Dell Inspiron 1090 (Duo) - ArchWiki

# Dell Inspiron 1090 (Duo)

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Reason: Needs a hardware table and a function keys table (Discuss in Talk:Dell Inspiron 1090 (Duo)#)

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Reason: This page is ancient (Discuss in Talk:Laptop#Old laptop pages)

## Accelerometer

According to this source, the model name is `LSM303DLH`. Only partial configuration has been achieved so far, although the cited source claims to have full support of the accelerometer. See STMicroelectronics LSM303DLH Accelerometer/Magenetometer.

## Folding detection

When this computer is folded (or unfolded) into a tablet, it sends a keystroke. You can assign the keys `XF86LAUNCH1` and `XF86LAUNCH2` to these keystrokes with the following commands, respectively:

    setkeycodes e073 148
    setkeycodes e074 149

Tip: Add those commands to `/etc/rc.local` to execute them when booting.

## Screen rotation

The screen can be rotated with `xrandr`, but the coordinates of the touchscreen are not rotated accordingly. You can fix this with `xinput` by running the following commands:

Warning: This commmands depend on the output of `xinput --list`, which may change on driver updates for the touchscreen.

    xrandr -o left

    xinput set-prop "eGalax Inc. USB TouchController" 'Coordinate Transformation Matrix' 0 1 0 1 0 0 0 0 1
    xinput set-prop "eGalax Inc. USB TouchController" 'Evdev Axis Inversion' 0 1
    xinput set-prop "eGalaxTouch Virtual Device for Multi" 'Coordinate Transformation Matrix' 0 1 0 1 0 0 0 0 1
    xinput set-prop "eGalaxTouch Virtual Device for Multi" 'Evdev Axis Inversion' 0 1
    xinput set-prop "eGalaxTouch Virtual Device for Single" 'Coordinate Transformation Matrix' 0 1 0 1 0 0 0 0 1
    xinput set-prop "eGalaxTouch Virtual Device for Single" 'Evdev Axis Inversion' 0 1

    xrandr -o right

    xinput set-prop "eGalax Inc. USB TouchController" 'Coordinate Transformation Matrix' 0 1 0 1 0 0 0 0 1
    xinput set-prop "eGalax Inc. USB TouchController" 'Evdev Axis Inversion' 1 0
    xinput set-prop "eGalaxTouch Virtual Device for Multi" 'Coordinate Transformation Matrix' 0 1 0 1 0 0 0 0 1
    xinput set-prop "eGalaxTouch Virtual Device for Multi" 'Evdev Axis Inversion' 1 0
    xinput set-prop "eGalaxTouch Virtual Device for Single" 'Coordinate Transformation Matrix' 0 1 0 1 0 0 0 0 1
    xinput set-prop "eGalaxTouch Virtual Device for Single" 'Evdev Axis Inversion' 1 0

    xrandr -o inverted

    xinput set-prop "eGalax Inc. USB TouchController" 'Coordinate Transformation Matrix' 1 0 0 0 1 0 0 0 1
    xinput set-prop "eGalax Inc. USB TouchController" 'Evdev Axis Inversion' 1 1
    xinput set-prop "eGalaxTouch Virtual Device for Multi" 'Coordinate Transformation Matrix' 1 0 0 0 1 0 0 0 1
    xinput set-prop "eGalaxTouch Virtual Device for Multi" 'Evdev Axis Inversion' 0 0
    xinput set-prop "eGalaxTouch Virtual Device for Single" 'Coordinate Transformation Matrix' 1 0 0 0 1 0 0 0 1
    xinput set-prop "eGalaxTouch Virtual Device for Single" 'Evdev Axis Inversion' 0 0

    xrandr -o normal

    xinput set-prop "eGalax Inc. USB TouchController" 'Coordinate Transformation Matrix' 1 0 0 0 1 0 0 0 1
    xinput set-prop "eGalax Inc. USB TouchController" 'Evdev Axis Inversion' 0 0
    xinput set-prop "eGalaxTouch Virtual Device for Multi" 'Coordinate Transformation Matrix' 1 0 0 0 1 0 0 0 1
    xinput set-prop "eGalaxTouch Virtual Device for Multi" 'Evdev Axis Inversion' 0 0
    xinput set-prop "eGalaxTouch Virtual Device for Single" 'Coordinate Transformation Matrix' 1 0 0 0 1 0 0 0 1
    xinput set-prop "eGalaxTouch Virtual Device for Single" 'Evdev Axis Inversion' 0 0

Observe that the transformation matrix is the same for normal and inverted orientations, and for left and right orientations. Therefor the corresponding commands need to be applied only when changing between orientations with different transformation matrix.

## See also

- Thread in the Ubuntu Forums.
- Luke Ross' website

Category:

- Dell

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