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Linux/drivers/platform/x86/Kconfig

  1 #
  2 # X86 Platform Specific Drivers
  3 #
  4 
  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.
 13 
 14           If you say N, all options in this submenu will be skipped and disabled.
 15 
 16 if X86_PLATFORM_DEVICES
 17 
 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.
 35 
 36           If you have an ACPI-WMI compatible Acer/ Wistron laptop, say Y or M
 37           here.
 38 
 39 config ACERHDF
 40         tristate "Acer Aspire One temperature and fan driver"
 41         depends on ACPI && THERMAL
 42         select THERMAL_GOV_BANG_BANG
 43         ---help---
 44           This is a driver for Acer Aspire One netbooks. It allows to access
 45           the temperature sensor and to control the fan.
 46 
 47           After loading this driver the BIOS is still in control of the fan.
 48           To let the kernel handle the fan, do:
 49           echo -n enabled > /sys/class/thermal/thermal_zone0/mode
 50 
 51           For more information about this driver see
 52           <http://piie.net/files/acerhdf_README.txt>
 53 
 54           If you have an Acer Aspire One netbook, say Y or M
 55           here.
 56 
 57 config ALIENWARE_WMI
 58         tristate "Alienware Special feature control"
 59         depends on ACPI
 60         depends on LEDS_CLASS
 61         depends on NEW_LEDS
 62         depends on ACPI_WMI
 63         ---help---
 64          This is a driver for controlling Alienware BIOS driven
 65          features.  It exposes an interface for controlling the AlienFX
 66          zones on Alienware machines that don't contain a dedicated AlienFX
 67          USB MCU such as the X51 and X51-R2.
 68 
 69 config ASUS_LAPTOP
 70         tristate "Asus Laptop Extras"
 71         depends on ACPI
 72         select LEDS_CLASS
 73         select NEW_LEDS
 74         depends on BACKLIGHT_CLASS_DEVICE
 75         depends on INPUT
 76         depends on RFKILL || RFKILL = n
 77         depends on ACPI_VIDEO || ACPI_VIDEO = n
 78         select INPUT_SPARSEKMAP
 79         select INPUT_POLLDEV
 80         ---help---
 81           This is a driver for Asus laptops, Lenovo SL and the Pegatron
 82           Lucid tablet. It may also support some MEDION, JVC or VICTOR
 83           laptops. It makes all the extra buttons generate standard
 84           ACPI events and input events, and on the Lucid the built-in
 85           accelerometer appears as an input device.  It also adds
 86           support for video output switching, LCD backlight control,
 87           Bluetooth and Wlan control, and most importantly, allows you
 88           to blink those fancy LEDs.
 89 
 90           For more information see <http://acpi4asus.sf.net>.
 91 
 92           If you have an ACPI-compatible ASUS laptop, say Y or M here.
 93 
 94 config DELL_LAPTOP
 95         tristate "Dell Laptop Extras"
 96         depends on X86
 97         depends on DCDBAS
 98         depends on BACKLIGHT_CLASS_DEVICE
 99         depends on ACPI_VIDEO || ACPI_VIDEO = n
100         depends on RFKILL || RFKILL = n
101         depends on SERIO_I8042
102         select POWER_SUPPLY
103         select LEDS_CLASS
104         select NEW_LEDS
105         default n
106         ---help---
107         This driver adds support for rfkill and backlight control to Dell
108         laptops (except for some models covered by the Compal driver).
109 
110 config DELL_WMI
111         tristate "Dell WMI extras"
112         depends on ACPI_WMI
113         depends on INPUT
114         depends on ACPI_VIDEO || ACPI_VIDEO = n
115         select INPUT_SPARSEKMAP
116         ---help---
117           Say Y here if you want to support WMI-based hotkeys on Dell laptops.
118 
119           To compile this driver as a module, choose M here: the module will
120           be called dell-wmi.
121 
122 config DELL_WMI_AIO
123         tristate "WMI Hotkeys for Dell All-In-One series"
124         depends on ACPI_WMI
125         depends on INPUT
126         select INPUT_SPARSEKMAP
127         ---help---
128           Say Y here if you want to support WMI-based hotkeys on Dell
129           All-In-One machines.
130 
131           To compile this driver as a module, choose M here: the module will
132           be called dell-wmi-aio.
133 
134 config DELL_SMO8800
135         tristate "Dell Latitude freefall driver (ACPI SMO88XX)"
136         depends on ACPI
137         ---help---
138           Say Y here if you want to support SMO88XX freefall devices
139           on Dell Latitude laptops.
