1
2
3
4
5menuconfig 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
16if X86_PLATFORM_DEVICES
17
18config 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
30
31 select VIDEO_OUTPUT_CONTROL if ACPI
32 select ACPI_VIDEO if ACPI
33 ---help---
34 This is a driver for newer Acer (and Wistron) laptops. It adds
35 wireless radio and bluetooth control, and on some laptops,
36 exposes the mail LED and LCD backlight.
37
38 If you have an ACPI-WMI compatible Acer/ Wistron laptop, say Y or M
39 here.
40
41config ACERHDF
42 tristate "Acer Aspire One temperature and fan driver"
43 depends on THERMAL && ACPI
44 ---help---
45 This is a driver for Acer Aspire One netbooks. It allows to access
46 the temperature sensor and to control the fan.
47
48 After loading this driver the BIOS is still in control of the fan.
49 To let the kernel handle the fan, do:
50 echo -n enabled > /sys/class/thermal/thermal_zone0/mode
51
52 For more information about this driver see
53 <http://piie.net/files/acerhdf_README.txt>
54
55 If you have an Acer Aspire One netbook, say Y or M
56 here.
57
58config ASUS_LAPTOP
59 tristate "Asus Laptop Extras"
60 depends on ACPI
61 select LEDS_CLASS
62 select NEW_LEDS
63 select BACKLIGHT_CLASS_DEVICE
64 depends on INPUT
65 depends on RFKILL || RFKILL = n
66 select INPUT_SPARSEKMAP
67 select INPUT_POLLDEV
68 ---help---
69 This is a driver for Asus laptops, Lenovo SL and the Pegatron
70 Lucid tablet. It may also support some MEDION, JVC or VICTOR
71 laptops. It makes all the extra buttons generate standard
72 ACPI events and input events, and on the Lucid the built-in
73 accelerometer appears as an input device. It also adds
74 support for video output switching, LCD backlight control,
75 Bluetooth and Wlan control, and most importantly, allows you
76 to blink those fancy LEDs.
77
78 For more information see <http://acpi4asus.sf.net>.
79
80 If you have an ACPI-compatible ASUS laptop, say Y or M here.
81
82config CHROMEOS_LAPTOP
83 tristate "Chrome OS Laptop"
84 depends on I2C
85 depends on DMI
86 ---help---
87 This driver instantiates i2c and smbus devices such as
88 light sensors and touchpads.
89
90 If you have a supported Chromebook, choose Y or M here.
91 The module will be called chromeos_laptop.
92
93config DELL_LAPTOP
94 tristate "Dell Laptop Extras"
95 depends on X86
96 depends on DCDBAS
97 depends on BACKLIGHT_CLASS_DEVICE
98 depends on RFKILL || RFKILL = n
99 depends on SERIO_I8042
100 select POWER_SUPPLY
101 select LEDS_CLASS
102 select NEW_LEDS
103 default n
104 ---help---
105 This driver adds support for rfkill and backlight control to Dell
106 laptops.
107
108config DELL_WMI
109 tristate "Dell WMI extras"
110 depends on ACPI_WMI
111 depends on INPUT
112 select INPUT_SPARSEKMAP
113 ---help---
114 Say Y here if you want to support WMI-based hotkeys on Dell laptops.
115
116 To compile this driver as a module, choose M here: the module will
117 be called dell-wmi.
118
119config DELL_WMI_AIO
120 tristate "WMI Hotkeys for Dell All-In-One series"
121 depends on ACPI_WMI
122 depends on INPUT
123 select INPUT_SPARSEKMAP
124 ---help---
125 Say Y here if you want to support WMI-based hotkeys on Dell
126 All-In-One machines.
127
128 To compile this driver as a module, choose M here: the module will
129 be called dell-wmi-aio.
130
131
132config FUJITSU_LAPTOP
133 tristate "Fujitsu Laptop Extras"
134 depends on ACPI
135 depends on INPUT
136 depends on BACKLIGHT_CLASS_DEVICE
137 depends on LEDS_CLASS || LEDS_CLASS=n
138 ---help---
139 This is a driver for laptops built by Fujitsu:
140
141 * P2xxx/P5xxx/S6xxx/S7xxx series Lifebooks
142 * Possibly other Fujitsu laptop models
143 * Tested with S6410 and S7020
144
145 It adds support for LCD brightness control and some hotkeys.
146
147 If you have a Fujitsu laptop, say Y or M here.
148
149config FUJITSU_LAPTOP_DEBUG
150 bool "Verbose debug mode for Fujitsu Laptop Extras"
151 depends on FUJITSU_LAPTOP
152 default n
153 ---help---
154 Enables extra debug output from the fujitsu extras driver, at the
155 expense of a slight increase in driver size.
