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-rw-r--r--drivers/platform/x86/Kconfig6
-rw-r--r--drivers/platform/x86/acer-wmi.c2
-rw-r--r--drivers/platform/x86/apple-gmux.c432
-rw-r--r--drivers/platform/x86/asus-laptop.c10
-rw-r--r--drivers/platform/x86/asus-wmi.c25
-rw-r--r--drivers/platform/x86/asus-wmi.h1
-rw-r--r--drivers/platform/x86/classmate-laptop.c16
-rw-r--r--drivers/platform/x86/dell-laptop.c12
-rw-r--r--drivers/platform/x86/eeepc-laptop.c10
-rw-r--r--drivers/platform/x86/fujitsu-tablet.c2
-rw-r--r--drivers/platform/x86/hdaps.c2
-rw-r--r--drivers/platform/x86/hp_accel.c2
-rw-r--r--drivers/platform/x86/ideapad-laptop.c110
-rw-r--r--drivers/platform/x86/msi-laptop.c4
-rw-r--r--drivers/platform/x86/panasonic-laptop.c4
-rw-r--r--drivers/platform/x86/samsung-laptop.c4
-rw-r--r--drivers/platform/x86/sony-laptop.c12
-rw-r--r--drivers/platform/x86/thinkpad_acpi.c22
-rw-r--r--drivers/platform/x86/toshiba_acpi.c2
-rw-r--r--drivers/platform/x86/toshiba_bluetooth.c4
-rw-r--r--drivers/platform/x86/xo15-ebook.c2
21 files changed, 617 insertions, 67 deletions
diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index 2a262f5c5c0c..c86bae828c28 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -289,6 +289,7 @@ config IDEAPAD_LAPTOP
 	tristate "Lenovo IdeaPad Laptop Extras"
 	depends on ACPI
 	depends on RFKILL && INPUT
+	depends on SERIO_I8042
 	select INPUT_SPARSEKMAP
 	help
 	  This is a driver for the rfkill switches on Lenovo IdeaPad netbooks.
@@ -758,8 +759,11 @@ config SAMSUNG_Q10
 
 config APPLE_GMUX
 	tristate "Apple Gmux Driver"
+	depends on ACPI
 	depends on PNP
-	select BACKLIGHT_CLASS_DEVICE
+	depends on BACKLIGHT_CLASS_DEVICE
+	depends on BACKLIGHT_APPLE=n || BACKLIGHT_APPLE
+	depends on ACPI_VIDEO=n || ACPI_VIDEO
 	---help---
 	  This driver provides support for the gmux device found on many
 	  Apple laptops, which controls the display mux for the hybrid
diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
index 3782e1cd3697..934d861a3235 100644
--- a/drivers/platform/x86/acer-wmi.c
+++ b/drivers/platform/x86/acer-wmi.c
@@ -2196,10 +2196,8 @@ static int __init acer_wmi_init(void)
 		interface->capability &= ~ACER_CAP_BRIGHTNESS;
 		pr_info("Brightness must be controlled by acpi video driver\n");
 	} else {
-#ifdef CONFIG_ACPI_VIDEO
 		pr_info("Disabling ACPI video driver\n");
 		acpi_video_unregister();
-#endif
 	}
 
 	if (wmi_has_guid(WMID_GUID3)) {
diff --git a/drivers/platform/x86/apple-gmux.c b/drivers/platform/x86/apple-gmux.c
index 905fa01ac8df..db8f63841b42 100644
--- a/drivers/platform/x86/apple-gmux.c
+++ b/drivers/platform/x86/apple-gmux.c
@@ -2,6 +2,7 @@
  *  Gmux driver for Apple laptops
  *
  *  Copyright (C) Canonical Ltd. <seth.forshee@canonical.com>
+ *  Copyright (C) 2010-2012 Andreas Heider <andreas@meetr.de>
  *
  *  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
@@ -18,16 +19,30 @@
 #include <linux/pnp.h>
 #include <linux/apple_bl.h>
 #include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/pci.h>
+#include <linux/vga_switcheroo.h>
 #include <acpi/video.h>
 #include <asm/io.h>
 
 struct apple_gmux_data {
 	unsigned long iostart;
 	unsigned long iolen;
+	bool indexed;
+	struct mutex index_lock;
 
 	struct backlight_device *bdev;
+
+	/* switcheroo data */
+	acpi_handle dhandle;
+	int gpe;
+	enum vga_switcheroo_client_id resume_client_id;
+	enum vga_switcheroo_state power_state;
+	struct completion powerchange_done;
 };
 
+static struct apple_gmux_data *apple_gmux_data;
+
 /*
  * gmux port offsets. Many of these are not yet used, but may be in the
  * future, and it's useful to have them documented here anyhow.
@@ -45,6 +60,9 @@ struct apple_gmux_data {
 #define GMUX_PORT_DISCRETE_POWER	0x50
 #define GMUX_PORT_MAX_BRIGHTNESS	0x70
 #define GMUX_PORT_BRIGHTNESS		0x74
+#define GMUX_PORT_VALUE			0xc2
+#define GMUX_PORT_READ			0xd0
+#define GMUX_PORT_WRITE			0xd4
 
 #define GMUX_MIN_IO_LEN			(GMUX_PORT_BRIGHTNESS + 4)
 
@@ -59,22 +77,174 @@ struct apple_gmux_data {
 #define GMUX_BRIGHTNESS_MASK		0x00ffffff
 #define GMUX_MAX_BRIGHTNESS		GMUX_BRIGHTNESS_MASK
 
-static inline u8 gmux_read8(struct apple_gmux_data *gmux_data, int port)
+static u8 gmux_pio_read8(struct apple_gmux_data *gmux_data, int port)
 {
 	return inb(gmux_data->iostart + port);
 }
 
-static inline void gmux_write8(struct apple_gmux_data *gmux_data, int port,
+static void gmux_pio_write8(struct apple_gmux_data *gmux_data, int port,
 			       u8 val)
 {
 	outb(val, gmux_data->iostart + port);
 }
 
-static inline u32 gmux_read32(struct apple_gmux_data *gmux_data, int port)
+static u32 gmux_pio_read32(struct apple_gmux_data *gmux_data, int port)
 {
 	return inl(gmux_data->iostart + port);
 }
 