140 
141           To compile this driver as a module, choose M here: the module will
142           be called dell-smo8800.
143 
144 config DELL_RBTN
145         tristate "Dell Airplane Mode Switch driver"
146         depends on ACPI
147         depends on INPUT
148         depends on RFKILL
149         ---help---
150           Say Y here if you want to support Dell Airplane Mode Switch ACPI
151           device on Dell laptops. Sometimes it has names: DELLABCE or DELRBTN.
152           This driver register rfkill device or input hotkey device depending
153           on hardware type (hw switch slider or keyboard toggle button). For
154           rfkill devices it receive HW switch events and set correct hard
155           rfkill state.
156 
157           To compile this driver as a module, choose M here: the module will
158           be called dell-rbtn.
159 
160 
161 config FUJITSU_LAPTOP
162         tristate "Fujitsu Laptop Extras"
163         depends on ACPI
164         depends on INPUT
165         depends on BACKLIGHT_CLASS_DEVICE
166         depends on ACPI_VIDEO || ACPI_VIDEO = n
167         depends on LEDS_CLASS || LEDS_CLASS=n
168         ---help---
169           This is a driver for laptops built by Fujitsu:
170 
171             * P2xxx/P5xxx/S6xxx/S7xxx series Lifebooks
172             * Possibly other Fujitsu laptop models
173             * Tested with S6410 and S7020
174 
175           It adds support for LCD brightness control and some hotkeys.
176 
177           If you have a Fujitsu laptop, say Y or M here.
178 
179 config FUJITSU_LAPTOP_DEBUG
180         bool "Verbose debug mode for Fujitsu Laptop Extras"
181         depends on FUJITSU_LAPTOP
182         default n
183         ---help---
184           Enables extra debug output from the fujitsu extras driver, at the
185           expense of a slight increase in driver size.
186 
187           If you are not sure, say N here.
188 
189 config FUJITSU_TABLET
190        tristate "Fujitsu Tablet Extras"
191        depends on ACPI
192        depends on INPUT
193        ---help---
194          This is a driver for tablets built by Fujitsu:
195 
196            * Lifebook P1510/P1610/P1620/Txxxx
197            * Stylistic ST5xxx
198            * Possibly other Fujitsu tablet models
199 
200          It adds support for the panel buttons, docking station detection,
201          tablet/notebook mode detection for convertible and
202          orientation detection for docked slates.
203 
204          If you have a Fujitsu convertible or slate, say Y or M here.
205 
206 config AMILO_RFKILL
207         tristate "Fujitsu-Siemens Amilo rfkill support"
208         depends on RFKILL
209         depends on SERIO_I8042
210         ---help---
211           This is a driver for enabling wifi on some Fujitsu-Siemens Amilo
212           laptops.
213 
214 config TC1100_WMI
215         tristate "HP Compaq TC1100 Tablet WMI Extras"
216         depends on !X86_64
217         depends on ACPI
218         depends on ACPI_WMI
219         ---help---
220           This is a driver for the WMI extensions (wireless and bluetooth power
221           control) of the HP Compaq TC1100 tablet.
222 
223 config HP_ACCEL
224         tristate "HP laptop accelerometer"
225         depends on INPUT && ACPI
226         depends on SERIO_I8042
227         select SENSORS_LIS3LV02D
228         select NEW_LEDS
229         select LEDS_CLASS
230         help
231           This driver provides support for the "Mobile Data Protection System 3D"
232           or "3D DriveGuard" feature of HP laptops. On such systems the driver
233           should load automatically (via ACPI alias).
234 
235           Support for a led indicating disk protection will be provided as
236           hp::hddprotect. For more information on the feature, refer to
237           Documentation/misc-devices/lis3lv02d.
238 
239           To compile this driver as a module, choose M here: the module will
240           be called hp_accel.
241 
242 config HP_WIRELESS
243         tristate "HP wireless button"
244         depends on ACPI
245         depends on INPUT
246         help
247          This driver provides supports for new HP wireless button for Windows 8.
248          On such systems the driver should load automatically (via ACPI alias).
249 
250          To compile this driver as a module, choose M here: the module will
251          be called hp-wireless.
252 
253 config HP_WMI
254         tristate "HP WMI extras"
255         depends on ACPI_WMI
256         depends on INPUT
257         depends on RFKILL || RFKILL = n
258         select INPUT_SPARSEKMAP
259         help
260          Say Y here if you want to support WMI-based hotkeys on HP laptops and
261          to read data from WMI such as docking or ambient light sensor state.
