5627_REG_CTRL		0x40
+
+#define SCH5627_NO_TEMPS		8
+#define SCH5627_NO_FANS			4
+#define SCH5627_NO_IN			5
+
+static const u16 SCH5627_REG_TEMP_MSB[SCH5627_NO_TEMPS] = {
+	0x2B, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x180, 0x181 };
+static const u16 SCH5627_REG_TEMP_LSN[SCH5627_NO_TEMPS] = {
+	0xE2, 0xE1, 0xE1, 0xE5, 0xE5, 0xE6, 0x182, 0x182 };
+static const u16 SCH5627_REG_TEMP_HIGH_NIBBLE[SCH5627_NO_TEMPS] = {
+	0, 0, 1, 1, 0, 0, 0, 1 };
+static const u16 SCH5627_REG_TEMP_HIGH[SCH5627_NO_TEMPS] = {
+	0x61, 0x57, 0x59, 0x5B, 0x5D, 0x5F, 0x184, 0x186 };
+static const u16 SCH5627_REG_TEMP_ABS[SCH5627_NO_TEMPS] = {
+	0x9B, 0x96, 0x97, 0x98, 0x99, 0x9A, 0x1A8, 0x1A9 };
+
+static const u16 SCH5627_REG_FAN[SCH5627_NO_FANS] = {
+	0x2C, 0x2E, 0x30, 0x32 };
+static const u16 SCH5627_REG_FAN_MIN[SCH5627_NO_FANS] = {
+	0x62, 0x64, 0x66, 0x68 };
+
+static const u16 SCH5627_REG_IN_MSB[SCH5627_NO_IN] = {
+	0x22, 0x23, 0x24, 0x25, 0x189 };
+static const u16 SCH5627_REG_IN_LSN[SCH5627_NO_IN] = {
+	0xE4, 0xE4, 0xE3, 0xE3, 0x18A };
+static const u16 SCH5627_REG_IN_HIGH_NIBBLE[SCH5627_NO_IN] = {
+	1, 0, 1, 0, 1 };
+static const u16 SCH5627_REG_IN_FACTOR[SCH5627_NO_IN] = {
+	10745, 3660, 9765, 10745, 3660 };
+static const char * const SCH5627_IN_LABELS[SCH5627_NO_IN] = {
+	"VCC", "VTT", "VBAT", "VTR", "V_IN" };
+
+struct sch5627_data {
+	unsigned short addr;
+	struct device *hwmon_dev;
+	u8 temp_max[SCH5627_NO_TEMPS];
+	u8 temp_crit[SCH5627_NO_TEMPS];
+	u16 fan_min[SCH5627_NO_FANS];
+
+	struct mutex update_lock;
+	char valid;			/* !=0 if following fields are valid */
+	unsigned long last_updated;	/* In jiffies */
+	u16 temp[SCH5627_NO_TEMPS];
+	u16 fan[SCH5627_NO_FANS];
+	u16 in[SCH5627_NO_IN];
+};
+
+static struct platform_device *sch5627_pdev;
+
+/* Super I/O functions */
+static inline int superio_inb(int base, int reg)
+{
+	outb(reg, base);
+	return inb(base + 1);
+}
+
+static inline int superio_enter(int base)
+{
+	/* Don't step on other drivers' I/O space by accident */
+	if (!request_muxed_region(base, 2, DRVNAME)) {
+		pr_err("I/O address 0x%04x already in use\n", base);
+		return -EBUSY;
+	}
+
+	outb(SIO_UNLOCK_KEY, base);
+
+	return 0;
+}
+
+static inline void superio_select(int base, int ld)
+{
+	outb(SIO_REG_LDSEL, base);
+	outb(ld, base + 1);
+}
+
+static inline void superio_exit(int base)
+{
+	outb(SIO_LOCK_KEY, base);
+	release_region(base, 2);
+}
+
+static int sch5627_read_virtual_reg(struct sch5627_data *data, u16 reg)
+{
+	u8 val;
+	int i;
+	/*
+	 * According to SMSC for the commands we use the maximum time for
+	 * the EM to respond is 15 ms, but testing shows in practice it
+	 * responds within 15-32 reads, so we first busy poll, and if
+	 * that fails sleep a bit and try again until we are way past
+	 * the 15 ms maximum response time.
+	 */
+	const int max_busy_polls = 64;
+	const int max_lazy_polls = 32;
+
+	/* (Optional) Write-Clear the EC to Host Mailbox Register */
+	val = inb(data->addr + 1);
+	outb(val, data->addr + 1);
+
+	/* Set Mailbox Address Pointer to first location in Region 1 */
+	outb(0x00, data->addr + 2);
+	outb(0x80, data->addr + 3);
+
+	/* Write Request Packet Header */
+	outb(0x02, data->addr + 4); /* Access Type: VREG read */
+	outb(0x01, data->addr + 5); /* # of Entries: 1 Byte (8-bit) */
+	outb(0x04, data->addr + 2); /* Mailbox AP to first data entry loc. */
+
+	/* Write Address field */
+	outb(reg & 0xff, data->addr + 6);
+	outb(reg >> 8, data->addr + 7);
+
+	/* Execute the Random Access Command */
+	outb(0x01, data->addr); /* Write 01h to the Host-to-EC register */
+
+	/* EM Interface Polling "Algorithm" */
+	for (i = 0; i < max_busy_polls + max_lazy_polls; i++) {
+		if (i >= max_busy_polls)
+			msleep(1);
+		/* Read Interrupt source Register */
+		val = inb(data->addr + 8);
+		/* Write Clear the interrupt source bits */
+		if (val)
+			outb(val, data->addr + 8);
+		/* Command Completed ? */
+		if (val & 0x01)
+			break;
+	}
+	if (i == max_busy_polls + max_lazy_polls) {
+		pr_err("Max retries exceeded reading virtual "
+		       "register 0x%04hx (%d)\n", reg, 1);
+		return -EIO;
+	}
+
+	/*
+	 * According to SMSC we may need to retry this, but sofar I've always
+	 * seen this succeed in 1 try.
