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1800f7098a
The cros-ec-accel and cros-ec-accel-legacy kernel modules internally correct for the board-specific accelerometer mounting orientations. Their sensor outputs are in a standard reference frame consistent across different boards, so the orientation matrix already added for a number of devices should apply to every device using cros-ec accelerometers. The different matrix for the 'Nocturne' board seems to be an error. Replace the existing hwdb rules for select Chromebooks with generic rules that apply to all Chromebooks.
Files in this directory specify a description of hardware devices, in the form of mappings from modalias-like keys (which identify specific hardware devices) to udev properties. Files in this directory are not read by udev directly. Instead, man:systemd-hwdb(8) compiles them into a binary database. See man:hwdb(7) for an overview of the configuration file format, and man:systemd-udevd.service(8) for a description of the udev daemon. Use 'systemd-analyze cat-config udev/hwdb.d' to display the effective config.