141b16dceSLen Brown# 241b16dceSLen Brown# X86 Platform Specific Drivers 341b16dceSLen Brown# 441b16dceSLen Brown 541b16dceSLen Brownmenuconfig X86_PLATFORM_DEVICES 641b16dceSLen Brown bool "X86 Platform Specific Device Drivers" 741b16dceSLen Brown default y 841b16dceSLen Brown ---help--- 941b16dceSLen Brown Say Y here to get to see options for device drivers for various 1041b16dceSLen Brown x86 platforms, including vendor-specific laptop extension drivers. 1141b16dceSLen Brown This option alone does not add any kernel code. 1241b16dceSLen Brown 1341b16dceSLen Brown If you say N, all options in this submenu will be skipped and disabled. 1441b16dceSLen Brown 1541b16dceSLen Brownif X86_PLATFORM_DEVICES 1641b16dceSLen Brown 1741b16dceSLen Brownconfig ACER_WMI 1854b1ec89SCarlos Corbacho tristate "Acer WMI Laptop Extras" 1941b16dceSLen Brown depends on ACPI 2041b16dceSLen Brown depends on LEDS_CLASS 2141b16dceSLen Brown depends on NEW_LEDS 2241b16dceSLen Brown depends on BACKLIGHT_CLASS_DEVICE 2341b16dceSLen Brown depends on SERIO_I8042 2441b16dceSLen Brown depends on RFKILL 2541b16dceSLen Brown select ACPI_WMI 2641b16dceSLen Brown ---help--- 2741b16dceSLen Brown This is a driver for newer Acer (and Wistron) laptops. It adds 2841b16dceSLen Brown wireless radio and bluetooth control, and on some laptops, 2941b16dceSLen Brown exposes the mail LED and LCD backlight. 3041b16dceSLen Brown 3141b16dceSLen Brown For more information about this driver see 3241b16dceSLen Brown <file:Documentation/laptops/acer-wmi.txt> 3341b16dceSLen Brown 3441b16dceSLen Brown If you have an ACPI-WMI compatible Acer/ Wistron laptop, say Y or M 3541b16dceSLen Brown here. 3641b16dceSLen Brown 3741b16dceSLen Brownconfig ASUS_LAPTOP 3841b16dceSLen Brown tristate "Asus Laptop Extras (EXPERIMENTAL)" 3941b16dceSLen Brown depends on ACPI 4041b16dceSLen Brown depends on EXPERIMENTAL && !ACPI_ASUS 41e73e2c62SCorentin Chary select LEDS_CLASS 42e73e2c62SCorentin Chary select NEW_LEDS 43e73e2c62SCorentin Chary select BACKLIGHT_CLASS_DEVICE 4412d6f35bSCorentin Chary depends on INPUT 4541b16dceSLen Brown ---help--- 4641b16dceSLen Brown This is the new Linux driver for Asus laptops. It may also support some 4741b16dceSLen Brown MEDION, JVC or VICTOR laptops. It makes all the extra buttons generate 4841b16dceSLen Brown standard ACPI events that go through /proc/acpi/events. It also adds 4941b16dceSLen Brown support for video output switching, LCD backlight control, Bluetooth and 5041b16dceSLen Brown Wlan control, and most importantly, allows you to blink those fancy LEDs. 5141b16dceSLen Brown 5241b16dceSLen Brown For more information and a userspace daemon for handling the extra 5341b16dceSLen Brown buttons see <http://acpi4asus.sf.net/>. 5441b16dceSLen Brown 5541b16dceSLen Brown If you have an ACPI-compatible ASUS laptop, say Y or M here. 5641b16dceSLen Brown 57cad73120SLen Brownconfig DELL_LAPTOP 58cad73120SLen Brown tristate "Dell Laptop Extras (EXPERIMENTAL)" 59cad73120SLen Brown depends on X86 60cad73120SLen Brown depends on DCDBAS 61cad73120SLen Brown depends on EXPERIMENTAL 62cad73120SLen Brown depends on BACKLIGHT_CLASS_DEVICE 63cad73120SLen Brown depends on RFKILL 64310d8c93SRandy Dunlap depends on POWER_SUPPLY 65cad73120SLen Brown default n 66cad73120SLen Brown ---help--- 67cad73120SLen Brown This driver adds support for rfkill and backlight control to Dell 68cad73120SLen Brown laptops. 69cad73120SLen Brown 700b3f6109SMatthew Garrettconfig DELL_WMI 710b3f6109SMatthew Garrett tristate "Dell WMI extras" 720b3f6109SMatthew Garrett depends on ACPI_WMI 730b3f6109SMatthew Garrett depends on INPUT 740b3f6109SMatthew Garrett ---help--- 750b3f6109SMatthew Garrett Say Y here if you want to support WMI-based hotkeys on Dell laptops. 