+	 */
+	for (i = 0; i < max_busy_polls; i++) {
+		/* Read EC-to-Host Register */
+		val = inb(data->addr + 1);
+		/* Command Completed ? */
+		if (val == 0x01)
+			break;
+
+		if (i == 0)
+			pr_warn("EC reports: 0x%02x reading virtual register "
+				"0x%04hx\n", (unsigned int)val, reg);
+	}
+	if (i == max_busy_polls) {
+		pr_err("Max retries exceeded reading virtual "
+		       "register 0x%04hx (%d)\n", reg, 2);
+		return -EIO;
+	}
+
+	/*
+	 * According to the SMSC app note we should now do:
+	 *
+	 * Set Mailbox Address Pointer to first location in Region 1 *
+	 * outb(0x00, data->addr + 2);
+	 * outb(0x80, data->addr + 3);
+	 *
+	 * But if we do that things don't work, so let's not.
+	 */
+
+	/* Read Data from Mailbox */
+	return inb(data->addr + 4);
+}
+
+static int sch5627_read_virtual_reg16(struct sch5627_data *data, u16 reg)
+{
+	int lsb, msb;
+
+	/* Read LSB first, this will cause the matching MSB to be latched */
+	lsb = sch5627_read_virtual_reg(data, reg);
+	if (lsb < 0)
+		return lsb;
+
+	msb = sch5627_read_virtual_reg(data, reg + 1);
+	if (msb < 0)
+		return msb;
+
+	return lsb | (msb << 8);
+}
+
+static int sch5627_read_virtual_reg12(struct sch5627_data *data, u16 msb_reg,
+				      u16 lsn_reg, int high_nibble)
+{
+	int msb, lsn;
+
+	/* Read MSB first, this will cause the matching LSN to be latched */
+	msb = sch5627_read_virtual_reg(data, msb_reg);
+	if (msb < 0)
+		return msb;
+
+	lsn = sch5627_read_virtual_reg(data, lsn_reg);
+	if (lsn < 0)
+		return lsn;
+
+	if (high_nibble)
+		return (msb << 4) | (lsn >> 4);
+	else
+		return (msb << 4) | (lsn & 0x0f);
+}
+
+static struct sch5627_data *sch5627_update_device(struct device *dev)
+{
+	struct sch5627_data *data = dev_get_drvdata(dev);
+	struct sch5627_data *ret = data;
+	int i, val;
+
+	mutex_lock(&data->update_lock);
+
+	/* Cache the values for 1 second */
+	if (time_after(jiffies, data->last_updated + HZ) || !data->valid) {
+		for (i = 0; i < SCH5627_NO_TEMPS; i++) {
+			val = sch5627_read_virtual_reg12(data,
+				SCH5627_REG_TEMP_MSB[i],
+				SCH5627_REG_TEMP_LSN[i],
+				SCH5627_REG_TEMP_HIGH_NIBBLE[i]);
+			if (unlikely(val < 0)) {
+				ret = ERR_PTR(val);
+				goto abort;
+			}
+			data->temp[i] = val;
+		}
+
+		for (i = 0; i < SCH5627_NO_FANS; i++) {
+			val = sch5627_read_virtual_reg16(data,
+							 SCH5627_REG_FAN[i]);
+			if (unlikely(val < 0)) {
+				ret = ERR_PTR(val);
+				goto abort;
+			}
+			data->fan[i] = val;
+		}
+
+		for (i = 0; i < SCH5627_NO_IN; i++) {
+			val = sch5627_read_virtual_reg12(data,
+				SCH5627_REG_IN_MSB[i],
+				SCH5627_REG_IN_LSN[i],
+				SCH5627_REG_IN_HIGH_NIBBLE[i]);
+			if (unlikely(val < 0)) {
+				ret = ERR_PTR(val);
+				goto abort;
+			}
+			data->in[i] = val;
+		}
+
+		data->last_updated = jiffies;
+		data->valid = 1;
+	}
+abort:
+	mutex_unlock(&data->update_lock);
+	return ret;
+}
+
+static int __devinit sch5627_read_limits(struct sch5627_data *data)
+{
+	int i, val;
+
+	for (i = 0; i < SCH5627_NO_TEMPS; i++) {
+		/*
+		 * Note what SMSC calls ABS, is what lm_sensors calls max
+		 * (aka high), and HIGH is what lm_sensors calls crit.
