Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into avr32-arch

13 files changed, 1597 insertions, 217 deletions

diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index e65448e99b48..3608081bc3e0 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -15,8 +15,7 @@ menuconfig X86_PLATFORM_DEVICES
 if X86_PLATFORM_DEVICES
 
 config ACER_WMI
-	tristate "Acer WMI Laptop Extras (EXPERIMENTAL)"
-	depends on EXPERIMENTAL
+	tristate "Acer WMI Laptop Extras"
 	depends on ACPI
 	depends on LEDS_CLASS
 	depends on NEW_LEDS
@@ -39,9 +38,10 @@ config ASUS_LAPTOP
 	tristate "Asus Laptop Extras (EXPERIMENTAL)"
 	depends on ACPI
 	depends on EXPERIMENTAL && !ACPI_ASUS
-	depends on LEDS_CLASS
-	depends on NEW_LEDS
-	depends on BACKLIGHT_CLASS_DEVICE
+	select LEDS_CLASS
+	select NEW_LEDS
+	select BACKLIGHT_CLASS_DEVICE
+	depends on INPUT
 	---help---
 	  This is the new Linux driver for Asus laptops. It may also support some
 	  MEDION, JVC or VICTOR laptops. It makes all the extra buttons generate
@@ -54,6 +54,19 @@ config ASUS_LAPTOP
 
 	  If you have an ACPI-compatible ASUS laptop, say Y or M here.
 
+config DELL_LAPTOP
+	tristate "Dell Laptop Extras (EXPERIMENTAL)"
+	depends on X86
+	depends on DCDBAS
+	depends on EXPERIMENTAL
+	depends on BACKLIGHT_CLASS_DEVICE
+	depends on RFKILL
+	depends on POWER_SUPPLY
+	default n
+	---help---
+	This driver adds support for rfkill and backlight control to Dell
+	laptops.
+
 config FUJITSU_LAPTOP
 	tristate "Fujitsu Laptop Extras"
 	depends on ACPI
@@ -171,11 +184,11 @@ config SONYPI_COMPAT
 config THINKPAD_ACPI
 	tristate "ThinkPad ACPI Laptop Extras"
 	depends on ACPI
+	depends on INPUT
 	select BACKLIGHT_LCD_SUPPORT
 	select BACKLIGHT_CLASS_DEVICE
 	select HWMON
 	select NVRAM
-	select INPUT
 	select NEW_LEDS
 	select LEDS_CLASS
 	select NET
@@ -192,6 +205,17 @@ config THINKPAD_ACPI
 
 	  If you have an IBM or Lenovo ThinkPad laptop, say Y or M here.
 
+config THINKPAD_ACPI_DEBUGFACILITIES
+	bool "Maintainer debug facilities"
+	depends on THINKPAD_ACPI
+	default n
+	---help---
+	  Enables extra stuff in the thinkpad-acpi which is completely useless
+	  for normal use.  Read the driver source to find out what it does.
+
+	  Say N here, unless you were told by a kernel maintainer to do
+	  otherwise.
+
 config THINKPAD_ACPI_DEBUG
 	bool "Verbose debug mode"
 	depends on THINKPAD_ACPI
@@ -277,6 +301,7 @@ config INTEL_MENLOW
 config EEEPC_LAPTOP
 	tristate "Eee PC Hotkey Driver (EXPERIMENTAL)"
 	depends on ACPI
+	depends on INPUT
 	depends on EXPERIMENTAL
 	select BACKLIGHT_CLASS_DEVICE
 	select HWMON
@@ -289,9 +314,8 @@ config EEEPC_LAPTOP
 
 
 config ACPI_WMI
-	tristate "WMI (EXPERIMENTAL)"
+	tristate "WMI"
 	depends on ACPI
-	depends on EXPERIMENTAL
 	help
 	  This driver adds support for the ACPI-WMI (Windows Management
 	  Instrumentation) mapper device (PNP0C14) found on some systems.
diff --git a/drivers/platform/x86/Makefile b/drivers/platform/x86/Makefile
index 1e9de2ae0de5..e29065120be9 100644
--- a/drivers/platform/x86/Makefile
+++ b/drivers/platform/x86/Makefile
@@ -6,6 +6,7 @@ obj-$(CONFIG_ASUS_LAPTOP)	+= asus-laptop.o
 obj-$(CONFIG_EEEPC_LAPTOP)	+= eeepc-laptop.o
 obj-$(CONFIG_MSI_LAPTOP)	+= msi-laptop.o
 obj-$(CONFIG_COMPAL_LAPTOP)	+= compal-laptop.o
+obj-$(CONFIG_DELL_LAPTOP)	+= dell-laptop.o
 obj-$(CONFIG_ACER_WMI)		+= acer-wmi.o
 obj-$(CONFIG_HP_WMI)		+= hp-wmi.o
 obj-$(CONFIG_TC1100_WMI)	+= tc1100-wmi.o
diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
index 94c9f911824e..a6a42e8c060b 100644
--- a/drivers/platform/x86/acer-wmi.c
+++ b/drivers/platform/x86/acer-wmi.c
@@ -1026,7 +1026,7 @@ static void acer_rfkill_exit(void)
 	kfree(wireless_rfkill->data);
 	rfkill_unregister(wireless_rfkill);
 	if (has_cap(ACER_CAP_BLUETOOTH)) {
-		kfree(wireless_rfkill->data);
+		kfree(bluetooth_rfkill->data);
 		rfkill_unregister(bluetooth_rfkill);
 	}
 	return;
@@ -1297,7 +1297,7 @@ static int __init acer_wmi_init(void)
 
 	set_quirks();
 
-	if (!acpi_video_backlight_support() && has_cap(ACER_CAP_BRIGHTNESS)) {
+	if (acpi_video_backlight_support() && has_cap(ACER_CAP_BRIGHTNESS)) {
 		interface->capability &= ~ACER_CAP_BRIGHTNESS;
 		printk(ACER_INFO "Brightness must be controlled by "
 		       "generic video driver\n");
diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c
index 8fb8b3591048..eeafc6c0160d 100644
--- a/drivers/platform/x86/asus-laptop.c
+++ b/drivers/platform/x86/asus-laptop.c
@@ -46,6 +46,7 @@
 #include <acpi/acpi_drivers.h>
 #include <acpi/acpi_bus.h>
 #include <asm/uaccess.h>
+#include <linux/input.h>
 
 #define ASUS_LAPTOP_VERSION "0.42"
 
@@ -181,6 +182,8 @@ struct asus_hotk {
 	u8 light_level;		//light sensor level
 	u8 light_switch;	//light sensor switch value
 	u16 event_count[128];	//count for each event TODO make this better
+	struct input_dev *inputdev;
+	u16 *keycode_map;
 };
 
 /*
@@ -250,6 +253,37 @@ ASUS_LED(rled, "record");
 ASUS_LED(pled, "phone");
 ASUS_LED(gled, "gaming");
 
+struct key_entry {
+	char type;
+	u8 code;
+	u16 keycode;
+};
+
+enum { KE_KEY, KE_END };
+
+static struct key_entry asus_keymap[] = {
+	{KE_KEY, 0x30, KEY_VOLUMEUP},
+	{KE_KEY, 0x31, KEY_VOLUMEDOWN},
+	{KE_KEY, 0x32, KEY_MUTE},
+	{KE_KEY, 0x33, KEY_SWITCHVIDEOMODE},
+	{KE_KEY, 0x34, KEY_SWITCHVIDEOMODE},
+	{KE_KEY, 0x40, KEY_PREVIOUSSONG},
+	{KE_KEY, 0x41, KEY_NEXTSONG},
+	{KE_KEY, 0x43, KEY_STOP},
+	{KE_KEY, 0x45, KEY_PLAYPAUSE},
+	{KE_KEY, 0x50, KEY_EMAIL},
+	{KE_KEY, 0x51, KEY_WWW},
+	{KE_KEY, 0x5C, BTN_EXTRA},  /* Performance */
+	{KE_KEY, 0x5D, KEY_WLAN},
+	{KE_KEY, 0x61, KEY_SWITCHVIDEOMODE},
+	{KE_KEY, 0x6B, BTN_TOUCH}, /* Lock Mouse */
+	{KE_KEY, 0x82, KEY_CAMERA},
+	{KE_KEY, 0x8A, KEY_TV},
+	{KE_KEY, 0x95, KEY_MEDIA},
+	{KE_KEY, 0x99, KEY_PHONE},
+	{KE_END, 0},
+};
+
 /*
  * This function evaluates an ACPI method, given an int as parameter, the
  * method is searched within the scope of the handle, can be NULL. The output
@@ -720,8 +754,69 @@ static ssize_t store_gps(struct device *dev, struct device_attribute *attr,
 	return store_status(buf, count, NULL, GPS_ON);
 }
 
+/*
+ * Hotkey functions
+ */
+static struct key_entry *asus_get_entry_by_scancode(int code)
+{
+	struct key_entry *key;
+
+	for (key = asus_keymap; key->type != KE_END; key++)
+		if (code == key->code)
+			return key;
+
+	return NULL;
+}
+
+static struct key_entry *asus_get_entry_by_keycode(int code)
+{
+	struct key_entry *key;
+
+	for (key = asus_keymap; key->type != KE_END; key++)
+		if (code == key->keycode && key->type == KE_KEY)
+			return key;
+
+	return NULL;
+}
+
+static int asus_getkeycode(struct input_dev *dev, int scancode, int *keycode)
+{
+	struct key_entry *key = asus_get_entry_by_scancode(scancode);
+
+	if (key && key->type == KE_KEY) {
+		*keycode = key->keycode;
+		return 0;
+	}
+
+	return -EINVAL;
+}
+
+static int asus_setkeycode(struct input_dev *dev, int scancode, int keycode)
+{
+	struct key_entry *key;
+	int old_keycode;
+
+	if (keycode < 0 || keycode > KEY_MAX)
+		return -EINVAL;
+
+	key = asus_get_entry_by_scancode(scancode);
+	if (key && key->type == KE_KEY) {
+		old_keycode = key->keycode;
+		key->keycode = keycode;
+		set_bit(keycode, dev->keybit);
+		if (!asus_get_entry_by_keycode(old_keycode))
+			clear_bit(old_keycode, dev->keybit);
+		return 0;
+	}
+
+	return -EINVAL;
+}
+
 static void asus_hotk_notify(acpi_handle handle, u32 event, void *data)
 {
+	static struct key_entry *key;
+	u16 count;
+
 	/* TODO Find a better way to handle events count. */
 	if (!hotk)
 		return;
@@ -738,10 +833,26 @@ static void asus_hotk_notify(acpi_handle handle, u32 event, void *data)
 		lcd_blank(FB_BLANK_POWERDOWN);
 	}
 
-	acpi_bus_generate_proc_event(hotk->device, event,
-				hotk->event_count[event % 128]++);
-
-	return;
+	count = hotk->event_count[event % 128]++;
+	acpi_bus_generate_proc_event(hotk->device, event, count);
+	acpi_bus_generate_netlink_event(hotk->device->pnp.device_class,
+					dev_name(&hotk->device->dev), event,
+					count);
+
+	if (hotk->inputdev) {
+		key = asus_get_entry_by_scancode(event);
+		if (!key)
+			return ;
+
+		switch (key->type) {
+		case KE_KEY:
+			input_report_key(hotk->inputdev, key->keycode, 1);
+			input_sync(hotk->inputdev);
+			input_report_key(hotk->inputdev, key->keycode, 0);
+			input_sync(hotk->inputdev);
+			break;
+		}
+	}
 }
 
 #define ASUS_CREATE_DEVICE_ATTR(_name)					\
@@ -959,6 +1070,38 @@ static int asus_hotk_get_info(void)
 	return AE_OK;
 }
 
+static int asus_input_init(void)
+{
+	const struct key_entry *key;
+	int result;
+
+	hotk->inputdev = input_allocate_device();
+	if (!hotk->inputdev) {
+		printk(ASUS_INFO "Unable to allocate input device\n");
+		return 0;
+	}
+	hotk->inputdev->name = "Asus Laptop extra buttons";
+	hotk->inputdev->phys = ASUS_HOTK_FILE "/input0";
+	hotk->inputdev->id.bustype = BUS_HOST;
+	hotk->inputdev->getkeycode = asus_getkeycode;
+	hotk->inputdev->setkeycode = asus_setkeycode;
+
+	for (key = asus_keymap; key->type != KE_END; key++) {
+		switch (key->type) {
+		case KE_KEY:
+			set_bit(EV_KEY, hotk->inputdev->evbit);
+			set_bit(key->keycode, hotk->inputdev->keybit);
+			break;
+		}
+	}
+	result = input_register_device(hotk->inputdev);
+	if (result) {
+		printk(ASUS_INFO "Unable to register input device\n");
+		input_free_device(hotk->inputdev);
+	}
+	return result;
+}
+
 static int asus_hotk_check(void)
 {
 	int result = 0;
@@ -1044,7 +1187,7 @@ static int asus_hotk_add(struct acpi_device *device)
 	/* GPS is on by default */
 	write_status(NULL, 1, GPS_ON);
 