760b3f6109SMatthew Garrett 770b3f6109SMatthew Garrett To compile this driver as a module, choose M here: the module will 780b3f6109SMatthew Garrett be called dell-wmi. 790b3f6109SMatthew Garrett 8041b16dceSLen Brownconfig FUJITSU_LAPTOP 8141b16dceSLen Brown tristate "Fujitsu Laptop Extras" 8241b16dceSLen Brown depends on ACPI 8341b16dceSLen Brown depends on INPUT 8441b16dceSLen Brown depends on BACKLIGHT_CLASS_DEVICE 8541b16dceSLen Brown ---help--- 8641b16dceSLen Brown This is a driver for laptops built by Fujitsu: 8741b16dceSLen Brown 8841b16dceSLen Brown * P2xxx/P5xxx/S6xxx/S7xxx series Lifebooks 8941b16dceSLen Brown * Possibly other Fujitsu laptop models 9041b16dceSLen Brown * Tested with S6410 and S7020 9141b16dceSLen Brown 9241b16dceSLen Brown It adds support for LCD brightness control and some hotkeys. 9341b16dceSLen Brown 9441b16dceSLen Brown If you have a Fujitsu laptop, say Y or M here. 9541b16dceSLen Brown 9641b16dceSLen Brownconfig FUJITSU_LAPTOP_DEBUG 9741b16dceSLen Brown bool "Verbose debug mode for Fujitsu Laptop Extras" 9841b16dceSLen Brown depends on FUJITSU_LAPTOP 9941b16dceSLen Brown default n 10041b16dceSLen Brown ---help--- 10141b16dceSLen Brown Enables extra debug output from the fujitsu extras driver, at the 10241b16dceSLen Brown expense of a slight increase in driver size. 10341b16dceSLen Brown 10441b16dceSLen Brown If you are not sure, say N here. 10541b16dceSLen Brown 10641b16dceSLen Brownconfig TC1100_WMI 10741b16dceSLen Brown tristate "HP Compaq TC1100 Tablet WMI Extras (EXPERIMENTAL)" 10841b16dceSLen Brown depends on !X86_64 10941b16dceSLen Brown depends on EXPERIMENTAL 11041b16dceSLen Brown depends on ACPI 11141b16dceSLen Brown select ACPI_WMI 11241b16dceSLen Brown ---help--- 11341b16dceSLen Brown This is a driver for the WMI extensions (wireless and bluetooth power 11441b16dceSLen Brown control) of the HP Compaq TC1100 tablet. 11541b16dceSLen Brown 11641b16dceSLen Brownconfig HP_WMI 11741b16dceSLen Brown tristate "HP WMI extras" 11841b16dceSLen Brown depends on ACPI_WMI 11941b16dceSLen Brown depends on INPUT 12041b16dceSLen Brown depends on RFKILL 12141b16dceSLen Brown help 12241b16dceSLen Brown Say Y here if you want to support WMI-based hotkeys on HP laptops and 12341b16dceSLen Brown to read data from WMI such as docking or ambient light sensor state. 12441b16dceSLen Brown 12541b16dceSLen Brown To compile this driver as a module, choose M here: the module will 12641b16dceSLen Brown be called hp-wmi. 12741b16dceSLen Brown 12841b16dceSLen Brownconfig MSI_LAPTOP 12941b16dceSLen Brown tristate "MSI Laptop Extras" 13041b16dceSLen Brown depends on ACPI 13141b16dceSLen Brown depends on BACKLIGHT_CLASS_DEVICE 13241b16dceSLen Brown ---help--- 13341b16dceSLen Brown This is a driver for laptops built by MSI (MICRO-STAR 13441b16dceSLen Brown INTERNATIONAL): 13541b16dceSLen Brown 13641b16dceSLen Brown MSI MegaBook S270 (MS-1013) 13741b16dceSLen Brown Cytron/TCM/Medion/Tchibo MD96100/SAM2000 13841b16dceSLen Brown 13941b16dceSLen Brown It adds support for Bluetooth, WLAN and LCD brightness control. 14041b16dceSLen Brown 14141b16dceSLen Brown More information about this driver is available at 14241b16dceSLen Brown <http://0pointer.de/lennart/tchibo.html>. 