+static void gmux_pio_write32(struct apple_gmux_data *gmux_data, int port,
+			     u32 val)
+{
+	int i;
+	u8 tmpval;
+
+	for (i = 0; i < 4; i++) {
+		tmpval = (val >> (i * 8)) & 0xff;
+		outb(tmpval, gmux_data->iostart + port + i);
+	}
+}
+
+static int gmux_index_wait_ready(struct apple_gmux_data *gmux_data)
+{
+	int i = 200;
+	u8 gwr = inb(gmux_data->iostart + GMUX_PORT_WRITE);
+
+	while (i && (gwr & 0x01)) {
+		inb(gmux_data->iostart + GMUX_PORT_READ);
+		gwr = inb(gmux_data->iostart + GMUX_PORT_WRITE);
+		udelay(100);
+		i--;
+	}
+
+	return !!i;
+}
+
+static int gmux_index_wait_complete(struct apple_gmux_data *gmux_data)
+{
+	int i = 200;
+	u8 gwr = inb(gmux_data->iostart + GMUX_PORT_WRITE);
+
+	while (i && !(gwr & 0x01)) {
+		gwr = inb(gmux_data->iostart + GMUX_PORT_WRITE);
+		udelay(100);
+		i--;
+	}
+
+	if (gwr & 0x01)
+		inb(gmux_data->iostart + GMUX_PORT_READ);
+
+	return !!i;
+}
+
+static u8 gmux_index_read8(struct apple_gmux_data *gmux_data, int port)
+{
+	u8 val;
+
+	mutex_lock(&gmux_data->index_lock);
+	gmux_index_wait_ready(gmux_data);
+	outb((port & 0xff), gmux_data->iostart + GMUX_PORT_READ);
+	gmux_index_wait_complete(gmux_data);
+	val = inb(gmux_data->iostart + GMUX_PORT_VALUE);
+	mutex_unlock(&gmux_data->index_lock);
+
+	return val;
+}
+
+static void gmux_index_write8(struct apple_gmux_data *gmux_data, int port,
+			      u8 val)
+{
+	mutex_lock(&gmux_data->index_lock);
+	outb(val, gmux_data->iostart + GMUX_PORT_VALUE);
+	gmux_index_wait_ready(gmux_data);
+	outb(port & 0xff, gmux_data->iostart + GMUX_PORT_WRITE);
+	gmux_index_wait_complete(gmux_data);
+	mutex_unlock(&gmux_data->index_lock);
+}
+
+static u32 gmux_index_read32(struct apple_gmux_data *gmux_data, int port)
+{
+	u32 val;
+
+	mutex_lock(&gmux_data->index_lock);
+	gmux_index_wait_ready(gmux_data);
+	outb((port & 0xff), gmux_data->iostart + GMUX_PORT_READ);
+	gmux_index_wait_complete(gmux_data);
+	val = inl(gmux_data->iostart + GMUX_PORT_VALUE);
+	mutex_unlock(&gmux_data->index_lock);
+
+	return val;
+}
+
+static void gmux_index_write32(struct apple_gmux_data *gmux_data, int port,
+			       u32 val)
+{
+	int i;
+	u8 tmpval;
+
+	mutex_lock(&gmux_data->index_lock);
+
+	for (i = 0; i < 4; i++) {
+		tmpval = (val >> (i * 8)) & 0xff;
+		outb(tmpval, gmux_data->iostart + GMUX_PORT_VALUE + i);
+	}
+
+	gmux_index_wait_ready(gmux_data);
+	outb(port & 0xff, gmux_data->iostart + GMUX_PORT_WRITE);
+	gmux_index_wait_complete(gmux_data);
+	mutex_unlock(&gmux_data->index_lock);
+}
+
+static u8 gmux_read8(struct apple_gmux_data *gmux_data, int port)
+{
+	if (gmux_data->indexed)
+		return gmux_index_read8(gmux_data, port);
+	else
+		return gmux_pio_read8(gmux_data, port);
+}
+
+static void gmux_write8(struct apple_gmux_data *gmux_data, int port, u8 val)
+{
+	if (gmux_data->indexed)
+		gmux_index_write8(gmux_data, port, val);
+	else
+		gmux_pio_write8(gmux_data, port, val);
+}
+
+static u32 gmux_read32(struct apple_gmux_data *gmux_data, int port)
+{
+	if (gmux_data->indexed)
+		return gmux_index_read32(gmux_data, port);
+	else
+		return gmux_pio_read32(gmux_data, port);
+}
+
+static void gmux_write32(struct apple_gmux_data *gmux_data, int port,
+			     u32 val)
+{
+	if (gmux_data->indexed)
+		gmux_index_write32(gmux_data, port, val);
+	else
+		gmux_pio_write32(gmux_data, port, val);
+}
+
+static bool gmux_is_indexed(struct apple_gmux_data *gmux_data)
+{
+	u16 val;
+
+	outb(0xaa, gmux_data->iostart + 0xcc);
+	outb(0x55, gmux_data->iostart + 0xcd);
+	outb(0x00, gmux_data->iostart + 0xce);
+
+	val = inb(gmux_data->iostart + 0xcc) |
+		(inb(gmux_data->iostart + 0xcd) << 8);
+
+	if (val == 0x55aa)
+		return true;
+
+	return false;
+}
+
 static int gmux_get_brightness(struct backlight_device *bd)
 {
 	struct apple_gmux_data *gmux_data = bl_get_data(bd);
@@ -90,16 +260,7 @@ static int gmux_update_status(struct backlight_device *bd)
 	if (bd->props.state & BL_CORE_SUSPENDED)
 		return 0;
 
-	/*
-	 * Older gmux versions require writing out lower bytes first then
-	 * setting the upper byte to 0 to flush the values. Newer versions
-	 * accept a single u32 write, but the old method also works, so we
-	 * just use the old method for all gmux versions.
-	 */
-	gmux_write8(gmux_data, GMUX_PORT_BRIGHTNESS, brightness);
-	gmux_write8(gmux_data, GMUX_PORT_BRIGHTNESS + 1, brightness >> 8);
-	gmux_write8(gmux_data, GMUX_PORT_BRIGHTNESS + 2, brightness >> 16);
-	gmux_write8(gmux_data, GMUX_PORT_BRIGHTNESS + 3, 0);
+	gmux_write32(gmux_data, GMUX_PORT_BRIGHTNESS, brightness);
 
 	return 0;
 }
@@ -110,6 +271,146 @@ static const struct backlight_ops gmux_bl_ops = {
 	.update_status = gmux_update_status,
 };
 
