Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel…

…/git/mjg59/platform-drivers-x86

* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mjg59/platform-drivers-x86: (45 commits)
  compal-laptop: Make it depend on CONFIG_RFKILL
  classmate-laptop: Added some keys present in other devices
  MAINTAINERS: Add git tree to x86 Platform Drivers
  asus-acpi: remove duplicate comparison of asus_model strings
  toshiba-acpi: fix multimedia keys on some machines
  dell-laptop: Fix errors on failure and exit paths
  dell-laptop: Fix build error by making buffer_mutex static
  asus-laptop: fix style problems reported by checkpath.pl
  asus-laptop: use device_create_file() instead of platform_group
  asus-laptop: clean led code
  asus-laptop: add gps rfkill
  asus-laptop: set initial lcd state
  asus-laptop: leds, remove dead code and fix asus_led_exit()/asus_led_init()
  asus-laptop: add backlight changes notifications
  asus-laptop: add bluetooth keys found on M9V
  asus-laptop: switch to sparse keymap library
  asus-laptop: rename wireless_status to wlan_status to avoid confusion
  asus-laptop: add error check for write_acpi_int calls
  asus-laptop: stop using ASUS_HANDLE and use relative methods instead
  asus-laptop: rename function talking directly to acpi with asus_xxx scheme
  ...

Documentation/ABI/testing/sysfs-platform-asus-laptop

@@ -1,4 +1,4 @@
-What:		/sys/devices/platform/asus-laptop/display
+What:		/sys/devices/platform/asus_laptop/display
 Date:		January 2007
 KernelVersion:	2.6.20
 Contact:	"Corentin Chary" <corentincj@iksaif.net>
@@ -13,27 +13,27 @@ Description:
 		Ex: - 0 (0000b) means no display
 		    - 3 (0011b) CRT+LCD.
 
-What:		/sys/devices/platform/asus-laptop/gps
+What:		/sys/devices/platform/asus_laptop/gps
 Date:		January 2007
 KernelVersion:	2.6.20
 Contact:	"Corentin Chary" <corentincj@iksaif.net>
 Description:
 		Control the gps device. 1 means on, 0 means off.
 Users:		Lapsus
 
-What:		/sys/devices/platform/asus-laptop/ledd
+What:		/sys/devices/platform/asus_laptop/ledd
 Date:		January 2007
 KernelVersion:	2.6.20
 Contact:	"Corentin Chary" <corentincj@iksaif.net>
 Description:
 		Some models like the W1N have a LED display that can be
 		used to display several informations.
 		To control the LED display, use the following :
-		    echo 0x0T000DDD > /sys/devices/platform/asus-laptop/
+		    echo 0x0T000DDD > /sys/devices/platform/asus_laptop/
 		where T control the 3 letters display, and DDD the 3 digits display.
 		The DDD table can be found in Documentation/laptops/asus-laptop.txt
 
-What:		/sys/devices/platform/asus-laptop/bluetooth
+What:		/sys/devices/platform/asus_laptop/bluetooth
 Date:		January 2007
 KernelVersion:	2.6.20
 Contact:	"Corentin Chary" <corentincj@iksaif.net>
@@ -42,7 +42,7 @@ Description:
 		This may control the led, the device or both.
 Users:		Lapsus
 
-What:		/sys/devices/platform/asus-laptop/wlan
+What:		/sys/devices/platform/asus_laptop/wlan
 Date:		January 2007
 KernelVersion:	2.6.20
 Contact:	"Corentin Chary" <corentincj@iksaif.net>

Documentation/ABI/testing/sysfs-platform-eeepc-laptop

@@ -1,4 +1,4 @@
-What:		/sys/devices/platform/eeepc-laptop/disp
+What:		/sys/devices/platform/eeepc/disp
 Date:		May 2008
 KernelVersion:	2.6.26
 Contact:	"Corentin Chary" <corentincj@iksaif.net>
@@ -9,21 +9,21 @@ Description:
 		- 3 = LCD+CRT
 		If you run X11, you should use xrandr instead.
 