156
157 If you are not sure, say N here.
158
159config FUJITSU_TABLET
160 tristate "Fujitsu Tablet Extras"
161 depends on ACPI
162 depends on INPUT
163 ---help---
164 This is a driver for tablets built by Fujitsu:
165
166 * Lifebook P1510/P1610/P1620/Txxxx
167 * Stylistic ST5xxx
168 * Possibly other Fujitsu tablet models
169
170 It adds support for the panel buttons, docking station detection,
171 tablet/notebook mode detection for convertible and
172 orientation detection for docked slates.
173
174 If you have a Fujitsu convertible or slate, say Y or M here.
175
176config AMILO_RFKILL
177 tristate "Fujitsu-Siemens Amilo rfkill support"
178 depends on RFKILL
179 depends on SERIO_I8042
180 ---help---
181 This is a driver for enabling wifi on some Fujitsu-Siemens Amilo
182 laptops.
183
184config TC1100_WMI
185 tristate "HP Compaq TC1100 Tablet WMI Extras"
186 depends on !X86_64
187 depends on ACPI
188 depends on ACPI_WMI
189 ---help---
190 This is a driver for the WMI extensions (wireless and bluetooth power
191 control) of the HP Compaq TC1100 tablet.
192
193config HP_ACCEL
194 tristate "HP laptop accelerometer"
195 depends on INPUT && ACPI
196 select SENSORS_LIS3LV02D
197 select NEW_LEDS
198 select LEDS_CLASS
199 help
200 This driver provides support for the "Mobile Data Protection System 3D"
201 or "3D DriveGuard" feature of HP laptops. On such systems the driver
202 should load automatically (via ACPI alias).
203
204 Support for a led indicating disk protection will be provided as
205 hp::hddprotect. For more information on the feature, refer to
206 Documentation/misc-devices/lis3lv02d.
207
208 To compile this driver as a module, choose M here: the module will
209 be called hp_accel.
210
211config HP_WMI
212 tristate "HP WMI extras"
213 depends on ACPI_WMI
214 depends on INPUT
215 depends on RFKILL || RFKILL = n
216 select INPUT_SPARSEKMAP
217 help
218 Say Y here if you want to support WMI-based hotkeys on HP laptops and
219 to read data from WMI such as docking or ambient light sensor state.
220
221 To compile this driver as a module, choose M here: the module will
222 be called hp-wmi.
223
224config MSI_LAPTOP
225 tristate "MSI Laptop Extras"
226 depends on ACPI
227 depends on BACKLIGHT_CLASS_DEVICE
228 depends on RFKILL
229 depends on INPUT && SERIO_I8042
230 select INPUT_SPARSEKMAP
231 ---help---
232 This is a driver for laptops built by MSI (MICRO-STAR
233 INTERNATIONAL):
234
235 MSI MegaBook S270 (MS-1013)
236 Cytron/TCM/Medion/Tchibo MD96100/SAM2000
237
238 It adds support for Bluetooth, WLAN and LCD brightness control.
239
240 More information about this driver is available at
241 <http://0pointer.de/lennart/tchibo.html>.
242
243 If you have an MSI S270 laptop, say Y or M here.
244
245config PANASONIC_LAPTOP
246 tristate "Panasonic Laptop Extras"
247 depends on INPUT && ACPI
248 depends on BACKLIGHT_CLASS_DEVICE
249 select INPUT_SPARSEKMAP
250 ---help---
251 This driver adds support for access to backlight control and hotkeys
252 on Panasonic Let's Note laptops.
