Version:  2.0.40 2.2.26 2.4.37 2.6.39 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13 3.14 3.15


  1 #
  2 # X86 Platform Specific Drivers
  3 #
  5 menuconfig X86_PLATFORM_DEVICES
  6         bool "X86 Platform Specific Device Drivers"
  7         default y
  8         depends on X86
  9         ---help---
 10           Say Y here to get to see options for device drivers for various
 11           x86 platforms, including vendor-specific laptop extension drivers.
 12           This option alone does not add any kernel code.
 14           If you say N, all options in this submenu will be skipped and disabled.
 18 config ACER_WMI
 19         tristate "Acer WMI Laptop Extras"
 20         depends on ACPI
 21         select LEDS_CLASS
 22         select NEW_LEDS
 23         depends on BACKLIGHT_CLASS_DEVICE
 24         depends on SERIO_I8042
 25         depends on INPUT
 26         depends on RFKILL || RFKILL = n
 27         depends on ACPI_WMI
 28         select INPUT_SPARSEKMAP
 29         # Acer WMI depends on ACPI_VIDEO when ACPI is enabled
 30         select ACPI_VIDEO if ACPI
 31         ---help---
 32           This is a driver for newer Acer (and Wistron) laptops. It adds
 33           wireless radio and bluetooth control, and on some laptops,
 34           exposes the mail LED and LCD backlight.
 36           If you have an ACPI-WMI compatible Acer/ Wistron laptop, say Y or M
 37           here.
 39 config ACERHDF
 40         tristate "Acer Aspire One temperature and fan driver"
 41         depends on THERMAL && ACPI
 42         ---help---
 43           This is a driver for Acer Aspire One netbooks. It allows to access
 44           the temperature sensor and to control the fan.
 46           After loading this driver the BIOS is still in control of the fan.
 47           To let the kernel handle the fan, do:
 48           echo -n enabled > /sys/class/thermal/thermal_zone0/mode
 50           For more information about this driver see
 51           <>
 53           If you have an Acer Aspire One netbook, say Y or M
 54           here.
 56 config ALIENWARE_WMI
 57         tristate "Alienware Special feature control"
 58         depends on ACPI
 59         depends on LEDS_CLASS
 60         depends on NEW_LEDS
 61         depends on ACPI_WMI
 62         ---help---
 63          This is a driver for controlling Alienware BIOS driven
 64          features.  It exposes an interface for controlling the AlienFX
 65          zones on Alienware machines that don't contain a dedicated AlienFX
 66          USB MCU such as the X51 and X51-R2.
 68 config ASUS_LAPTOP
 69         tristate "Asus Laptop Extras"
 70         depends on ACPI
 71         select LEDS_CLASS
 72         select NEW_LEDS
 73         select BACKLIGHT_CLASS_DEVICE
 74         depends on INPUT
 75         depends on RFKILL || RFKILL = n
 76         select INPUT_SPARSEKMAP
 77         select INPUT_POLLDEV
 78         ---help---
 79           This is a driver for Asus laptops, Lenovo SL and the Pegatron
 80           Lucid tablet. It may also support some MEDION, JVC or VICTOR
 81           laptops. It makes all the extra buttons generate standard
 82           ACPI events and input events, and on the Lucid the built-in
 83           accelerometer appears as an input device.  It also adds
 84           support for video output switching, LCD backlight control,
 85           Bluetooth and Wlan control, and most importantly, allows you
 86           to blink those fancy LEDs.
 88           For more information see <>.
 90           If you have an ACPI-compatible ASUS laptop, say Y or M here.
 92 config DELL_LAPTOP
 93         tristate "Dell Laptop Extras"
 94         depends on X86
 95         depends on DCDBAS
 96         depends on BACKLIGHT_CLASS_DEVICE
 97         depends on RFKILL || RFKILL = n
 98         depends on SERIO_I8042
 99         select POWER_SUPPLY
100         select LEDS_CLASS
101         select NEW_LEDS
102         default n
103         ---help---
104         This driver adds support for rfkill and backlight control to Dell
105         laptops.
107 config DELL_WMI
108         tristate "Dell WMI extras"
109         depends on ACPI_WMI
110         depends on INPUT
111         select INPUT_SPARSEKMAP
112         ---help---
113           Say Y here if you want to support WMI-based hotkeys on Dell laptops.
115           To compile this driver as a module, choose M here: the module will
116           be called dell-wmi.