+		 */
+		val = sch5627_read_virtual_reg(data, SCH5627_REG_TEMP_ABS[i]);
+		if (val < 0)
+			return val;
+		data->temp_max[i] = val;
+
+		val = sch5627_read_virtual_reg(data, SCH5627_REG_TEMP_HIGH[i]);
+		if (val < 0)
+			return val;
+		data->temp_crit[i] = val;
+	}
+	for (i = 0; i < SCH5627_NO_FANS; i++) {
+		val = sch5627_read_virtual_reg16(data, SCH5627_REG_FAN_MIN[i]);
+		if (val < 0)
+			return val;
+		data->fan_min[i] = val;
+	}
+
+	return 0;
+}
+
+static int reg_to_temp(u16 reg)
+{
+	return (reg * 625) / 10 - 64000;
+}
+
+static int reg_to_temp_limit(u8 reg)
+{
+	return (reg - 64) * 1000;
+}
+
+static int reg_to_rpm(u16 reg)
+{
+	if (reg == 0)
+		return -EIO;
+	if (reg == 0xffff)
+		return 0;
+
+	return 5400540 / reg;
+}
+
+static ssize_t show_name(struct device *dev, struct device_attribute *devattr,
+	char *buf)
+{
+	return snprintf(buf, PAGE_SIZE, "%s\n", DEVNAME);
+}
+
+static ssize_t show_temp(struct device *dev, struct device_attribute
+	*devattr, char *buf)
+{
+	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+	struct sch5627_data *data = sch5627_update_device(dev);
+	int val;
+
+	if (IS_ERR(data))
+		return PTR_ERR(data);
+
+	val = reg_to_temp(data->temp[attr->index]);
+	return snprintf(buf, PAGE_SIZE, "%d\n", val);
+}
+
+static ssize_t show_temp_fault(struct device *dev, struct device_attribute
+	*devattr, char *buf)
+{
+	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+	struct sch5627_data *data = sch5627_update_device(dev);
+
+	if (IS_ERR(data))
+		return PTR_ERR(data);
+
+	return snprintf(buf, PAGE_SIZE, "%d\n", data->temp[attr->index] == 0);
+}
+
+static ssize_t show_temp_max(struct device *dev, struct device_attribute
+	*devattr, char *buf)
+{
+	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+	struct sch5627_data *data = dev_get_drvdata(dev);
+	int val;
+
+	val = reg_to_temp_limit(data->temp_max[attr->index]);
+	return snprintf(buf, PAGE_SIZE, "%d\n", val);
+}
+
+static ssize_t show_temp_crit(struct device *dev, struct device_attribute
+	*devattr, char *buf)
+{
+	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+	struct sch5627_data *data = dev_get_drvdata(dev);
+	int val;
+
+	val = reg_to_temp_limit(data->temp_crit[attr->index]);
+	return snprintf(buf, PAGE_SIZE, "%d\n", val);
+}
+
+static ssize_t show_fan(struct device *dev, struct device_attribute
+	*devattr, char *buf)
+{
+	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+	struct sch5627_data *data = sch5627_update_device(dev);
+	int val;
+
+	if (IS_ERR(data))
+		return PTR_ERR(data);
+
+	val = reg_to_rpm(data->fan[attr->index]);
+	if (val < 0)
+		return val;
+
+	return snprintf(buf, PAGE_SIZE, "%d\n", val);
+}
+
+static ssize_t show_fan_fault(struct device *dev, struct device_attribute
+	*devattr, char *buf)
+{
+	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+	struct sch5627_data *data = sch5627_update_device(dev);
+
+	if (IS_ERR(data))
+		return PTR_ERR(data);
+
+	return snprintf(buf, PAGE_SIZE, "%d\n",
+			data->fan[attr->index] == 0xffff);
+}
+
+static ssize_t show_fan_min(struct device *dev, struct device_attribute
+	*devattr, char *buf)
+{
+	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+	struct sch5627_data *data = dev_get_drvdata(dev);
+	int val = reg_to_rpm(data->fan_min[attr->index]);
+	if (val < 0)
+		return val;
+
+	return snprintf(buf, PAGE_SIZE, "%d\n", val);
+}
+
+static ssize_t show_in(struct device *dev, struct device_attribute
+	*devattr, char *buf)
+{
+	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+	struct sch5627_data *data = sch5627_update_device(dev);
+	int val;
+
+	if (IS_ERR(data))
+		return PTR_ERR(data);
+
+	val = DIV_ROUND_CLOSEST(
+		data->in[attr->index] * SCH5627_REG_IN_FACTOR[attr->index],
+		10000);
+	return snprintf(buf, PAGE_SIZE, "%d\n", val);
+}
+
+static ssize_t show_in_label(struct device *dev, struct device_attribute
+	*devattr, char *buf)
+{
+	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+
+	return snprintf(buf, PAGE_SIZE, "%s\n",
+			SCH5627_IN_LABELS[attr->index]);
+}
+
+static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
+static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0);
+static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1);
+static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2);
