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How to configure the Linux kernel/drivers/input

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Howto configure the Linux kernel / drivers / input


Input device configuration

Input device supportEdit

  • Option: INPUT
    • Kernel Versions: 2.6.15.6 ...
    • (on/off/module) Generic input layer (needed for keyboard, mouse, ...) if EMBEDDED
    • default y
      Say Y here if you have any input device (mouse, keyboard, tablet, joystick, steering wheel ...) connected to your system and want it to be available to applications. This includes standard PS/2 keyboard and mouse.
      Say N here if you have a headless (no monitor, no keyboard) system.
      More information is available: <file:Documentation/input/input.txt>
      If unsure, say Y.
      To compile this driver as a module, choose M here: the module will be called input.

INPUT

"Userland interfaces"


  • Option: INPUT_MOUSEDEV
    • Kernel Versions: 2.6.15.6 ...
    • (on/off/module) Mouse interface if EMBEDDED
    • default y
      Say Y here if you want your mouse to be accessible as char devices 13:32+ - /dev/input/mouseX and 13:63 - /dev/input/mice as an emulated IntelliMouse Explorer PS/2 mouse. That way, all user space programs (including SVGAlib, GPM and X) will be able to use your mouse.
      If unsure, say Y.
      To compile this driver as a module, choose M here: the module will be called mousedev.


  • Option: INPUT_MOUSEDEV_PSAUX
    • Kernel Versions: 2.6.15.6 ...
    • (on/off) Provide legacy /dev/psaux device
    • default y
    • depends on INPUT_MOUSEDEV
      Say Y here if you want your mouse also be accessible as char device 10:1 - /dev/psaux. The data available through /dev/psaux is exactly the same as the data from /dev/input/mice.
      If unsure, say Y.



  • Option: INPUT_MOUSEDEV_SCREEN_X
    • Kernel Versions: 2.6.15.6 ...

"Horizontal screen resolution"

    • depends on INPUT_MOUSEDEV
    • default "1024"
      If you're using a digitizer, or a graphic tablet, and want to use it as a mouse then the mousedev driver needs to know the X window screen resolution you are using to correctly scale the data. If you're not using a digitizer, this value is ignored.


  • Option: INPUT_MOUSEDEV_SCREEN_Y
    • Kernel Versions: 2.6.15.6 ...

"Vertical screen resolution"

    • depends on INPUT_MOUSEDEV
    • default "768"
      If you're using a digitizer, or a graphic tablet, and want to use it as a mouse then the mousedev driver needs to know the X window screen resolution you are using to correctly scale the data. If you're not using a digitizer, this value is ignored.


  • Option: INPUT_JOYDEV
    • Kernel Versions: 2.6.15.6 ...
    • (on/off/module) Joystick interface
      Say Y here if you want your joystick or gamepad to be accessible as char device 13:0+ - /dev/input/jsX device.
      If unsure, say Y.
      More information is available: <file:Documentation/input/joystick.txt>
      To compile this driver as a module, choose M here: the module will be called joydev.


  • Option: INPUT_TSDEV
    • Kernel Versions: 2.6.15.6 ...
    • (on/off/module) Touchscreen interface
      Say Y here if you have an application that only can understand the Compaq touchscreen protocol for absolute pointer data. This is useful namely for embedded configurations.
      If unsure, say N.
      To compile this driver as a module, choose M here: the module will be called tsdev.


  • Option: INPUT_TSDEV_SCREEN_X
    • Kernel Versions: 2.6.15.6 ...

"Horizontal screen resolution"

    • depends on INPUT_TSDEV
    • default "240"


  • Option: INPUT_TSDEV_SCREEN_Y
    • Kernel Versions: 2.6.15.6 ...

"Vertical screen resolution"

    • depends on INPUT_TSDEV
    • default "320"


  • Option: INPUT_EVDEV
    • Kernel Versions: 2.6.15.6 ...
    • (on/off/module) Event interface
      Say Y here if you want your input device events be accessible under char device 13:64+ - /dev/input/eventX in a generic way.
      To compile this driver as a module, choose M here: the module will be called evdev.


  • Option: INPUT_EVBUG
    • Kernel Versions: 2.6.15.6 ...
    • (on/off/module) Event debugging
      Say Y here if you have a problem with the input subsystem and want all events (keypresses, mouse movements), to be output to the system log. While this is useful for debugging, it's also a security threat - your keypresses include your passwords, of course.
      If unsure, say N.
      To compile this driver as a module, choose M here: the module will be called evbug.

"Input Device Drivers"







Hardware I/O portsEdit





Linux Kernel Configuration

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