36 files changed, 2437 insertions, 2403 deletions

diff --git a/Documentation/ABI/testing/sysfs-driver-samsung-laptop b/Documentation/ABI/testing/sysfs-driver-samsung-laptop
index e82e7c2b8f80..678819a3f8bf 100644
--- a/Documentation/ABI/testing/sysfs-driver-samsung-laptop
+++ b/Documentation/ABI/testing/sysfs-driver-samsung-laptop
@@ -17,3 +17,21 @@ Description:	Some Samsung laptops have different "performance levels"
                 Specifically, not all support the "overclock" option,
                 and it's still unknown if this value even changes
                 anything, other than making the user feel a bit better.
+
+What:           /sys/devices/platform/samsung/battery_life_extender
+Date:           December 1, 2011
+KernelVersion:  3.3
+Contact:        Corentin Chary <corentin.chary@gmail.com>
+Description:    Max battery charge level can be modified, battery cycle
+                life can be extended by reducing the max battery charge
+                level.
+                0 means normal battery mode (100% charge)
+                1 means battery life extender mode (80% charge)
+
+What:           /sys/devices/platform/samsung/usb_charge
+Date:           December 1, 2011
+KernelVersion:  3.3
+Contact:        Corentin Chary <corentin.chary@gmail.com>
+Description:    Use your USB ports to charge devices, even
+                when your laptop is powered off.
+                1 means enabled, 0 means disabled.
diff --git a/Documentation/laptops/asus-laptop.txt b/Documentation/laptops/asus-laptop.txt
index 803e51f6768b..a1e04d679289 100644
--- a/Documentation/laptops/asus-laptop.txt
+++ b/Documentation/laptops/asus-laptop.txt
@@ -45,7 +45,7 @@ Status
 Usage
 -----
 
-  Try "modprobe asus_acpi". Check your dmesg (simply type dmesg). You should
+  Try "modprobe asus-laptop". Check your dmesg (simply type dmesg). You should
   see some lines like this :
 
       Asus Laptop Extras version 0.42
diff --git a/Documentation/laptops/sony-laptop.txt b/Documentation/laptops/sony-laptop.txt
index 2bd4e82e5d9f..0d5ac7f5287e 100644
--- a/Documentation/laptops/sony-laptop.txt
+++ b/Documentation/laptops/sony-laptop.txt
@@ -17,6 +17,11 @@ subsystem. See the logs of acpid or /proc/acpi/event and
 devices are created by the driver. Additionally, loading the driver with the
 debug option will report all events in the kernel log.
 
+The "scancodes" passed to the input system (that can be remapped with udev)
+are indexes to the table "sony_laptop_input_keycode_map" in the sony-laptop.c
+module.  For example the "FN/E" key combination (EJECTCD on some models)
+generates the scancode 20 (0x14).
+
 Backlight control:
 ------------------
 If your laptop model supports it, you will find sysfs files in the
diff --git a/MAINTAINERS b/MAINTAINERS
index 2cce20bbe39c..f9faadef7ab7 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -5776,6 +5776,12 @@ F:	drivers/media/common/saa7146*
 F:      drivers/media/video/*7146*
 F:      include/media/*7146*
 
+SAMSUNG LAPTOP DRIVER
+M:      Corentin Chary <corentincj@iksaif.net>
+L:      platform-driver-x86@vger.kernel.org
+S:      Maintained
+F:      drivers/platform/x86/samsung-laptop.c
+
 SAMSUNG AUDIO (ASoC) DRIVERS
 M:      Sangbeom Kim <sbkim73@samsung.com>
 L:      alsa-devel@alsa-project.org (moderated for non-subscribers)
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 901952355969..3ad653de7100 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -2125,6 +2125,13 @@ config NET5501
         ---help---
           This option enables system support for the Soekris Engineering net5501.
 
+config GEOS
+        bool "Traverse Technologies GEOS System Support (LEDS, GPIO, etc)"
+        select GPIOLIB
+        depends on DMI
+        ---help---
+          This option enables system support for the Traverse Technologies GEOS.
+
 endif # X86_32
 
 config AMD_NB
diff --git a/arch/x86/platform/geode/Makefile b/arch/x86/platform/geode/Makefile
index 246b788847ff..5b51194f4c8d 100644
--- a/arch/x86/platform/geode/Makefile
+++ b/arch/x86/platform/geode/Makefile
@@ -1,2 +1,3 @@
 obj-$(CONFIG_ALIX)              += alix.o
 obj-$(CONFIG_NET5501)           += net5501.o
+obj-$(CONFIG_GEOS)              += geos.o
diff --git a/arch/x86/platform/geode/geos.c b/arch/x86/platform/geode/geos.c
new file mode 100644
index 000000000000..c2e6d53558be
--- /dev/null
+++ b/arch/x86/platform/geode/geos.c
@@ -0,0 +1,128 @@
+/*
+ * System Specific setup for Traverse Technologies GEOS.
+ * At the moment this means setup of GPIO control of LEDs.
+ *
+ * Copyright (C) 2008 Constantin Baranov <const@mimas.ru>
+ * Copyright (C) 2011 Ed Wildgoose <kernel@wildgooses.com>
+ *                and Philip Prindeville <philipp@redfish-solutions.com>
+ *
+ * TODO: There are large similarities with leds-net5501.c
+ * by Alessandro Zummo <a.zummo@towertech.it>
+ * In the future leds-net5501.c should be migrated over to platform
+ *
+ * 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/kernel.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/string.h>
+#include <linux/module.h>
+#include <linux/leds.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <linux/input.h>
+#include <linux/gpio_keys.h>
+#include <linux/dmi.h>
+
+#include <asm/geode.h>
+
+static struct gpio_keys_button geos_gpio_buttons[] = {
+        {
+                .code = KEY_RESTART,
+                .gpio = 3,
+                .active_low = 1,
+                .desc = "Reset button",
+                .type = EV_KEY,
+                .wakeup = 0,
+                .debounce_interval = 100,