+static SENSOR_DEVICE_ATTR(temp4_input, S_IRUGO, show_temp, NULL, 3);
+static SENSOR_DEVICE_ATTR(temp5_input, S_IRUGO, show_temp, NULL, 4);
+static SENSOR_DEVICE_ATTR(temp6_input, S_IRUGO, show_temp, NULL, 5);
+static SENSOR_DEVICE_ATTR(temp7_input, S_IRUGO, show_temp, NULL, 6);
+static SENSOR_DEVICE_ATTR(temp8_input, S_IRUGO, show_temp, NULL, 7);
+static SENSOR_DEVICE_ATTR(temp1_fault, S_IRUGO, show_temp_fault, NULL, 0);
+static SENSOR_DEVICE_ATTR(temp2_fault, S_IRUGO, show_temp_fault, NULL, 1);
+static SENSOR_DEVICE_ATTR(temp3_fault, S_IRUGO, show_temp_fault, NULL, 2);
+static SENSOR_DEVICE_ATTR(temp4_fault, S_IRUGO, show_temp_fault, NULL, 3);
+static SENSOR_DEVICE_ATTR(temp5_fault, S_IRUGO, show_temp_fault, NULL, 4);
+static SENSOR_DEVICE_ATTR(temp6_fault, S_IRUGO, show_temp_fault, NULL, 5);
+static SENSOR_DEVICE_ATTR(temp7_fault, S_IRUGO, show_temp_fault, NULL, 6);
+static SENSOR_DEVICE_ATTR(temp8_fault, S_IRUGO, show_temp_fault, NULL, 7);
+static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO, show_temp_max, NULL, 0);
+static SENSOR_DEVICE_ATTR(temp2_max, S_IRUGO, show_temp_max, NULL, 1);
+static SENSOR_DEVICE_ATTR(temp3_max, S_IRUGO, show_temp_max, NULL, 2);
+static SENSOR_DEVICE_ATTR(temp4_max, S_IRUGO, show_temp_max, NULL, 3);
+static SENSOR_DEVICE_ATTR(temp5_max, S_IRUGO, show_temp_max, NULL, 4);
+static SENSOR_DEVICE_ATTR(temp6_max, S_IRUGO, show_temp_max, NULL, 5);
+static SENSOR_DEVICE_ATTR(temp7_max, S_IRUGO, show_temp_max, NULL, 6);
+static SENSOR_DEVICE_ATTR(temp8_max, S_IRUGO, show_temp_max, NULL, 7);
+static SENSOR_DEVICE_ATTR(temp1_crit, S_IRUGO, show_temp_crit, NULL, 0);
+static SENSOR_DEVICE_ATTR(temp2_crit, S_IRUGO, show_temp_crit, NULL, 1);
+static SENSOR_DEVICE_ATTR(temp3_crit, S_IRUGO, show_temp_crit, NULL, 2);
+static SENSOR_DEVICE_ATTR(temp4_crit, S_IRUGO, show_temp_crit, NULL, 3);
+static SENSOR_DEVICE_ATTR(temp5_crit, S_IRUGO, show_temp_crit, NULL, 4);
+static SENSOR_DEVICE_ATTR(temp6_crit, S_IRUGO, show_temp_crit, NULL, 5);
+static SENSOR_DEVICE_ATTR(temp7_crit, S_IRUGO, show_temp_crit, NULL, 6);
+static SENSOR_DEVICE_ATTR(temp8_crit, S_IRUGO, show_temp_crit, NULL, 7);
+
+static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0);
+static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1);
+static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2);
+static SENSOR_DEVICE_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 3);
+static SENSOR_DEVICE_ATTR(fan1_fault, S_IRUGO, show_fan_fault, NULL, 0);
+static SENSOR_DEVICE_ATTR(fan2_fault, S_IRUGO, show_fan_fault, NULL, 1);
+static SENSOR_DEVICE_ATTR(fan3_fault, S_IRUGO, show_fan_fault, NULL, 2);
+static SENSOR_DEVICE_ATTR(fan4_fault, S_IRUGO, show_fan_fault, NULL, 3);
+static SENSOR_DEVICE_ATTR(fan1_min, S_IRUGO, show_fan_min, NULL, 0);
+static SENSOR_DEVICE_ATTR(fan2_min, S_IRUGO, show_fan_min, NULL, 1);
+static SENSOR_DEVICE_ATTR(fan3_min, S_IRUGO, show_fan_min, NULL, 2);
+static SENSOR_DEVICE_ATTR(fan4_min, S_IRUGO, show_fan_min, NULL, 3);
+
+static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, show_in, NULL, 0);
+static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_in, NULL, 1);
+static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_in, NULL, 2);
+static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, show_in, NULL, 3);
+static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, show_in, NULL, 4);
+static SENSOR_DEVICE_ATTR(in0_label, S_IRUGO, show_in_label, NULL, 0);
+static SENSOR_DEVICE_ATTR(in1_label, S_IRUGO, show_in_label, NULL, 1);
+static SENSOR_DEVICE_ATTR(in2_label, S_IRUGO, show_in_label, NULL, 2);
+static SENSOR_DEVICE_ATTR(in3_label, S_IRUGO, show_in_label, NULL, 3);
+
+static struct attribute *sch5627_attributes[] = {
+	&dev_attr_name.attr,
+
+	&sensor_dev_attr_temp1_input.dev_attr.attr,
+	&sensor_dev_attr_temp2_input.dev_attr.attr,
+	&sensor_dev_attr_temp3_input.dev_attr.attr,
+	&sensor_dev_attr_temp4_input.dev_attr.attr,
+	&sensor_dev_attr_temp5_input.dev_attr.attr,
+	&sensor_dev_attr_temp6_input.dev_attr.attr,
+	&sensor_dev_attr_temp7_input.dev_attr.attr,
+	&sensor_dev_attr_temp8_input.dev_attr.attr,
+	&sensor_dev_attr_temp1_fault.dev_attr.attr,
+	&sensor_dev_attr_temp2_fault.dev_attr.attr,
+	&sensor_dev_attr_temp3_fault.dev_attr.attr,
+	&sensor_dev_attr_temp4_fault.dev_attr.attr,