+static int gmux_switchto(enum vga_switcheroo_client_id id)
+{
+	if (id == VGA_SWITCHEROO_IGD) {
+		gmux_write8(apple_gmux_data, GMUX_PORT_SWITCH_DDC, 1);
+		gmux_write8(apple_gmux_data, GMUX_PORT_SWITCH_DISPLAY, 2);
+		gmux_write8(apple_gmux_data, GMUX_PORT_SWITCH_EXTERNAL, 2);
+	} else {
+		gmux_write8(apple_gmux_data, GMUX_PORT_SWITCH_DDC, 2);
+		gmux_write8(apple_gmux_data, GMUX_PORT_SWITCH_DISPLAY, 3);
+		gmux_write8(apple_gmux_data, GMUX_PORT_SWITCH_EXTERNAL, 3);
+	}
+
+	return 0;
+}
+
+static int gmux_set_discrete_state(struct apple_gmux_data *gmux_data,
+				   enum vga_switcheroo_state state)
+{
+	INIT_COMPLETION(gmux_data->powerchange_done);
+
+	if (state == VGA_SWITCHEROO_ON) {
+		gmux_write8(gmux_data, GMUX_PORT_DISCRETE_POWER, 1);
+		gmux_write8(gmux_data, GMUX_PORT_DISCRETE_POWER, 3);
+		pr_debug("Discrete card powered up\n");
+	} else {
+		gmux_write8(gmux_data, GMUX_PORT_DISCRETE_POWER, 1);
+		gmux_write8(gmux_data, GMUX_PORT_DISCRETE_POWER, 0);
+		pr_debug("Discrete card powered down\n");
+	}
+
+	gmux_data->power_state = state;
+
+	if (gmux_data->gpe >= 0 &&
+	    !wait_for_completion_interruptible_timeout(&gmux_data->powerchange_done,
+						       msecs_to_jiffies(200)))
+		pr_warn("Timeout waiting for gmux switch to complete\n");
+
+	return 0;
+}
+
+static int gmux_set_power_state(enum vga_switcheroo_client_id id,
+				enum vga_switcheroo_state state)
+{
+	if (id == VGA_SWITCHEROO_IGD)
+		return 0;
+
+	return gmux_set_discrete_state(apple_gmux_data, state);
+}
+
+static int gmux_get_client_id(struct pci_dev *pdev)
+{
+	/*
+	 * Early Macbook Pros with switchable graphics use nvidia
+	 * integrated graphics. Hardcode that the 9400M is integrated.
+	 */
+	if (pdev->vendor == PCI_VENDOR_ID_INTEL)
+		return VGA_SWITCHEROO_IGD;
+	else if (pdev->vendor == PCI_VENDOR_ID_NVIDIA &&
+		 pdev->device == 0x0863)
+		return VGA_SWITCHEROO_IGD;
+	else
+		return VGA_SWITCHEROO_DIS;
+}
+
+static enum vga_switcheroo_client_id
+gmux_active_client(struct apple_gmux_data *gmux_data)
+{
+	if (gmux_read8(gmux_data, GMUX_PORT_SWITCH_DISPLAY) == 2)
+		return VGA_SWITCHEROO_IGD;
+
+	return VGA_SWITCHEROO_DIS;
+}
+
+static struct vga_switcheroo_handler gmux_handler = {
+	.switchto = gmux_switchto,
+	.power_state = gmux_set_power_state,
+	.get_client_id = gmux_get_client_id,
+};
+
+static inline void gmux_disable_interrupts(struct apple_gmux_data *gmux_data)
+{
+	gmux_write8(gmux_data, GMUX_PORT_INTERRUPT_ENABLE,
+		    GMUX_INTERRUPT_DISABLE);
+}
+
+static inline void gmux_enable_interrupts(struct apple_gmux_data *gmux_data)
+{
+	gmux_write8(gmux_data, GMUX_PORT_INTERRUPT_ENABLE,
+		    GMUX_INTERRUPT_ENABLE);
+}
+
+static inline u8 gmux_interrupt_get_status(struct apple_gmux_data *gmux_data)
+{
+	return gmux_read8(gmux_data, GMUX_PORT_INTERRUPT_STATUS);
+}
+
+static void gmux_clear_interrupts(struct apple_gmux_data *gmux_data)
+{
+	u8 status;
+
+	/* to clear interrupts write back current status */
+	status = gmux_interrupt_get_status(gmux_data);
+	gmux_write8(gmux_data, GMUX_PORT_INTERRUPT_STATUS, status);
+}
+
+static void gmux_notify_handler(acpi_handle device, u32 value, void *context)
+{
+	u8 status;
+	struct pnp_dev *pnp = (struct pnp_dev *)context;
+	struct apple_gmux_data *gmux_data = pnp_get_drvdata(pnp);
+
+	status = gmux_interrupt_get_status(gmux_data);
+	gmux_disable_interrupts(gmux_data);
+	pr_debug("Notify handler called: status %d\n", status);
+
+	gmux_clear_interrupts(gmux_data);
+	gmux_enable_interrupts(gmux_data);
+
+	if (status & GMUX_INTERRUPT_STATUS_POWER)
+		complete(&gmux_data->powerchange_done);
+}
+
+static int gmux_suspend(struct pnp_dev *pnp, pm_message_t state)
+{
+	struct apple_gmux_data *gmux_data = pnp_get_drvdata(pnp);
+	gmux_data->resume_client_id = gmux_active_client(gmux_data);
+	gmux_disable_interrupts(gmux_data);
+	return 0;
+}
+
+static int gmux_resume(struct pnp_dev *pnp)
+{
+	struct apple_gmux_data *gmux_data = pnp_get_drvdata(pnp);
+	gmux_enable_interrupts(gmux_data);
+	gmux_switchto(gmux_data->resume_client_id);
+	if (gmux_data->power_state == VGA_SWITCHEROO_OFF)
+		gmux_set_discrete_state(gmux_data, gmux_data->power_state);
+	return 0;
+}
+
 static int __devinit gmux_probe(struct pnp_dev *pnp,
 				const struct pnp_device_id *id)
 {
@@ -119,6 +420,11 @@ static int __devinit gmux_probe(struct pnp_dev *pnp,
 	struct backlight_device *bdev;
 	u8 ver_major, ver_minor, ver_release;
 	int ret = -ENXIO;
+	acpi_status status;
+	unsigned long long gpe;
+
+	if (apple_gmux_data)
+		return -EBUSY;
 
 	gmux_data = kzalloc(sizeof(*gmux_data), GFP_KERNEL);
 	if (!gmux_data)
@@ -147,21 +453,32 @@ static int __devinit gmux_probe(struct pnp_dev *pnp,
 	}
 
 	/*
-	 * On some machines the gmux is in ACPI even thought the machine
-	 * doesn't really have a gmux. Check for invalid version information
-	 * to detect this.
+	 * Invalid version information may indicate either that the gmux
+	 * device isn't present or that it's a new one that uses indexed
+	 * io
 	 */
+
 	ver_major = gmux_read8(gmux_data, GMUX_PORT_VERSION_MAJOR);
 	ver_minor = gmux_read8(gmux_data, GMUX_PORT_VERSION_MINOR);
 	ver_release = gmux_read8(gmux_data, GMUX_PORT_VERSION_RELEASE);
 	if (ver_major == 0xff && ver_minor == 0xff && ver_release == 0xff) {
-		pr_info("gmux device not present\n");
-		ret = -ENODEV;
-		goto err_release;
+		if (gmux_is_indexed(gmux_data)) {
+			u32 version;
+			mutex_init(&gmux_data->index_lock);
+			gmux_data->indexed = true;
+			version = gmux_read32(gmux_data,
+				GMUX_PORT_VERSION_MAJOR);
+			ver_major = (version >> 24) & 0xff;
+			ver_minor = (version >> 16) & 0xff;
+			ver_release = (version >> 8) & 0xff;
+		} else {
+			pr_info("gmux device not present\n");
+			ret = -ENODEV;
+			goto err_release;
+		}
 	}
-
-	pr_info("Found gmux version %d.%d.%d\n", ver_major, ver_minor,
-		ver_release);
+	pr_info("Found gmux version %d.%d.%d [%s]\n", ver_major, ver_minor,
+		ver_release, (gmux_data->indexed ? "indexed" : "classic"));
 
 	memset(&props, 0, sizeof(props));
 	props.type = BACKLIGHT_PLATFORM;
@@ -194,13 +511,65 @@ static int __devinit gmux_probe(struct pnp_dev *pnp,
 	 * Disable the other backlight choices.
 	 */
 	acpi_video_dmi_promote_vendor();
-#ifdef CONFIG_ACPI_VIDEO
 	acpi_video_unregister();
-#endif
 	apple_bl_unregister();
 
+	gmux_data->power_state = VGA_SWITCHEROO_ON;
+
+	gmux_data->dhandle = DEVICE_ACPI_HANDLE(&pnp->dev);
+	if (!gmux_data->dhandle) {
+		pr_err("Cannot find acpi handle for pnp device %s\n",
+		       dev_name(&pnp->dev));
+		ret = -ENODEV;
+		goto err_notify;
+	}
+
+	status = acpi_evaluate_integer(gmux_data->dhandle, "GMGP", NULL, &gpe);
+	if (ACPI_SUCCESS(status)) {
+		gmux_data->gpe = (int)gpe;
+
+		status = acpi_install_notify_handler(gmux_data->dhandle,
+						     ACPI_DEVICE_NOTIFY,
+						     &gmux_notify_handler, pnp);
+		if (ACPI_FAILURE(status)) {
+			pr_err("Install notify handler failed: %s\n",
+			       acpi_format_exception(status));
+			ret = -ENODEV;
+			goto err_notify;
+		}
+
+		status = acpi_enable_gpe(NULL, gmux_data->gpe);
+		if (ACPI_FAILURE(status)) {
+			pr_err("Cannot enable gpe: %s\n",
+			       acpi_format_exception(status));
+			goto err_enable_gpe;
+		}
+	} else {
+		pr_warn("No GPE found for gmux\n");
+		gmux_data->gpe = -1;
+	}
+
+	if (vga_switcheroo_register_handler(&gmux_handler)) {
+		ret = -ENODEV;
+		goto err_register_handler;
+	}
+
+	init_completion(&gmux_data->powerchange_done);
+	apple_gmux_data = gmux_data;
+	gmux_enable_interrupts(gmux_data);
+
 	return 0;
 