262 
263          To compile this driver as a module, choose M here: the module will
264          be called hp-wmi.
265 
266 config MSI_LAPTOP
267         tristate "MSI Laptop Extras"
268         depends on ACPI
269         depends on BACKLIGHT_CLASS_DEVICE
270         depends on ACPI_VIDEO || ACPI_VIDEO = n
271         depends on RFKILL
272         depends on INPUT && SERIO_I8042
273         select INPUT_SPARSEKMAP
274         ---help---
275           This is a driver for laptops built by MSI (MICRO-STAR
276           INTERNATIONAL):
277 
278           MSI MegaBook S270 (MS-1013)
279           Cytron/TCM/Medion/Tchibo MD96100/SAM2000
280 
281           It adds support for Bluetooth, WLAN and LCD brightness control.
282 
283           More information about this driver is available at
284           <http://0pointer.de/lennart/tchibo.html>.
285 
286           If you have an MSI S270 laptop, say Y or M here.
287 
288 config PANASONIC_LAPTOP
289         tristate "Panasonic Laptop Extras"
290         depends on INPUT && ACPI
291         depends on BACKLIGHT_CLASS_DEVICE
292         select INPUT_SPARSEKMAP
293         ---help---
294           This driver adds support for access to backlight control and hotkeys
295           on Panasonic Let's Note laptops.
296 
297           If you have a Panasonic Let's note laptop (such as the R1(N variant),
298           R2, R3, R5, T2, W2 and Y2 series), say Y.
299 
300 config COMPAL_LAPTOP
301         tristate "Compal (and others) Laptop Extras"
302         depends on ACPI
303         depends on BACKLIGHT_CLASS_DEVICE
304         depends on ACPI_VIDEO || ACPI_VIDEO = n
305         depends on RFKILL
306         depends on HWMON
307         depends on POWER_SUPPLY
308         ---help---
309           This is a driver for laptops built by Compal, and some models by
310           other brands (e.g. Dell, Toshiba).
311 
312           It adds support for rfkill, Bluetooth, WLAN, LCD brightness, hwmon
313           and battery charging level control.
314 
315           For a (possibly incomplete) list of supported laptops, please refer
316           to: Documentation/platform/x86-laptop-drivers.txt
317 
318 config SONY_LAPTOP
319         tristate "Sony Laptop Extras"
320         depends on ACPI
321         depends on ACPI_VIDEO || ACPI_VIDEO = n
322         depends on BACKLIGHT_CLASS_DEVICE
323         depends on INPUT
324         depends on RFKILL
325           ---help---
326           This mini-driver drives the SNC and SPIC devices present in the ACPI
327           BIOS of the Sony Vaio laptops.
328 
329           It gives access to some extra laptop functionalities like Bluetooth,
330           screen brightness control, Fn keys and allows powering on/off some
331           devices.
332 
333           Read <file:Documentation/laptops/sony-laptop.txt> for more information.
334 
335 config SONYPI_COMPAT
336         bool "Sonypi compatibility"
337         depends on SONY_LAPTOP
338           ---help---
339           Build the sonypi driver compatibility code into the sony-laptop driver.
340 
341 config IDEAPAD_LAPTOP
342         tristate "Lenovo IdeaPad Laptop Extras"
343         depends on ACPI
344         depends on RFKILL && INPUT
345         depends on SERIO_I8042
346         depends on BACKLIGHT_CLASS_DEVICE
347         depends on ACPI_VIDEO || ACPI_VIDEO = n
348         depends on ACPI_WMI || ACPI_WMI = n
349         select INPUT_SPARSEKMAP
350         help
351           This is a driver for Lenovo IdeaPad netbooks contains drivers for
352           rfkill switch, hotkey, fan control and backlight control.
353 
354 config THINKPAD_ACPI
355         tristate "ThinkPad ACPI Laptop Extras"
356         depends on ACPI
357         depends on INPUT
358         depends on RFKILL || RFKILL = n
359         depends on ACPI_VIDEO || ACPI_VIDEO = n
360         depends on BACKLIGHT_CLASS_DEVICE
361         select HWMON
362         select NVRAM
363         select NEW_LEDS
364         select LEDS_CLASS
365         ---help---
366           This is a driver for the IBM and Lenovo ThinkPad laptops. It adds
367           support for Fn-Fx key combinations, Bluetooth control, video
368           output switching, ThinkLight control, UltraBay eject and more.
369           For more information about this driver see
370           <file:Documentation/laptops/thinkpad-acpi.txt> and
371           <http://ibm-acpi.sf.net/> .
