Systemd/extras/keymap/95-keyboard-force-release.r...

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# Set model specific atkbd force_release quirk
#
# Several laptops have hotkeys which don't generate release events,
# which can cause problems with software key repeat.
# The atkbd driver has a quirk handler for generating synthetic
# release events, which can be configured via sysfs since 2.6.32.
# Simply add a file with a list of scancodes for your laptop model
# in /lib/udev/keymaps, and add a rule here.
# If the hotkeys also need a keymap assignment you can copy the
# scancodes from the keymap file, otherwise you can run
# /lib/udev/keymap -i /dev/input/eventX
# on a Linux vt to find out.
ACTION!="add|change", GOTO="force_release_end"
SUBSYSTEM!="serio", GOTO="force_release_end"
KERNEL!="serio*", GOTO="force_release_end"
DRIVER!="atkbd", GOTO="force_release_end"
ENV{DMI_VENDOR}="$attr{[dmi/id]sys_vendor}"
ENV{DMI_VENDOR}=="[sS][aA][mM][sS][uU][nN][gG]*", ATTR{[dmi/id]product_name}=="*N130*|*N140*|*SR70S/SR71S*", RUN+="keyboard-force-release.sh $devpath samsung-other"
LABEL="force_release_end"