-      end:
+end:
 	if (result) {
 		kfree(hotk->name);
 		kfree(hotk);
@@ -1091,10 +1234,17 @@ static void asus_led_exit(void)
 	ASUS_LED_UNREGISTER(gled);
 }
 
+static void asus_input_exit(void)
+{
+	if (hotk->inputdev)
+		input_unregister_device(hotk->inputdev);
+}
+
 static void __exit asus_laptop_exit(void)
 {
 	asus_backlight_exit();
 	asus_led_exit();
+	asus_input_exit();
 
 	acpi_bus_unregister_driver(&asus_hotk_driver);
 	sysfs_remove_group(&asuspf_device->dev.kobj, &asuspf_attribute_group);
@@ -1216,6 +1366,10 @@ static int __init asus_laptop_init(void)
 		printk(ASUS_INFO "Brightness ignored, must be controlled by "
 		       "ACPI video driver\n");
 
+	result = asus_input_init();
+	if (result)
+		goto fail_input;
+
 	result = asus_led_init(dev);
 	if (result)
 		goto fail_led;
@@ -1242,22 +1396,25 @@ static int __init asus_laptop_init(void)
 
 	return 0;
 
-      fail_sysfs:
+fail_sysfs:
 	platform_device_del(asuspf_device);
 
-      fail_platform_device2:
+fail_platform_device2:
 	platform_device_put(asuspf_device);
 
-      fail_platform_device1:
+fail_platform_device1:
 	platform_driver_unregister(&asuspf_driver);
 
-      fail_platform_driver:
+fail_platform_driver:
 	asus_led_exit();
 
-      fail_led:
+fail_led:
+	asus_input_exit();
+
+fail_input:
 	asus_backlight_exit();
 
-      fail_backlight:
+fail_backlight:
 
 	return result;
 }
diff --git a/drivers/platform/x86/asus_acpi.c b/drivers/platform/x86/asus_acpi.c
index 1e74988c7b2d..d63f26e666a4 100644
--- a/drivers/platform/x86/asus_acpi.c
+++ b/drivers/platform/x86/asus_acpi.c
@@ -143,6 +143,7 @@ struct asus_hotk {
 							 S1300N, S5200N*/
 		A4S,            /* Z81sp */
 		F3Sa,		/* (Centrino) */
+		R1F,
 		END_MODEL
 	} model;		/* Models currently supported */
 	u16 event_count[128];	/* Count for each event TODO make this better */
@@ -420,7 +421,18 @@ static struct model_data model_conf[END_MODEL] = {
 		.display_get	= "\\ADVG",
 		.display_set	= "SDSP",
 	},
-
+	{
+		.name = "R1F",
+		.mt_bt_switch = "BLED",
+		.mt_mled = "MLED",
+		.mt_wled = "WLED",
+		.mt_lcd_switch = "\\Q10",
+		.lcd_status = "\\GP06",
+		.brightness_set = "SPLV",
+		.brightness_get = "GPLV",
+		.display_set = "SDSP",
+		.display_get = "\\INFB"
+	}
 };
 
 /* procdir we use */
@@ -1165,6 +1177,8 @@ static int asus_model_match(char *model)
 		return W3V;
 	else if (strncmp(model, "W5A", 3) == 0)
 		return W5A;
+	else if (strncmp(model, "R1F", 3) == 0)
+		return R1F;
 	else if (strncmp(model, "A4S", 3) == 0)
 		return A4S;
 	else if (strncmp(model, "F3Sa", 4) == 0)
diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c
new file mode 100644
index 000000000000..16e11c2ee19a
--- /dev/null
+++ b/drivers/platform/x86/dell-laptop.c
@@ -0,0 +1,436 @@
+/*
+ *  Driver for Dell laptop extras
+ *
+ *  Copyright (c) Red Hat <mjg@redhat.com>
+ *
+ *  Based on documentation in the libsmbios package, Copyright (C) 2005 Dell
+ *  Inc.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/backlight.h>
+#include <linux/err.h>
+#include <linux/dmi.h>
+#include <linux/io.h>
+#include <linux/rfkill.h>
+#include <linux/power_supply.h>
+#include <linux/acpi.h>
+#include "../../firmware/dcdbas.h"
+
+#define BRIGHTNESS_TOKEN 0x7d
+
+/* This structure will be modified by the firmware when we enter
+ * system management mode, hence the volatiles */
+
+struct calling_interface_buffer {
+	u16 class;
+	u16 select;
+	volatile u32 input[4];
+	volatile u32 output[4];
+} __packed;
+
+struct calling_interface_token {
+	u16 tokenID;
+	u16 location;
+	union {
+		u16 value;
+		u16 stringlength;
+	};
+};
+
+struct calling_interface_structure {
+	struct dmi_header header;
+	u16 cmdIOAddress;
+	u8 cmdIOCode;
+	u32 supportedCmds;
+	struct calling_interface_token tokens[];
+} __packed;
+
+static int da_command_address;
+static int da_command_code;
+static int da_num_tokens;
+static struct calling_interface_token *da_tokens;
+
+static struct backlight_device *dell_backlight_device;
+static struct rfkill *wifi_rfkill;
+static struct rfkill *bluetooth_rfkill;
+static struct rfkill *wwan_rfkill;
+
+static const struct dmi_system_id __initdata dell_device_table[] = {
+	{
+		.ident = "Dell laptop",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+			DMI_MATCH(DMI_CHASSIS_TYPE, "8"),
+		},
+	},
+	{ }
+};
+
+static void parse_da_table(const struct dmi_header *dm)
+{
+	/* Final token is a terminator, so we don't want to copy it */
+	int tokens = (dm->length-11)/sizeof(struct calling_interface_token)-1;
+	struct calling_interface_structure *table =
+		container_of(dm, struct calling_interface_structure, header);
+
+	/* 4 bytes of table header, plus 7 bytes of Dell header, plus at least
+	   6 bytes of entry */
+
+	if (dm->length < 17)
+		return;
+
+	da_command_address = table->cmdIOAddress;
+	da_command_code = table->cmdIOCode;
+
+	da_tokens = krealloc(da_tokens, (da_num_tokens + tokens) *
+			     sizeof(struct calling_interface_token),
+			     GFP_KERNEL);
+
+	if (!da_tokens)
+		return;
+
+	memcpy(da_tokens+da_num_tokens, table->tokens,
+	       sizeof(struct calling_interface_token) * tokens);
+
+	da_num_tokens += tokens;
+}
+
+static void find_tokens(const struct dmi_header *dm)
+{
+	switch (dm->type) {
+	case 0xd4: /* Indexed IO */
+		break;
+	case 0xd5: /* Protected Area Type 1 */
+		break;
+	case 0xd6: /* Protected Area Type 2 */
+		break;
+	case 0xda: /* Calling interface */
+		parse_da_table(dm);
+		break;
+	}
+}
+
+static int find_token_location(int tokenid)
+{
+	int i;
+	for (i = 0; i < da_num_tokens; i++) {
+		if (da_tokens[i].tokenID == tokenid)
+			return da_tokens[i].location;
+	}
+
+	return -1;
+}
+
+static struct calling_interface_buffer *
+dell_send_request(struct calling_interface_buffer *buffer, int class,
+		  int select)
+{
+	struct smi_cmd command;
+
+	command.magic = SMI_CMD_MAGIC;
+	command.command_address = da_command_address;
+	command.command_code = da_command_code;
+	command.ebx = virt_to_phys(buffer);
+	command.ecx = 0x42534931;
+
+	buffer->class = class;
+	buffer->select = select;
+
+	dcdbas_smi_request(&command);
+
+	return buffer;
+}
+
+/* Derived from information in DellWirelessCtl.cpp:
+   Class 17, select 11 is radio control. It returns an array of 32-bit values.
+
+   result[0]: return code
+   result[1]:
+     Bit 0:      Hardware switch supported
+     Bit 1:      Wifi locator supported
+     Bit 2:      Wifi is supported
+     Bit 3:      Bluetooth is supported
+     Bit 4:      WWAN is supported
+     Bit 5:      Wireless keyboard supported
+     Bits 6-7:   Reserved
+     Bit 8:      Wifi is installed
+     Bit 9:      Bluetooth is installed
+     Bit 10:     WWAN is installed
+     Bits 11-15: Reserved
+     Bit 16:     Hardware switch is on
+     Bit 17:     Wifi is blocked
+     Bit 18:     Bluetooth is blocked
+     Bit 19:     WWAN is blocked
+     Bits 20-31: Reserved
+   result[2]: NVRAM size in bytes
+   result[3]: NVRAM format version number
+*/
+
+static int dell_rfkill_set(int radio, enum rfkill_state state)
+{
+	struct calling_interface_buffer buffer;
+	int disable = (state == RFKILL_STATE_UNBLOCKED) ? 0 : 1;
+
+	memset(&buffer, 0, sizeof(struct calling_interface_buffer));
+	buffer.input[0] = (1 | (radio<<8) | (disable << 16));
+	dell_send_request(&buffer, 17, 11);
+
+	return 0;
+}
+
+static int dell_wifi_set(void *data, enum rfkill_state state)
+{
+	return dell_rfkill_set(1, state);
+}
+
+static int dell_bluetooth_set(void *data, enum rfkill_state state)
+{
+	return dell_rfkill_set(2, state);
+}
+
+static int dell_wwan_set(void *data, enum rfkill_state state)
+{
+	return dell_rfkill_set(3, state);
+}
+
+static int dell_rfkill_get(int bit, enum rfkill_state *state)
+{
+	struct calling_interface_buffer buffer;
+	int status;
+	int new_state = RFKILL_STATE_HARD_BLOCKED;
+
+	memset(&buffer, 0, sizeof(struct calling_interface_buffer));
+	dell_send_request(&buffer, 17, 11);
+	status = buffer.output[1];
+
+	if (status & (1<<16))
+		new_state = RFKILL_STATE_SOFT_BLOCKED;
+
+	if (status & (1<<bit))
+		*state = new_state;
+	else
+		*state = RFKILL_STATE_UNBLOCKED;
+
+	return 0;
+}
+
+static int dell_wifi_get(void *data, enum rfkill_state *state)
+{
+	return dell_rfkill_get(17, state);
+}
+
+static int dell_bluetooth_get(void *data, enum rfkill_state *state)
+{
+	return dell_rfkill_get(18, state);
+}
+
+static int dell_wwan_get(void *data, enum rfkill_state *state)
+{
+	return dell_rfkill_get(19, state);
+}
+
+static int dell_setup_rfkill(void)
+{
+	struct calling_interface_buffer buffer;
+	int status;
+	int ret;
+
+	memset(&buffer, 0, sizeof(struct calling_interface_buffer));
+	dell_send_request(&buffer, 17, 11);
+	status = buffer.output[1];
+
+	if ((status & (1<<2|1<<8)) == (1<<2|1<<8)) {
+		wifi_rfkill = rfkill_allocate(NULL, RFKILL_TYPE_WLAN);
+		if (!wifi_rfkill)
+			goto err_wifi;
+		wifi_rfkill->name = "dell-wifi";
+		wifi_rfkill->toggle_radio = dell_wifi_set;
+		wifi_rfkill->get_state = dell_wifi_get;
+		ret = rfkill_register(wifi_rfkill);
+		if (ret)
+			goto err_wifi;
+	}
+
+	if ((status & (1<<3|1<<9)) == (1<<3|1<<9)) {
+		bluetooth_rfkill = rfkill_allocate(NULL, RFKILL_TYPE_BLUETOOTH);
+		if (!bluetooth_rfkill)
+			goto err_bluetooth;
+		bluetooth_rfkill->name = "dell-bluetooth";
+		bluetooth_rfkill->toggle_radio = dell_bluetooth_set;
+		bluetooth_rfkill->get_state = dell_bluetooth_get;
+		ret = rfkill_register(bluetooth_rfkill);
+		if (ret)
+			goto err_bluetooth;
+	}
+
+	if ((status & (1<<4|1<<10)) == (1<<4|1<<10)) {
+		wwan_rfkill = rfkill_allocate(NULL, RFKILL_TYPE_WWAN);
+		if (!wwan_rfkill)
+			goto err_wwan;
+		wwan_rfkill->name = "dell-wwan";
+		wwan_rfkill->toggle_radio = dell_wwan_set;
+		wwan_rfkill->get_state = dell_wwan_get;
+		ret = rfkill_register(wwan_rfkill);
+		if (ret)
+			goto err_wwan;
+	}
+
+	return 0;
+err_wwan:
+	if (wwan_rfkill)
+		rfkill_free(wwan_rfkill);
+	if (bluetooth_rfkill) {
+		rfkill_unregister(bluetooth_rfkill);
+		bluetooth_rfkill = NULL;
+	}
+err_bluetooth:
+	if (bluetooth_rfkill)
+		rfkill_free(bluetooth_rfkill);
+	if (wifi_rfkill) {
+		rfkill_unregister(wifi_rfkill);
+		wifi_rfkill = NULL;
+	}
+err_wifi:
+	if (wifi_rfkill)
+		rfkill_free(wifi_rfkill);
+
+	return ret;
+}
+
+static int dell_send_intensity(struct backlight_device *bd)
+{
+	struct calling_interface_buffer buffer;
+
+	memset(&buffer, 0, sizeof(struct calling_interface_buffer));
+	buffer.input[0] = find_token_location(BRIGHTNESS_TOKEN);
+	buffer.input[1] = bd->props.brightness;
+
+	if (buffer.input[0] == -1)
+		return -ENODEV;
+
+	if (power_supply_is_system_supplied() > 0)
+		dell_send_request(&buffer, 1, 2);
+	else
+		dell_send_request(&buffer, 1, 1);
+
+	return 0;
+}
+
+static int dell_get_intensity(struct backlight_device *bd)
+{
+	struct calling_interface_buffer buffer;
+
+	memset(&buffer, 0, sizeof(struct calling_interface_buffer));
+	buffer.input[0] = find_token_location(BRIGHTNESS_TOKEN);
+
+	if (buffer.input[0] == -1)
+		return -ENODEV;
+
+	if (power_supply_is_system_supplied() > 0)
+		dell_send_request(&buffer, 0, 2);
+	else
+		dell_send_request(&buffer, 0, 1);
+
+	return buffer.output[1];
+}
+
+static struct backlight_ops dell_ops = {
+	.get_brightness = dell_get_intensity,
+	.update_status  = dell_send_intensity,
+};
+
+static int __init dell_init(void)
+{
+	struct calling_interface_buffer buffer;
+	int max_intensity = 0;
+	int ret;
+
+	if (!dmi_check_system(dell_device_table))
+		return -ENODEV;
+
+	dmi_walk(find_tokens);
+
+	if (!da_tokens)  {
+		printk(KERN_INFO "dell-laptop: Unable to find dmi tokens\n");
+		return -ENODEV;
+	}
+
+	ret = dell_setup_rfkill();
+
+	if (ret) {
+		printk(KERN_WARNING "dell-laptop: Unable to setup rfkill\n");
+		goto out;
+	}
+
+#ifdef CONFIG_ACPI
+	/* In the event of an ACPI backlight being available, don't
+	 * register the platform controller.
+	 */
+	if (acpi_video_backlight_support())
+		return 0;
+#endif
+
+	memset(&buffer, 0, sizeof(struct calling_interface_buffer));
+	buffer.input[0] = find_token_location(BRIGHTNESS_TOKEN);
+
+	if (buffer.input[0] != -1) {
+		dell_send_request(&buffer, 0, 2);
+		max_intensity = buffer.output[3];
+	}
+
+	if (max_intensity) {
+		dell_backlight_device = backlight_device_register(
+			"dell_backlight",
+			NULL, NULL,
+			&dell_ops);
+
+		if (IS_ERR(dell_backlight_device)) {
+			ret = PTR_ERR(dell_backlight_device);
+			dell_backlight_device = NULL;
+			goto out;
+		}
+
+		dell_backlight_device->props.max_brightness = max_intensity;
+		dell_backlight_device->props.brightness =
+			dell_get_intensity(dell_backlight_device);
+		backlight_update_status(dell_backlight_device);
+	}
+
+	return 0;
+out:
+	if (wifi_rfkill)
+		rfkill_unregister(wifi_rfkill);
+	if (bluetooth_rfkill)
+		rfkill_unregister(bluetooth_rfkill);
+	if (wwan_rfkill)
+		rfkill_unregister(wwan_rfkill);
+	kfree(da_tokens);
+	return ret;
+}
+
+static void __exit dell_exit(void)
+{
+	backlight_device_unregister(dell_backlight_device);
+	if (wifi_rfkill)
+		rfkill_unregister(wifi_rfkill);
+	if (bluetooth_rfkill)
+		rfkill_unregister(bluetooth_rfkill);
+	if (wwan_rfkill)
+		rfkill_unregister(wwan_rfkill);
+}
+
+module_init(dell_init);
+module_exit(dell_exit);
+
+MODULE_AUTHOR("Matthew Garrett <mjg@redhat.com>");
+MODULE_DESCRIPTION("Dell laptop driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("dmi:*svnDellInc.:*:ct8:*");
diff --git a/drivers/platform/x86/eeepc-laptop.c b/drivers/platform/x86/eeepc-laptop.c
index 02fe2b8b8939..6f54fd1757cd 100644
--- a/drivers/platform/x86/eeepc-laptop.c
+++ b/drivers/platform/x86/eeepc-laptop.c
@@ -30,6 +30,7 @@
 #include <linux/uaccess.h>
 #include <linux/input.h>
 #include <linux/rfkill.h>
+#include <linux/pci.h>
 