253
254 If you have a Panasonic Let's note laptop (such as the R1(N variant),
255 R2, R3, R5, T2, W2 and Y2 series), say Y.
256
257config COMPAL_LAPTOP
258 tristate "Compal Laptop Extras"
259 depends on ACPI
260 depends on BACKLIGHT_CLASS_DEVICE
261 depends on RFKILL
262 depends on HWMON
263 depends on POWER_SUPPLY
264 ---help---
265 This is a driver for laptops built by Compal:
266
267 Compal FL90/IFL90
268 Compal FL91/IFL91
269 Compal FL92/JFL92
270 Compal FT00/IFT00
271
272 It adds support for Bluetooth, WLAN and LCD brightness control.
273
274 If you have an Compal FL9x/IFL9x/FT00 laptop, say Y or M here.
275
276config SONY_LAPTOP
277 tristate "Sony Laptop Extras"
278 depends on ACPI
279 select BACKLIGHT_CLASS_DEVICE
280 depends on INPUT
281 depends on RFKILL
282 ---help---
283 This mini-driver drives the SNC and SPIC devices present in the ACPI
284 BIOS of the Sony Vaio laptops.
285
286 It gives access to some extra laptop functionalities like Bluetooth,
287 screen brightness control, Fn keys and allows powering on/off some
288 devices.
289
290 Read <file:Documentation/laptops/sony-laptop.txt> for more information.
291
292config SONYPI_COMPAT
293 bool "Sonypi compatibility"
294 depends on SONY_LAPTOP
295 ---help---
296 Build the sonypi driver compatibility code into the sony-laptop driver.
297
298config IDEAPAD_LAPTOP
299 tristate "Lenovo IdeaPad Laptop Extras"
300 depends on ACPI
301 depends on RFKILL && INPUT
302 depends on SERIO_I8042
303 depends on BACKLIGHT_CLASS_DEVICE
304 select INPUT_SPARSEKMAP
305 help
306 This is a driver for Lenovo IdeaPad netbooks contains drivers for
307 rfkill switch, hotkey, fan control and backlight control.
308
309config THINKPAD_ACPI
310 tristate "ThinkPad ACPI Laptop Extras"
311 depends on ACPI
312 depends on INPUT
313 depends on RFKILL || RFKILL = n
314 select BACKLIGHT_LCD_SUPPORT
315 select BACKLIGHT_CLASS_DEVICE
316 select HWMON
317 select NVRAM
318 select NEW_LEDS
319 select LEDS_CLASS
320 ---help---
321 This is a driver for the IBM and Lenovo ThinkPad laptops. It adds
322 support for Fn-Fx key combinations, Bluetooth control, video
323 output switching, ThinkLight control, UltraBay eject and more.
324 For more information about this driver see
325 <file:Documentation/laptops/thinkpad-acpi.txt> and
326 <http://ibm-acpi.sf.net/> .
327
328 This driver was formerly known as ibm-acpi.
329
330 Extra functionality will be available if the rfkill (CONFIG_RFKILL)
331 and/or ALSA (CONFIG_SND) subsystems are available in the kernel.
332 Note that if you want ThinkPad-ACPI to be built-in instead of
333 modular, ALSA and rfkill will also have to be built-in.
334
335 If you have an IBM or Lenovo ThinkPad laptop, say Y or M here.
336
337config THINKPAD_ACPI_ALSA_SUPPORT
338 bool "Console audio control ALSA interface"
339 depends on THINKPAD_ACPI
340 depends on SND
341 depends on SND = y || THINKPAD_ACPI = SND
342 default y
343 ---help---
344 Enables monitoring of the built-in console audio output control
345 (headphone and speakers), which is operated by the mute and (in
346 some ThinkPad models) volume hotkeys.
347
348 If this option is enabled, ThinkPad-ACPI will export an ALSA card
349 with a single read-only mixer control, which should be used for
350 on-screen-display feedback purposes by the Desktop Environment.
351
352 Optionally, the driver will also allow software control (the
353 ALSA mixer will be made read-write). Please refer to the driver
354 documentation for details.
355
356 All IBM models have both volume and mute control. Newer Lenovo
357 models only have mute control (the volume hotkeys are just normal
358 keys and volume control is done through the main HDA mixer).
359
360config THINKPAD_ACPI_DEBUGFACILITIES
361 bool "Maintainer debug facilities"
362 depends on THINKPAD_ACPI
363 default n
364 ---help---
365 Enables extra stuff in the thinkpad-acpi which is completely useless
366 for normal use. Read the driver source to find out what it does.
367
368 Say N here, unless you were told by a kernel maintainer to do
369 otherwise.