+	&sensor_dev_attr_temp5_fault.dev_attr.attr,
+	&sensor_dev_attr_temp6_fault.dev_attr.attr,
+	&sensor_dev_attr_temp7_fault.dev_attr.attr,
+	&sensor_dev_attr_temp8_fault.dev_attr.attr,
+	&sensor_dev_attr_temp1_max.dev_attr.attr,
+	&sensor_dev_attr_temp2_max.dev_attr.attr,
+	&sensor_dev_attr_temp3_max.dev_attr.attr,
+	&sensor_dev_attr_temp4_max.dev_attr.attr,
+	&sensor_dev_attr_temp5_max.dev_attr.attr,
+	&sensor_dev_attr_temp6_max.dev_attr.attr,
+	&sensor_dev_attr_temp7_max.dev_attr.attr,
+	&sensor_dev_attr_temp8_max.dev_attr.attr,
+	&sensor_dev_attr_temp1_crit.dev_attr.attr,
+	&sensor_dev_attr_temp2_crit.dev_attr.attr,
+	&sensor_dev_attr_temp3_crit.dev_attr.attr,
+	&sensor_dev_attr_temp4_crit.dev_attr.attr,
+	&sensor_dev_attr_temp5_crit.dev_attr.attr,
+	&sensor_dev_attr_temp6_crit.dev_attr.attr,
+	&sensor_dev_attr_temp7_crit.dev_attr.attr,
+	&sensor_dev_attr_temp8_crit.dev_attr.attr,
+
+	&sensor_dev_attr_fan1_input.dev_attr.attr,
+	&sensor_dev_attr_fan2_input.dev_attr.attr,
+	&sensor_dev_attr_fan3_input.dev_attr.attr,
+	&sensor_dev_attr_fan4_input.dev_attr.attr,
+	&sensor_dev_attr_fan1_fault.dev_attr.attr,
+	&sensor_dev_attr_fan2_fault.dev_attr.attr,
+	&sensor_dev_attr_fan3_fault.dev_attr.attr,
+	&sensor_dev_attr_fan4_fault.dev_attr.attr,
+	&sensor_dev_attr_fan1_min.dev_attr.attr,
+	&sensor_dev_attr_fan2_min.dev_attr.attr,
+	&sensor_dev_attr_fan3_min.dev_attr.attr,
+	&sensor_dev_attr_fan4_min.dev_attr.attr,
+
+	&sensor_dev_attr_in0_input.dev_attr.attr,
+	&sensor_dev_attr_in1_input.dev_attr.attr,
+	&sensor_dev_attr_in2_input.dev_attr.attr,
+	&sensor_dev_attr_in3_input.dev_attr.attr,
+	&sensor_dev_attr_in4_input.dev_attr.attr,
+	&sensor_dev_attr_in0_label.dev_attr.attr,
+	&sensor_dev_attr_in1_label.dev_attr.attr,
+	&sensor_dev_attr_in2_label.dev_attr.attr,
+	&sensor_dev_attr_in3_label.dev_attr.attr,
+	/* No in4_label as in4 is a generic input pin */
+
+	NULL
+};
+
+static const struct attribute_group sch5627_group = {
+	.attrs = sch5627_attributes,
+};
+
+static int sch5627_remove(struct platform_device *pdev)
+{
+	struct sch5627_data *data = platform_get_drvdata(pdev);
+
+	if (data->hwmon_dev)
+		hwmon_device_unregister(data->hwmon_dev);
+
+	sysfs_remove_group(&pdev->dev.kobj, &sch5627_group);
+	platform_set_drvdata(pdev, NULL);
+	kfree(data);
+
+	return 0;
+}
+
+static int __devinit sch5627_probe(struct platform_device *pdev)
+{
+	struct sch5627_data *data;
+	int err, build_code, build_id, hwmon_rev, val;
+
+	data = kzalloc(sizeof(struct sch5627_data), GFP_KERNEL);
+	if (!data)
+		return -ENOMEM;
+
+	data->addr = platform_get_resource(pdev, IORESOURCE_IO, 0)->start;
+	mutex_init(&data->update_lock);
+	platform_set_drvdata(pdev, data);
+
+	val = sch5627_read_virtual_reg(data, SCH5627_REG_HWMON_ID);
+	if (val < 0) {
+		err = val;
+		goto error;
+	}
+	if (val != SCH5627_HWMON_ID) {
+		pr_err("invalid %s id: 0x%02X (expected 0x%02X)\n", "hwmon",
+		       val, SCH5627_HWMON_ID);
+		err = -ENODEV;
+		goto error;
+	}
+
+	val = sch5627_read_virtual_reg(data, SCH5627_REG_COMPANY_ID);
+	if (val < 0) {
+		err = val;
+		goto error;
+	}
+	if (val != SCH5627_COMPANY_ID) {
+		pr_err("invalid %s id: 0x%02X (expected 0x%02X)\n", "company",
+		       val, SCH5627_COMPANY_ID);
+		err = -ENODEV;
+		goto error;
+	}
+
+	val = sch5627_read_virtual_reg(data, SCH5627_REG_PRIMARY_ID);
+	if (val < 0) {
+		err = val;
+		goto error;
+	}
+	if (val != SCH5627_PRIMARY_ID) {
+		pr_err("invalid %s id: 0x%02X (expected 0x%02X)\n", "primary",
+		       val, SCH5627_PRIMARY_ID);
+		err = -ENODEV;
+		goto error;
+	}
+
+	build_code = sch5627_read_virtual_reg(data, SCH5627_REG_BUILD_CODE);
+	if (build_code < 0) {
+		err = build_code;
+		goto error;
+	}
+
+	build_id = sch5627_read_virtual_reg16(data, SCH5627_REG_BUILD_ID);
+	if (build_id < 0) {
+		err = build_id;
+		goto error;
+	}
+
+	hwmon_rev = sch5627_read_virtual_reg(data, SCH5627_REG_HWMON_REV);
+	if (hwmon_rev < 0) {
+		err = hwmon_rev;
+		goto error;
+	}
+
+	val = sch5627_read_virtual_reg(data, SCH5627_REG_CTRL);
+	if (val < 0) {
+		err = val;
+		goto error;
+	}
+	if (!(val & 0x01)) {
+		pr_err("hardware monitoring not enabled\n");
+		err = -ENODEV;
+		goto error;
+	}
+
+	/*
+	 * Read limits, we do this only once as reading a register on
+	 * the sch5627 is quite expensive (and they don't change).