118 config DELL_WMI_AIO
119         tristate "WMI Hotkeys for Dell All-In-One series"
120         depends on ACPI_WMI
121         depends on INPUT
122         select INPUT_SPARSEKMAP
123         ---help---
124           Say Y here if you want to support WMI-based hotkeys on Dell
125           All-In-One machines.
127           To compile this driver as a module, choose M here: the module will
128           be called dell-wmi-aio.
132         tristate "Fujitsu Laptop Extras"
133         depends on ACPI
134         depends on INPUT
135         depends on BACKLIGHT_CLASS_DEVICE
136         depends on LEDS_CLASS || LEDS_CLASS=n
137         ---help---
138           This is a driver for laptops built by Fujitsu:
140             * P2xxx/P5xxx/S6xxx/S7xxx series Lifebooks
141             * Possibly other Fujitsu laptop models
142             * Tested with S6410 and S7020
144           It adds support for LCD brightness control and some hotkeys.
146           If you have a Fujitsu laptop, say Y or M here.
149         bool "Verbose debug mode for Fujitsu Laptop Extras"
150         depends on FUJITSU_LAPTOP
151         default n
152         ---help---
153           Enables extra debug output from the fujitsu extras driver, at the
154           expense of a slight increase in driver size.
156           If you are not sure, say N here.
159        tristate "Fujitsu Tablet Extras"
160        depends on ACPI
161        depends on INPUT
162        ---help---
163          This is a driver for tablets built by Fujitsu:
165            * Lifebook P1510/P1610/P1620/Txxxx
166            * Stylistic ST5xxx
167            * Possibly other Fujitsu tablet models
169          It adds support for the panel buttons, docking station detection,
170          tablet/notebook mode detection for convertible and
171          orientation detection for docked slates.
173          If you have a Fujitsu convertible or slate, say Y or M here.
175 config AMILO_RFKILL
176         tristate "Fujitsu-Siemens Amilo rfkill support"
177         depends on RFKILL
178         depends on SERIO_I8042
179         ---help---
180           This is a driver for enabling wifi on some Fujitsu-Siemens Amilo
181           laptops.
183 config TC1100_WMI
184         tristate "HP Compaq TC1100 Tablet WMI Extras"
185         depends on !X86_64
186         depends on ACPI
187         depends on ACPI_WMI
188         ---help---
189           This is a driver for the WMI extensions (wireless and bluetooth power
190           control) of the HP Compaq TC1100 tablet.
192 config HP_ACCEL
193         tristate "HP laptop accelerometer"
194         depends on INPUT && ACPI
195         select SENSORS_LIS3LV02D
196         select NEW_LEDS
197         select LEDS_CLASS
198         help
199           This driver provides support for the "Mobile Data Protection System 3D"
200           or "3D DriveGuard" feature of HP laptops. On such systems the driver
201           should load automatically (via ACPI alias).
203           Support for a led indicating disk protection will be provided as
204           hp::hddprotect. For more information on the feature, refer to
205           Documentation/misc-devices/lis3lv02d.
207           To compile this driver as a module, choose M here: the module will
208           be called hp_accel.
210 config HP_WIRELESS
211         tristate "HP wireless button"
212         depends on ACPI
213         depends on INPUT
214         help
215          This driver provides supports for new HP wireless button for Windows 8.
216          On such systems the driver should load automatically (via ACPI alias).
218          To compile this driver as a module, choose M here: the module will
219          be called hp-wireless.
221 config HP_WMI
222         tristate "HP WMI extras"
223         depends on ACPI_WMI
224         depends on INPUT
225         depends on RFKILL || RFKILL = n
226         select INPUT_SPARSEKMAP
227         help
228          Say Y here if you want to support WMI-based hotkeys on HP laptops and
229          to read data from WMI such as docking or ambient light sensor state.
231          To compile this driver as a module, choose M here: the module will
232          be called hp-wmi.