 #define EEEPC_LAPTOP_VERSION	"0.1"
 
@@ -90,7 +91,7 @@ enum {
 };
 
 static const char *cm_getv[] = {
-	"WLDG", NULL, NULL, NULL,
+	"WLDG", "BTHG", NULL, NULL,
 	"CAMG", NULL, NULL, NULL,
 	NULL, "PBLG", NULL, NULL,
 	"CFVG", NULL, NULL, NULL,
@@ -99,7 +100,7 @@ static const char *cm_getv[] = {
 };
 
 static const char *cm_setv[] = {
-	"WLDS", NULL, NULL, NULL,
+	"WLDS", "BTHS", NULL, NULL,
 	"CAMS", NULL, NULL, NULL,
 	"SDSP", "PBLS", "HDPS", NULL,
 	"CFVS", NULL, NULL, NULL,
@@ -161,6 +162,10 @@ static struct key_entry eeepc_keymap[] = {
 	{KE_KEY, 0x13, KEY_MUTE },
 	{KE_KEY, 0x14, KEY_VOLUMEDOWN },
 	{KE_KEY, 0x15, KEY_VOLUMEUP },
+	{KE_KEY, 0x1a, KEY_COFFEE },
+	{KE_KEY, 0x1b, KEY_ZOOM },
+	{KE_KEY, 0x1c, KEY_PROG2 },
+	{KE_KEY, 0x1d, KEY_PROG3 },
 	{KE_KEY, 0x30, KEY_SWITCHVIDEOMODE },
 	{KE_KEY, 0x31, KEY_SWITCHVIDEOMODE },
 	{KE_KEY, 0x32, KEY_SWITCHVIDEOMODE },
@@ -510,18 +515,59 @@ static int eeepc_hotk_check(void)
 static void notify_brn(void)
 {
 	struct backlight_device *bd = eeepc_backlight_device;
-	bd->props.brightness = read_brightness(bd);
+	if (bd)
+		bd->props.brightness = read_brightness(bd);
+}
+
+static void eeepc_rfkill_notify(acpi_handle handle, u32 event, void *data)
+{
+	struct pci_dev *dev;
+	struct pci_bus *bus = pci_find_bus(0, 1);
+
+	if (event != ACPI_NOTIFY_BUS_CHECK)
+		return;
+
+	if (!bus) {
+		printk(EEEPC_WARNING "Unable to find PCI bus 1?\n");
+		return;
+	}
+
+	if (get_acpi(CM_ASL_WLAN) == 1) {
+		dev = pci_get_slot(bus, 0);
+		if (dev) {
+			/* Device already present */
+			pci_dev_put(dev);
+			return;
+		}
+		dev = pci_scan_single_device(bus, 0);
+		if (dev) {
+			pci_bus_assign_resources(bus);
+			if (pci_bus_add_device(dev))
+				printk(EEEPC_ERR "Unable to hotplug wifi\n");
+		}
+	} else {
+		dev = pci_get_slot(bus, 0);
+		if (dev) {
+			pci_remove_bus_device(dev);
+			pci_dev_put(dev);
+		}
+	}
 }
 
 static void eeepc_hotk_notify(acpi_handle handle, u32 event, void *data)
 {
 	static struct key_entry *key;
+	u16 count;
+
 	if (!ehotk)
 		return;
 	if (event >= NOTIFY_BRN_MIN && event <= NOTIFY_BRN_MAX)
 		notify_brn();
-	acpi_bus_generate_proc_event(ehotk->device, event,
-				     ehotk->event_count[event % 128]++);
+	count = ehotk->event_count[event % 128]++;
+	acpi_bus_generate_proc_event(ehotk->device, event, count);
+	acpi_bus_generate_netlink_event(ehotk->device->pnp.device_class,
+					dev_name(&ehotk->device->dev), event,
+					count);
 	if (ehotk->inputdev) {
 		key = eepc_get_entry_by_scancode(event);
 		if (key) {
@@ -539,6 +585,45 @@ static void eeepc_hotk_notify(acpi_handle handle, u32 event, void *data)
 	}
 }
 
+static int eeepc_register_rfkill_notifier(char *node)
+{
+	acpi_status status = AE_OK;
+	acpi_handle handle;
+
+	status = acpi_get_handle(NULL, node, &handle);
+
+	if (ACPI_SUCCESS(status)) {
+		status = acpi_install_notify_handler(handle,
+						     ACPI_SYSTEM_NOTIFY,
+						     eeepc_rfkill_notify,
+						     NULL);
+		if (ACPI_FAILURE(status))
+			printk(EEEPC_WARNING
+			       "Failed to register notify on %s\n", node);
+	} else
+		return -ENODEV;
+
+	return 0;
+}
+
+static void eeepc_unregister_rfkill_notifier(char *node)
+{
+	acpi_status status = AE_OK;
+	acpi_handle handle;
+
+	status = acpi_get_handle(NULL, node, &handle);
+
+	if (ACPI_SUCCESS(status)) {
+		status = acpi_remove_notify_handler(handle,
+						     ACPI_SYSTEM_NOTIFY,
+						     eeepc_rfkill_notify);
+		if (ACPI_FAILURE(status))
+			printk(EEEPC_ERR
+			       "Error removing rfkill notify handler %s\n",
+				node);
+	}
+}
+
 static int eeepc_hotk_add(struct acpi_device *device)
 {
 	acpi_status status = AE_OK;
@@ -558,7 +643,7 @@ static int eeepc_hotk_add(struct acpi_device *device)
 	ehotk->device = device;
 	result = eeepc_hotk_check();
 	if (result)
-		goto end;
+		goto ehotk_fail;
 	status = acpi_install_notify_handler(ehotk->handle, ACPI_SYSTEM_NOTIFY,
 					     eeepc_hotk_notify, ehotk);
 	if (ACPI_FAILURE(status))
@@ -569,18 +654,25 @@ static int eeepc_hotk_add(struct acpi_device *device)
 							   RFKILL_TYPE_WLAN);
 
 		if (!ehotk->eeepc_wlan_rfkill)
-			goto end;
+			goto wlan_fail;
 
 		ehotk->eeepc_wlan_rfkill->name = "eeepc-wlan";
 		ehotk->eeepc_wlan_rfkill->toggle_radio = eeepc_wlan_rfkill_set;
 		ehotk->eeepc_wlan_rfkill->get_state = eeepc_wlan_rfkill_state;
-		if (get_acpi(CM_ASL_WLAN) == 1)
+		if (get_acpi(CM_ASL_WLAN) == 1) {
 			ehotk->eeepc_wlan_rfkill->state =
 				RFKILL_STATE_UNBLOCKED;
-		else
+			rfkill_set_default(RFKILL_TYPE_WLAN,
+					   RFKILL_STATE_UNBLOCKED);
+		} else {
 			ehotk->eeepc_wlan_rfkill->state =
 				RFKILL_STATE_SOFT_BLOCKED;
-		rfkill_register(ehotk->eeepc_wlan_rfkill);
+			rfkill_set_default(RFKILL_TYPE_WLAN,
+					   RFKILL_STATE_SOFT_BLOCKED);
+		}
+		result = rfkill_register(ehotk->eeepc_wlan_rfkill);
+		if (result)
+			goto wlan_fail;
 	}
 
 	if (get_acpi(CM_ASL_BLUETOOTH) != -1) {
@@ -588,27 +680,47 @@ static int eeepc_hotk_add(struct acpi_device *device)
 			rfkill_allocate(&device->dev, RFKILL_TYPE_BLUETOOTH);
 
 		if (!ehotk->eeepc_bluetooth_rfkill)
-			goto end;
+			goto bluetooth_fail;
 
 		ehotk->eeepc_bluetooth_rfkill->name = "eeepc-bluetooth";
 		ehotk->eeepc_bluetooth_rfkill->toggle_radio =
 			eeepc_bluetooth_rfkill_set;
 		ehotk->eeepc_bluetooth_rfkill->get_state =
 			eeepc_bluetooth_rfkill_state;
-		if (get_acpi(CM_ASL_BLUETOOTH) == 1)
+		if (get_acpi(CM_ASL_BLUETOOTH) == 1) {
 			ehotk->eeepc_bluetooth_rfkill->state =
 				RFKILL_STATE_UNBLOCKED;
-		else
+			rfkill_set_default(RFKILL_TYPE_BLUETOOTH,
+					   RFKILL_STATE_UNBLOCKED);
+		} else {
 			ehotk->eeepc_bluetooth_rfkill->state =
 				RFKILL_STATE_SOFT_BLOCKED;
-		rfkill_register(ehotk->eeepc_bluetooth_rfkill);
-	}
+			rfkill_set_default(RFKILL_TYPE_BLUETOOTH,
+					   RFKILL_STATE_SOFT_BLOCKED);
+		}
 