372 
373           This driver was formerly known as ibm-acpi.
374 
375           Extra functionality will be available if the rfkill (CONFIG_RFKILL)
376           and/or ALSA (CONFIG_SND) subsystems are available in the kernel.
377           Note that if you want ThinkPad-ACPI to be built-in instead of
378           modular, ALSA and rfkill will also have to be built-in.
379 
380           If you have an IBM or Lenovo ThinkPad laptop, say Y or M here.
381 
382 config THINKPAD_ACPI_ALSA_SUPPORT
383         bool "Console audio control ALSA interface"
384         depends on THINKPAD_ACPI
385         depends on SND
386         depends on SND = y || THINKPAD_ACPI = SND
387         default y
388         ---help---
389           Enables monitoring of the built-in console audio output control
390           (headphone and speakers), which is operated by the mute and (in
391           some ThinkPad models) volume hotkeys.
392 
393           If this option is enabled, ThinkPad-ACPI will export an ALSA card
394           with a single read-only mixer control, which should be used for
395           on-screen-display feedback purposes by the Desktop Environment.
396 
397           Optionally, the driver will also allow software control (the
398           ALSA mixer will be made read-write).  Please refer to the driver
399           documentation for details.
400 
401           All IBM models have both volume and mute control.  Newer Lenovo
402           models only have mute control (the volume hotkeys are just normal
403           keys and volume control is done through the main HDA mixer).
404 
405 config THINKPAD_ACPI_DEBUGFACILITIES
406         bool "Maintainer debug facilities"
407         depends on THINKPAD_ACPI
408         default n
409         ---help---
410           Enables extra stuff in the thinkpad-acpi which is completely useless
411           for normal use.  Read the driver source to find out what it does.
412 
413           Say N here, unless you were told by a kernel maintainer to do
414           otherwise.
415 
416 config THINKPAD_ACPI_DEBUG
417         bool "Verbose debug mode"
418         depends on THINKPAD_ACPI
419         default n
420         ---help---
421           Enables extra debugging information, at the expense of a slightly
422           increase in driver size.
423 
424           If you are not sure, say N here.
425 
426 config THINKPAD_ACPI_UNSAFE_LEDS
427         bool "Allow control of important LEDs (unsafe)"
428         depends on THINKPAD_ACPI
429         default n
430         ---help---
431           Overriding LED state on ThinkPads can mask important
432           firmware alerts (like critical battery condition), or misled
433           the user into damaging the hardware (undocking or ejecting
434           the bay while buses are still active), etc.
435 
436           LED control on the ThinkPad is write-only (with very few
437           exceptions on very ancient models), which makes it
438           impossible to know beforehand if important information will
439           be lost when one changes LED state.
440 
441           Users that know what they are doing can enable this option
442           and the driver will allow control of every LED, including
443           the ones on the dock stations.
444 
445           Never enable this option on a distribution kernel.
446 
447           Say N here, unless you are building a kernel for your own
448           use, and need to control the important firmware LEDs.
449 
450 config THINKPAD_ACPI_VIDEO
451         bool "Video output control support"
452         depends on THINKPAD_ACPI
453         default y
454         ---help---
455           Allows the thinkpad_acpi driver to provide an interface to control
456           the various video output ports.
457 
458           This feature often won't work well, depending on ThinkPad model,
459           display state, video output devices in use, whether there is a X
460           server running, phase of the moon, and the current mood of
461           Schroedinger's cat.  If you can use X.org's RandR to control
462           your ThinkPad's video output ports instead of this feature,
463           don't think twice: do it and say N here to save memory and avoid
464           bad interactions with X.org.
465 
466           NOTE: access to this feature is limited to processes with the
467           CAP_SYS_ADMIN capability, to avoid local DoS issues in platforms
468           where it interacts badly with X.org.
469 
470           If you are not sure, say Y here but do try to check if you could
471           be using X.org RandR instead.
472 
473 config THINKPAD_ACPI_HOTKEY_POLL
474         bool "Support NVRAM polling for hot keys"
475         depends on THINKPAD_ACPI
476         default y
477         ---help---
478           Some thinkpad models benefit from NVRAM polling to detect a few of
479           the hot key press events.  If you know your ThinkPad model does not
480           need to do NVRAM polling to support any of the hot keys you use,
481           unselecting this option will save about 1kB of memory.
482 
483           ThinkPads T40 and newer, R52 and newer, and X31 and newer are
484           unlikely to need NVRAM polling in their latest BIOS versions.