14341b16dceSLen Brown 14441b16dceSLen Brown If you have an MSI S270 laptop, say Y or M here. 14541b16dceSLen Brown 14641b16dceSLen Brownconfig PANASONIC_LAPTOP 14741b16dceSLen Brown tristate "Panasonic Laptop Extras" 14841b16dceSLen Brown depends on INPUT && ACPI 14941b16dceSLen Brown depends on BACKLIGHT_CLASS_DEVICE 15041b16dceSLen Brown ---help--- 15141b16dceSLen Brown This driver adds support for access to backlight control and hotkeys 15241b16dceSLen Brown on Panasonic Let's Note laptops. 15341b16dceSLen Brown 15441b16dceSLen Brown If you have a Panasonic Let's note laptop (such as the R1(N variant), 15541b16dceSLen Brown R2, R3, R5, T2, W2 and Y2 series), say Y. 15641b16dceSLen Brown 15741b16dceSLen Brownconfig COMPAL_LAPTOP 15841b16dceSLen Brown tristate "Compal Laptop Extras" 15941b16dceSLen Brown depends on ACPI 16041b16dceSLen Brown depends on BACKLIGHT_CLASS_DEVICE 16141b16dceSLen Brown ---help--- 16241b16dceSLen Brown This is a driver for laptops built by Compal: 16341b16dceSLen Brown 16441b16dceSLen Brown Compal FL90/IFL90 16541b16dceSLen Brown Compal FL91/IFL91 16641b16dceSLen Brown Compal FL92/JFL92 16741b16dceSLen Brown Compal FT00/IFT00 16841b16dceSLen Brown 16941b16dceSLen Brown It adds support for Bluetooth, WLAN and LCD brightness control. 17041b16dceSLen Brown 17141b16dceSLen Brown If you have an Compal FL9x/IFL9x/FT00 laptop, say Y or M here. 17241b16dceSLen Brown 17341b16dceSLen Brownconfig SONY_LAPTOP 17441b16dceSLen Brown tristate "Sony Laptop Extras" 17541b16dceSLen Brown depends on ACPI 17641b16dceSLen Brown select BACKLIGHT_CLASS_DEVICE 17741b16dceSLen Brown depends on INPUT 17841b16dceSLen Brown ---help--- 17941b16dceSLen Brown This mini-driver drives the SNC and SPIC devices present in the ACPI 18041b16dceSLen Brown BIOS of the Sony Vaio laptops. 18141b16dceSLen Brown 18241b16dceSLen Brown It gives access to some extra laptop functionalities like Bluetooth, 18341b16dceSLen Brown screen brightness control, Fn keys and allows powering on/off some 18441b16dceSLen Brown devices. 18541b16dceSLen Brown 18641b16dceSLen Brown Read <file:Documentation/laptops/sony-laptop.txt> for more information. 18741b16dceSLen Brown 18841b16dceSLen Brownconfig SONYPI_COMPAT 18941b16dceSLen Brown bool "Sonypi compatibility" 19041b16dceSLen Brown depends on SONY_LAPTOP 19141b16dceSLen Brown ---help--- 19241b16dceSLen Brown Build the sonypi driver compatibility code into the sony-laptop driver. 19341b16dceSLen Brown 19441b16dceSLen Brownconfig THINKPAD_ACPI 19541b16dceSLen Brown tristate "ThinkPad ACPI Laptop Extras" 19641b16dceSLen Brown depends on ACPI 197d263da31SCorentin Chary depends on INPUT 19841b16dceSLen Brown select BACKLIGHT_LCD_SUPPORT 19941b16dceSLen Brown select BACKLIGHT_CLASS_DEVICE 20041b16dceSLen Brown select HWMON 20141b16dceSLen Brown select NVRAM 20241b16dceSLen Brown select NEW_LEDS 20341b16dceSLen Brown select LEDS_CLASS 20441b16dceSLen Brown select NET 20541b16dceSLen Brown select RFKILL 20641b16dceSLen Brown ---help--- 20741b16dceSLen Brown This is a driver for the IBM and Lenovo ThinkPad laptops. It adds 20841b16dceSLen Brown support for Fn-Fx key combinations, Bluetooth control, video 20941b16dceSLen Brown output switching, ThinkLight control, UltraBay eject and more. 21041b16dceSLen Brown For more information about this driver see 21141b16dceSLen Brown <file:Documentation/laptops/thinkpad-acpi.txt> and 21241b16dceSLen Brown <http://ibm-acpi.sf.net/> . 