- end:
-	if (result) {
-		kfree(ehotk);
-		ehotk = NULL;
+		result = rfkill_register(ehotk->eeepc_bluetooth_rfkill);
+		if (result)
+			goto bluetooth_fail;
 	}
+
+	eeepc_register_rfkill_notifier("\\_SB.PCI0.P0P6");
+	eeepc_register_rfkill_notifier("\\_SB.PCI0.P0P7");
+
+	return 0;
+
+ bluetooth_fail:
+	if (ehotk->eeepc_bluetooth_rfkill)
+		rfkill_free(ehotk->eeepc_bluetooth_rfkill);
+	rfkill_unregister(ehotk->eeepc_wlan_rfkill);
+	ehotk->eeepc_wlan_rfkill = NULL;
+ wlan_fail:
+	if (ehotk->eeepc_wlan_rfkill)
+		rfkill_free(ehotk->eeepc_wlan_rfkill);
+ ehotk_fail:
+	kfree(ehotk);
+	ehotk = NULL;
+
 	return result;
 }
 
@@ -622,6 +734,10 @@ static int eeepc_hotk_remove(struct acpi_device *device, int type)
 					    eeepc_hotk_notify);
 	if (ACPI_FAILURE(status))
 		printk(EEEPC_ERR "Error removing notify handler\n");
+
+	eeepc_unregister_rfkill_notifier("\\_SB.PCI0.P0P6");
+	eeepc_unregister_rfkill_notifier("\\_SB.PCI0.P0P7");
+
 	kfree(ehotk);
 	return 0;
 }
@@ -737,13 +853,21 @@ static void eeepc_backlight_exit(void)
 {
 	if (eeepc_backlight_device)
 		backlight_device_unregister(eeepc_backlight_device);
-	if (ehotk->inputdev)
-		input_unregister_device(ehotk->inputdev);
+	eeepc_backlight_device = NULL;
+}
+
+static void eeepc_rfkill_exit(void)
+{
 	if (ehotk->eeepc_wlan_rfkill)
 		rfkill_unregister(ehotk->eeepc_wlan_rfkill);
 	if (ehotk->eeepc_bluetooth_rfkill)
 		rfkill_unregister(ehotk->eeepc_bluetooth_rfkill);
-	eeepc_backlight_device = NULL;
+}
+
+static void eeepc_input_exit(void)
+{
+	if (ehotk->inputdev)
+		input_unregister_device(ehotk->inputdev);
 }
 
 static void eeepc_hwmon_exit(void)
@@ -762,6 +886,8 @@ static void eeepc_hwmon_exit(void)
 static void __exit eeepc_laptop_exit(void)
 {
 	eeepc_backlight_exit();
+	eeepc_rfkill_exit();
+	eeepc_input_exit();
 	eeepc_hwmon_exit();
 	acpi_bus_unregister_driver(&eeepc_hotk_driver);
 	sysfs_remove_group(&platform_device->dev.kobj,
@@ -865,6 +991,8 @@ fail_platform_driver:
 fail_hwmon:
 	eeepc_backlight_exit();
 fail_backlight:
+	eeepc_input_exit();
+	eeepc_rfkill_exit();
 	return result;
 }
 
diff --git a/drivers/platform/x86/fujitsu-laptop.c b/drivers/platform/x86/fujitsu-laptop.c
index 65dc41540c62..45940f31fe9e 100644
--- a/drivers/platform/x86/fujitsu-laptop.c
+++ b/drivers/platform/x86/fujitsu-laptop.c
@@ -166,6 +166,7 @@ struct fujitsu_hotkey_t {
 	struct platform_device *pf_device;
 	struct kfifo *fifo;
 	spinlock_t fifo_lock;
+	int rfkill_supported;
 	int rfkill_state;
 	int logolamp_registered;
 	int kblamps_registered;
@@ -526,7 +527,7 @@ static ssize_t
 show_lid_state(struct device *dev,
 			struct device_attribute *attr, char *buf)
 {
-	if (fujitsu_hotkey->rfkill_state == UNSUPPORTED_CMD)
+	if (!(fujitsu_hotkey->rfkill_supported & 0x100))
 		return sprintf(buf, "unknown\n");
 	if (fujitsu_hotkey->rfkill_state & 0x100)
 		return sprintf(buf, "open\n");
@@ -538,7 +539,7 @@ static ssize_t
 show_dock_state(struct device *dev,
 			struct device_attribute *attr, char *buf)
 {
-	if (fujitsu_hotkey->rfkill_state == UNSUPPORTED_CMD)
+	if (!(fujitsu_hotkey->rfkill_supported & 0x200))
 		return sprintf(buf, "unknown\n");
 	if (fujitsu_hotkey->rfkill_state & 0x200)
 		return sprintf(buf, "docked\n");
@@ -550,7 +551,7 @@ static ssize_t
 show_radios_state(struct device *dev,
 			struct device_attribute *attr, char *buf)
 {
-	if (fujitsu_hotkey->rfkill_state == UNSUPPORTED_CMD)
+	if (!(fujitsu_hotkey->rfkill_supported & 0x20))
 		return sprintf(buf, "unknown\n");
 	if (fujitsu_hotkey->rfkill_state & 0x20)
 		return sprintf(buf, "on\n");
@@ -928,8 +929,17 @@ static int acpi_fujitsu_hotkey_add(struct acpi_device *device)
 		; /* No action, result is discarded */
 	vdbg_printk(FUJLAPTOP_DBG_INFO, "Discarded %i ringbuffer entries\n", i);
 
-	fujitsu_hotkey->rfkill_state =
-		call_fext_func(FUNC_RFKILL, 0x4, 0x0, 0x0);
+	fujitsu_hotkey->rfkill_supported =
+		call_fext_func(FUNC_RFKILL, 0x0, 0x0, 0x0);
+
+	/* Make sure our bitmask of supported functions is cleared if the
+	   RFKILL function block is not implemented, like on the S7020. */
+	if (fujitsu_hotkey->rfkill_supported == UNSUPPORTED_CMD)
+		fujitsu_hotkey->rfkill_supported = 0;
+
+	if (fujitsu_hotkey->rfkill_supported)
+		fujitsu_hotkey->rfkill_state =
+			call_fext_func(FUNC_RFKILL, 0x4, 0x0, 0x0);
 
 	/* Suspect this is a keymap of the application panel, print it */
 	printk(KERN_INFO "fujitsu-laptop: BTNI: [0x%x]\n",
@@ -1005,8 +1015,9 @@ static void acpi_fujitsu_hotkey_notify(acpi_handle handle, u32 event,
 
 	input = fujitsu_hotkey->input;
 
-	fujitsu_hotkey->rfkill_state =
-		call_fext_func(FUNC_RFKILL, 0x4, 0x0, 0x0);
+	if (fujitsu_hotkey->rfkill_supported)
+		fujitsu_hotkey->rfkill_state =
+			call_fext_func(FUNC_RFKILL, 0x4, 0x0, 0x0);
 
 	switch (event) {
 	case ACPI_FUJITSU_NOTIFY_CODE1:
diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c
index 7c789f0a94d7..f41135f2fb29 100644
--- a/drivers/platform/x86/hp-wmi.c
+++ b/drivers/platform/x86/hp-wmi.c
@@ -382,6 +382,11 @@ static int __init hp_wmi_input_setup(void)
 		case KE_SW:
 			set_bit(EV_SW, hp_wmi_input_dev->evbit);
 			set_bit(key->keycode, hp_wmi_input_dev->swbit);
+
+			/* Set initial dock state */
+			input_report_switch(hp_wmi_input_dev, key->keycode,
+					    hp_wmi_dock_state());
+			input_sync(hp_wmi_input_dev);
 			break;
 		}
 	}
@@ -441,6 +446,7 @@ static int __init hp_wmi_bios_setup(struct platform_device *device)
 		bluetooth_rfkill->toggle_radio = hp_wmi_bluetooth_set;
 		bluetooth_rfkill->user_claim_unsupported = 1;
 		err = rfkill_register(bluetooth_rfkill);
+		if (err)
 			goto register_bluetooth_error;
 	}
 
@@ -457,9 +463,11 @@ static int __init hp_wmi_bios_setup(struct platform_device *device)
 
 	return 0;
 register_wwan_err:
-	rfkill_unregister(bluetooth_rfkill);
+	if (bluetooth_rfkill)
+		rfkill_unregister(bluetooth_rfkill);
 register_bluetooth_error:
-	rfkill_unregister(wifi_rfkill);
+	if (wifi_rfkill)
+		rfkill_unregister(wifi_rfkill);
 add_sysfs_error:
 	cleanup_sysfs(device);
 	return err;
diff --git a/drivers/platform/x86/panasonic-laptop.c b/drivers/platform/x86/panasonic-laptop.c
index f30db367c82e..c47a44dcb702 100644
--- a/drivers/platform/x86/panasonic-laptop.c
+++ b/drivers/platform/x86/panasonic-laptop.c
@@ -507,7 +507,7 @@ static void acpi_pcc_generate_keyinput(struct pcc_acpi *pcc)
 
 	hkey_num = result & 0xf;
 
-	if (hkey_num < 0 || hkey_num > ARRAY_SIZE(pcc->keymap)) {
+	if (hkey_num < 0 || hkey_num >= ARRAY_SIZE(pcc->keymap)) {
 		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
 				  "hotkey number out of range: %d\n",
 				  hkey_num));
diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c
index 537959d07148..bc8996c849ac 100644
--- a/drivers/platform/x86/sony-laptop.c
+++ b/drivers/platform/x86/sony-laptop.c
@@ -1917,12 +1917,7 @@ static struct sonypi_compat_s sonypi_compat = {
 
 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
 {
-	int retval;
-
-	retval = fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
-	if (retval < 0)
-		return retval;
-	return 0;
+	return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
 }
 
 static int sonypi_misc_release(struct inode *inode, struct file *file)
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 3478453eba7a..d2433204a40c 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -21,7 +21,7 @@
  *  02110-1301, USA.
  */
 
-#define TPACPI_VERSION "0.21"
+#define TPACPI_VERSION "0.22"
 #define TPACPI_SYSFS_VERSION 0x020200
 
 /*
@@ -122,6 +122,27 @@ enum {
 #define TPACPI_HKEY_INPUT_PRODUCT	0x5054 /* "TP" */
 #define TPACPI_HKEY_INPUT_VERSION	0x4101
 
+/* ACPI \WGSV commands */
+enum {
+	TP_ACPI_WGSV_GET_STATE		= 0x01, /* Get state information */
+	TP_ACPI_WGSV_PWR_ON_ON_RESUME	= 0x02, /* Resume WWAN powered on */
+	TP_ACPI_WGSV_PWR_OFF_ON_RESUME	= 0x03,	/* Resume WWAN powered off */
+	TP_ACPI_WGSV_SAVE_STATE		= 0x04, /* Save state for S4/S5 */
+};
+
+/* TP_ACPI_WGSV_GET_STATE bits */
+enum {
+	TP_ACPI_WGSV_STATE_WWANEXIST	= 0x0001, /* WWAN hw available */
+	TP_ACPI_WGSV_STATE_WWANPWR	= 0x0002, /* WWAN radio enabled */
+	TP_ACPI_WGSV_STATE_WWANPWRRES	= 0x0004, /* WWAN state at resume */
+	TP_ACPI_WGSV_STATE_WWANBIOSOFF	= 0x0008, /* WWAN disabled in BIOS */
+	TP_ACPI_WGSV_STATE_BLTHEXIST	= 0x0001, /* BLTH hw available */
+	TP_ACPI_WGSV_STATE_BLTHPWR	= 0x0002, /* BLTH radio enabled */
+	TP_ACPI_WGSV_STATE_BLTHPWRRES	= 0x0004, /* BLTH state at resume */
+	TP_ACPI_WGSV_STATE_BLTHBIOSOFF	= 0x0008, /* BLTH disabled in BIOS */
+	TP_ACPI_WGSV_STATE_UWBEXIST	= 0x0010, /* UWB hw available */
+	TP_ACPI_WGSV_STATE_UWBPWR	= 0x0020, /* UWB radio enabled */
+};
 
 /****************************************************************************
  * Main driver
@@ -148,14 +169,17 @@ enum {
 enum {
 	TPACPI_RFK_BLUETOOTH_SW_ID = 0,
 	TPACPI_RFK_WWAN_SW_ID,
+	TPACPI_RFK_UWB_SW_ID,
 };
 
 /* Debugging */
 #define TPACPI_LOG TPACPI_FILE ": "
-#define TPACPI_ERR	   KERN_ERR    TPACPI_LOG
-#define TPACPI_NOTICE KERN_NOTICE TPACPI_LOG
-#define TPACPI_INFO   KERN_INFO   TPACPI_LOG
-#define TPACPI_DEBUG  KERN_DEBUG  TPACPI_LOG
+#define TPACPI_ALERT	KERN_ALERT  TPACPI_LOG
+#define TPACPI_CRIT	KERN_CRIT   TPACPI_LOG
+#define TPACPI_ERR	KERN_ERR    TPACPI_LOG
+#define TPACPI_NOTICE	KERN_NOTICE TPACPI_LOG
+#define TPACPI_INFO	KERN_INFO   TPACPI_LOG
+#define TPACPI_DEBUG	KERN_DEBUG  TPACPI_LOG
 