370
371config THINKPAD_ACPI_DEBUG
372 bool "Verbose debug mode"
373 depends on THINKPAD_ACPI
374 default n
375 ---help---
376 Enables extra debugging information, at the expense of a slightly
377 increase in driver size.
378
379 If you are not sure, say N here.
380
381config THINKPAD_ACPI_UNSAFE_LEDS
382 bool "Allow control of important LEDs (unsafe)"
383 depends on THINKPAD_ACPI
384 default n
385 ---help---
386 Overriding LED state on ThinkPads can mask important
387 firmware alerts (like critical battery condition), or misled
388 the user into damaging the hardware (undocking or ejecting
389 the bay while buses are still active), etc.
390
391 LED control on the ThinkPad is write-only (with very few
392 exceptions on very ancient models), which makes it
393 impossible to know beforehand if important information will
394 be lost when one changes LED state.
395
396 Users that know what they are doing can enable this option
397 and the driver will allow control of every LED, including
398 the ones on the dock stations.
399
400 Never enable this option on a distribution kernel.
401
402 Say N here, unless you are building a kernel for your own
403 use, and need to control the important firmware LEDs.
404
405config THINKPAD_ACPI_VIDEO
406 bool "Video output control support"
407 depends on THINKPAD_ACPI
408 default y
409 ---help---
410 Allows the thinkpad_acpi driver to provide an interface to control
411 the various video output ports.
412
413 This feature often won't work well, depending on ThinkPad model,
414 display state, video output devices in use, whether there is a X
415 server running, phase of the moon, and the current mood of
416 Schroedinger's cat. If you can use X.org's RandR to control
417 your ThinkPad's video output ports instead of this feature,
418 don't think twice: do it and say N here to save memory and avoid
419 bad interactions with X.org.
420
421 NOTE: access to this feature is limited to processes with the
422 CAP_SYS_ADMIN capability, to avoid local DoS issues in platforms
423 where it interacts badly with X.org.
424
425 If you are not sure, say Y here but do try to check if you could
426 be using X.org RandR instead.
427
428config THINKPAD_ACPI_HOTKEY_POLL
429 bool "Support NVRAM polling for hot keys"
430 depends on THINKPAD_ACPI
431 default y
432 ---help---
433 Some thinkpad models benefit from NVRAM polling to detect a few of
434 the hot key press events. If you know your ThinkPad model does not
435 need to do NVRAM polling to support any of the hot keys you use,
436 unselecting this option will save about 1kB of memory.
437
438 ThinkPads T40 and newer, R52 and newer, and X31 and newer are
439 unlikely to need NVRAM polling in their latest BIOS versions.
440
441 NVRAM polling can detect at most the following keys: ThinkPad/Access
442 IBM, Zoom, Switch Display (fn+F7), ThinkLight, Volume up/down/mute,
443 Brightness up/down, Display Expand (fn+F8), Hibernate (fn+F12).
444
445 If you are not sure, say Y here. The driver enables polling only if
446 it is strictly necessary to do so.
447
448config SENSORS_HDAPS
449 tristate "Thinkpad Hard Drive Active Protection System (hdaps)"
450 depends on INPUT && X86
451 select INPUT_POLLDEV
452 default n
453 help
454 This driver provides support for the IBM Hard Drive Active Protection
455 System (hdaps), which provides an accelerometer and other misc. data.
456 ThinkPads starting with the R50, T41, and X40 are supported. The
457 accelerometer data is readable via sysfs.
458
459 This driver also provides an absolute input class device, allowing
460 the laptop to act as a pinball machine-esque joystick.
461
462 If your ThinkPad is not recognized by the driver, please update to latest
463 BIOS. This is especially the case for some R52 ThinkPads.
464
465 Say Y here if you have an applicable laptop and want to experience
466 the awesome power of hdaps.
467
468config INTEL_MENLOW
469 tristate "Thermal Management driver for Intel menlow platform"
470 depends on ACPI_THERMAL
471 select THERMAL
472 ---help---
473 ACPI thermal management enhancement driver on
474 Intel Menlow platform.
475
476 If unsure, say N.
477
478config EEEPC_LAPTOP
479 tristate "Eee PC Hotkey Driver"
480 depends on ACPI
481 depends on INPUT
482 depends on RFKILL || RFKILL = n
483 depends on HOTPLUG_PCI
484 select BACKLIGHT_CLASS_DEVICE
485 select HWMON
486 select LEDS_CLASS
487 select NEW_LEDS
488 select INPUT_SPARSEKMAP
489 ---help---
490 This driver supports the Fn-Fx keys on Eee PC laptops.
491
492 It also gives access to some extra laptop functionalities like
493 Bluetooth, backlight and allows powering on/off some other
494 devices.