+	 */
+	err = sch5627_read_limits(data);
+	if (err)
+		goto error;
+
+	pr_info("firmware build: code 0x%02X, id 0x%04X, hwmon: rev 0x%02X\n",
+		build_code, build_id, hwmon_rev);
+
+	/* Register sysfs interface files */
+	err = sysfs_create_group(&pdev->dev.kobj, &sch5627_group);
+	if (err)
+		goto error;
+
+	data->hwmon_dev = hwmon_device_register(&pdev->dev);
+	if (IS_ERR(data->hwmon_dev)) {
+		err = PTR_ERR(data->hwmon_dev);
+		data->hwmon_dev = NULL;
+		goto error;
+	}
+
+	return 0;
+
+error:
+	sch5627_remove(pdev);
+	return err;
+}
+
+static int __init sch5627_find(int sioaddr, unsigned short *address)
+{
+	u8 devid;
+	int err = superio_enter(sioaddr);
+	if (err)
+		return err;
+
+	devid = superio_inb(sioaddr, SIO_REG_DEVID);
+	if (devid != SIO_SCH5627_ID) {
+		pr_debug("Unsupported device id: 0x%02x\n",
+			 (unsigned int)devid);
+		err = -ENODEV;
+		goto exit;
+	}
+
+	superio_select(sioaddr, SIO_SCH5627_EM_LD);
+
+	if (!(superio_inb(sioaddr, SIO_REG_ENABLE) & 0x01)) {
+		pr_warn("Device not activated\n");
+		err = -ENODEV;
+		goto exit;
+	}
+
+	/*
+	 * Warning the order of the low / high byte is the other way around
+	 * as on most other superio devices!!
+	 */
+	*address = superio_inb(sioaddr, SIO_REG_ADDR) |
+		   superio_inb(sioaddr, SIO_REG_ADDR + 1) << 8;
+	if (*address == 0) {
+		pr_warn("Base address not set\n");
+		err = -ENODEV;
+		goto exit;
+	}
+
+	pr_info("Found %s chip at %#hx\n", DEVNAME, *address);
+exit:
+	superio_exit(sioaddr);
+	return err;
+}
+
+static int __init sch5627_device_add(unsigned short address)
+{
+	struct resource res = {
+		.start	= address,
+		.end	= address + REGION_LENGTH - 1,
+		.flags	= IORESOURCE_IO,
+	};
+	int err;
+
+	sch5627_pdev = platform_device_alloc(DRVNAME, address);
+	if (!sch5627_pdev)
+		return -ENOMEM;
+
+	res.name = sch5627_pdev->name;
+	err = acpi_check_resource_conflict(&res);
+	if (err)
+		goto exit_device_put;
+
+	err = platform_device_add_resources(sch5627_pdev, &res, 1);
+	if (err) {
+		pr_err("Device resource addition failed\n");
+		goto exit_device_put;
+	}
+
+	err = platform_device_add(sch5627_pdev);
+	if (err) {
+		pr_err("Device addition failed\n");
+		goto exit_device_put;
+	}
+
+	return 0;
+
+exit_device_put:
+	platform_device_put(sch5627_pdev);
+
+	return err;
+}
+
+static struct platform_driver sch5627_driver = {
+	.driver = {
+		.owner	= THIS_MODULE,
+		.name	= DRVNAME,
+	},
+	.probe		= sch5627_probe,
+	.remove		= sch5627_remove,
+};
+
+static int __init sch5627_init(void)
+{
+	int err = -ENODEV;
+	unsigned short address;
+
+	if (sch5627_find(0x4e, &address) && sch5627_find(0x2e, &address))
+		goto exit;
+
+	err = platform_driver_register(&sch5627_driver);
+	if (err)
+		goto exit;
+
+	err = sch5627_device_add(address);
+	if (err)
+		goto exit_driver;
+
+	return 0;
+
+exit_driver:
+	platform_driver_unregister(&sch5627_driver);
+exit:
+	return err;
+}
+
+static void __exit sch5627_exit(void)
+{
+	platform_device_unregister(sch5627_pdev);
+	platform_driver_unregister(&sch5627_driver);
+}
+
+MODULE_DESCRIPTION("SMSC SCH5627 Hardware Monitoring Driver");
+MODULE_AUTHOR("Hans de Goede (hdegoede@redhat.com)");
+MODULE_LICENSE("GPL");
+
+module_init(sch5627_init);
+module_exit(sch5627_exit);
diff --git a/drivers/hwmon/sht15.c b/drivers/hwmon/sht15.c
index a610e7880fb3..1a9c32d6893a 100644
--- a/drivers/hwmon/sht15.c
+++ b/drivers/hwmon/sht15.c
@@ -333,11 +333,11 @@ static inline int sht15_calc_humid(struct sht15_data *data)
 