+err_register_handler:
+	if (gmux_data->gpe >= 0)
+		acpi_disable_gpe(NULL, gmux_data->gpe);
+err_enable_gpe:
+	if (gmux_data->gpe >= 0)
+		acpi_remove_notify_handler(gmux_data->dhandle,
+					   ACPI_DEVICE_NOTIFY,
+					   &gmux_notify_handler);
+err_notify:
+	backlight_device_unregister(bdev);
 err_release:
 	release_region(gmux_data->iostart, gmux_data->iolen);
 err_free:
@@ -212,14 +581,23 @@ static void __devexit gmux_remove(struct pnp_dev *pnp)
 {
 	struct apple_gmux_data *gmux_data = pnp_get_drvdata(pnp);
 
+	vga_switcheroo_unregister_handler();
+	gmux_disable_interrupts(gmux_data);
+	if (gmux_data->gpe >= 0) {
+		acpi_disable_gpe(NULL, gmux_data->gpe);
+		acpi_remove_notify_handler(gmux_data->dhandle,
+					   ACPI_DEVICE_NOTIFY,
+					   &gmux_notify_handler);
+	}
+
 	backlight_device_unregister(gmux_data->bdev);
+
 	release_region(gmux_data->iostart, gmux_data->iolen);
+	apple_gmux_data = NULL;
 	kfree(gmux_data);
 
 	acpi_video_dmi_demote_vendor();
-#ifdef CONFIG_ACPI_VIDEO
 	acpi_video_register();
-#endif
 	apple_bl_register();
 }
 
@@ -233,6 +611,8 @@ static struct pnp_driver gmux_pnp_driver = {
 	.probe		= gmux_probe,
 	.remove		= __devexit_p(gmux_remove),
 	.id_table	= gmux_device_ids,
+	.suspend	= gmux_suspend,
+	.resume		= gmux_resume
 };
 
 static int __init apple_gmux_init(void)
diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c
index e38f91be0b10..4b568df56643 100644
--- a/drivers/platform/x86/asus-laptop.c
+++ b/drivers/platform/x86/asus-laptop.c
@@ -85,7 +85,7 @@ static char *wled_type = "unknown";
 static char *bled_type = "unknown";
 
 module_param(wled_type, charp, 0444);
-MODULE_PARM_DESC(wlan_status, "Set the wled type on boot "
+MODULE_PARM_DESC(wled_type, "Set the wled type on boot "
 		 "(unknown, led or rfkill). "
 		 "default is unknown");
 
@@ -863,9 +863,9 @@ static ssize_t show_infos(struct device *dev,
 	 * The significance of others is yet to be found.
 	 * If we don't find the method, we assume the device are present.
 	 */
-	rv = acpi_evaluate_integer(asus->handle, "HRWS", NULL, &temp);
+	rv = acpi_evaluate_integer(asus->handle, "HWRS", NULL, &temp);
 	if (!ACPI_FAILURE(rv))
-		len += sprintf(page + len, "HRWS value         : %#x\n",
+		len += sprintf(page + len, "HWRS value         : %#x\n",
 			       (uint) temp);
 	/*
 	 * Another value for userspace: the ASYM method returns 0x02 for
@@ -1751,9 +1751,9 @@ static int asus_laptop_get_info(struct asus_laptop *asus)
 	 * The significance of others is yet to be found.
 	 */
 	status =
-	    acpi_evaluate_integer(asus->handle, "HRWS", NULL, &hwrs_result);
+	    acpi_evaluate_integer(asus->handle, "HWRS", NULL, &hwrs_result);
 	if (!ACPI_FAILURE(status))
-		pr_notice("  HRWS returned %x", (int)hwrs_result);
+		pr_notice("  HWRS returned %x", (int)hwrs_result);
 
 	if (!acpi_check_handle(asus->handle, METHOD_WL_STATUS, NULL))
 		asus->have_rsts = true;
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index c7a36f6b0580..c0e9ff489b24 100644
--- a/drivers/platform/x86/asus-wmi.c
+++ b/drivers/platform/x86/asus-wmi.c
@@ -47,9 +47,7 @@
 #include <linux/thermal.h>
 #include <acpi/acpi_bus.h>
 #include <acpi/acpi_drivers.h>
-#ifdef CONFIG_ACPI_VIDEO
 #include <acpi/video.h>
-#endif
 
 #include "asus-wmi.h"
 
@@ -101,6 +99,7 @@ MODULE_LICENSE("GPL");
 #define ASUS_WMI_DEVID_WIRELESS_LED	0x00010002
 #define ASUS_WMI_DEVID_CWAP		0x00010003
 #define ASUS_WMI_DEVID_WLAN		0x00010011
+#define ASUS_WMI_DEVID_WLAN_LED		0x00010012
 #define ASUS_WMI_DEVID_BLUETOOTH	0x00010013
 #define ASUS_WMI_DEVID_GPS		0x00010015
 #define ASUS_WMI_DEVID_WIMAX		0x00010017
@@ -731,8 +730,21 @@ static int asus_rfkill_set(void *data, bool blocked)
 {
 	struct asus_rfkill *priv = data;
 	u32 ctrl_param = !blocked;
+	u32 dev_id = priv->dev_id;
 
-	return asus_wmi_set_devstate(priv->dev_id, ctrl_param, NULL);
+	/*
+	 * If the user bit is set, BIOS can't set and record the wlan status,
+	 * it will report the value read from id ASUS_WMI_DEVID_WLAN_LED
+	 * while we query the wlan status through WMI(ASUS_WMI_DEVID_WLAN).
+	 * So, we have to record wlan status in id ASUS_WMI_DEVID_WLAN_LED
+	 * while setting the wlan status through WMI.
+	 * This is also the behavior that windows app will do.
+	 */
+	if ((dev_id == ASUS_WMI_DEVID_WLAN) &&
+	     priv->asus->driver->wlan_ctrl_by_user)
+		dev_id = ASUS_WMI_DEVID_WLAN_LED;
+
+	return asus_wmi_set_devstate(dev_id, ctrl_param, NULL);
 }
 
 static void asus_rfkill_query(struct rfkill *rfkill, void *data)
@@ -1653,6 +1665,7 @@ static int asus_wmi_add(struct platform_device *pdev)
 	struct asus_wmi *asus;
 	acpi_status status;
 	int err;
+	u32 result;
 
 	asus = kzalloc(sizeof(struct asus_wmi), GFP_KERNEL);
 	if (!asus)
@@ -1689,10 +1702,8 @@ static int asus_wmi_add(struct platform_device *pdev)
 	if (asus->driver->quirks->wmi_backlight_power)
 		acpi_video_dmi_promote_vendor();
 	if (!acpi_video_backlight_support()) {
-#ifdef CONFIG_ACPI_VIDEO
 		pr_info("Disabling ACPI video driver\n");
 		acpi_video_unregister();
-#endif
 		err = asus_wmi_backlight_init(asus);
 		if (err && err != -ENODEV)
 			goto fail_backlight;
@@ -1711,6 +1722,10 @@ static int asus_wmi_add(struct platform_device *pdev)
 	if (err)
 		goto fail_debugfs;
 