495
496 If you have an Eee PC laptop, say Y or M here. If this driver
497 doesn't work on your Eee PC, try eeepc-wmi instead.
498
499config ASUS_WMI
500 tristate "ASUS WMI Driver"
501 depends on ACPI_WMI
502 depends on INPUT
503 depends on HWMON
504 depends on BACKLIGHT_CLASS_DEVICE
505 depends on RFKILL || RFKILL = n
506 depends on HOTPLUG_PCI
507 depends on ACPI_VIDEO || ACPI_VIDEO = n
508 select INPUT_SPARSEKMAP
509 select LEDS_CLASS
510 select NEW_LEDS
511 ---help---
512 Say Y here if you have a WMI aware Asus laptop (like Eee PCs or new
513 Asus Notebooks).
514
515 To compile this driver as a module, choose M here: the module will
516 be called asus-wmi.
517
518config ASUS_NB_WMI
519 tristate "Asus Notebook WMI Driver"
520 depends on ASUS_WMI
521 ---help---
522 This is a driver for newer Asus notebooks. It adds extra features
523 like wireless radio and bluetooth control, leds, hotkeys, backlight...
524
525 For more informations, see
526 <file:Documentation/ABI/testing/sysfs-platform-asus-wmi>
527
528 If you have an ACPI-WMI compatible Asus Notebook, say Y or M
529 here.
530
531config EEEPC_WMI
532 tristate "Eee PC WMI Driver"
533 depends on ASUS_WMI
534 ---help---
535 This is a driver for newer Eee PC laptops. It adds extra features
536 like wireless radio and bluetooth control, leds, hotkeys, backlight...
537
538 For more informations, see
539 <file:Documentation/ABI/testing/sysfs-platform-asus-wmi>
540
541 If you have an ACPI-WMI compatible Eee PC laptop (>= 1000), say Y or M
542 here.
543
544config ACPI_WMI
545 tristate "WMI"
546 depends on ACPI
547 help
548 This driver adds support for the ACPI-WMI (Windows Management
549 Instrumentation) mapper device (PNP0C14) found on some systems.
550
551 ACPI-WMI is a proprietary extension to ACPI to expose parts of the
552 ACPI firmware to userspace - this is done through various vendor
553 defined methods and data blocks in a PNP0C14 device, which are then
554 made available for userspace to call.
555
556 The implementation of this in Linux currently only exposes this to
557 other kernel space drivers.
558
559 This driver is a required dependency to build the firmware specific
560 drivers needed on many machines, including Acer and HP laptops.
561
562 It is safe to enable this driver even if your DSDT doesn't define
563 any ACPI-WMI devices.
564
565config MSI_WMI
566 tristate "MSI WMI extras"
567 depends on ACPI_WMI
568 depends on INPUT
569 depends on BACKLIGHT_CLASS_DEVICE
570 select INPUT_SPARSEKMAP
571 help
572 Say Y here if you want to support WMI-based hotkeys on MSI laptops.
573
574 To compile this driver as a module, choose M here: the module will
575 be called msi-wmi.
576
577config TOPSTAR_LAPTOP
578 tristate "Topstar Laptop Extras"
579 depends on ACPI
580 depends on INPUT
581 select INPUT_SPARSEKMAP
582 ---help---
583 This driver adds support for hotkeys found on Topstar laptops.
584
585 If you have a Topstar laptop, say Y or M here.
586
587config ACPI_TOSHIBA
588 tristate "Toshiba Laptop Extras"
589 depends on ACPI
590 depends on ACPI_WMI
591 select LEDS_CLASS
592 select NEW_LEDS
593 depends on BACKLIGHT_CLASS_DEVICE
594 depends on INPUT
595 depends on RFKILL || RFKILL = n
596 depends on SERIO_I8042 || SERIO_I8042 = n
597 select INPUT_POLLDEV
598 select INPUT_SPARSEKMAP
599 ---help---
600 This driver adds support for access to certain system settings
601 on "legacy free" Toshiba laptops. These laptops can be recognized by
602 their lack of a BIOS setup menu and APM support.