 	const int c1 = -4;
 	const int c2 = 40500; /* x 10 ^ -6 */
-	const int c3 = -2800; /* x10 ^ -9 */
+	const int c3 = -28; /* x 10 ^ -7 */
 
 	RHlinear = c1*1000
 		+ c2 * data->val_humid/1000
-		+ (data->val_humid * data->val_humid * c3)/1000000;
+		+ (data->val_humid * data->val_humid * c3) / 10000;
 	return (temp - 25000) * (10000 + 80 * data->val_humid)
 		/ 1000000 + RHlinear;
 }
@@ -610,7 +610,7 @@ static int __devexit sht15_remove(struct platform_device *pdev)
 	struct sht15_data *data = platform_get_drvdata(pdev);
 
 	/* Make sure any reads from the device are done and
-	 * prevent new ones beginnning */
+	 * prevent new ones from beginning */
 	mutex_lock(&data->read_lock);
 	hwmon_device_unregister(data->hwmon_dev);
 	sysfs_remove_group(&pdev->dev.kobj, &sht15_attr_group);
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index b7d5ef234ac9..203500d9b848 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -2,6 +2,14 @@
 # Misc strange devices
 #
 
+# This one has to live outside of the MISC_DEVICES conditional,
+# because it may be selected by drivers/platform/x86/hp_accel.
+config SENSORS_LIS3LV02D
+	tristate
+	depends on INPUT
+	select INPUT_POLLDEV
+	default n
+
 menuconfig MISC_DEVICES
 	bool "Misc devices"
 	---help---
@@ -462,5 +470,6 @@ source "drivers/misc/eeprom/Kconfig"
 source "drivers/misc/cb710/Kconfig"
 source "drivers/misc/iwmc3200top/Kconfig"
 source "drivers/misc/ti-st/Kconfig"
+source "drivers/misc/lis3lv02d/Kconfig"
 
 endif # MISC_DEVICES
diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
index 98009cc20cb9..804f421bc079 100644
--- a/drivers/misc/Makefile
+++ b/drivers/misc/Makefile
@@ -42,3 +42,4 @@ obj-$(CONFIG_ARM_CHARLCD)	+= arm-charlcd.o
 obj-$(CONFIG_PCH_PHUB)		+= pch_phub.o
 obj-y				+= ti-st/
 obj-$(CONFIG_AB8500_PWM)	+= ab8500-pwm.o
+obj-y				+= lis3lv02d/
diff --git a/drivers/misc/lis3lv02d/Kconfig b/drivers/misc/lis3lv02d/Kconfig
new file mode 100644
index 000000000000..8f474e6fc7b4
--- /dev/null
+++ b/drivers/misc/lis3lv02d/Kconfig
@@ -0,0 +1,37 @@
+#
+# STMicroelectonics LIS3LV02D and similar accelerometers
+#
+
+config SENSORS_LIS3_SPI
+	tristate "STMicroeletronics LIS3LV02Dx three-axis digital accelerometer (SPI)"
+	depends on !ACPI && SPI_MASTER && INPUT
+	select SENSORS_LIS3LV02D
+	default n
+	help
+	  This driver provides support for the LIS3LV02Dx accelerometer connected
+	  via SPI. The accelerometer data is readable via
+	  /sys/devices/platform/lis3lv02d.
+
+	  This driver also provides an absolute input class device, allowing
+	  the laptop to act as a pinball machine-esque joystick.
+
+	  This driver can also be built as modules.  If so, the core module
+	  will be called lis3lv02d and a specific module for the SPI transport
+	  is called lis3lv02d_spi.
+
+config SENSORS_LIS3_I2C
+	tristate "STMicroeletronics LIS3LV02Dx three-axis digital accelerometer (I2C)"
+	depends on I2C && INPUT
+	select SENSORS_LIS3LV02D
+	default n
+	help
+	  This driver provides support for the LIS3LV02Dx accelerometer connected
+	  via I2C. The accelerometer data is readable via
+	  /sys/devices/platform/lis3lv02d.
+
+	  This driver also provides an absolute input class device, allowing
+	  the device to act as a pinball machine-esque joystick.
+
+	  This driver can also be built as modules.  If so, the core module
+	  will be called lis3lv02d and a specific module for the I2C transport
+	  is called lis3lv02d_i2c.