485 
486           NVRAM polling can detect at most the following keys: ThinkPad/Access
487           IBM, Zoom, Switch Display (fn+F7), ThinkLight, Volume up/down/mute,
488           Brightness up/down, Display Expand (fn+F8), Hibernate (fn+F12).
489 
490           If you are not sure, say Y here.  The driver enables polling only if
491           it is strictly necessary to do so.
492 
493 config SENSORS_HDAPS
494         tristate "Thinkpad Hard Drive Active Protection System (hdaps)"
495         depends on INPUT && X86
496         select INPUT_POLLDEV
497         default n
498         help
499           This driver provides support for the IBM Hard Drive Active Protection
500           System (hdaps), which provides an accelerometer and other misc. data.
501           ThinkPads starting with the R50, T41, and X40 are supported.  The
502           accelerometer data is readable via sysfs.
503 
504           This driver also provides an absolute input class device, allowing
505           the laptop to act as a pinball machine-esque joystick.
506 
507           If your ThinkPad is not recognized by the driver, please update to latest
508           BIOS. This is especially the case for some R52 ThinkPads.
509 
510           Say Y here if you have an applicable laptop and want to experience
511           the awesome power of hdaps.
512 
513 config INTEL_MENLOW
514         tristate "Thermal Management driver for Intel menlow platform"
515         depends on ACPI_THERMAL
516         select THERMAL
517         ---help---
518           ACPI thermal management enhancement driver on
519           Intel Menlow platform.
520 
521           If unsure, say N.
522 
523 config EEEPC_LAPTOP
524         tristate "Eee PC Hotkey Driver"
525         depends on ACPI
526         depends on INPUT
527         depends on RFKILL || RFKILL = n
528         depends on ACPI_VIDEO || ACPI_VIDEO = n
529         depends on HOTPLUG_PCI
530         depends on BACKLIGHT_CLASS_DEVICE
531         select HWMON
532         select LEDS_CLASS
533         select NEW_LEDS
534         select INPUT_SPARSEKMAP
535         ---help---
536           This driver supports the Fn-Fx keys on Eee PC laptops.
537 
538           It  also gives access to some extra laptop functionalities like
539           Bluetooth, backlight and allows powering on/off some other
540           devices.
541 
542           If you have an Eee PC laptop, say Y or M here. If this driver
543           doesn't work on your Eee PC, try eeepc-wmi instead.
544 
545 config ASUS_WMI
546         tristate "ASUS WMI Driver"
547         depends on ACPI_WMI
548         depends on INPUT
549         depends on HWMON
550         depends on BACKLIGHT_CLASS_DEVICE
551         depends on RFKILL || RFKILL = n
552         depends on HOTPLUG_PCI
553         depends on ACPI_VIDEO || ACPI_VIDEO = n
554         select INPUT_SPARSEKMAP
555         select LEDS_CLASS
556         select NEW_LEDS
557         ---help---
558           Say Y here if you have a WMI aware Asus laptop (like Eee PCs or new
559           Asus Notebooks).
560 
561           To compile this driver as a module, choose M here: the module will
562           be called asus-wmi.
563 
564 config ASUS_NB_WMI
565         tristate "Asus Notebook WMI Driver"
566         depends on ASUS_WMI
567         ---help---
568           This is a driver for newer Asus notebooks. It adds extra features
569           like wireless radio and bluetooth control, leds, hotkeys, backlight...
570 
571           For more information, see
572           <file:Documentation/ABI/testing/sysfs-platform-asus-wmi>
573 
574           If you have an ACPI-WMI compatible Asus Notebook, say Y or M
575           here.
576 
577 config EEEPC_WMI
578         tristate "Eee PC WMI Driver"
579         depends on ASUS_WMI
580         ---help---
581           This is a driver for newer Eee PC laptops. It adds extra features
582           like wireless radio and bluetooth control, leds, hotkeys, backlight...
583 
584           For more information, see
585           <file:Documentation/ABI/testing/sysfs-platform-asus-wmi>
586 
587           If you have an ACPI-WMI compatible Eee PC laptop (>= 1000), say Y or M
588           here.
589 
590 config ACPI_WMI
591         tristate "WMI"
592         depends on ACPI
593         help
594           This driver adds support for the ACPI-WMI (Windows Management
595           Instrumentation) mapper device (PNP0C14) found on some systems.
596 
597           ACPI-WMI is a proprietary extension to ACPI to expose parts of the
598           ACPI firmware to userspace - this is done through various vendor
599           defined methods and data blocks in a PNP0C14 device, which are then
600           made available for userspace to call.
601 
602           The implementation of this in Linux currently only exposes this to
603           other kernel space drivers.