603
604 On these machines, all system configuration is handled through the
605 ACPI. This driver is required for access to controls not covered
606 by the general ACPI drivers, such as LCD brightness, video output,
607 etc.
608
609 This driver differs from the non-ACPI Toshiba laptop driver (located
610 under "Processor type and features") in several aspects.
611 Configuration is accessed by reading and writing text files in the
612 /proc tree instead of by program interface to /dev. Furthermore, no
613 power management functions are exposed, as those are handled by the
614 general ACPI drivers.
615
616 More information about this driver is available at
617 <http://memebeam.org/toys/ToshibaAcpiDriver>.
618
619 If you have a legacy free Toshiba laptop (such as the Libretto L1
620 series), say Y.
621
622config TOSHIBA_BT_RFKILL
623 tristate "Toshiba Bluetooth RFKill switch support"
624 depends on ACPI
625 ---help---
626 This driver adds support for Bluetooth events for the RFKill
627 switch on modern Toshiba laptops with full ACPI support and
628 an RFKill switch.
629
630 This driver handles RFKill events for the TOS6205 Bluetooth,
631 and re-enables it when the switch is set back to the 'on'
632 position.
633
634 If you have a modern Toshiba laptop with a Bluetooth and an
635 RFKill switch (such as the Portege R500), say Y.
636
637config ACPI_CMPC
638 tristate "CMPC Laptop Extras"
639 depends on X86 && ACPI
640 depends on RFKILL || RFKILL=n
641 select INPUT
642 select BACKLIGHT_CLASS_DEVICE
643 default n
644 help
645 Support for Intel Classmate PC ACPI devices, including some
646 keys as input device, backlight device, tablet and accelerometer
647 devices.
648
649config INTEL_SCU_IPC
650 bool "Intel SCU IPC Support"
651 depends on X86_INTEL_MID
652 default y
653 ---help---
654 IPC is used to bridge the communications between kernel and SCU on
655 some embedded Intel x86 platforms. This is not needed for PC-type
656 machines.
657
658config INTEL_SCU_IPC_UTIL
659 tristate "Intel SCU IPC utility driver"
660 depends on INTEL_SCU_IPC
661 default y
662 ---help---
663 The IPC Util driver provides an interface with the SCU enabling
664 low level access for debug work and updating the firmware. Say
665 N unless you will be doing this on an Intel MID platform.
666
667config GPIO_INTEL_PMIC
668 bool "Intel PMIC GPIO support"
669 depends on INTEL_SCU_IPC && GPIOLIB
670 ---help---
671 Say Y here to support GPIO via the SCU IPC interface
672 on Intel MID platforms.
673
674config INTEL_MID_POWER_BUTTON
675 tristate "power button driver for Intel MID platforms"
676 depends on INTEL_SCU_IPC && INPUT
677 help
678 This driver handles the power button on the Intel MID platforms.
679
680 If unsure, say N.
681
682config INTEL_MFLD_THERMAL
683 tristate "Thermal driver for Intel Medfield platform"
684 depends on MFD_INTEL_MSIC && THERMAL
685 help
686 Say Y here to enable thermal driver support for the Intel Medfield
687 platform.
688
689config INTEL_IPS
690 tristate "Intel Intelligent Power Sharing"
691 depends on ACPI
692 ---help---
693 Intel Calpella platforms support dynamic power sharing between the
694 CPU and GPU, maximizing performance in a given TDP. This driver,
695 along with the CPU frequency and i915 drivers, provides that
696 functionality. If in doubt, say Y here; it will only load on
697 supported platforms.
698
699config IBM_RTL
700 tristate "Device driver to enable PRTL support"
701 depends on X86 && PCI
702 ---help---
703 Enable support for IBM Premium Real Time Mode (PRTM).
704 This module will allow you the enter and exit PRTM in the BIOS via
705 sysfs on platforms that support this feature. System in PRTM will
706 not receive CPU-generated SMIs for recoverable errors. Use of this
707 feature without proper support may void your hardware warranty.
708
709 If the proper BIOS support is found the driver will load and create
710 /sys/devices/system/ibm_rtl/. The "state" variable will indicate
711 whether or not the BIOS is in PRTM.