-What:		/sys/devices/platform/eeepc-laptop/camera
+What:		/sys/devices/platform/eeepc/camera
 Date:		May 2008
 KernelVersion:	2.6.26
 Contact:	"Corentin Chary" <corentincj@iksaif.net>
 Description:
 		Control the camera. 1 means on, 0 means off.
 
-What:		/sys/devices/platform/eeepc-laptop/cardr
+What:		/sys/devices/platform/eeepc/cardr
 Date:		May 2008
 KernelVersion:	2.6.26
 Contact:	"Corentin Chary" <corentincj@iksaif.net>
 Description:
 		Control the card reader. 1 means on, 0 means off.
 
-What:		/sys/devices/platform/eeepc-laptop/cpufv
+What:		/sys/devices/platform/eeepc/cpufv
 Date:		Jun 2009
 KernelVersion:	2.6.31
 Contact:	"Corentin Chary" <corentincj@iksaif.net>
@@ -42,7 +42,7 @@ Description:
 		    `------------ Availables modes
 		For example, 0x301 means: mode 1 selected, 3 available modes.
 
-What:		/sys/devices/platform/eeepc-laptop/available_cpufv
+What:		/sys/devices/platform/eeepc/available_cpufv
 Date:		Jun 2009
 KernelVersion:	2.6.31
 Contact:	"Corentin Chary" <corentincj@iksaif.net>

Documentation/laptops/thinkpad-acpi.txt

@@ -650,6 +650,10 @@ LCD, CRT or DVI (if available). The following commands are available:
 	echo expand_toggle > /proc/acpi/ibm/video
 	echo video_switch > /proc/acpi/ibm/video
 
+NOTE: Access to this feature is restricted to processes owning the
+CAP_SYS_ADMIN capability for safety reasons, as it can interact badly
+enough with some versions of X.org to crash it.
+
 Each video output device can be enabled or disabled individually.
 Reading /proc/acpi/ibm/video shows the status of each device.
 

MAINTAINERS

@@ -6097,6 +6097,7 @@ F:	arch/x86/
 X86 PLATFORM DRIVERS
 M:	Matthew Garrett <mjg@redhat.com>
 L:	platform-driver-x86@vger.kernel.org
+T:      git git://git.kernel.org/pub/scm/linux/kernel/git/mjg59/platform-drivers-x86.git
 S:	Maintained
 F:	drivers/platform/x86
 

drivers/platform/x86/Kconfig

@@ -59,6 +59,8 @@ config ASUS_LAPTOP
 	select NEW_LEDS
 	select BACKLIGHT_CLASS_DEVICE
 	depends on INPUT
+	depends on RFKILL || RFKILL = n
+	select INPUT_SPARSEKMAP
 	---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
@@ -177,6 +179,7 @@ config COMPAL_LAPTOP
 	tristate "Compal Laptop Extras"
 	depends on ACPI
 	depends on BACKLIGHT_CLASS_DEVICE
+	depends on RFKILL
 	---help---
 	  This is a driver for laptops built by Compal:
 
@@ -320,9 +323,15 @@ config THINKPAD_ACPI_VIDEO
 	  server running, phase of the moon, and the current mood of
 	  Schroedinger's cat.  If you can use X.org's RandR to control
 	  your ThinkPad's video output ports instead of this feature,
-	  don't think twice: do it and say N here to save some memory.
+	  don't think twice: do it and say N here to save memory and avoid
+	  bad interactions with X.org.
+
+	  NOTE: access to this feature is limited to processes with the
+	  CAP_SYS_ADMIN capability, to avoid local DoS issues in platforms
+	  where it interacts badly with X.org.
 
-	  If you are not sure, say Y here.
+	  If you are not sure, say Y here but do try to check if you could
+	  be using X.org RandR instead.
 
 config THINKPAD_ACPI_HOTKEY_POLL
 	bool "Support NVRAM polling for hot keys"