+	asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WLAN, &result);
+	if (result & (ASUS_WMI_DSTS_PRESENCE_BIT | ASUS_WMI_DSTS_USER_BIT))
+		asus->driver->wlan_ctrl_by_user = 1;
+
 	return 0;
 
 fail_debugfs:
diff --git a/drivers/platform/x86/asus-wmi.h b/drivers/platform/x86/asus-wmi.h
index 9c1da8b81bea..4c9bd38bb0a2 100644
--- a/drivers/platform/x86/asus-wmi.h
+++ b/drivers/platform/x86/asus-wmi.h
@@ -46,6 +46,7 @@ struct quirk_entry {
 struct asus_wmi_driver {
 	int			brightness;
 	int			panel_power;
+	int			wlan_ctrl_by_user;
 
 	const char		*name;
 	struct module		*owner;
diff --git a/drivers/platform/x86/classmate-laptop.c b/drivers/platform/x86/classmate-laptop.c
index 2ca7dd1ab3e4..c87ff16873f9 100644
--- a/drivers/platform/x86/classmate-laptop.c
+++ b/drivers/platform/x86/classmate-laptop.c
@@ -350,6 +350,7 @@ static void cmpc_accel_idev_init_v4(struct input_dev *inputdev)
 	inputdev->close = cmpc_accel_close_v4;
 }
 
+#ifdef CONFIG_PM_SLEEP
 static int cmpc_accel_suspend_v4(struct device *dev)
 {
 	struct input_dev *inputdev;
@@ -384,6 +385,7 @@ static int cmpc_accel_resume_v4(struct device *dev)
 
 	return 0;
 }
+#endif
 
 static int cmpc_accel_add_v4(struct acpi_device *acpi)
 {
@@ -723,8 +725,10 @@ static void cmpc_tablet_handler(struct acpi_device *dev, u32 event)
 	struct input_dev *inputdev = dev_get_drvdata(&dev->dev);
 
 	if (event == 0x81) {
-		if (ACPI_SUCCESS(cmpc_get_tablet(dev->handle, &val)))
+		if (ACPI_SUCCESS(cmpc_get_tablet(dev->handle, &val))) {
 			input_report_switch(inputdev, SW_TABLET_MODE, !val);
+			input_sync(inputdev);
+		}
 	}
 }
 
@@ -737,8 +741,10 @@ static void cmpc_tablet_idev_init(struct input_dev *inputdev)
 	set_bit(SW_TABLET_MODE, inputdev->swbit);
 
 	acpi = to_acpi_device(inputdev->dev.parent);
-	if (ACPI_SUCCESS(cmpc_get_tablet(acpi->handle, &val)))
+	if (ACPI_SUCCESS(cmpc_get_tablet(acpi->handle, &val))) {
 		input_report_switch(inputdev, SW_TABLET_MODE, !val);
+		input_sync(inputdev);
+	}
 }
 
 static int cmpc_tablet_add(struct acpi_device *acpi)
@@ -752,15 +758,19 @@ static int cmpc_tablet_remove(struct acpi_device *acpi, int type)
 	return cmpc_remove_acpi_notify_device(acpi);
 }
 
+#ifdef CONFIG_PM_SLEEP
 static int cmpc_tablet_resume(struct device *dev)
 {
 	struct input_dev *inputdev = dev_get_drvdata(dev);
 
 	unsigned long long val = 0;
-	if (ACPI_SUCCESS(cmpc_get_tablet(to_acpi_device(dev)->handle, &val)))
+	if (ACPI_SUCCESS(cmpc_get_tablet(to_acpi_device(dev)->handle, &val))) {
 		input_report_switch(inputdev, SW_TABLET_MODE, !val);
+		input_sync(inputdev);
+	}
 	return 0;
 }
+#endif
 
 static SIMPLE_DEV_PM_OPS(cmpc_tablet_pm, NULL, cmpc_tablet_resume);
 
diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c
index 4e96e8c0b60f..927c33af67ec 100644
--- a/drivers/platform/x86/dell-laptop.c
+++ b/drivers/platform/x86/dell-laptop.c
@@ -211,7 +211,7 @@ static struct dmi_system_id __devinitdata dell_quirks[] = {
 		.ident = "Dell Inspiron 5420",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Isnpiron 5420"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5420"),
 		},
 		.driver_data = &quirk_dell_vostro_v130,
 	},
@@ -220,7 +220,7 @@ static struct dmi_system_id __devinitdata dell_quirks[] = {
 		.ident = "Dell Inspiron 5520",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Isnpiron 5520"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5520"),
 		},
 		.driver_data = &quirk_dell_vostro_v130,
 	},
@@ -229,7 +229,7 @@ static struct dmi_system_id __devinitdata dell_quirks[] = {
 		.ident = "Dell Inspiron 5720",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Isnpiron 5720"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5720"),
 		},
 		.driver_data = &quirk_dell_vostro_v130,
 	},
@@ -238,7 +238,7 @@ static struct dmi_system_id __devinitdata dell_quirks[] = {
 		.ident = "Dell Inspiron 7420",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Isnpiron 7420"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7420"),
 		},
 		.driver_data = &quirk_dell_vostro_v130,
 	},
@@ -247,7 +247,7 @@ static struct dmi_system_id __devinitdata dell_quirks[] = {
 		.ident = "Dell Inspiron 7520",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Isnpiron 7520"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7520"),
 		},
 		.driver_data = &quirk_dell_vostro_v130,
 	},
@@ -256,7 +256,7 @@ static struct dmi_system_id __devinitdata dell_quirks[] = {
 		.ident = "Dell Inspiron 7720",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Isnpiron 7720"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7720"),
 		},
 		.driver_data = &quirk_dell_vostro_v130,
 	},
diff --git a/drivers/platform/x86/eeepc-laptop.c b/drivers/platform/x86/eeepc-laptop.c
index dab91b48d22c..5ca264179f4e 100644
--- a/drivers/platform/x86/eeepc-laptop.c
+++ b/drivers/platform/x86/eeepc-laptop.c
@@ -610,12 +610,12 @@ static void eeepc_rfkill_hotplug(struct eeepc_laptop *eeepc, acpi_handle handle)
 
 		if (!bus) {
 			pr_warn("Unable to find PCI bus 1?\n");
-			goto out_unlock;
+			goto out_put_dev;
 		}
 
 		if (pci_bus_read_config_dword(bus, 0, PCI_VENDOR_ID, &l)) {
 			pr_err("Unable to read PCI config space?\n");
-			goto out_unlock;
+			goto out_put_dev;
 		}
 
 		absent = (l == 0xffffffff);
@@ -627,7 +627,7 @@ static void eeepc_rfkill_hotplug(struct eeepc_laptop *eeepc, acpi_handle handle)
 				absent ? "absent" : "present");
 			pr_warn("skipped wireless hotplug as probably "
 				"inappropriate for this model\n");
-			goto out_unlock;
+			goto out_put_dev;
 		}
 
 		if (!blocked) {
@@ -635,7 +635,7 @@ static void eeepc_rfkill_hotplug(struct eeepc_laptop *eeepc, acpi_handle handle)
 			if (dev) {
 				/* Device already present */
 				pci_dev_put(dev);
-				goto out_unlock;
+				goto out_put_dev;
 			}
 			dev = pci_scan_single_device(bus, 0);
 			if (dev) {
@@ -650,6 +650,8 @@ static void eeepc_rfkill_hotplug(struct eeepc_laptop *eeepc, acpi_handle handle)
 				pci_dev_put(dev);
 			}
 		}
+out_put_dev:
+		pci_dev_put(port);
 	}
 
 out_unlock:
diff --git a/drivers/platform/x86/fujitsu-tablet.c b/drivers/platform/x86/fujitsu-tablet.c
index d2e41735a47b..7acae3f85f3b 100644
--- a/drivers/platform/x86/fujitsu-tablet.c
+++ b/drivers/platform/x86/fujitsu-tablet.c
@@ -440,11 +440,13 @@ static int __devexit acpi_fujitsu_remove(struct acpi_device *adev, int type)
 	return 0;
 }
 