 #define TPACPI_DBG_ALL		0xffff
 #define TPACPI_DBG_INIT		0x0001
@@ -201,6 +225,7 @@ struct ibm_struct {
 	void (*exit) (void);
 	void (*resume) (void);
 	void (*suspend) (pm_message_t state);
+	void (*shutdown) (void);
 
 	struct list_head all_drivers;
 
@@ -239,6 +264,7 @@ static struct {
 	u32 bright_16levels:1;
 	u32 bright_acpimode:1;
 	u32 wan:1;
+	u32 uwb:1;
 	u32 fan_ctrl_status_undef:1;
 	u32 input_device_registered:1;
 	u32 platform_drv_registered:1;
@@ -288,6 +314,18 @@ struct tpacpi_led_classdev {
 	unsigned int led;
 };
 
+#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
+static int dbg_wlswemul;
+static int tpacpi_wlsw_emulstate;
+static int dbg_bluetoothemul;
+static int tpacpi_bluetooth_emulstate;
+static int dbg_wwanemul;
+static int tpacpi_wwan_emulstate;
+static int dbg_uwbemul;
+static int tpacpi_uwb_emulstate;
+#endif
+
+
 /****************************************************************************
  ****************************************************************************
  *
@@ -728,6 +766,18 @@ static int tpacpi_resume_handler(struct platform_device *pdev)
 	return 0;
 }
 
+static void tpacpi_shutdown_handler(struct platform_device *pdev)
+{
+	struct ibm_struct *ibm, *itmp;
+
+	list_for_each_entry_safe(ibm, itmp,
+				 &tpacpi_all_drivers,
+				 all_drivers) {
+		if (ibm->shutdown)
+			(ibm->shutdown)();
+	}
+}
+
 static struct platform_driver tpacpi_pdriver = {
 	.driver = {
 		.name = TPACPI_DRVR_NAME,
@@ -735,6 +785,7 @@ static struct platform_driver tpacpi_pdriver = {
 	},
 	.suspend = tpacpi_suspend_handler,
 	.resume = tpacpi_resume_handler,
+	.shutdown = tpacpi_shutdown_handler,
 };
 
 static struct platform_driver tpacpi_hwmon_pdriver = {
@@ -922,11 +973,27 @@ static int __init tpacpi_new_rfkill(const unsigned int id,
 			struct rfkill **rfk,
 			const enum rfkill_type rfktype,
 			const char *name,
+			const bool set_default,
 			int (*toggle_radio)(void *, enum rfkill_state),
 			int (*get_state)(void *, enum rfkill_state *))
 {
 	int res;
-	enum rfkill_state initial_state;
+	enum rfkill_state initial_state = RFKILL_STATE_SOFT_BLOCKED;
+
+	res = get_state(NULL, &initial_state);
+	if (res < 0) {
+		printk(TPACPI_ERR
+			"failed to read initial state for %s, error %d; "
+			"will turn radio off\n", name, res);
+	} else if (set_default) {
+		/* try to set the initial state as the default for the rfkill
+		 * type, since we ask the firmware to preserve it across S5 in
+		 * NVRAM */
+		rfkill_set_default(rfktype,
+				(initial_state == RFKILL_STATE_UNBLOCKED) ?
+					RFKILL_STATE_UNBLOCKED :
+					RFKILL_STATE_SOFT_BLOCKED);
+	}
 
 	*rfk = rfkill_allocate(&tpacpi_pdev->dev, rfktype);
 	if (!*rfk) {
@@ -938,9 +1005,7 @@ static int __init tpacpi_new_rfkill(const unsigned int id,
 	(*rfk)->name = name;
 	(*rfk)->get_state = get_state;
 	(*rfk)->toggle_radio = toggle_radio;
-
-	if (!get_state(NULL, &initial_state))
-		(*rfk)->state = initial_state;
+	(*rfk)->state = initial_state;
 
 	res = rfkill_register(*rfk);
 	if (res < 0) {
@@ -1006,6 +1071,119 @@ static DRIVER_ATTR(version, S_IRUGO,
 
 /* --------------------------------------------------------------------- */
 
+#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
+
+static void tpacpi_send_radiosw_update(void);
+
+/* wlsw_emulstate ------------------------------------------------------ */
+static ssize_t tpacpi_driver_wlsw_emulstate_show(struct device_driver *drv,
+						char *buf)
+{
+	return snprintf(buf, PAGE_SIZE, "%d\n", !!tpacpi_wlsw_emulstate);
+}
+
+static ssize_t tpacpi_driver_wlsw_emulstate_store(struct device_driver *drv,
+						const char *buf, size_t count)
+{
+	unsigned long t;
+
+	if (parse_strtoul(buf, 1, &t))
+		return -EINVAL;
+
+	if (tpacpi_wlsw_emulstate != t) {
+		tpacpi_wlsw_emulstate = !!t;
+		tpacpi_send_radiosw_update();
+	} else
+		tpacpi_wlsw_emulstate = !!t;
+
+	return count;
+}
+
+static DRIVER_ATTR(wlsw_emulstate, S_IWUSR | S_IRUGO,
+		tpacpi_driver_wlsw_emulstate_show,
+		tpacpi_driver_wlsw_emulstate_store);
+
+/* bluetooth_emulstate ------------------------------------------------- */
+static ssize_t tpacpi_driver_bluetooth_emulstate_show(
+					struct device_driver *drv,
+					char *buf)
+{
+	return snprintf(buf, PAGE_SIZE, "%d\n", !!tpacpi_bluetooth_emulstate);
+}
+
+static ssize_t tpacpi_driver_bluetooth_emulstate_store(
+					struct device_driver *drv,
+					const char *buf, size_t count)
+{
+	unsigned long t;
+
+	if (parse_strtoul(buf, 1, &t))
+		return -EINVAL;
+
+	tpacpi_bluetooth_emulstate = !!t;
+
+	return count;
+}
+
+static DRIVER_ATTR(bluetooth_emulstate, S_IWUSR | S_IRUGO,
+		tpacpi_driver_bluetooth_emulstate_show,
+		tpacpi_driver_bluetooth_emulstate_store);
+
+/* wwan_emulstate ------------------------------------------------- */
+static ssize_t tpacpi_driver_wwan_emulstate_show(
+					struct device_driver *drv,
+					char *buf)
+{
+	return snprintf(buf, PAGE_SIZE, "%d\n", !!tpacpi_wwan_emulstate);
+}
+
+static ssize_t tpacpi_driver_wwan_emulstate_store(
+					struct device_driver *drv,
+					const char *buf, size_t count)
+{
+	unsigned long t;
+
+	if (parse_strtoul(buf, 1, &t))
+		return -EINVAL;
+
+	tpacpi_wwan_emulstate = !!t;
+
+	return count;
+}
+
+static DRIVER_ATTR(wwan_emulstate, S_IWUSR | S_IRUGO,
+		tpacpi_driver_wwan_emulstate_show,
+		tpacpi_driver_wwan_emulstate_store);
+
+/* uwb_emulstate ------------------------------------------------- */
+static ssize_t tpacpi_driver_uwb_emulstate_show(
+					struct device_driver *drv,
+					char *buf)
+{
+	return snprintf(buf, PAGE_SIZE, "%d\n", !!tpacpi_uwb_emulstate);
+}
+
+static ssize_t tpacpi_driver_uwb_emulstate_store(
+					struct device_driver *drv,
+					const char *buf, size_t count)
+{
+	unsigned long t;
+
+	if (parse_strtoul(buf, 1, &t))
+		return -EINVAL;
+
+	tpacpi_uwb_emulstate = !!t;
+
+	return count;
+}
+
+static DRIVER_ATTR(uwb_emulstate, S_IWUSR | S_IRUGO,
+		tpacpi_driver_uwb_emulstate_show,
+		tpacpi_driver_uwb_emulstate_store);
+#endif
+
+/* --------------------------------------------------------------------- */
+
 static struct driver_attribute *tpacpi_driver_attributes[] = {
 	&driver_attr_debug_level, &driver_attr_version,
 	&driver_attr_interface_version,
@@ -1022,6 +1200,17 @@ static int __init tpacpi_create_driver_attributes(struct device_driver *drv)
 		i++;
 	}
 
+#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
+	if (!res && dbg_wlswemul)
+		res = driver_create_file(drv, &driver_attr_wlsw_emulstate);
+	if (!res && dbg_bluetoothemul)
+		res = driver_create_file(drv, &driver_attr_bluetooth_emulstate);
+	if (!res && dbg_wwanemul)
+		res = driver_create_file(drv, &driver_attr_wwan_emulstate);
+	if (!res && dbg_uwbemul)
+		res = driver_create_file(drv, &driver_attr_uwb_emulstate);
+#endif
+
 	return res;
 }
 
@@ -1031,6 +1220,13 @@ static void tpacpi_remove_driver_attributes(struct device_driver *drv)
 
 	for (i = 0; i < ARRAY_SIZE(tpacpi_driver_attributes); i++)
 		driver_remove_file(drv, tpacpi_driver_attributes[i]);
+
+#ifdef THINKPAD_ACPI_DEBUGFACILITIES
+	driver_remove_file(drv, &driver_attr_wlsw_emulstate);
+	driver_remove_file(drv, &driver_attr_bluetooth_emulstate);
+	driver_remove_file(drv, &driver_attr_wwan_emulstate);
+	driver_remove_file(drv, &driver_attr_uwb_emulstate);
+#endif
 }
 
 /****************************************************************************
@@ -1216,6 +1412,12 @@ static struct attribute_set *hotkey_dev_attributes;
 
 static int hotkey_get_wlsw(int *status)
 {
+#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
+	if (dbg_wlswemul) {
+		*status = !!tpacpi_wlsw_emulstate;
+		return 0;
+	}
+#endif
 	if (!acpi_evalf(hkey_handle, status, "WLSW", "d"))
 		return -EIO;
 	return 0;
@@ -1678,7 +1880,7 @@ static ssize_t hotkey_mask_show(struct device *dev,
 {
 	int res;
 
-	if (mutex_lock_interruptible(&hotkey_mutex))
+	if (mutex_lock_killable(&hotkey_mutex))
 		return -ERESTARTSYS;
 	res = hotkey_mask_get();
 	mutex_unlock(&hotkey_mutex);
@@ -1697,7 +1899,7 @@ static ssize_t hotkey_mask_store(struct device *dev,
 	if (parse_strtoul(buf, 0xffffffffUL, &t))
 		return -EINVAL;
 
-	if (mutex_lock_interruptible(&hotkey_mutex))
+	if (mutex_lock_killable(&hotkey_mutex))
 		return -ERESTARTSYS;
 
 	res = hotkey_mask_set(t);
@@ -1783,7 +1985,7 @@ static ssize_t hotkey_source_mask_store(struct device *dev,
 		((t & ~TPACPI_HKEY_NVRAM_KNOWN_MASK) != 0))
 		return -EINVAL;
 
-	if (mutex_lock_interruptible(&hotkey_mutex))
+	if (mutex_lock_killable(&hotkey_mutex))
 		return -ERESTARTSYS;
 
 	HOTKEY_CONFIG_CRITICAL_START
@@ -1818,7 +2020,7 @@ static ssize_t hotkey_poll_freq_store(struct device *dev,
 	if (parse_strtoul(buf, 25, &t))
 		return -EINVAL;
 
-	if (mutex_lock_interruptible(&hotkey_mutex))
+	if (mutex_lock_killable(&hotkey_mutex))
 		return -ERESTARTSYS;
 
 	hotkey_poll_freq = t;
@@ -1958,6 +2160,7 @@ static struct attribute *hotkey_mask_attributes[] __initdata = {
 
 static void bluetooth_update_rfk(void);
 static void wan_update_rfk(void);
+static void uwb_update_rfk(void);
 static void tpacpi_send_radiosw_update(void)
 {
 	int wlsw;
@@ -1967,6 +2170,8 @@ static void tpacpi_send_radiosw_update(void)
 		bluetooth_update_rfk();
 	if (tp_features.wan)
 		wan_update_rfk();
+	if (tp_features.uwb)
+		uwb_update_rfk();
 
 	if (tp_features.hotkey_wlsw && !hotkey_get_wlsw(&wlsw)) {
 		mutex_lock(&tpacpi_inputdev_send_mutex);
@@ -2222,6 +2427,13 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
 		    hotkey_source_mask, hotkey_poll_freq);
 #endif
 
+#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
+	if (dbg_wlswemul) {
+		tp_features.hotkey_wlsw = 1;
+		printk(TPACPI_INFO
+			"radio switch emulation enabled\n");
+	} else
+#endif
 	/* Not all thinkpads have a hardware radio switch */
 	if (acpi_evalf(hkey_handle, &status, "WLSW", "qd")) {
 		tp_features.hotkey_wlsw = 1;
@@ -2361,13 +2573,154 @@ err_exit:
 	return (res < 0)? res : 1;
 }
 