21341b16dceSLen Brown 21441b16dceSLen Brown This driver was formerly known as ibm-acpi. 21541b16dceSLen Brown 21641b16dceSLen Brown If you have an IBM or Lenovo ThinkPad laptop, say Y or M here. 21741b16dceSLen Brown 218a73f3091SHenrique de Moraes Holschuhconfig THINKPAD_ACPI_DEBUGFACILITIES 219a73f3091SHenrique de Moraes Holschuh bool "Maintainer debug facilities" 220a73f3091SHenrique de Moraes Holschuh depends on THINKPAD_ACPI 221a73f3091SHenrique de Moraes Holschuh default n 222a73f3091SHenrique de Moraes Holschuh ---help--- 223a73f3091SHenrique de Moraes Holschuh Enables extra stuff in the thinkpad-acpi which is completely useless 224a73f3091SHenrique de Moraes Holschuh for normal use. Read the driver source to find out what it does. 225a73f3091SHenrique de Moraes Holschuh 226a73f3091SHenrique de Moraes Holschuh Say N here, unless you were told by a kernel maintainer to do 227a73f3091SHenrique de Moraes Holschuh otherwise. 228a73f3091SHenrique de Moraes Holschuh 22941b16dceSLen Brownconfig THINKPAD_ACPI_DEBUG 23041b16dceSLen Brown bool "Verbose debug mode" 23141b16dceSLen Brown depends on THINKPAD_ACPI 23241b16dceSLen Brown default n 23341b16dceSLen Brown ---help--- 23441b16dceSLen Brown Enables extra debugging information, at the expense of a slightly 23541b16dceSLen Brown increase in driver size. 23641b16dceSLen Brown 23741b16dceSLen Brown If you are not sure, say N here. 23841b16dceSLen Brown 23941b16dceSLen Brownconfig THINKPAD_ACPI_DOCK 24041b16dceSLen Brown bool "Legacy Docking Station Support" 24141b16dceSLen Brown depends on THINKPAD_ACPI 24241b16dceSLen Brown depends on ACPI_DOCK=n 24341b16dceSLen Brown default n 24441b16dceSLen Brown ---help--- 24541b16dceSLen Brown Allows the thinkpad_acpi driver to handle docking station events. 24641b16dceSLen Brown This support was made obsolete by the generic ACPI docking station 24741b16dceSLen Brown support (CONFIG_ACPI_DOCK). It will allow locking and removing the 24841b16dceSLen Brown laptop from the docking station, but will not properly connect PCI 24941b16dceSLen Brown devices. 25041b16dceSLen Brown 25141b16dceSLen Brown If you are not sure, say N here. 25241b16dceSLen Brown 25341b16dceSLen Brownconfig THINKPAD_ACPI_BAY 25441b16dceSLen Brown bool "Legacy Removable Bay Support" 25541b16dceSLen Brown depends on THINKPAD_ACPI 25641b16dceSLen Brown default y 25741b16dceSLen Brown ---help--- 25841b16dceSLen Brown Allows the thinkpad_acpi driver to handle removable bays. It will 25941b16dceSLen Brown electrically disable the device in the bay, and also generate 26041b16dceSLen Brown notifications when the bay lever is ejected or inserted. 26141b16dceSLen Brown 26241b16dceSLen Brown If you are not sure, say Y here. 26341b16dceSLen Brown 26441b16dceSLen Brownconfig THINKPAD_ACPI_VIDEO 26541b16dceSLen Brown bool "Video output control support" 26641b16dceSLen Brown depends on THINKPAD_ACPI 26741b16dceSLen Brown default y 26841b16dceSLen Brown ---help--- 26941b16dceSLen Brown Allows the thinkpad_acpi driver to provide an interface to control 27041b16dceSLen Brown the various video output ports. 27141b16dceSLen Brown 27241b16dceSLen Brown This feature often won't work well, depending on ThinkPad model, 27341b16dceSLen Brown display state, video output devices in use, whether there is a X 27441b16dceSLen Brown server running, phase of the moon, and the current mood of 27541b16dceSLen Brown Schroedinger's cat. If you can use X.org's RandR to control 27641b16dceSLen Brown your ThinkPad's video output ports instead of this feature, 27741b16dceSLen Brown don't think twice: do it and say N here to save some memory. 27841b16dceSLen Brown 27941b16dceSLen Brown If you are not sure, say Y here. 28041b16dceSLen Brown 28141b16dceSLen Brownconfig THINKPAD_ACPI_HOTKEY_POLL 28241b16dceSLen Brown bool "Support NVRAM polling for hot keys" 28341b16dceSLen Brown depends on THINKPAD_ACPI 28441b16dceSLen Brown default y 28541b16dceSLen Brown ---help--- 28641b16dceSLen Brown Some thinkpad models benefit from NVRAM polling to detect a few of 28741b16dceSLen Brown the hot key press events. If you know your ThinkPad model does not 28841b16dceSLen Brown need to do NVRAM polling to support any of the hot keys you use, 28941b16dceSLen Brown unselecting this option will save about 1kB of memory. 