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I am trying to install Ubuntu 19:10 on a Medion 3221 - MD 61167 laptop, but I'm have truble with cofiguring iio-sensor-proxy.

When I boot Into Ubuntu live session the screen orientation is to the left, although the laptop is laying flat on the table.

I have followed the instructions provided on the github webpage: https://github.com/systemd/systemd/blob/master/hwdb.d/60-sensor.hwdb

  1. I created a hwdb file at /etc/udev/hwdb.d/61-sensor-local.hwdb
  2. Inside the file I added two lines:
sensor:modalias:acpi:KIOX010A*:dmi:*:svnMEDION:pnE3221MD61167:*
 ACCEL_MOUNT_MATRIX=0, -1, 0; -1, 0, 0; 0, 0, 1
  1. Then i updated systemd hwdb with:
systemd-hwdb update
udevadm trigger -v -p DEVNAME=/dev/iio:device0

Unfortunetly the Issue is still present.

Edit:

I have tried changing the values inside the ACCEL_MOUNT_MATRIX, using other sensor modalias value that belong to similar laptop models in the hwdb file and logging out of gnome session, but that did not solve the problem.

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  • My device has the same orientation issue and I just removed iio-sensor-proxy completely.
    – yaobin
    Commented Mar 4, 2021 at 2:37

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