+static bool hotkey_notify_hotkey(const u32 hkey,
+				 bool *send_acpi_ev,
+				 bool *ignore_acpi_ev)
+{
+	/* 0x1000-0x1FFF: key presses */
+	unsigned int scancode = hkey & 0xfff;
+	*send_acpi_ev = true;
+	*ignore_acpi_ev = false;
+
+	if (scancode > 0 && scancode < 0x21) {
+		scancode--;
+		if (!(hotkey_source_mask & (1 << scancode))) {
+			tpacpi_input_send_key(scancode);
+			*send_acpi_ev = false;
+		} else {
+			*ignore_acpi_ev = true;
+		}
+		return true;
+	}
+	return false;
+}
+
+static bool hotkey_notify_wakeup(const u32 hkey,
+				 bool *send_acpi_ev,
+				 bool *ignore_acpi_ev)
+{
+	/* 0x2000-0x2FFF: Wakeup reason */
+	*send_acpi_ev = true;
+	*ignore_acpi_ev = false;
+
+	switch (hkey) {
+	case 0x2304: /* suspend, undock */
+	case 0x2404: /* hibernation, undock */
+		hotkey_wakeup_reason = TP_ACPI_WAKEUP_UNDOCK;
+		*ignore_acpi_ev = true;
+		break;
+
+	case 0x2305: /* suspend, bay eject */
+	case 0x2405: /* hibernation, bay eject */
+		hotkey_wakeup_reason = TP_ACPI_WAKEUP_BAYEJ;
+		*ignore_acpi_ev = true;
+		break;
+
+	case 0x2313: /* Battery on critical low level (S3) */
+	case 0x2413: /* Battery on critical low level (S4) */
+		printk(TPACPI_ALERT
+			"EMERGENCY WAKEUP: battery almost empty\n");
+		/* how to auto-heal: */
+		/* 2313: woke up from S3, go to S4/S5 */
+		/* 2413: woke up from S4, go to S5 */
+		break;
+
+	default:
+		return false;
+	}
+
+	if (hotkey_wakeup_reason != TP_ACPI_WAKEUP_NONE) {
+		printk(TPACPI_INFO
+		       "woke up due to a hot-unplug "
+		       "request...\n");
+		hotkey_wakeup_reason_notify_change();
+	}
+	return true;
+}
+
+static bool hotkey_notify_usrevent(const u32 hkey,
+				 bool *send_acpi_ev,
+				 bool *ignore_acpi_ev)
+{
+	/* 0x5000-0x5FFF: human interface helpers */
+	*send_acpi_ev = true;
+	*ignore_acpi_ev = false;
+
+	switch (hkey) {
+	case 0x5010: /* Lenovo new BIOS: brightness changed */
+	case 0x500b: /* X61t: tablet pen inserted into bay */
+	case 0x500c: /* X61t: tablet pen removed from bay */
+		return true;
+
+	case 0x5009: /* X41t-X61t: swivel up (tablet mode) */
+	case 0x500a: /* X41t-X61t: swivel down (normal mode) */
+		tpacpi_input_send_tabletsw();
+		hotkey_tablet_mode_notify_change();
+		*send_acpi_ev = false;
+		return true;
+
+	case 0x5001:
+	case 0x5002:
+		/* LID switch events.  Do not propagate */
+		*ignore_acpi_ev = true;
+		return true;
+
+	default:
+		return false;
+	}
+}
+
+static bool hotkey_notify_thermal(const u32 hkey,
+				 bool *send_acpi_ev,
+				 bool *ignore_acpi_ev)
+{
+	/* 0x6000-0x6FFF: thermal alarms */
+	*send_acpi_ev = true;
+	*ignore_acpi_ev = false;
+
+	switch (hkey) {
+	case 0x6011:
+		printk(TPACPI_CRIT
+			"THERMAL ALARM: battery is too hot!\n");
+		/* recommended action: warn user through gui */
+		return true;
+	case 0x6012:
+		printk(TPACPI_ALERT
+			"THERMAL EMERGENCY: battery is extremely hot!\n");
+		/* recommended action: immediate sleep/hibernate */
+		return true;
+	case 0x6021:
+		printk(TPACPI_CRIT
+			"THERMAL ALARM: "
+			"a sensor reports something is too hot!\n");
+		/* recommended action: warn user through gui, that */
+		/* some internal component is too hot */
+		return true;
+	case 0x6022:
+		printk(TPACPI_ALERT
+			"THERMAL EMERGENCY: "
+			"a sensor reports something is extremely hot!\n");
+		/* recommended action: immediate sleep/hibernate */
+		return true;
+	case 0x6030:
+		printk(TPACPI_INFO
+			"EC reports that Thermal Table has changed\n");
+		/* recommended action: do nothing, we don't have
+		 * Lenovo ATM information */
+		return true;
+	default:
+		printk(TPACPI_ALERT
+			 "THERMAL ALERT: unknown thermal alarm received\n");
+		return false;
+	}
+}
+
 static void hotkey_notify(struct ibm_struct *ibm, u32 event)
 {
 	u32 hkey;
-	unsigned int scancode;
-	int send_acpi_ev;
-	int ignore_acpi_ev;
-	int unk_ev;
+	bool send_acpi_ev;
+	bool ignore_acpi_ev;
+	bool known_ev;
 
 	if (event != 0x80) {
 		printk(TPACPI_ERR
@@ -2375,7 +2728,7 @@ static void hotkey_notify(struct ibm_struct *ibm, u32 event)
 		/* forward it to userspace, maybe it knows how to handle it */
 		acpi_bus_generate_netlink_event(
 					ibm->acpi->device->pnp.device_class,
-					ibm->acpi->device->dev.bus_id,
+					dev_name(&ibm->acpi->device->dev),
 					event, 0);
 		return;
 	}
@@ -2391,107 +2744,72 @@ static void hotkey_notify(struct ibm_struct *ibm, u32 event)
 			return;
 		}
 
-		send_acpi_ev = 1;
-		ignore_acpi_ev = 0;
-		unk_ev = 0;
+		send_acpi_ev = true;
+		ignore_acpi_ev = false;
 
 		switch (hkey >> 12) {
 		case 1:
 			/* 0x1000-0x1FFF: key presses */
-			scancode = hkey & 0xfff;
-			if (scancode > 0 && scancode < 0x21) {
-				scancode--;
-				if (!(hotkey_source_mask & (1 << scancode))) {
-					tpacpi_input_send_key(scancode);
-					send_acpi_ev = 0;
-				} else {
-					ignore_acpi_ev = 1;
-				}
-			} else {
-				unk_ev = 1;
-			}
+			known_ev = hotkey_notify_hotkey(hkey, &send_acpi_ev,
+						 &ignore_acpi_ev);
 			break;
 		case 2:
-			/* Wakeup reason */
-			switch (hkey) {
-			case 0x2304: /* suspend, undock */
-			case 0x2404: /* hibernation, undock */
-				hotkey_wakeup_reason = TP_ACPI_WAKEUP_UNDOCK;
-				ignore_acpi_ev = 1;
-				break;
-			case 0x2305: /* suspend, bay eject */
-			case 0x2405: /* hibernation, bay eject */
-				hotkey_wakeup_reason = TP_ACPI_WAKEUP_BAYEJ;
-				ignore_acpi_ev = 1;
-				break;
-			default:
-				unk_ev = 1;
-			}
-			if (hotkey_wakeup_reason != TP_ACPI_WAKEUP_NONE) {
-				printk(TPACPI_INFO
-				       "woke up due to a hot-unplug "
-				       "request...\n");
-				hotkey_wakeup_reason_notify_change();
-			}
+			/* 0x2000-0x2FFF: Wakeup reason */
+			known_ev = hotkey_notify_wakeup(hkey, &send_acpi_ev,
+						 &ignore_acpi_ev);
 			break;
 		case 3:
-			/* bay-related wakeups */
+			/* 0x3000-0x3FFF: bay-related wakeups */
 			if (hkey == 0x3003) {
 				hotkey_autosleep_ack = 1;
 				printk(TPACPI_INFO
 				       "bay ejected\n");
 				hotkey_wakeup_hotunplug_complete_notify_change();
+				known_ev = true;
 			} else {
-				unk_ev = 1;
+				known_ev = false;
 			}
 			break;
 		case 4:
-			/* dock-related wakeups */
+			/* 0x4000-0x4FFF: dock-related wakeups */
 			if (hkey == 0x4003) {
 				hotkey_autosleep_ack = 1;
 				printk(TPACPI_INFO
 				       "undocked\n");
 				hotkey_wakeup_hotunplug_complete_notify_change();
+				known_ev = true;
 			} else {
-				unk_ev = 1;
+				known_ev = false;
 			}
 			break;
 		case 5:
 			/* 0x5000-0x5FFF: human interface helpers */
-			switch (hkey) {
-			case 0x5010: /* Lenovo new BIOS: brightness changed */
-			case 0x500b: /* X61t: tablet pen inserted into bay */
-			case 0x500c: /* X61t: tablet pen removed from bay */
-				break;
-			case 0x5009: /* X41t-X61t: swivel up (tablet mode) */
-			case 0x500a: /* X41t-X61t: swivel down (normal mode) */
-				tpacpi_input_send_tabletsw();
-				hotkey_tablet_mode_notify_change();
-				send_acpi_ev = 0;
-				break;
-			case 0x5001:
-			case 0x5002:
-				/* LID switch events.  Do not propagate */
-				ignore_acpi_ev = 1;
-				break;
-			default:
-				unk_ev = 1;
-			}
+			known_ev = hotkey_notify_usrevent(hkey, &send_acpi_ev,
+						 &ignore_acpi_ev);
+			break;
+		case 6:
+			/* 0x6000-0x6FFF: thermal alarms */
+			known_ev = hotkey_notify_thermal(hkey, &send_acpi_ev,
+						 &ignore_acpi_ev);
 			break;
 		case 7:
 			/* 0x7000-0x7FFF: misc */
 			if (tp_features.hotkey_wlsw && hkey == 0x7000) {
 				tpacpi_send_radiosw_update();
 				send_acpi_ev = 0;
+				known_ev = true;
 				break;
 			}
 			/* fallthrough to default */
 		default:
-			unk_ev = 1;
+			known_ev = false;
 		}
-		if (unk_ev) {
+		if (!known_ev) {
 			printk(TPACPI_NOTICE
 			       "unhandled HKEY event 0x%04x\n", hkey);
+			printk(TPACPI_NOTICE
+			       "please report the conditions when this "
+			       "event happened to %s\n", TPACPI_MAIL);
 		}
 
 		/* Legacy events */
@@ -2505,7 +2823,7 @@ static void hotkey_notify(struct ibm_struct *ibm, u32 event)
 		if (!ignore_acpi_ev && send_acpi_ev) {
 			acpi_bus_generate_netlink_event(
 					ibm->acpi->device->pnp.device_class,
-					ibm->acpi->device->dev.bus_id,
+					dev_name(&ibm->acpi->device->dev),
 					event, hkey);
 		}
 	}
@@ -2544,7 +2862,7 @@ static int hotkey_read(char *p)
 		return len;
 	}
 
-	if (mutex_lock_interruptible(&hotkey_mutex))
+	if (mutex_lock_killable(&hotkey_mutex))
 		return -ERESTARTSYS;
 	res = hotkey_status_get(&status);
 	if (!res)
@@ -2575,7 +2893,7 @@ static int hotkey_write(char *buf)
 	if (!tp_features.hotkey)
 		return -ENODEV;
 
-	if (mutex_lock_interruptible(&hotkey_mutex))
+	if (mutex_lock_killable(&hotkey_mutex))
 		return -ERESTARTSYS;
 
 	status = -1;
@@ -2640,11 +2958,28 @@ enum {
 	/* ACPI GBDC/SBDC bits */
 	TP_ACPI_BLUETOOTH_HWPRESENT	= 0x01,	/* Bluetooth hw available */
 	TP_ACPI_BLUETOOTH_RADIOSSW	= 0x02,	/* Bluetooth radio enabled */
-	TP_ACPI_BLUETOOTH_UNK		= 0x04,	/* unknown function */
+	TP_ACPI_BLUETOOTH_RESUMECTRL	= 0x04,	/* Bluetooth state at resume:
+						   off / last state */
+};
+
+enum {
+	/* ACPI \BLTH commands */
+	TP_ACPI_BLTH_GET_ULTRAPORT_ID	= 0x00, /* Get Ultraport BT ID */
+	TP_ACPI_BLTH_GET_PWR_ON_RESUME	= 0x01, /* Get power-on-resume state */
+	TP_ACPI_BLTH_PWR_ON_ON_RESUME	= 0x02, /* Resume powered on */
+	TP_ACPI_BLTH_PWR_OFF_ON_RESUME	= 0x03,	/* Resume powered off */
+	TP_ACPI_BLTH_SAVE_STATE		= 0x05, /* Save state for S4/S5 */
 };
 
 static struct rfkill *tpacpi_bluetooth_rfkill;
 