29041b16dceSLen Brown 29141b16dceSLen Brown ThinkPads T40 and newer, R52 and newer, and X31 and newer are 29241b16dceSLen Brown unlikely to need NVRAM polling in their latest BIOS versions. 29341b16dceSLen Brown 29441b16dceSLen Brown NVRAM polling can detect at most the following keys: ThinkPad/Access 29541b16dceSLen Brown IBM, Zoom, Switch Display (fn+F7), ThinkLight, Volume up/down/mute, 29641b16dceSLen Brown Brightness up/down, Display Expand (fn+F8), Hibernate (fn+F12). 29741b16dceSLen Brown 29841b16dceSLen Brown If you are not sure, say Y here. The driver enables polling only if 29941b16dceSLen Brown it is strictly necessary to do so. 30041b16dceSLen Brown 30141b16dceSLen Brownconfig INTEL_MENLOW 30241b16dceSLen Brown tristate "Thermal Management driver for Intel menlow platform" 30341b16dceSLen Brown depends on ACPI_THERMAL 30441b16dceSLen Brown select THERMAL 30541b16dceSLen Brown ---help--- 30641b16dceSLen Brown ACPI thermal management enhancement driver on 30741b16dceSLen Brown Intel Menlow platform. 30841b16dceSLen Brown 30941b16dceSLen Brown If unsure, say N. 31041b16dceSLen Brown 31141b16dceSLen Brownconfig EEEPC_LAPTOP 31241b16dceSLen Brown tristate "Eee PC Hotkey Driver (EXPERIMENTAL)" 31341b16dceSLen Brown depends on ACPI 3143a5093eeSAlexey Dobriyan depends on INPUT 31541b16dceSLen Brown depends on EXPERIMENTAL 316d97c0defSLen Brown select BACKLIGHT_CLASS_DEVICE 317d97c0defSLen Brown select HWMON 318d97c0defSLen Brown select RFKILL 31941b16dceSLen Brown ---help--- 32041b16dceSLen Brown This driver supports the Fn-Fx keys on Eee PC laptops. 32141b16dceSLen Brown It also adds the ability to switch camera/wlan on/off. 32241b16dceSLen Brown 32341b16dceSLen Brown If you have an Eee PC laptop, say Y or M here. 32441b16dceSLen Brown 325b4f9fe12SLen Brown 326b4f9fe12SLen Brownconfig ACPI_WMI 3275fcdd177SCarlos Corbacho tristate "WMI" 328b4f9fe12SLen Brown depends on ACPI 329b4f9fe12SLen Brown help 330b4f9fe12SLen Brown This driver adds support for the ACPI-WMI (Windows Management 331b4f9fe12SLen Brown Instrumentation) mapper device (PNP0C14) found on some systems. 332b4f9fe12SLen Brown 333b4f9fe12SLen Brown ACPI-WMI is a proprietary extension to ACPI to expose parts of the 334b4f9fe12SLen Brown ACPI firmware to userspace - this is done through various vendor 335b4f9fe12SLen Brown defined methods and data blocks in a PNP0C14 device, which are then 336b4f9fe12SLen Brown made available for userspace to call. 337b4f9fe12SLen Brown 338b4f9fe12SLen Brown The implementation of this in Linux currently only exposes this to 339b4f9fe12SLen Brown other kernel space drivers. 340b4f9fe12SLen Brown 341b4f9fe12SLen Brown This driver is a required dependency to build the firmware specific 342b4f9fe12SLen Brown drivers needed on many machines, including Acer and HP laptops. 343b4f9fe12SLen Brown 344b4f9fe12SLen Brown It is safe to enable this driver even if your DSDT doesn't define 345b4f9fe12SLen Brown any ACPI-WMI devices. 