234 config MSI_LAPTOP
235         tristate "MSI Laptop Extras"
236         depends on ACPI
237         depends on BACKLIGHT_CLASS_DEVICE
238         depends on RFKILL
239         depends on INPUT && SERIO_I8042
240         select INPUT_SPARSEKMAP
241         ---help---
242           This is a driver for laptops built by MSI (MICRO-STAR
243           INTERNATIONAL):
245           MSI MegaBook S270 (MS-1013)
246           Cytron/TCM/Medion/Tchibo MD96100/SAM2000
248           It adds support for Bluetooth, WLAN and LCD brightness control.
250           More information about this driver is available at
251           <>.
253           If you have an MSI S270 laptop, say Y or M here.
256         tristate "Panasonic Laptop Extras"
257         depends on INPUT && ACPI
258         depends on BACKLIGHT_CLASS_DEVICE
259         select INPUT_SPARSEKMAP
260         ---help---
261           This driver adds support for access to backlight control and hotkeys
262           on Panasonic Let's Note laptops.
264           If you have a Panasonic Let's note laptop (such as the R1(N variant),
265           R2, R3, R5, T2, W2 and Y2 series), say Y.
267 config COMPAL_LAPTOP
268         tristate "Compal Laptop Extras"
269         depends on ACPI
270         depends on BACKLIGHT_CLASS_DEVICE
271         depends on RFKILL
272         depends on HWMON
273         depends on POWER_SUPPLY
274         ---help---
275           This is a driver for laptops built by Compal:
277           Compal FL90/IFL90
278           Compal FL91/IFL91
279           Compal FL92/JFL92
280           Compal FT00/IFT00
282           It adds support for Bluetooth, WLAN and LCD brightness control.
284           If you have an Compal FL9x/IFL9x/FT00 laptop, say Y or M here.
286 config SONY_LAPTOP
287         tristate "Sony Laptop Extras"
288         depends on ACPI
289         select BACKLIGHT_CLASS_DEVICE
290         depends on INPUT
291         depends on RFKILL
292           ---help---
293           This mini-driver drives the SNC and SPIC devices present in the ACPI
294           BIOS of the Sony Vaio laptops.
296           It gives access to some extra laptop functionalities like Bluetooth,
297           screen brightness control, Fn keys and allows powering on/off some
298           devices.
300           Read <file:Documentation/laptops/sony-laptop.txt> for more information.
302 config SONYPI_COMPAT
303         bool "Sonypi compatibility"
304         depends on SONY_LAPTOP
305           ---help---
306           Build the sonypi driver compatibility code into the sony-laptop driver.
309         tristate "Lenovo IdeaPad Laptop Extras"
310         depends on ACPI
311         depends on RFKILL && INPUT
312         depends on SERIO_I8042
313         depends on BACKLIGHT_CLASS_DEVICE
314         select INPUT_SPARSEKMAP
315         help
316           This is a driver for Lenovo IdeaPad netbooks contains drivers for
317           rfkill switch, hotkey, fan control and backlight control.
319 config THINKPAD_ACPI
320         tristate "ThinkPad ACPI Laptop Extras"
321         depends on ACPI
322         depends on INPUT
323         depends on RFKILL || RFKILL = n
324         select BACKLIGHT_LCD_SUPPORT
325         select BACKLIGHT_CLASS_DEVICE
326         select HWMON
327         select NVRAM
328         select NEW_LEDS
329         select LEDS_CLASS
330         ---help---
331           This is a driver for the IBM and Lenovo ThinkPad laptops. It adds
332           support for Fn-Fx key combinations, Bluetooth control, video
333           output switching, ThinkLight control, UltraBay eject and more.
334           For more information about this driver see
335           <file:Documentation/laptops/thinkpad-acpi.txt> and
336           <> .
338           This driver was formerly known as ibm-acpi.
340           Extra functionality will be available if the rfkill (CONFIG_RFKILL)
341           and/or ALSA (CONFIG_SND) subsystems are available in the kernel.
342           Note that if you want ThinkPad-ACPI to be built-in instead of
343           modular, ALSA and rfkill will also have to be built-in.
345           If you have an IBM or Lenovo ThinkPad laptop, say Y or M here.
348         bool "Console audio control ALSA interface"
349         depends on THINKPAD_ACPI
350         depends on SND
351         depends on SND = y || THINKPAD_ACPI = SND
352         default y
353         ---help---
354           Enables monitoring of the built-in console audio output control
355           (headphone and speakers), which is operated by the mute and (in
356           some ThinkPad models) volume hotkeys.