+static void bluetooth_suspend(pm_message_t state)
+{
+	/* Try to make sure radio will resume powered off */
+	acpi_evalf(NULL, NULL, "\\BLTH", "vd",
+		   TP_ACPI_BLTH_PWR_OFF_ON_RESUME);
+}
+
 static int bluetooth_get_radiosw(void)
 {
 	int status;
@@ -2656,6 +2991,12 @@ static int bluetooth_get_radiosw(void)
 	if (tp_features.hotkey_wlsw && !hotkey_get_wlsw(&status) && !status)
 		return RFKILL_STATE_HARD_BLOCKED;
 
+#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
+	if (dbg_bluetoothemul)
+		return (tpacpi_bluetooth_emulstate) ?
+			RFKILL_STATE_UNBLOCKED : RFKILL_STATE_SOFT_BLOCKED;
+#endif
+
 	if (!acpi_evalf(hkey_handle, &status, "GBDC", "d"))
 		return -EIO;
 
@@ -2689,12 +3030,20 @@ static int bluetooth_set_radiosw(int radio_on, int update_rfk)
 	    && radio_on)
 		return -EPERM;
 
-	if (!acpi_evalf(hkey_handle, &status, "GBDC", "d"))
-		return -EIO;
+#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
+	if (dbg_bluetoothemul) {
+		tpacpi_bluetooth_emulstate = !!radio_on;
+		if (update_rfk)
+			bluetooth_update_rfk();
+		return 0;
+	}
+#endif
+
+	/* We make sure to keep TP_ACPI_BLUETOOTH_RESUMECTRL off */
 	if (radio_on)
-		status |= TP_ACPI_BLUETOOTH_RADIOSSW;
+		status = TP_ACPI_BLUETOOTH_RADIOSSW;
 	else
-		status &= ~TP_ACPI_BLUETOOTH_RADIOSSW;
+		status = 0;
 	if (!acpi_evalf(hkey_handle, NULL, "SBDC", "vd", status))
 		return -EIO;
 
@@ -2765,8 +3114,19 @@ static int tpacpi_bluetooth_rfk_set(void *data, enum rfkill_state state)
 	return bluetooth_set_radiosw((state == RFKILL_STATE_UNBLOCKED), 0);
 }
 
+static void bluetooth_shutdown(void)
+{
+	/* Order firmware to save current state to NVRAM */
+	if (!acpi_evalf(NULL, NULL, "\\BLTH", "vd",
+			TP_ACPI_BLTH_SAVE_STATE))
+		printk(TPACPI_NOTICE
+			"failed to save bluetooth state to NVRAM\n");
+}
+
 static void bluetooth_exit(void)
 {
+	bluetooth_shutdown();
+
 	if (tpacpi_bluetooth_rfkill)
 		rfkill_unregister(tpacpi_bluetooth_rfkill);
 
@@ -2792,6 +3152,13 @@ static int __init bluetooth_init(struct ibm_init_struct *iibm)
 		str_supported(tp_features.bluetooth),
 		status);
 
+#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
+	if (dbg_bluetoothemul) {
+		tp_features.bluetooth = 1;
+		printk(TPACPI_INFO
+			"bluetooth switch emulation enabled\n");
+	} else
+#endif
 	if (tp_features.bluetooth &&
 	    !(status & TP_ACPI_BLUETOOTH_HWPRESENT)) {
 		/* no bluetooth hardware present in system */
@@ -2812,6 +3179,7 @@ static int __init bluetooth_init(struct ibm_init_struct *iibm)
 				&tpacpi_bluetooth_rfkill,
 				RFKILL_TYPE_BLUETOOTH,
 				"tpacpi_bluetooth_sw",
+				true,
 				tpacpi_bluetooth_rfk_set,
 				tpacpi_bluetooth_rfk_get);
 	if (res) {
@@ -2864,6 +3232,8 @@ static struct ibm_struct bluetooth_driver_data = {
 	.read = bluetooth_read,
 	.write = bluetooth_write,
 	.exit = bluetooth_exit,
+	.suspend = bluetooth_suspend,
+	.shutdown = bluetooth_shutdown,
 };
 
 /*************************************************************************
@@ -2874,11 +3244,19 @@ enum {
 	/* ACPI GWAN/SWAN bits */
 	TP_ACPI_WANCARD_HWPRESENT	= 0x01,	/* Wan hw available */
 	TP_ACPI_WANCARD_RADIOSSW	= 0x02,	/* Wan radio enabled */
-	TP_ACPI_WANCARD_UNK		= 0x04,	/* unknown function */
+	TP_ACPI_WANCARD_RESUMECTRL	= 0x04,	/* Wan state at resume:
+						   off / last state */
 };
 
 static struct rfkill *tpacpi_wan_rfkill;
 
+static void wan_suspend(pm_message_t state)
+{
+	/* Try to make sure radio will resume powered off */
+	acpi_evalf(NULL, NULL, "\\WGSV", "qvd",
+		   TP_ACPI_WGSV_PWR_OFF_ON_RESUME);
+}
+
 static int wan_get_radiosw(void)
 {
 	int status;
@@ -2890,6 +3268,12 @@ static int wan_get_radiosw(void)
 	if (tp_features.hotkey_wlsw && !hotkey_get_wlsw(&status) && !status)
 		return RFKILL_STATE_HARD_BLOCKED;
 
+#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
+	if (dbg_wwanemul)
+		return (tpacpi_wwan_emulstate) ?
+			RFKILL_STATE_UNBLOCKED : RFKILL_STATE_SOFT_BLOCKED;
+#endif
+
 	if (!acpi_evalf(hkey_handle, &status, "GWAN", "d"))
 		return -EIO;
 
@@ -2923,12 +3307,20 @@ static int wan_set_radiosw(int radio_on, int update_rfk)
 	    && radio_on)
 		return -EPERM;
 
-	if (!acpi_evalf(hkey_handle, &status, "GWAN", "d"))
-		return -EIO;
+#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
+	if (dbg_wwanemul) {
+		tpacpi_wwan_emulstate = !!radio_on;
+		if (update_rfk)
+			wan_update_rfk();
+		return 0;
+	}
+#endif
+
+	/* We make sure to keep TP_ACPI_WANCARD_RESUMECTRL off */
 	if (radio_on)
-		status |= TP_ACPI_WANCARD_RADIOSSW;
+		status = TP_ACPI_WANCARD_RADIOSSW;
 	else
-		status &= ~TP_ACPI_WANCARD_RADIOSSW;
+		status = 0;
 	if (!acpi_evalf(hkey_handle, NULL, "SWAN", "vd", status))
 		return -EIO;
 
@@ -2999,8 +3391,19 @@ static int tpacpi_wan_rfk_set(void *data, enum rfkill_state state)
 	return wan_set_radiosw((state == RFKILL_STATE_UNBLOCKED), 0);
 }
 
+static void wan_shutdown(void)
+{
+	/* Order firmware to save current state to NVRAM */
+	if (!acpi_evalf(NULL, NULL, "\\WGSV", "vd",
+			TP_ACPI_WGSV_SAVE_STATE))
+		printk(TPACPI_NOTICE
+			"failed to save WWAN state to NVRAM\n");
+}
+
 static void wan_exit(void)
 {
+	wan_shutdown();
+
 	if (tpacpi_wan_rfkill)
 		rfkill_unregister(tpacpi_wan_rfkill);
 
@@ -3024,6 +3427,13 @@ static int __init wan_init(struct ibm_init_struct *iibm)
 		str_supported(tp_features.wan),
 		status);
 
+#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
+	if (dbg_wwanemul) {
+		tp_features.wan = 1;
+		printk(TPACPI_INFO
+			"wwan switch emulation enabled\n");
+	} else
+#endif
 	if (tp_features.wan &&
 	    !(status & TP_ACPI_WANCARD_HWPRESENT)) {
 		/* no wan hardware present in system */
@@ -3044,6 +3454,7 @@ static int __init wan_init(struct ibm_init_struct *iibm)
 				&tpacpi_wan_rfkill,
 				RFKILL_TYPE_WWAN,
 				"tpacpi_wwan_sw",
+				true,
 				tpacpi_wan_rfk_set,
 				tpacpi_wan_rfk_get);
 	if (res) {
@@ -3096,6 +3507,164 @@ static struct ibm_struct wan_driver_data = {
 	.read = wan_read,
 	.write = wan_write,
 	.exit = wan_exit,
+	.suspend = wan_suspend,
+	.shutdown = wan_shutdown,
+};
+
+/*************************************************************************
+ * UWB subdriver
+ */
+
+enum {
+	/* ACPI GUWB/SUWB bits */
+	TP_ACPI_UWB_HWPRESENT	= 0x01,	/* UWB hw available */
+	TP_ACPI_UWB_RADIOSSW	= 0x02,	/* UWB radio enabled */
+};
+
+static struct rfkill *tpacpi_uwb_rfkill;
+
+static int uwb_get_radiosw(void)
+{
+	int status;
+
+	if (!tp_features.uwb)
+		return -ENODEV;
+
+	/* WLSW overrides UWB in firmware/hardware, reflect that */
+	if (tp_features.hotkey_wlsw && !hotkey_get_wlsw(&status) && !status)
+		return RFKILL_STATE_HARD_BLOCKED;
+
+#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
+	if (dbg_uwbemul)
+		return (tpacpi_uwb_emulstate) ?
+			RFKILL_STATE_UNBLOCKED : RFKILL_STATE_SOFT_BLOCKED;
+#endif
+
+	if (!acpi_evalf(hkey_handle, &status, "GUWB", "d"))
+		return -EIO;
+
+	return ((status & TP_ACPI_UWB_RADIOSSW) != 0) ?
+		RFKILL_STATE_UNBLOCKED : RFKILL_STATE_SOFT_BLOCKED;
+}
+
+static void uwb_update_rfk(void)
+{
+	int status;
+
+	if (!tpacpi_uwb_rfkill)
+		return;
+
+	status = uwb_get_radiosw();
+	if (status < 0)
+		return;
+	rfkill_force_state(tpacpi_uwb_rfkill, status);
+}
+
+static int uwb_set_radiosw(int radio_on, int update_rfk)
+{
+	int status;
+
+	if (!tp_features.uwb)
+		return -ENODEV;
+
+	/* WLSW overrides UWB in firmware/hardware, but there is no
+	 * reason to risk weird behaviour. */
+	if (tp_features.hotkey_wlsw && !hotkey_get_wlsw(&status) && !status
+	    && radio_on)
+		return -EPERM;
+
+#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
+	if (dbg_uwbemul) {
+		tpacpi_uwb_emulstate = !!radio_on;
+		if (update_rfk)
+			uwb_update_rfk();
+		return 0;
+	}
+#endif
+
+	status = (radio_on) ? TP_ACPI_UWB_RADIOSSW : 0;
+	if (!acpi_evalf(hkey_handle, NULL, "SUWB", "vd", status))
+		return -EIO;
+
+	if (update_rfk)
+		uwb_update_rfk();
+
+	return 0;
+}
+
+/* --------------------------------------------------------------------- */
+
+static int tpacpi_uwb_rfk_get(void *data, enum rfkill_state *state)
+{
+	int uwbs = uwb_get_radiosw();
+
+	if (uwbs < 0)
+		return uwbs;
+
+	*state = uwbs;
+	return 0;
+}
+
+static int tpacpi_uwb_rfk_set(void *data, enum rfkill_state state)
+{
+	return uwb_set_radiosw((state == RFKILL_STATE_UNBLOCKED), 0);
+}
+
+static void uwb_exit(void)
+{
+	if (tpacpi_uwb_rfkill)
+		rfkill_unregister(tpacpi_uwb_rfkill);
+}
+
+static int __init uwb_init(struct ibm_init_struct *iibm)
+{
+	int res;
+	int status = 0;
+
+	vdbg_printk(TPACPI_DBG_INIT, "initializing uwb subdriver\n");
+
+	TPACPI_ACPIHANDLE_INIT(hkey);
+
+	tp_features.uwb = hkey_handle &&
+	    acpi_evalf(hkey_handle, &status, "GUWB", "qd");
+
+	vdbg_printk(TPACPI_DBG_INIT, "uwb is %s, status 0x%02x\n",
+		str_supported(tp_features.uwb),
+		status);
+
+#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
+	if (dbg_uwbemul) {
+		tp_features.uwb = 1;
+		printk(TPACPI_INFO
+			"uwb switch emulation enabled\n");
+	} else
+#endif
+	if (tp_features.uwb &&
+	    !(status & TP_ACPI_UWB_HWPRESENT)) {
+		/* no uwb hardware present in system */
+		tp_features.uwb = 0;
+		dbg_printk(TPACPI_DBG_INIT,
+			   "uwb hardware not installed\n");
+	}
+
+	if (!tp_features.uwb)
+		return 1;
+
+	res = tpacpi_new_rfkill(TPACPI_RFK_UWB_SW_ID,
+				&tpacpi_uwb_rfkill,
+				RFKILL_TYPE_UWB,
+				"tpacpi_uwb_sw",
+				false,
+				tpacpi_uwb_rfk_set,
+				tpacpi_uwb_rfk_get);
+
+	return res;
+}
+
+static struct ibm_struct uwb_driver_data = {
+	.name = "uwb",
+	.exit = uwb_exit,
+	.flags.experimental = 1,
 };
 