712 state = 0 (BIOS SMIs on)
713 state = 1 (BIOS SMIs off)
714
715config XO1_RFKILL
716 tristate "OLPC XO-1 software RF kill switch"
717 depends on OLPC
718 depends on RFKILL
719 ---help---
720 Support for enabling/disabling the WLAN interface on the OLPC XO-1
721 laptop.
722
723config XO15_EBOOK
724 tristate "OLPC XO-1.5 ebook switch"
725 depends on ACPI && INPUT
726 ---help---
727 Support for the ebook switch on the OLPC XO-1.5 laptop.
728
729 This switch is triggered as the screen is rotated and folded down to
730 convert the device into ebook form.
731
732config SAMSUNG_LAPTOP
733 tristate "Samsung Laptop driver"
734 depends on X86
735 depends on RFKILL || RFKILL = n
736 depends on ACPI_VIDEO || ACPI_VIDEO = n
737 depends on BACKLIGHT_CLASS_DEVICE
738 select LEDS_CLASS
739 select NEW_LEDS
740 ---help---
741 This module implements a driver for a wide range of different
742 Samsung laptops. It offers control over the different
743 function keys, wireless LED, LCD backlight level.
744
745 It may also provide some sysfs files described in
746 <file:Documentation/ABI/testing/sysfs-platform-samsung-laptop>
747
748 To compile this driver as a module, choose M here: the module
749 will be called samsung-laptop.
750
751config MXM_WMI
752 tristate "WMI support for MXM Laptop Graphics"
753 depends on ACPI_WMI
754 ---help---
755 MXM is a standard for laptop graphics cards, the WMI interface
756 is required for switchable nvidia graphics machines
757
758config INTEL_OAKTRAIL
759 tristate "Intel Oaktrail Platform Extras"
760 depends on ACPI
761 depends on RFKILL && BACKLIGHT_CLASS_DEVICE && ACPI
762 ---help---
763 Intel Oaktrail platform need this driver to provide interfaces to
764 enable/disable the Camera, WiFi, BT etc. devices. If in doubt, say Y
765 here; it will only load on supported platforms.
766
767config SAMSUNG_Q10
768 tristate "Samsung Q10 Extras"
769 depends on ACPI
770 select BACKLIGHT_CLASS_DEVICE
771 ---help---
772 This driver provides support for backlight control on Samsung Q10
773 and related laptops, including Dell Latitude X200.
774
775config APPLE_GMUX
776 tristate "Apple Gmux Driver"
777 depends on ACPI
778 depends on PNP
779 depends on BACKLIGHT_CLASS_DEVICE
780 depends on BACKLIGHT_APPLE=n || BACKLIGHT_APPLE
781 depends on ACPI_VIDEO=n || ACPI_VIDEO
782 ---help---
783 This driver provides support for the gmux device found on many
784 Apple laptops, which controls the display mux for the hybrid
785 graphics as well as the backlight. Currently only backlight
786 control is supported by the driver.
787
788config INTEL_RST
789 tristate "Intel Rapid Start Technology Driver"
790 depends on ACPI
791 ---help---
792 This driver provides support for modifying paramaters on systems
793 equipped with Intel's Rapid Start Technology. When put in an ACPI
794 sleep state, these devices will wake after either a configured
795 timeout or when the system battery reaches a critical state,
796 automatically copying memory contents to disk. On resume, the
797 firmware will copy the memory contents back to RAM and resume the OS
798 as usual.
799
800config INTEL_SMARTCONNECT
801 tristate "Intel Smart Connect disabling driver"
802 depends on ACPI
803 ---help---
804 Intel Smart Connect is a technology intended to permit devices to
805 update state by resuming for a short period of time at regular
806 intervals. If a user enables this functionality under Windows and
807 then reboots into Linux, the system may remain configured to resume
808 on suspend. In the absence of any userspace to support it, the system
809 will then remain awake until something triggers another suspend.
810
811 This driver checks to determine whether the device has Intel Smart
812 Connect enabled, and if so disables it.
813
814config PVPANIC
815 tristate "pvpanic device support"
816 depends on ACPI
817 ---help---
818 This driver provides support for the pvpanic device. pvpanic is
819 a paravirtualized device provided by QEMU; it lets a virtual machine
820 (guest) communicate panic events to the host.
821
822endif
823