358           If this option is enabled, ThinkPad-ACPI will export an ALSA card
359           with a single read-only mixer control, which should be used for
360           on-screen-display feedback purposes by the Desktop Environment.
362           Optionally, the driver will also allow software control (the
363           ALSA mixer will be made read-write).  Please refer to the driver
364           documentation for details.
366           All IBM models have both volume and mute control.  Newer Lenovo
367           models only have mute control (the volume hotkeys are just normal
368           keys and volume control is done through the main HDA mixer).
371         bool "Maintainer debug facilities"
372         depends on THINKPAD_ACPI
373         default n
374         ---help---
375           Enables extra stuff in the thinkpad-acpi which is completely useless
376           for normal use.  Read the driver source to find out what it does.
378           Say N here, unless you were told by a kernel maintainer to do
379           otherwise.
382         bool "Verbose debug mode"
383         depends on THINKPAD_ACPI
384         default n
385         ---help---
386           Enables extra debugging information, at the expense of a slightly
387           increase in driver size.
389           If you are not sure, say N here.
392         bool "Allow control of important LEDs (unsafe)"
393         depends on THINKPAD_ACPI
394         default n
395         ---help---
396           Overriding LED state on ThinkPads can mask important
397           firmware alerts (like critical battery condition), or misled
398           the user into damaging the hardware (undocking or ejecting
399           the bay while buses are still active), etc.
401           LED control on the ThinkPad is write-only (with very few
402           exceptions on very ancient models), which makes it
403           impossible to know beforehand if important information will
404           be lost when one changes LED state.
406           Users that know what they are doing can enable this option
407           and the driver will allow control of every LED, including
408           the ones on the dock stations.
410           Never enable this option on a distribution kernel.
412           Say N here, unless you are building a kernel for your own
413           use, and need to control the important firmware LEDs.
416         bool "Video output control support"
417         depends on THINKPAD_ACPI
418         default y
419         ---help---
420           Allows the thinkpad_acpi driver to provide an interface to control
421           the various video output ports.
423           This feature often won't work well, depending on ThinkPad model,
424           display state, video output devices in use, whether there is a X
425           server running, phase of the moon, and the current mood of
426           Schroedinger's cat.  If you can use's RandR to control
427           your ThinkPad's video output ports instead of this feature,
428           don't think twice: do it and say N here to save memory and avoid
429           bad interactions with
431           NOTE: access to this feature is limited to processes with the
432           CAP_SYS_ADMIN capability, to avoid local DoS issues in platforms
433           where it interacts badly with
435           If you are not sure, say Y here but do try to check if you could
436           be using RandR instead.
439         bool "Support NVRAM polling for hot keys"
440         depends on THINKPAD_ACPI
441         default y
442         ---help---
443           Some thinkpad models benefit from NVRAM polling to detect a few of
444           the hot key press events.  If you know your ThinkPad model does not
445           need to do NVRAM polling to support any of the hot keys you use,
446           unselecting this option will save about 1kB of memory.
448           ThinkPads T40 and newer, R52 and newer, and X31 and newer are
449           unlikely to need NVRAM polling in their latest BIOS versions.
451           NVRAM polling can detect at most the following keys: ThinkPad/Access
452           IBM, Zoom, Switch Display (fn+F7), ThinkLight, Volume up/down/mute,
453           Brightness up/down, Display Expand (fn+F8), Hibernate (fn+F12).
455           If you are not sure, say Y here.  The driver enables polling only if
456           it is strictly necessary to do so.
458 config SENSORS_HDAPS
459         tristate "Thinkpad Hard Drive Active Protection System (hdaps)"
460         depends on INPUT && X86
461         select INPUT_POLLDEV
462         default n
463         help
464           This driver provides support for the IBM Hard Drive Active Protection
465           System (hdaps), which provides an accelerometer and other misc. data.
466           ThinkPads starting with the R50, T41, and X40 are supported.  The
467           accelerometer data is readable via sysfs.
469           This driver also provides an absolute input class device, allowing
470           the laptop to act as a pinball machine-esque joystick.
472           If your ThinkPad is not recognized by the driver, please update to latest
473           BIOS. This is especially the case for some R52 ThinkPads.
475           Say Y here if you have an applicable laptop and want to experience
476           the awesome power of hdaps.