 /*************************************************************************
@@ -3724,7 +4293,7 @@ static void dock_notify(struct ibm_struct *ibm, u32 event)
 	}
 	acpi_bus_generate_proc_event(ibm->acpi->device, event, data);
 	acpi_bus_generate_netlink_event(ibm->acpi->device->pnp.device_class,
-					  ibm->acpi->device->dev.bus_id,
+					  dev_name(&ibm->acpi->device->dev),
 					  event, data);
 }
 
@@ -3826,7 +4395,7 @@ static void bay_notify(struct ibm_struct *ibm, u32 event)
 {
 	acpi_bus_generate_proc_event(ibm->acpi->device, event, 0);
 	acpi_bus_generate_netlink_event(ibm->acpi->device->pnp.device_class,
-					  ibm->acpi->device->dev.bus_id,
+					  dev_name(&ibm->acpi->device->dev),
 					  event, 0);
 }
 
@@ -4850,7 +5419,7 @@ static int brightness_set(int value)
 	    value < 0)
 		return -EINVAL;
 
-	res = mutex_lock_interruptible(&brightness_mutex);
+	res = mutex_lock_killable(&brightness_mutex);
 	if (res < 0)
 		return res;
 
@@ -5334,6 +5903,60 @@ TPACPI_HANDLE(sfan, ec, "SFAN",	/* 570 */
 	   );			/* all others */
 
 /*
+ * Unitialized HFSP quirk: ACPI DSDT and EC fail to initialize the
+ * HFSP register at boot, so it contains 0x07 but the Thinkpad could
+ * be in auto mode (0x80).
+ *
+ * This is corrected by any write to HFSP either by the driver, or
+ * by the firmware.
+ *
+ * We assume 0x07 really means auto mode while this quirk is active,
+ * as this is far more likely than the ThinkPad being in level 7,
+ * which is only used by the firmware during thermal emergencies.
+ */
+
+static void fan_quirk1_detect(void)
+{
+	/* In some ThinkPads, neither the EC nor the ACPI
+	 * DSDT initialize the HFSP register, and it ends up
+	 * being initially set to 0x07 when it *could* be
+	 * either 0x07 or 0x80.
+	 *
+	 * Enable for TP-1Y (T43), TP-78 (R51e),
+	 * TP-76 (R52), TP-70 (T43, R52), which are known
+	 * to be buggy. */
+	if (fan_control_initial_status == 0x07) {
+		switch (thinkpad_id.ec_model) {
+		case 0x5931: /* TP-1Y */
+		case 0x3837: /* TP-78 */
+		case 0x3637: /* TP-76 */
+		case 0x3037: /* TP-70 */
+			printk(TPACPI_NOTICE
+			       "fan_init: initial fan status is unknown, "
+			       "assuming it is in auto mode\n");
+			tp_features.fan_ctrl_status_undef = 1;
+			;;
+		}
+	}
+}
+
+static void fan_quirk1_handle(u8 *fan_status)
+{
+	if (unlikely(tp_features.fan_ctrl_status_undef)) {
+		if (*fan_status != fan_control_initial_status) {
+			/* something changed the HFSP regisnter since
+			 * driver init time, so it is not undefined
+			 * anymore */
+			tp_features.fan_ctrl_status_undef = 0;
+		} else {
+			/* Return most likely status. In fact, it
+			 * might be the only possible status */
+			*fan_status = TP_EC_FAN_AUTO;
+		}
+	}
+}
+
+/*
  * Call with fan_mutex held
  */
 static void fan_update_desired_level(u8 status)
@@ -5371,8 +5994,10 @@ static int fan_get_status(u8 *status)
 		if (unlikely(!acpi_ec_read(fan_status_offset, &s)))
 			return -EIO;
 
-		if (likely(status))
+		if (likely(status)) {
 			*status = s;
+			fan_quirk1_handle(status);
+		}
 
 		break;
 
@@ -5388,7 +6013,7 @@ static int fan_get_status_safe(u8 *status)
 	int rc;
 	u8 s;
 
-	if (mutex_lock_interruptible(&fan_mutex))
+	if (mutex_lock_killable(&fan_mutex))
 		return -ERESTARTSYS;
 	rc = fan_get_status(&s);
 	if (!rc)
@@ -5471,7 +6096,7 @@ static int fan_set_level_safe(int level)
 	if (!fan_control_allowed)
 		return -EPERM;
 
-	if (mutex_lock_interruptible(&fan_mutex))
+	if (mutex_lock_killable(&fan_mutex))
 		return -ERESTARTSYS;
 
 	if (level == TPACPI_FAN_LAST_LEVEL)
@@ -5493,7 +6118,7 @@ static int fan_set_enable(void)
 	if (!fan_control_allowed)
 		return -EPERM;
 
-	if (mutex_lock_interruptible(&fan_mutex))
+	if (mutex_lock_killable(&fan_mutex))
 		return -ERESTARTSYS;
 
 	switch (fan_control_access_mode) {
@@ -5548,7 +6173,7 @@ static int fan_set_disable(void)
 	if (!fan_control_allowed)
 		return -EPERM;
 
-	if (mutex_lock_interruptible(&fan_mutex))
+	if (mutex_lock_killable(&fan_mutex))
 		return -ERESTARTSYS;
 
 	rc = 0;
@@ -5586,7 +6211,7 @@ static int fan_set_speed(int speed)
 	if (!fan_control_allowed)
 		return -EPERM;
 
-	if (mutex_lock_interruptible(&fan_mutex))
+	if (mutex_lock_killable(&fan_mutex))
 		return -ERESTARTSYS;
 
 	rc = 0;
@@ -5682,16 +6307,6 @@ static ssize_t fan_pwm1_enable_show(struct device *dev,
 	if (res)
 		return res;
 
-	if (unlikely(tp_features.fan_ctrl_status_undef)) {
-		if (status != fan_control_initial_status) {
-			tp_features.fan_ctrl_status_undef = 0;
-		} else {
-			/* Return most likely status. In fact, it
-			 * might be the only possible status */
-			status = TP_EC_FAN_AUTO;
-		}
-	}
-
 	if (status & TP_EC_FAN_FULLSPEED) {
 		mode = 0;
 	} else if (status & TP_EC_FAN_AUTO) {
@@ -5756,14 +6371,6 @@ static ssize_t fan_pwm1_show(struct device *dev,
 	if (res)
 		return res;
 
-	if (unlikely(tp_features.fan_ctrl_status_undef)) {
-		if (status != fan_control_initial_status) {
-			tp_features.fan_ctrl_status_undef = 0;
-		} else {
-			status = TP_EC_FAN_AUTO;
-		}
-	}
-
 	if ((status &
 	     (TP_EC_FAN_AUTO | TP_EC_FAN_FULLSPEED)) != 0)
 		status = fan_control_desired_level;
@@ -5788,7 +6395,7 @@ static ssize_t fan_pwm1_store(struct device *dev,
 	/* scale down from 0-255 to 0-7 */
 	newlevel = (s >> 5) & 0x07;
 
-	if (mutex_lock_interruptible(&fan_mutex))
+	if (mutex_lock_killable(&fan_mutex))
 		return -ERESTARTSYS;
 
 	rc = fan_get_status(&status);
@@ -5895,29 +6502,7 @@ static int __init fan_init(struct ibm_init_struct *iibm)
 		if (likely(acpi_ec_read(fan_status_offset,
 					&fan_control_initial_status))) {
 			fan_status_access_mode = TPACPI_FAN_RD_TPEC;
-
-			/* In some ThinkPads, neither the EC nor the ACPI
-			 * DSDT initialize the fan status, and it ends up
-			 * being set to 0x07 when it *could* be either
-			 * 0x07 or 0x80.
-			 *
-			 * Enable for TP-1Y (T43), TP-78 (R51e),
-			 * TP-76 (R52), TP-70 (T43, R52), which are known
-			 * to be buggy. */
-			if (fan_control_initial_status == 0x07) {
-				switch (thinkpad_id.ec_model) {
-				case 0x5931: /* TP-1Y */
-				case 0x3837: /* TP-78 */
-				case 0x3637: /* TP-76 */
-				case 0x3037: /* TP-70 */
-					printk(TPACPI_NOTICE
-					       "fan_init: initial fan status "
-					       "is unknown, assuming it is "
-					       "in auto mode\n");
-					tp_features.fan_ctrl_status_undef = 1;
-					;;
-				}
-			}
+			fan_quirk1_detect();
 		} else {
 			printk(TPACPI_ERR
 			       "ThinkPad ACPI EC access misbehaving, "
@@ -6106,15 +6691,6 @@ static int fan_read(char *p)
 		if (rc < 0)
 			return rc;
 
-		if (unlikely(tp_features.fan_ctrl_status_undef)) {
-			if (status != fan_control_initial_status)
-				tp_features.fan_ctrl_status_undef = 0;
-			else
-				/* Return most likely status. In fact, it
-				 * might be the only possible status */
-				status = TP_EC_FAN_AUTO;
-		}
-
 		len += sprintf(p + len, "status:\t\t%s\n",
 			       (status != 0) ? "enabled" : "disabled");
 
@@ -6563,6 +7139,10 @@ static struct ibm_init_struct ibms_init[] __initdata = {
 		.init = wan_init,
 		.data = &wan_driver_data,
 	},
+	{
+		.init = uwb_init,
+		.data = &uwb_driver_data,
+	},
 #ifdef CONFIG_THINKPAD_ACPI_VIDEO
 	{
 		.init = video_init,
@@ -6701,6 +7281,32 @@ TPACPI_PARAM(brightness);
 TPACPI_PARAM(volume);
 TPACPI_PARAM(fan);
 
+#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
+module_param(dbg_wlswemul, uint, 0);
+MODULE_PARM_DESC(dbg_wlswemul, "Enables WLSW emulation");
+module_param_named(wlsw_state, tpacpi_wlsw_emulstate, bool, 0);
+MODULE_PARM_DESC(wlsw_state,
+		 "Initial state of the emulated WLSW switch");
+
+module_param(dbg_bluetoothemul, uint, 0);
+MODULE_PARM_DESC(dbg_bluetoothemul, "Enables bluetooth switch emulation");
+module_param_named(bluetooth_state, tpacpi_bluetooth_emulstate, bool, 0);
+MODULE_PARM_DESC(bluetooth_state,
+		 "Initial state of the emulated bluetooth switch");
+
+module_param(dbg_wwanemul, uint, 0);
+MODULE_PARM_DESC(dbg_wwanemul, "Enables WWAN switch emulation");
+module_param_named(wwan_state, tpacpi_wwan_emulstate, bool, 0);
+MODULE_PARM_DESC(wwan_state,
+		 "Initial state of the emulated WWAN switch");
+
+module_param(dbg_uwbemul, uint, 0);
+MODULE_PARM_DESC(dbg_uwbemul, "Enables UWB switch emulation");
+module_param_named(uwb_state, tpacpi_uwb_emulstate, bool, 0);
+MODULE_PARM_DESC(uwb_state,
+		 "Initial state of the emulated UWB switch");
+#endif
+
 static void thinkpad_acpi_module_exit(void)
 {
 	struct ibm_struct *ibm, *itmp;
@@ -6926,7 +7532,7 @@ MODULE_ALIAS(TPACPI_DRVR_SHORTNAME);
  * if it is not there yet.
  */
 #define IBM_BIOS_MODULE_ALIAS(__type) \
-	MODULE_ALIAS("dmi:bvnIBM:bvr" __type "ET??WW")
+	MODULE_ALIAS("dmi:bvnIBM:bvr" __type "ET??WW*")
 
 /* Non-ancient thinkpads */
 MODULE_ALIAS("dmi:bvnIBM:*:svnIBM:*:pvrThinkPad*:rvnIBM:*");
@@ -6935,9 +7541,9 @@ MODULE_ALIAS("dmi:bvnLENOVO:*:svnLENOVO:*:pvrThinkPad*:rvnLENOVO:*");
 /* Ancient thinkpad BIOSes have to be identified by
  * BIOS type or model number, and there are far less
  * BIOS types than model numbers... */
-IBM_BIOS_MODULE_ALIAS("I[B,D,H,I,M,N,O,T,W,V,Y,Z]");
-IBM_BIOS_MODULE_ALIAS("1[0,3,6,8,A-G,I,K,M-P,S,T]");
-IBM_BIOS_MODULE_ALIAS("K[U,X-Z]");
+IBM_BIOS_MODULE_ALIAS("I[BDHIMNOTWVYZ]");
+IBM_BIOS_MODULE_ALIAS("1[0368A-GIKM-PST]");
+IBM_BIOS_MODULE_ALIAS("K[UX-Z]");
 
 MODULE_AUTHOR("Borislav Deianov, Henrique de Moraes Holschuh");
 MODULE_DESCRIPTION(TPACPI_DESC);
diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c
index 8a8b377712c9..2f269e117b8f 100644
--- a/drivers/platform/x86/wmi.c
+++ b/drivers/platform/x86/wmi.c
@@ -708,7 +708,7 @@ static int __init acpi_wmi_add(struct acpi_device *device)
 
 static int __init acpi_wmi_init(void)
 {
-	acpi_status result;
+	int result;
 
 	INIT_LIST_HEAD(&wmi_blocks.list);