604 
605           This driver is a required dependency to build the firmware specific
606           drivers needed on many machines, including Acer and HP laptops.
607 
608           It is safe to enable this driver even if your DSDT doesn't define
609           any ACPI-WMI devices.
610 
611 config MSI_WMI
612         tristate "MSI WMI extras"
613         depends on ACPI_WMI
614         depends on INPUT
615         depends on BACKLIGHT_CLASS_DEVICE
616         depends on ACPI_VIDEO || ACPI_VIDEO = n
617         select INPUT_SPARSEKMAP
618         help
619          Say Y here if you want to support WMI-based hotkeys on MSI laptops.
620 
621          To compile this driver as a module, choose M here: the module will
622          be called msi-wmi.
623 
624 config TOPSTAR_LAPTOP
625         tristate "Topstar Laptop Extras"
626         depends on ACPI
627         depends on INPUT
628         select INPUT_SPARSEKMAP
629         ---help---
630           This driver adds support for hotkeys found on Topstar laptops.
631 
632           If you have a Topstar laptop, say Y or M here.
633 
634 config ACPI_TOSHIBA
635         tristate "Toshiba Laptop Extras"
636         depends on ACPI
637         depends on ACPI_WMI
638         select LEDS_CLASS
639         select NEW_LEDS
640         depends on BACKLIGHT_CLASS_DEVICE
641         depends on INPUT
642         depends on SERIO_I8042 || SERIO_I8042 = n
643         depends on ACPI_VIDEO || ACPI_VIDEO = n
644         select INPUT_POLLDEV
645         select INPUT_SPARSEKMAP
646         ---help---
647           This driver adds support for access to certain system settings
648           on "legacy free" Toshiba laptops.  These laptops can be recognized by
649           their lack of a BIOS setup menu and APM support.
650 
651           On these machines, all system configuration is handled through the
652           ACPI.  This driver is required for access to controls not covered
653           by the general ACPI drivers, such as LCD brightness, video output,
654           etc.
655 
656           This driver differs from the non-ACPI Toshiba laptop driver (located
657           under "Processor type and features") in several aspects.
658           Configuration is accessed by reading and writing text files in the
659           /proc tree instead of by program interface to /dev.  Furthermore, no
660           power management functions are exposed, as those are handled by the
661           general ACPI drivers.
662 
663           More information about this driver is available at
664           <http://memebeam.org/toys/ToshibaAcpiDriver>.
665 
666           If you have a legacy free Toshiba laptop (such as the Libretto L1
667           series), say Y.
668 
669 config TOSHIBA_BT_RFKILL
670         tristate "Toshiba Bluetooth RFKill switch support"
671         depends on ACPI
672         depends on RFKILL || RFKILL = n
673         ---help---
674           This driver adds support for Bluetooth events for the RFKill
675           switch on modern Toshiba laptops with full ACPI support and
676           an RFKill switch.
677 
678           This driver handles RFKill events for the TOS6205 Bluetooth,
679           and re-enables it when the switch is set back to the 'on'
680           position.
681 
682           If you have a modern Toshiba laptop with a Bluetooth and an
683           RFKill switch (such as the Portege R500), say Y.
684 
685 config TOSHIBA_HAPS
686         tristate "Toshiba HDD Active Protection Sensor"
687         depends on ACPI
688         ---help---
689           This driver adds support for the built-in accelerometer
690           found on recent Toshiba laptops equipped with HID TOS620A
691           device.
692 
693           This driver receives ACPI notify events 0x80 when the sensor
694           detects a sudden move or a harsh vibration, as well as an
695           ACPI notify event 0x81 whenever the movement or vibration has
696           been stabilized.
697 
698           Also provides sysfs entries to get/set the desired protection
699           level and resetting the HDD protection interface.
700 
701           If you have a recent Toshiba laptop with a built-in accelerometer
702           device, say Y.
703 
704 config TOSHIBA_WMI
705         tristate "Toshiba WMI Hotkeys Driver (EXPERIMENTAL)"
706         default n
707         depends on ACPI_WMI
708         depends on INPUT
709         select INPUT_SPARSEKMAP
710         ---help---
711           This driver adds hotkey monitoring support to some Toshiba models
712           that manage the hotkeys via WMI events.
713 
714           WARNING: This driver is incomplete as it lacks a proper keymap and the
715           *notify function only prints the ACPI event type value. Be warned that
716           you will need to provide some information if you have a Toshiba model
717           with WMI event hotkeys and want to help with the develpment of this
718           driver.