346b4f9fe12SLen Brown 347b4f9fe12SLen Brownconfig ACPI_ASUS 348b4f9fe12SLen Brown tristate "ASUS/Medion Laptop Extras" 349b4f9fe12SLen Brown depends on ACPI 350b4f9fe12SLen Brown select BACKLIGHT_CLASS_DEVICE 351b4f9fe12SLen Brown ---help--- 352b4f9fe12SLen Brown This driver provides support for extra features of ACPI-compatible 353b4f9fe12SLen Brown ASUS laptops. As some of Medion laptops are made by ASUS, it may also 354b4f9fe12SLen Brown support some Medion laptops (such as 9675 for example). It makes all 355b4f9fe12SLen Brown the extra buttons generate standard ACPI events that go through 356b4f9fe12SLen Brown /proc/acpi/events, and (on some models) adds support for changing the 357b4f9fe12SLen Brown display brightness and output, switching the LCD backlight on and off, 358b4f9fe12SLen Brown and most importantly, allows you to blink those fancy LEDs intended 359b4f9fe12SLen Brown for reporting mail and wireless status. 360b4f9fe12SLen Brown 361b4f9fe12SLen Brown Note: display switching code is currently considered EXPERIMENTAL, 362b4f9fe12SLen Brown toying with these values may even lock your machine. 363b4f9fe12SLen Brown 364b4f9fe12SLen Brown All settings are changed via /proc/acpi/asus directory entries. Owner 365b4f9fe12SLen Brown and group for these entries can be set with asus_uid and asus_gid 366b4f9fe12SLen Brown parameters. 367b4f9fe12SLen Brown 368b4f9fe12SLen Brown More information and a userspace daemon for handling the extra buttons 369b4f9fe12SLen Brown at <http://sourceforge.net/projects/acpi4asus/>. 370b4f9fe12SLen Brown 371b4f9fe12SLen Brown If you have an ACPI-compatible ASUS laptop, say Y or M here. This 372b4f9fe12SLen Brown driver is still under development, so if your laptop is unsupported or 373b4f9fe12SLen Brown something works not quite as expected, please use the mailing list 374b4f9fe12SLen Brown available on the above page (acpi4asus-user@lists.sourceforge.net). 375b4f9fe12SLen Brown 376b4f9fe12SLen Brown NOTE: This driver is deprecated and will probably be removed soon, 377b4f9fe12SLen Brown use asus-laptop instead. 378b4f9fe12SLen Brown 379b4f9fe12SLen Brownconfig ACPI_TOSHIBA 380b4f9fe12SLen Brown tristate "Toshiba Laptop Extras" 381b4f9fe12SLen Brown depends on ACPI 382b4f9fe12SLen Brown depends on INPUT 383b4f9fe12SLen Brown select INPUT_POLLDEV 384b4f9fe12SLen Brown select NET 385b4f9fe12SLen Brown select RFKILL 386b4f9fe12SLen Brown select BACKLIGHT_CLASS_DEVICE 387b4f9fe12SLen Brown ---help--- 388b4f9fe12SLen Brown This driver adds support for access to certain system settings 389b4f9fe12SLen Brown on "legacy free" Toshiba laptops. These laptops can be recognized by 390b4f9fe12SLen Brown their lack of a BIOS setup menu and APM support. 391b4f9fe12SLen Brown 392b4f9fe12SLen Brown On these machines, all system configuration is handled through the 393b4f9fe12SLen Brown ACPI. This driver is required for access to controls not covered 394b4f9fe12SLen Brown by the general ACPI drivers, such as LCD brightness, video output, 395b4f9fe12SLen Brown etc. 396b4f9fe12SLen Brown 397b4f9fe12SLen Brown This driver differs from the non-ACPI Toshiba laptop driver (located 398b4f9fe12SLen Brown under "Processor type and features") in several aspects. 399b4f9fe12SLen Brown Configuration is accessed by reading and writing text files in the 400b4f9fe12SLen Brown /proc tree instead of by program interface to /dev. Furthermore, no 401b4f9fe12SLen Brown power management functions are exposed, as those are handled by the 402b4f9fe12SLen Brown general ACPI drivers. 403b4f9fe12SLen Brown 404b4f9fe12SLen Brown More information about this driver is available at 405b4f9fe12SLen Brown <http://memebeam.org/toys/ToshibaAcpiDriver>. 406b4f9fe12SLen Brown 407b4f9fe12SLen Brown If you have a legacy free Toshiba laptop (such as the Libretto L1 408b4f9fe12SLen Brown series), say Y. 40941b16dceSLen Brownendif # X86_PLATFORM_DEVICES 410