478 config INTEL_MENLOW
479         tristate "Thermal Management driver for Intel menlow platform"
480         depends on ACPI_THERMAL
481         select THERMAL
482         ---help---
483           ACPI thermal management enhancement driver on
484           Intel Menlow platform.
486           If unsure, say N.
488 config EEEPC_LAPTOP
489         tristate "Eee PC Hotkey Driver"
490         depends on ACPI
491         depends on INPUT
492         depends on RFKILL || RFKILL = n
493         depends on HOTPLUG_PCI
494         select BACKLIGHT_CLASS_DEVICE
495         select HWMON
496         select LEDS_CLASS
497         select NEW_LEDS
498         select INPUT_SPARSEKMAP
499         ---help---
500           This driver supports the Fn-Fx keys on Eee PC laptops.
502           It  also gives access to some extra laptop functionalities like
503           Bluetooth, backlight and allows powering on/off some other
504           devices.
506           If you have an Eee PC laptop, say Y or M here. If this driver
507           doesn't work on your Eee PC, try eeepc-wmi instead.
509 config ASUS_WMI
510         tristate "ASUS WMI Driver"
511         depends on ACPI_WMI
512         depends on INPUT
513         depends on HWMON
514         depends on BACKLIGHT_CLASS_DEVICE
515         depends on RFKILL || RFKILL = n
516         depends on HOTPLUG_PCI
517         depends on ACPI_VIDEO || ACPI_VIDEO = n
518         select INPUT_SPARSEKMAP
519         select LEDS_CLASS
520         select NEW_LEDS
521         ---help---
522           Say Y here if you have a WMI aware Asus laptop (like Eee PCs or new
523           Asus Notebooks).
525           To compile this driver as a module, choose M here: the module will
526           be called asus-wmi.
528 config ASUS_NB_WMI
529         tristate "Asus Notebook WMI Driver"
530         depends on ASUS_WMI
531         ---help---
532           This is a driver for newer Asus notebooks. It adds extra features
533           like wireless radio and bluetooth control, leds, hotkeys, backlight...
535           For more informations, see
536           <file:Documentation/ABI/testing/sysfs-platform-asus-wmi>
538           If you have an ACPI-WMI compatible Asus Notebook, say Y or M
539           here.
541 config EEEPC_WMI
542         tristate "Eee PC WMI Driver"
543         depends on ASUS_WMI
544         ---help---
545           This is a driver for newer Eee PC laptops. It adds extra features
546           like wireless radio and bluetooth control, leds, hotkeys, backlight...
548           For more informations, see
549           <file:Documentation/ABI/testing/sysfs-platform-asus-wmi>
551           If you have an ACPI-WMI compatible Eee PC laptop (>= 1000), say Y or M
552           here.
554 config ACPI_WMI
555         tristate "WMI"
556         depends on ACPI
557         help
558           This driver adds support for the ACPI-WMI (Windows Management
559           Instrumentation) mapper device (PNP0C14) found on some systems.
561           ACPI-WMI is a proprietary extension to ACPI to expose parts of the
562           ACPI firmware to userspace - this is done through various vendor
563           defined methods and data blocks in a PNP0C14 device, which are then
564           made available for userspace to call.
566           The implementation of this in Linux currently only exposes this to
567           other kernel space drivers.
569           This driver is a required dependency to build the firmware specific
570           drivers needed on many machines, including Acer and HP laptops.
572           It is safe to enable this driver even if your DSDT doesn't define
573           any ACPI-WMI devices.
575 config MSI_WMI
576         tristate "MSI WMI extras"
577         depends on ACPI_WMI
578         depends on INPUT
579         depends on BACKLIGHT_CLASS_DEVICE
580         select INPUT_SPARSEKMAP
581         help
582          Say Y here if you want to support WMI-based hotkeys on MSI laptops.
584          To compile this driver as a module, choose M here: the module will
585          be called msi-wmi.