+#ifdef CONFIG_PM_SLEEP
 static int acpi_fujitsu_resume(struct device *dev)
 {
 	fujitsu_reset();
 	return 0;
 }
+#endif
 
 static SIMPLE_DEV_PM_OPS(acpi_fujitsu_pm, NULL, acpi_fujitsu_resume);
 
diff --git a/drivers/platform/x86/hdaps.c b/drivers/platform/x86/hdaps.c
index d9ab6f64dcec..777c7e3dda51 100644
--- a/drivers/platform/x86/hdaps.c
+++ b/drivers/platform/x86/hdaps.c
@@ -305,10 +305,12 @@ static int hdaps_probe(struct platform_device *dev)
 	return 0;
 }
 
+#ifdef CONFIG_PM_SLEEP
 static int hdaps_resume(struct device *dev)
 {
 	return hdaps_device_init();
 }
+#endif
 
 static SIMPLE_DEV_PM_OPS(hdaps_pm, NULL, hdaps_resume);
 
diff --git a/drivers/platform/x86/hp_accel.c b/drivers/platform/x86/hp_accel.c
index f4d91154ad67..6b9af989632b 100644
--- a/drivers/platform/x86/hp_accel.c
+++ b/drivers/platform/x86/hp_accel.c
@@ -352,7 +352,7 @@ static int lis3lv02d_remove(struct acpi_device *device, int type)
 }
 
 
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 static int lis3lv02d_suspend(struct device *dev)
 {
 	/* make sure the device is off when we suspend */
diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c
index 17f6dfd8dbfb..dae7abe1d711 100644
--- a/drivers/platform/x86/ideapad-laptop.c
+++ b/drivers/platform/x86/ideapad-laptop.c
@@ -36,6 +36,7 @@
 #include <linux/fb.h>
 #include <linux/debugfs.h>
 #include <linux/seq_file.h>
+#include <linux/i8042.h>
 
 #define IDEAPAD_RFKILL_DEV_NUM	(3)
 
@@ -63,8 +64,11 @@ enum {
 	VPCCMD_R_3G,
 	VPCCMD_W_3G,
 	VPCCMD_R_ODD, /* 0x21 */
-	VPCCMD_R_RF = 0x23,
+	VPCCMD_W_FAN,
+	VPCCMD_R_RF,
 	VPCCMD_W_RF,
+	VPCCMD_R_FAN = 0x2B,
+	VPCCMD_R_SPECIAL_BUTTONS = 0x31,
 	VPCCMD_W_BL_POWER = 0x33,
 };
 
@@ -356,14 +360,46 @@ static ssize_t store_ideapad_cam(struct device *dev,
 		return -EINVAL;
 	ret = write_ec_cmd(ideapad_handle, VPCCMD_W_CAMERA, state);
 	if (ret < 0)
-		return ret;
+		return -EIO;
 	return count;
 }
 
 static DEVICE_ATTR(camera_power, 0644, show_ideapad_cam, store_ideapad_cam);
 
+static ssize_t show_ideapad_fan(struct device *dev,
+				struct device_attribute *attr,
+				char *buf)
+{
+	unsigned long result;
+
+	if (read_ec_data(ideapad_handle, VPCCMD_R_FAN, &result))
+		return sprintf(buf, "-1\n");
+	return sprintf(buf, "%lu\n", result);
+}
+
+static ssize_t store_ideapad_fan(struct device *dev,
+				 struct device_attribute *attr,
+				 const char *buf, size_t count)
+{
+	int ret, state;
+
+	if (!count)
+		return 0;
+	if (sscanf(buf, "%i", &state) != 1)
+		return -EINVAL;
+	if (state < 0 || state > 4 || state == 3)
+		return -EINVAL;
+	ret = write_ec_cmd(ideapad_handle, VPCCMD_W_FAN, state);
+	if (ret < 0)
+		return -EIO;
+	return count;
+}
+
+static DEVICE_ATTR(fan_mode, 0644, show_ideapad_fan, store_ideapad_fan);
+
 static struct attribute *ideapad_attributes[] = {
 	&dev_attr_camera_power.attr,
+	&dev_attr_fan_mode.attr,
 	NULL
 };
 
@@ -377,7 +413,10 @@ static umode_t ideapad_is_visible(struct kobject *kobj,
 
 	if (attr == &dev_attr_camera_power.attr)
 		supported = test_bit(CFG_CAMERA_BIT, &(priv->cfg));
-	else
+	else if (attr == &dev_attr_fan_mode.attr) {
+		unsigned long value;
+		supported = !read_ec_data(ideapad_handle, VPCCMD_R_FAN, &value);
+	} else
 		supported = true;
 
 	return supported ? attr->mode : 0;
@@ -518,9 +557,15 @@ static void ideapad_platform_exit(struct ideapad_private *priv)
  */
 static const struct key_entry ideapad_keymap[] = {
 	{ KE_KEY, 6,  { KEY_SWITCHVIDEOMODE } },
+	{ KE_KEY, 7,  { KEY_CAMERA } },
+	{ KE_KEY, 11, { KEY_F16 } },
 	{ KE_KEY, 13, { KEY_WLAN } },
 	{ KE_KEY, 16, { KEY_PROG1 } },
 	{ KE_KEY, 17, { KEY_PROG2 } },
+	{ KE_KEY, 64, { KEY_PROG3 } },
+	{ KE_KEY, 65, { KEY_PROG4 } },
+	{ KE_KEY, 66, { KEY_TOUCHPAD_OFF } },
+	{ KE_KEY, 67, { KEY_TOUCHPAD_ON } },
 	{ KE_END, 0 },
 };
 
@@ -587,6 +632,28 @@ static void ideapad_input_novokey(struct ideapad_private *priv)
 		ideapad_input_report(priv, 16);
 }
 
+static void ideapad_check_special_buttons(struct ideapad_private *priv)
+{
+	unsigned long bit, value;
+
+	read_ec_data(ideapad_handle, VPCCMD_R_SPECIAL_BUTTONS, &value);
+
+	for (bit = 0; bit < 16; bit++) {
+		if (test_bit(bit, &value)) {
+			switch (bit) {
+			case 6:
+				/* Thermal Management button */
+				ideapad_input_report(priv, 65);
+				break;
+			case 1:
+				/* OneKey Theater button */
+				ideapad_input_report(priv, 64);
+				break;
+			}
+		}
+	}
+}
+
 /*
  * backlight
  */
@@ -691,6 +758,24 @@ static const struct acpi_device_id ideapad_device_ids[] = {
 };
 MODULE_DEVICE_TABLE(acpi, ideapad_device_ids);
 