719 
720           If you have a WMI-based hotkeys Toshiba laptop, say Y or M here.
721 
722 config ACPI_CMPC
723         tristate "CMPC Laptop Extras"
724         depends on X86 && ACPI
725         depends on RFKILL || RFKILL=n
726         select INPUT
727         select BACKLIGHT_CLASS_DEVICE
728         default n
729         help
730           Support for Intel Classmate PC ACPI devices, including some
731           keys as input device, backlight device, tablet and accelerometer
732           devices.
733 
734 config INTEL_SCU_IPC
735         bool "Intel SCU IPC Support"
736         depends on X86_INTEL_MID
737         default y
738         ---help---
739           IPC is used to bridge the communications between kernel and SCU on
740           some embedded Intel x86 platforms. This is not needed for PC-type
741           machines.
742 
743 config INTEL_SCU_IPC_UTIL
744         tristate "Intel SCU IPC utility driver"
745         depends on INTEL_SCU_IPC
746         default y
747         ---help---
748           The IPC Util driver provides an interface with the SCU enabling
749           low level access for debug work and updating the firmware. Say
750           N unless you will be doing this on an Intel MID platform.
751 
752 config GPIO_INTEL_PMIC
753         bool "Intel PMIC GPIO support"
754         depends on INTEL_SCU_IPC && GPIOLIB
755         ---help---
756           Say Y here to support GPIO via the SCU IPC interface
757           on Intel MID platforms.
758 
759 config INTEL_MID_POWER_BUTTON
760         tristate "power button driver for Intel MID platforms"
761         depends on INTEL_SCU_IPC && INPUT
762         help
763           This driver handles the power button on the Intel MID platforms.
764 
765           If unsure, say N.
766 
767 config INTEL_MFLD_THERMAL
768        tristate "Thermal driver for Intel Medfield platform"
769        depends on MFD_INTEL_MSIC && THERMAL
770        help
771          Say Y here to enable thermal driver support for the  Intel Medfield
772          platform.
773 
774 config INTEL_IPS
775         tristate "Intel Intelligent Power Sharing"
776         depends on ACPI
777         ---help---
778           Intel Calpella platforms support dynamic power sharing between the
779           CPU and GPU, maximizing performance in a given TDP.  This driver,
780           along with the CPU frequency and i915 drivers, provides that
781           functionality.  If in doubt, say Y here; it will only load on
782           supported platforms.
783 
784 config INTEL_IMR
785         bool "Intel Isolated Memory Region support"
786         default n
787         depends on X86_INTEL_QUARK && IOSF_MBI
788         ---help---
789           This option provides a means to manipulate Isolated Memory Regions.
790           IMRs are a set of registers that define read and write access masks
791           to prohibit certain system agents from accessing memory with 1 KiB
792           granularity.
793 
794           IMRs make it possible to control read/write access to an address
795           by hardware agents inside the SoC. Read and write masks can be
796           defined for:
797                 - eSRAM flush
798                 - Dirty CPU snoop (write only)
799                 - RMU access
800                 - PCI Virtual Channel 0/Virtual Channel 1
801                 - SMM mode
802                 - Non SMM mode
803 
804           Quark contains a set of eight IMR registers and makes use of those
805           registers during its bootup process.
806 
807           If you are running on a Galileo/Quark say Y here.
808 
809 config IBM_RTL
810         tristate "Device driver to enable PRTL support"
811         depends on X86 && PCI
812         ---help---
813          Enable support for IBM Premium Real Time Mode (PRTM).
814          This module will allow you the enter and exit PRTM in the BIOS via
815          sysfs on platforms that support this feature.  System in PRTM will
816          not receive CPU-generated SMIs for recoverable errors.  Use of this
817          feature without proper support may void your hardware warranty.
818 
819          If the proper BIOS support is found the driver will load and create
820          /sys/devices/system/ibm_rtl/.  The "state" variable will indicate
821          whether or not the BIOS is in PRTM.
822          state = 0 (BIOS SMIs on)
823          state = 1 (BIOS SMIs off)
824 
825 config XO1_RFKILL
826         tristate "OLPC XO-1 software RF kill switch"
827         depends on OLPC || COMPILE_TEST
828         depends on RFKILL
829         ---help---
830           Support for enabling/disabling the WLAN interface on the OLPC XO-1
831           laptop.
832 
833 config XO15_EBOOK
834         tristate "OLPC XO-1.5 ebook switch"
835         depends on OLPC || COMPILE_TEST
836         depends on ACPI && INPUT
837         ---help---
838           Support for the ebook switch on the OLPC XO-1.5 laptop.
839 
840           This switch is triggered as the screen is rotated and folded down to
841           convert the device into ebook form.