diff --git a/drivers/misc/lis3lv02d/Makefile b/drivers/misc/lis3lv02d/Makefile
new file mode 100644
index 000000000000..4bf58b16fcf8
--- /dev/null
+++ b/drivers/misc/lis3lv02d/Makefile
@@ -0,0 +1,7 @@
+#
+# STMicroelectonics LIS3LV02D and similar accelerometers
+#
+
+obj-$(CONFIG_SENSORS_LIS3LV02D) += lis3lv02d.o
+obj-$(CONFIG_SENSORS_LIS3_SPI)	+= lis3lv02d_spi.o
+obj-$(CONFIG_SENSORS_LIS3_I2C)	+= lis3lv02d_i2c.o
diff --git a/drivers/hwmon/lis3lv02d.c b/drivers/misc/lis3lv02d/lis3lv02d.c
index d805e8e57967..b928bc14e97b 100644
--- a/drivers/hwmon/lis3lv02d.c
+++ b/drivers/misc/lis3lv02d/lis3lv02d.c
@@ -38,7 +38,7 @@
 #include <linux/uaccess.h>
 #include <linux/miscdevice.h>
 #include <linux/pm_runtime.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 #include "lis3lv02d.h"
 
 #define DRIVER_NAME     "lis3lv02d"
@@ -88,7 +88,6 @@
 struct lis3lv02d lis3_dev = {
 	.misc_wait   = __WAIT_QUEUE_HEAD_INITIALIZER(lis3_dev.misc_wait),
 };
-
 EXPORT_SYMBOL_GPL(lis3_dev);
 
 /* just like param_set_int() but does sanity-check so that it won't point
diff --git a/drivers/hwmon/lis3lv02d.h b/drivers/misc/lis3lv02d/lis3lv02d.h
index a1939589eb2c..a1939589eb2c 100644
--- a/drivers/hwmon/lis3lv02d.h
+++ b/drivers/misc/lis3lv02d/lis3lv02d.h
diff --git a/drivers/hwmon/lis3lv02d_i2c.c b/drivers/misc/lis3lv02d/lis3lv02d_i2c.c
index 8853afce85ce..b20dfb4522d2 100644
--- a/drivers/hwmon/lis3lv02d_i2c.c
+++ b/drivers/misc/lis3lv02d/lis3lv02d_i2c.c
@@ -33,7 +33,7 @@
 #include <linux/delay.h>
 #include "lis3lv02d.h"
 
-#define DRV_NAME 	"lis3lv02d_i2c"
+#define DRV_NAME	"lis3lv02d_i2c"
 
 static const char reg_vdd[]    = "Vdd";
 static const char reg_vdd_io[] = "Vdd_IO";
diff --git a/drivers/hwmon/lis3lv02d_spi.c b/drivers/misc/lis3lv02d/lis3lv02d_spi.c
index c1f8a8fbf694..c1f8a8fbf694 100644
--- a/drivers/hwmon/lis3lv02d_spi.c
+++ b/drivers/misc/lis3lv02d/lis3lv02d_spi.c
diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index a59af5b24f0a..222dfb737b11 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -138,6 +138,24 @@ config TC1100_WMI
 	  This is a driver for the WMI extensions (wireless and bluetooth power
 	  control) of the HP Compaq TC1100 tablet.
 
+config HP_ACCEL
+	tristate "HP laptop accelerometer"
+	depends on INPUT && ACPI
+	select SENSORS_LIS3LV02D
+	select NEW_LEDS
+	select LEDS_CLASS
+	help
+	  This driver provides support for the "Mobile Data Protection System 3D"
+	  or "3D DriveGuard" feature of HP laptops. On such systems the driver
+	  should load automatically (via ACPI alias).
+
+	  Support for a led indicating disk protection will be provided as
+	  hp::hddprotect. For more information on the feature, refer to
+	  Documentation/hwmon/lis3lv02d.
+
+	  To compile this driver as a module, choose M here: the module will
+	  be called hp_accel.
+
 config HP_WMI
 	tristate "HP WMI extras"
 	depends on ACPI_WMI
diff --git a/drivers/platform/x86/Makefile b/drivers/platform/x86/Makefile
index 4ec4ff8f9182..299aefb3e74c 100644
--- a/drivers/platform/x86/Makefile
+++ b/drivers/platform/x86/Makefile
@@ -12,6 +12,7 @@ obj-$(CONFIG_DELL_LAPTOP)	+= dell-laptop.o
 obj-$(CONFIG_DELL_WMI)		+= dell-wmi.o
 obj-$(CONFIG_ACER_WMI)		+= acer-wmi.o
 obj-$(CONFIG_ACERHDF)		+= acerhdf.o
+obj-$(CONFIG_HP_ACCEL)		+= hp_accel.o
 obj-$(CONFIG_HP_WMI)		+= hp-wmi.o
 obj-$(CONFIG_TC1100_WMI)	+= tc1100-wmi.o
 obj-$(CONFIG_SONY_LAPTOP)	+= sony-laptop.o
diff --git a/drivers/hwmon/hp_accel.c b/drivers/platform/x86/hp_accel.c
index 3d21fa2b97cd..1b52d00e2f90 100644
--- a/drivers/hwmon/hp_accel.c
+++ b/drivers/platform/x86/hp_accel.c
@@ -35,11 +35,11 @@
 #include <linux/freezer.h>
 #include <linux/uaccess.h>
 #include <linux/leds.h>
+#include <linux/atomic.h>
 #include <acpi/acpi_drivers.h>
-#include <asm/atomic.h>
-#include "lis3lv02d.h"
+#include "../../misc/lis3lv02d/lis3lv02d.h"
 
-#define DRIVER_NAME     "lis3lv02d"
+#define DRIVER_NAME     "hp_accel"
 #define ACPI_MDPS_CLASS "accelerometer"
 
 /* Delayed LEDs infrastructure ------------------------------------ */
@@ -402,4 +402,3 @@ MODULE_LICENSE("GPL");
 
 module_init(lis3lv02d_init_module);
 module_exit(lis3lv02d_exit_module);
-