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systemd-stable/rules/60-evdev.rules
Hans de Goede 57bb707d48 rules: Add extended evdev/input match rules for event nodes with the same name
Sometimes a system may have 2 input event nodes with the same name where
we only want to apply keyboard hwdb rules to 1 of the 2 devices.

This problem happens e.g. on devices where the soc_button_array driver is
used (e.g. intel atom based tablets) which registers 2 event nodes with
the name "gpio-keys".

This commit adds a new extended match rule which extends the match to also
check $attr{phys} and $attr{capabilities/ev}, allowing to differentiate
between devices with an identical name.

Suggested-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2017-02-12 12:43:23 +01:00

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# do not edit this file, it will be overwritten on update
ACTION=="remove", GOTO="evdev_end"
KERNEL!="event*", GOTO="evdev_end"
# skip later rules when we find something for this input device
IMPORT{builtin}="hwdb --subsystem=input --lookup-prefix=evdev:", \
RUN{builtin}+="keyboard", GOTO="evdev_end"
# AT keyboard matching by the machine's DMI data
ENV{ID_INPUT_KEY}=="?*", DRIVERS=="atkbd", \
IMPORT{builtin}="hwdb 'evdev:atkbd:$attr{[dmi/id]modalias}'", \
RUN{builtin}+="keyboard", GOTO="evdev_end"
# device matching the input device name + properties + the machine's DMI data
KERNELS=="input*", IMPORT{builtin}="hwdb 'evdev:name:$attr{name}:phys:$attr{phys}:ev:$attr{capabilities/ev}:$attr{[dmi/id]modalias}'", \
RUN{builtin}+="keyboard", GOTO="evdev_end"
# device matching the input device name and the machine's DMI data
KERNELS=="input*", IMPORT{builtin}="hwdb 'evdev:name:$attr{name}:$attr{[dmi/id]modalias}'", \
RUN{builtin}+="keyboard", GOTO="evdev_end"
LABEL="evdev_end"