588         tristate "Topstar Laptop Extras"
589         depends on ACPI
590         depends on INPUT
591         select INPUT_SPARSEKMAP
592         ---help---
593           This driver adds support for hotkeys found on Topstar laptops.
595           If you have a Topstar laptop, say Y or M here.
597 config ACPI_TOSHIBA
598         tristate "Toshiba Laptop Extras"
599         depends on ACPI
600         depends on ACPI_WMI
601         select LEDS_CLASS
602         select NEW_LEDS
603         depends on BACKLIGHT_CLASS_DEVICE
604         depends on INPUT
605         depends on RFKILL || RFKILL = n
606         depends on SERIO_I8042 || SERIO_I8042 = n
607         select INPUT_POLLDEV
608         select INPUT_SPARSEKMAP
609         ---help---
610           This driver adds support for access to certain system settings
611           on "legacy free" Toshiba laptops.  These laptops can be recognized by
612           their lack of a BIOS setup menu and APM support.
614           On these machines, all system configuration is handled through the
615           ACPI.  This driver is required for access to controls not covered
616           by the general ACPI drivers, such as LCD brightness, video output,
617           etc.
619           This driver differs from the non-ACPI Toshiba laptop driver (located
620           under "Processor type and features") in several aspects.
621           Configuration is accessed by reading and writing text files in the
622           /proc tree instead of by program interface to /dev.  Furthermore, no
623           power management functions are exposed, as those are handled by the
624           general ACPI drivers.
626           More information about this driver is available at
627           <>.
629           If you have a legacy free Toshiba laptop (such as the Libretto L1
630           series), say Y.
633         tristate "Toshiba Bluetooth RFKill switch support"
634         depends on ACPI
635         ---help---
636           This driver adds support for Bluetooth events for the RFKill
637           switch on modern Toshiba laptops with full ACPI support and
638           an RFKill switch.
640           This driver handles RFKill events for the TOS6205 Bluetooth,
641           and re-enables it when the switch is set back to the 'on'
642           position.
644           If you have a modern Toshiba laptop with a Bluetooth and an
645           RFKill switch (such as the Portege R500), say Y.
647 config ACPI_CMPC
648         tristate "CMPC Laptop Extras"
649         depends on X86 && ACPI
650         depends on RFKILL || RFKILL=n
651         select INPUT
652         select BACKLIGHT_CLASS_DEVICE
653         default n
654         help
655           Support for Intel Classmate PC ACPI devices, including some
656           keys as input device, backlight device, tablet and accelerometer
657           devices.
659 config INTEL_SCU_IPC
660         bool "Intel SCU IPC Support"
661         depends on X86_INTEL_MID
662         default y
663         ---help---
664           IPC is used to bridge the communications between kernel and SCU on
665           some embedded Intel x86 platforms. This is not needed for PC-type
666           machines.
669         tristate "Intel SCU IPC utility driver"
670         depends on INTEL_SCU_IPC
671         default y
672         ---help---
673           The IPC Util driver provides an interface with the SCU enabling
674           low level access for debug work and updating the firmware. Say
675           N unless you will be doing this on an Intel MID platform.
677 config GPIO_INTEL_PMIC
678         bool "Intel PMIC GPIO support"
679         depends on INTEL_SCU_IPC && GPIOLIB
680         ---help---
681           Say Y here to support GPIO via the SCU IPC interface
682           on Intel MID platforms.
685         tristate "power button driver for Intel MID platforms"
686         depends on INTEL_SCU_IPC && INPUT
687         help
688           This driver handles the power button on the Intel MID platforms.
690           If unsure, say N.
693        tristate "Thermal driver for Intel Medfield platform"
694        depends on MFD_INTEL_MSIC && THERMAL
695        help
696          Say Y here to enable thermal driver support for the  Intel Medfield
697          platform.
699 config INTEL_IPS
700         tristate "Intel Intelligent Power Sharing"
701         depends on ACPI
702         ---help---
703           Intel Calpella platforms support dynamic power sharing between the
704           CPU and GPU, maximizing performance in a given TDP.  This driver,
705           along with the CPU frequency and i915 drivers, provides that
706           functionality.  If in doubt, say Y here; it will only load on
707           supported platforms.
709 config IBM_RTL
710         tristate "Device driver to enable PRTL support"
711         depends on X86 && PCI
712         ---help---
713          Enable support for IBM Premium Real Time Mode (PRTM).
714          This module will allow you the enter and exit PRTM in the BIOS via
715          sysfs on platforms that support this feature.  System in PRTM will
716          not receive CPU-generated SMIs for recoverable errors.  Use of this
717          feature without proper support may void your hardware warranty.