842 
843 config SAMSUNG_LAPTOP
844         tristate "Samsung Laptop driver"
845         depends on X86
846         depends on RFKILL || RFKILL = n
847         depends on ACPI_VIDEO || ACPI_VIDEO = n
848         depends on BACKLIGHT_CLASS_DEVICE
849         select LEDS_CLASS
850         select NEW_LEDS
851         ---help---
852           This module implements a driver for a wide range of different
853           Samsung laptops.  It offers control over the different
854           function keys, wireless LED, LCD backlight level.
855 
856           It may also provide some sysfs files described in
857           <file:Documentation/ABI/testing/sysfs-platform-samsung-laptop>
858 
859           To compile this driver as a module, choose M here: the module
860           will be called samsung-laptop.
861 
862 config MXM_WMI
863        tristate "WMI support for MXM Laptop Graphics"
864        depends on ACPI_WMI
865        ---help---
866           MXM is a standard for laptop graphics cards, the WMI interface
867           is required for switchable nvidia graphics machines
868 
869 config INTEL_OAKTRAIL
870         tristate "Intel Oaktrail Platform Extras"
871         depends on ACPI
872         depends on ACPI_VIDEO || ACPI_VIDEO = n
873         depends on RFKILL && BACKLIGHT_CLASS_DEVICE && ACPI
874         ---help---
875           Intel Oaktrail platform need this driver to provide interfaces to
876           enable/disable the Camera, WiFi, BT etc. devices. If in doubt, say Y
877           here; it will only load on supported platforms.
878 
879 config SAMSUNG_Q10
880         tristate "Samsung Q10 Extras"
881         depends on ACPI
882         select BACKLIGHT_CLASS_DEVICE
883         ---help---
884           This driver provides support for backlight control on Samsung Q10
885           and related laptops, including Dell Latitude X200.
886 
887 config APPLE_GMUX
888         tristate "Apple Gmux Driver"
889         depends on ACPI
890         depends on PNP
891         depends on BACKLIGHT_CLASS_DEVICE
892         depends on BACKLIGHT_APPLE=n || BACKLIGHT_APPLE
893         depends on ACPI_VIDEO=n || ACPI_VIDEO
894         ---help---
895           This driver provides support for the gmux device found on many
896           Apple laptops, which controls the display mux for the hybrid
897           graphics as well as the backlight. Currently only backlight
898           control is supported by the driver.
899 
900 config INTEL_RST
901         tristate "Intel Rapid Start Technology Driver"
902         depends on ACPI
903         ---help---
904           This driver provides support for modifying paramaters on systems
905           equipped with Intel's Rapid Start Technology. When put in an ACPI
906           sleep state, these devices will wake after either a configured
907           timeout or when the system battery reaches a critical state,
908           automatically copying memory contents to disk. On resume, the
909           firmware will copy the memory contents back to RAM and resume the OS
910           as usual.
911 
912 config INTEL_SMARTCONNECT
913         tristate "Intel Smart Connect disabling driver"
914         depends on ACPI
915         ---help---
916           Intel Smart Connect is a technology intended to permit devices to
917           update state by resuming for a short period of time at regular
918           intervals. If a user enables this functionality under Windows and
919           then reboots into Linux, the system may remain configured to resume
920           on suspend. In the absence of any userspace to support it, the system
921           will then remain awake until something triggers another suspend.
922 
923           This driver checks to determine whether the device has Intel Smart
924           Connect enabled, and if so disables it.
925 
926 config PVPANIC
927         tristate "pvpanic device support"
928         depends on ACPI
929         ---help---
930           This driver provides support for the pvpanic device.  pvpanic is
931           a paravirtualized device provided by QEMU; it lets a virtual machine
932           (guest) communicate panic events to the host.
933 
934 config INTEL_PMC_IPC
935         tristate "Intel PMC IPC Driver"
936         depends on ACPI
937         ---help---
938         This driver provides support for PMC control on some Intel platforms.
939         The PMC is an ARC processor which defines IPC commands for communication
940         with other entities in the CPU.
941 
942 config SURFACE_PRO3_BUTTON
943         tristate "Power/home/volume buttons driver for Microsoft Surface Pro 3 tablet"
944         depends on ACPI && INPUT
945         ---help---
946           This driver handles the power/home/volume buttons on the Microsoft Surface Pro 3 tablet.
947 endif # X86_PLATFORM_DEVICES

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