+static void ideapad_sync_touchpad_state(struct acpi_device *adevice)
+{
+	struct ideapad_private *priv = dev_get_drvdata(&adevice->dev);
+	unsigned long value;
+
+	/* Without reading from EC touchpad LED doesn't switch state */
+	if (!read_ec_data(adevice->handle, VPCCMD_R_TOUCHPAD, &value)) {
+		/* Some IdeaPads don't really turn off touchpad - they only
+		 * switch the LED state. We (de)activate KBC AUX port to turn
+		 * touchpad off and on. We send KEY_TOUCHPAD_OFF and
+		 * KEY_TOUCHPAD_ON to not to get out of sync with LED */
+		unsigned char param;
+		i8042_command(&param, value ? I8042_CMD_AUX_ENABLE :
+			      I8042_CMD_AUX_DISABLE);
+		ideapad_input_report(priv, value ? 67 : 66);
+	}
+}
+
 static int __devinit ideapad_acpi_add(struct acpi_device *adevice)
 {
 	int ret, i;
@@ -727,6 +812,7 @@ static int __devinit ideapad_acpi_add(struct acpi_device *adevice)
 			priv->rfk[i] = NULL;
 	}
 	ideapad_sync_rfk_state(priv);
+	ideapad_sync_touchpad_state(adevice);
 
 	if (!acpi_video_backlight_support()) {
 		ret = ideapad_backlight_init(priv);
@@ -785,9 +871,14 @@ static void ideapad_acpi_notify(struct acpi_device *adevice, u32 event)
 				ideapad_sync_rfk_state(priv);
 				break;
 			case 13:
+			case 11:
+			case 7:
 			case 6:
 				ideapad_input_report(priv, vpc_bit);
 				break;
+			case 5:
+				ideapad_sync_touchpad_state(adevice);
+				break;
 			case 4:
 				ideapad_backlight_notify_brightness(priv);
 				break;
@@ -797,6 +888,9 @@ static void ideapad_acpi_notify(struct acpi_device *adevice, u32 event)
 			case 2:
 				ideapad_backlight_notify_power(priv);
 				break;
+			case 0:
+				ideapad_check_special_buttons(priv);
+				break;
 			default:
 				pr_info("Unknown event: %lu\n", vpc_bit);
 			}
@@ -804,6 +898,15 @@ static void ideapad_acpi_notify(struct acpi_device *adevice, u32 event)
 	}
 }
 
+static int ideapad_acpi_resume(struct device *device)
+{
+	ideapad_sync_rfk_state(ideapad_priv);
+	ideapad_sync_touchpad_state(to_acpi_device(device));
+	return 0;
+}
+
+static SIMPLE_DEV_PM_OPS(ideapad_pm, NULL, ideapad_acpi_resume);
+
 static struct acpi_driver ideapad_acpi_driver = {
 	.name = "ideapad_acpi",
 	.class = "IdeaPad",
@@ -811,6 +914,7 @@ static struct acpi_driver ideapad_acpi_driver = {
 	.ops.add = ideapad_acpi_add,
 	.ops.remove = ideapad_acpi_remove,
 	.ops.notify = ideapad_acpi_notify,
+	.drv.pm = &ideapad_pm,
 	.owner = THIS_MODULE,
 };
 
diff --git a/drivers/platform/x86/msi-laptop.c b/drivers/platform/x86/msi-laptop.c
index f64441844317..2111dbb7e1e3 100644
--- a/drivers/platform/x86/msi-laptop.c
+++ b/drivers/platform/x86/msi-laptop.c
@@ -85,7 +85,9 @@
 #define MSI_STANDARD_EC_TOUCHPAD_ADDRESS	0xe4
 #define MSI_STANDARD_EC_TOUCHPAD_MASK		(1 << 4)
 
+#ifdef CONFIG_PM_SLEEP
 static int msi_laptop_resume(struct device *device);
+#endif
 static SIMPLE_DEV_PM_OPS(msi_laptop_pm, NULL, msi_laptop_resume);
 
 #define MSI_STANDARD_EC_DEVICES_EXISTS_ADDRESS	0x2f
@@ -753,6 +755,7 @@ err_bluetooth:
 	return retval;
 }
 
+#ifdef CONFIG_PM_SLEEP
 static int msi_laptop_resume(struct device *device)
 {
 	u8 data;
@@ -773,6 +776,7 @@ static int msi_laptop_resume(struct device *device)
 
 	return 0;
 }
+#endif
 
 static int __init msi_laptop_input_setup(void)
 {
diff --git a/drivers/platform/x86/panasonic-laptop.c b/drivers/platform/x86/panasonic-laptop.c
index 24480074bcf0..8e8caa767d6a 100644
--- a/drivers/platform/x86/panasonic-laptop.c
+++ b/drivers/platform/x86/panasonic-laptop.c
@@ -188,7 +188,9 @@ static const struct acpi_device_id pcc_device_ids[] = {
 };
 MODULE_DEVICE_TABLE(acpi, pcc_device_ids);
 
+#ifdef CONFIG_PM_SLEEP
 static int acpi_pcc_hotkey_resume(struct device *dev);
+#endif
 static SIMPLE_DEV_PM_OPS(acpi_pcc_hotkey_pm, NULL, acpi_pcc_hotkey_resume);
 
 static struct acpi_driver acpi_pcc_driver = {
@@ -540,6 +542,7 @@ static void acpi_pcc_destroy_input(struct pcc_acpi *pcc)
 
 /* kernel module interface */
 
+#ifdef CONFIG_PM_SLEEP
 static int acpi_pcc_hotkey_resume(struct device *dev)
 {
 	struct pcc_acpi *pcc;
@@ -556,6 +559,7 @@ static int acpi_pcc_hotkey_resume(struct device *dev)
 
 	return acpi_pcc_write_sset(pcc, SINF_STICKY_KEY, pcc->sticky_mode);
 }
+#endif
 
 static int acpi_pcc_hotkey_add(struct acpi_device *device)
 {
diff --git a/drivers/platform/x86/samsung-laptop.c b/drivers/platform/x86/samsung-laptop.c
index c1ca7bcebb66..dd90d15f5210 100644
--- a/drivers/platform/x86/samsung-laptop.c
+++ b/drivers/platform/x86/samsung-laptop.c
@@ -26,9 +26,7 @@
 #include <linux/seq_file.h>
 #include <linux/debugfs.h>
 #include <linux/ctype.h>
-#ifdef CONFIG_ACPI_VIDEO
 #include <acpi/video.h>
-#endif
 
 /*
  * This driver is needed because a number of Samsung laptops do not hook
@@ -1558,9 +1556,7 @@ static int __init samsung_init(void)
 		samsung->handle_backlight = false;
 	} else if (samsung->quirks->broken_acpi_video) {
 		pr_info("Disabling ACPI video driver\n");
-#ifdef CONFIG_ACPI_VIDEO
 		acpi_video_unregister();
-#endif
 	}
 #endif
 
diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c
index 9363969ad07a..daaddec68def 100644
--- a/drivers/platform/x86/sony-laptop.c
+++ b/drivers/platform/x86/sony-laptop.c
@@ -140,7 +140,10 @@ MODULE_PARM_DESC(kbd_backlight_timeout,
 		 "1 for 30 seconds, 2 for 60 seconds and 3 to disable timeout "
 		 "(default: 0)");
 
+#ifdef CONFIG_PM_SLEEP
 static void sony_nc_kbd_backlight_resume(void);
+static void sony_nc_thermal_resume(void);
+#endif
 static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
 		unsigned int handle);
 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd);
@@ -151,7 +154,6 @@ static void sony_nc_battery_care_cleanup(struct platform_device *pd);
 
 static int sony_nc_thermal_setup(struct platform_device *pd);
 static void sony_nc_thermal_cleanup(struct platform_device *pd);
-static void sony_nc_thermal_resume(void);
 
 static int sony_nc_lid_resume_setup(struct platform_device *pd);
 static void sony_nc_lid_resume_cleanup(struct platform_device *pd);
@@ -1431,6 +1433,7 @@ static void sony_nc_function_cleanup(struct platform_device *pd)
 	sony_nc_handles_cleanup(pd);
 }
 
+#ifdef CONFIG_PM_SLEEP
 static void sony_nc_function_resume(void)
 {
 	unsigned int i, result, bitmask, arg;
@@ -1508,6 +1511,7 @@ static int sony_nc_resume(struct device *dev)
 
 	return 0;
 }
+#endif
 
 static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume);
 