719          If the proper BIOS support is found the driver will load and create
720          /sys/devices/system/ibm_rtl/.  The "state" variable will indicate
721          whether or not the BIOS is in PRTM.
722          state = 0 (BIOS SMIs on)
723          state = 1 (BIOS SMIs off)
725 config XO1_RFKILL
726         tristate "OLPC XO-1 software RF kill switch"
727         depends on OLPC
728         depends on RFKILL
729         ---help---
730           Support for enabling/disabling the WLAN interface on the OLPC XO-1
731           laptop.
733 config XO15_EBOOK
734         tristate "OLPC XO-1.5 ebook switch"
735         depends on ACPI && INPUT
736         ---help---
737           Support for the ebook switch on the OLPC XO-1.5 laptop.
739           This switch is triggered as the screen is rotated and folded down to
740           convert the device into ebook form.
743         tristate "Samsung Laptop driver"
744         depends on X86
745         depends on RFKILL || RFKILL = n
746         depends on ACPI_VIDEO || ACPI_VIDEO = n
747         depends on BACKLIGHT_CLASS_DEVICE
748         select LEDS_CLASS
749         select NEW_LEDS
750         ---help---
751           This module implements a driver for a wide range of different
752           Samsung laptops.  It offers control over the different
753           function keys, wireless LED, LCD backlight level.
755           It may also provide some sysfs files described in
756           <file:Documentation/ABI/testing/sysfs-platform-samsung-laptop>
758           To compile this driver as a module, choose M here: the module
759           will be called samsung-laptop.
761 config MXM_WMI
762        tristate "WMI support for MXM Laptop Graphics"
763        depends on ACPI_WMI
764        ---help---
765           MXM is a standard for laptop graphics cards, the WMI interface
766           is required for switchable nvidia graphics machines
769         tristate "Intel Oaktrail Platform Extras"
770         depends on ACPI
771         depends on RFKILL && BACKLIGHT_CLASS_DEVICE && ACPI
772         ---help---
773           Intel Oaktrail platform need this driver to provide interfaces to
774           enable/disable the Camera, WiFi, BT etc. devices. If in doubt, say Y
775           here; it will only load on supported platforms.
777 config SAMSUNG_Q10
778         tristate "Samsung Q10 Extras"
779         depends on ACPI
780         select BACKLIGHT_CLASS_DEVICE
781         ---help---
782           This driver provides support for backlight control on Samsung Q10
783           and related laptops, including Dell Latitude X200.
785 config APPLE_GMUX
786         tristate "Apple Gmux Driver"
787         depends on ACPI
788         depends on PNP
789         depends on BACKLIGHT_CLASS_DEVICE
790         depends on BACKLIGHT_APPLE=n || BACKLIGHT_APPLE
791         depends on ACPI_VIDEO=n || ACPI_VIDEO
792         ---help---
793           This driver provides support for the gmux device found on many
794           Apple laptops, which controls the display mux for the hybrid
795           graphics as well as the backlight. Currently only backlight
796           control is supported by the driver.
798 config INTEL_RST
799         tristate "Intel Rapid Start Technology Driver"
800         depends on ACPI
801         ---help---
802           This driver provides support for modifying paramaters on systems
803           equipped with Intel's Rapid Start Technology. When put in an ACPI
804           sleep state, these devices will wake after either a configured
805           timeout or when the system battery reaches a critical state,
806           automatically copying memory contents to disk. On resume, the
807           firmware will copy the memory contents back to RAM and resume the OS
808           as usual.
811         tristate "Intel Smart Connect disabling driver"
812         depends on ACPI
813         ---help---
814           Intel Smart Connect is a technology intended to permit devices to
815           update state by resuming for a short period of time at regular
816           intervals. If a user enables this functionality under Windows and
817           then reboots into Linux, the system may remain configured to resume
818           on suspend. In the absence of any userspace to support it, the system
819           will then remain awake until something triggers another suspend.
821           This driver checks to determine whether the device has Intel Smart
822           Connect enabled, and if so disables it.
824 config PVPANIC
825         tristate "pvpanic device support"
826         depends on ACPI
827         ---help---
828           This driver provides support for the pvpanic device.  pvpanic is
829           a paravirtualized device provided by QEMU; it lets a virtual machine
830           (guest) communicate panic events to the host.
832 endif # X86_PLATFORM_DEVICES

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