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doc: add a note that sometimes there's more than one ID_INPUT_* set

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Just setting one of them on a device doesn't guarantee that libinput takes
that as device type.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer 2015-04-22 08:16:42 +10:00
parent fb53e08f96
commit 7016a960b8
1 changed files with 4 additions and 1 deletions
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5
doc/device-configuration-via-udev.dox
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@ -44,7 +44,10 @@ udev_device_type.</dt>
ID_INPUT_TOUCHSCREEN, ID_INPUT_TABLET, ID_INPUT_JOYSTICK,
ID_INPUT_ACCELEROMETER</dt>
<dd>If any of the above is set, libinput initializes the device as the given
type, see @ref udev_device_type.</dd>
type, see @ref udev_device_type. Note that for historical reasons more than
one of these may be set at any time, libinput will select only one of these
to determine the device type. To ensure libinput selects the correct device
type, only set one of them.</dd>
<dt>WL_SEAT</dt>
<dd>Assigns the logical seat for this device. See
libinput_seat_get_logical_name()