@@ -1872,6 +1876,7 @@ static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd)
 	}
 }
 
+#ifdef CONFIG_PM_SLEEP
 static void sony_nc_kbd_backlight_resume(void)
 {
 	int ignore = 0;
@@ -1888,6 +1893,7 @@ static void sony_nc_kbd_backlight_resume(void)
 				(kbdbl_ctl->base + 0x200) |
 				(kbdbl_ctl->timeout << 0x10), &ignore);
 }
+#endif
 
 struct battery_care_control {
 	struct device_attribute attrs[2];
@@ -2210,6 +2216,7 @@ static void sony_nc_thermal_cleanup(struct platform_device *pd)
 	}
 }
 
+#ifdef CONFIG_PM_SLEEP
 static void sony_nc_thermal_resume(void)
 {
 	unsigned int status = sony_nc_thermal_mode_get();
@@ -2217,6 +2224,7 @@ static void sony_nc_thermal_resume(void)
 	if (status != th_handle->mode)
 		sony_nc_thermal_mode_set(th_handle->mode);
 }
+#endif
 
 /* resume on LID open */
 struct snc_lid_resume_control {
@@ -4287,6 +4295,7 @@ err_free_resources:
 	return result;
 }
 
+#ifdef CONFIG_PM_SLEEP
 static int sony_pic_suspend(struct device *dev)
 {
 	if (sony_pic_disable(to_acpi_device(dev)))
@@ -4300,6 +4309,7 @@ static int sony_pic_resume(struct device *dev)
 			spic_dev.cur_ioport, spic_dev.cur_irq);
 	return 0;
 }
+#endif
 
 static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume);
 
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 06d2502ffb37..9da5fe715e6a 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -545,7 +545,7 @@ TPACPI_HANDLE(hkey, ec, "\\_SB.HKEY",	/* 600e/x, 770e, 770x */
  */
 
 static int acpi_evalf(acpi_handle handle,
-		      void *res, char *method, char *fmt, ...)
+		      int *res, char *method, char *fmt, ...)
 {
 	char *fmt0 = fmt;
 	struct acpi_object_list params;
@@ -606,7 +606,7 @@ static int acpi_evalf(acpi_handle handle,
 		success = (status == AE_OK &&
 			   out_obj.type == ACPI_TYPE_INTEGER);
 		if (success && res)
-			*(int *)res = out_obj.integer.value;
+			*res = out_obj.integer.value;
 		break;
 	case 'v':		/* void */
 		success = status == AE_OK;
@@ -922,6 +922,7 @@ static struct input_dev *tpacpi_inputdev;
 static struct mutex tpacpi_inputdev_send_mutex;
 static LIST_HEAD(tpacpi_all_drivers);
 
+#ifdef CONFIG_PM_SLEEP
 static int tpacpi_suspend_handler(struct device *dev)
 {
 	struct ibm_struct *ibm, *itmp;
@@ -949,6 +950,7 @@ static int tpacpi_resume_handler(struct device *dev)
 
 	return 0;
 }
+#endif
 
 static SIMPLE_DEV_PM_OPS(tpacpi_pm,
 			 tpacpi_suspend_handler, tpacpi_resume_handler);
@@ -7384,17 +7386,18 @@ static int fan_get_status(u8 *status)
 	 * Add TPACPI_FAN_RD_ACPI_FANS ? */
 
 	switch (fan_status_access_mode) {
-	case TPACPI_FAN_RD_ACPI_GFAN:
+	case TPACPI_FAN_RD_ACPI_GFAN: {
 		/* 570, 600e/x, 770e, 770x */
+		int res;
 
-		if (unlikely(!acpi_evalf(gfan_handle, &s, NULL, "d")))
+		if (unlikely(!acpi_evalf(gfan_handle, &res, NULL, "d")))
 			return -EIO;
 
 		if (likely(status))
-			*status = s & 0x07;
+			*status = res & 0x07;
 
 		break;
-
+	}
 	case TPACPI_FAN_RD_TPEC:
 		/* all except 570, 600e/x, 770e, 770x */
 		if (unlikely(!acpi_ec_read(fan_status_offset, &s)))
@@ -8652,6 +8655,13 @@ static int __must_check __init get_thinkpad_model_data(
 		tp->model_str = kstrdup(s, GFP_KERNEL);
 		if (!tp->model_str)
 			return -ENOMEM;
+	} else {
+		s = dmi_get_system_info(DMI_BIOS_VENDOR);
+		if (s && !(strnicmp(s, "Lenovo", 6))) {
+			tp->model_str = kstrdup(s, GFP_KERNEL);
+			if (!tp->model_str)
+				return -ENOMEM;
+		}
 	}
 
 	s = dmi_get_system_info(DMI_PRODUCT_NAME);
diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c
index c13ba5bac93f..5f1256d5e933 100644
--- a/drivers/platform/x86/toshiba_acpi.c
+++ b/drivers/platform/x86/toshiba_acpi.c
@@ -1296,6 +1296,7 @@ static void toshiba_acpi_notify(struct acpi_device *acpi_dev, u32 event)
 	}
 }
 
+#ifdef CONFIG_PM_SLEEP
 static int toshiba_acpi_suspend(struct device *device)
 {
 	struct toshiba_acpi_dev *dev = acpi_driver_data(to_acpi_device(device));
@@ -1317,6 +1318,7 @@ static int toshiba_acpi_resume(struct device *device)
 
 	return 0;
 }
+#endif
 
 static SIMPLE_DEV_PM_OPS(toshiba_acpi_pm,
 			 toshiba_acpi_suspend, toshiba_acpi_resume);
diff --git a/drivers/platform/x86/toshiba_bluetooth.c b/drivers/platform/x86/toshiba_bluetooth.c
index 715a43cb5e3c..5e5d6317d690 100644
--- a/drivers/platform/x86/toshiba_bluetooth.c
+++ b/drivers/platform/x86/toshiba_bluetooth.c
@@ -41,7 +41,9 @@ static const struct acpi_device_id bt_device_ids[] = {
 };
 MODULE_DEVICE_TABLE(acpi, bt_device_ids);
 
+#ifdef CONFIG_PM_SLEEP
 static int toshiba_bt_resume(struct device *dev);
+#endif
 static SIMPLE_DEV_PM_OPS(toshiba_bt_pm, NULL, toshiba_bt_resume);
 
 static struct acpi_driver toshiba_bt_rfkill_driver = {
@@ -90,10 +92,12 @@ static void toshiba_bt_rfkill_notify(struct acpi_device *device, u32 event)
 	toshiba_bluetooth_enable(device->handle);
 }
 
+#ifdef CONFIG_PM_SLEEP
 static int toshiba_bt_resume(struct device *dev)
 {
 	return toshiba_bluetooth_enable(to_acpi_device(dev)->handle);
 }
+#endif
 
 static int toshiba_bt_rfkill_add(struct acpi_device *device)
 {
diff --git a/drivers/platform/x86/xo15-ebook.c b/drivers/platform/x86/xo15-ebook.c
index 849c07c13bf6..38ba39d7ca7d 100644
--- a/drivers/platform/x86/xo15-ebook.c
+++ b/drivers/platform/x86/xo15-ebook.c
@@ -77,10 +77,12 @@ static void ebook_switch_notify(struct acpi_device *device, u32 event)
 	}
 }
 
+#ifdef CONFIG_PM_SLEEP
 static int ebook_switch_resume(struct device *dev)
 {
 	return ebook_send_state(to_acpi_device(dev));
 }
+#endif
 
 static SIMPLE_DEV_PM_OPS(ebook_switch_pm, NULL, ebook_switch_resume);
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-09-28 23:26:21 +0000