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Commit Graph

2 Commits

Author SHA1 Message Date
Zbigniew Jędrzejewski-Szmek
c7e3c3ecac rules: finish incomplete rename
Fixup for 51c0c28698.
2015-04-12 10:20:24 -04:00
Peter Hutterer
51c0c28698 udev: builtin-keyboard: add support for EVDEV_ABS_*
Parse properties in the form
EVDEV_ABS_00="<min>:<max>:<res>:<fuzz>:<flat>"

and apply them to the kernel device. Future processes that open that device
will see the updated EV_ABS range.

This is particularly useful for touchpads that don't provide a resolution in
the kernel driver but can be fixed up through hwdb entries (e.g. bcm5974).

All values in the property are optional, e.g. a string of "::45" is valid to
set the resolution to 45.

The order intentionally orders resolution before fuzz and flat despite it
being the last element in the absinfo struct. The use-case for setting
fuzz/flat is almost non-existent, resolution is probably the most common case
we'll need.

To avoid multiple hwdb invocations for the same device, replace the
hwdb "keyboard:" prefix with "evdev:" and drop the separate 60-keyboard.rules
file. The new 60-evdev.rules is called for all event nodes
anyway, we don't need a separate rules file and second callout to the hwdb
builtin.
2015-04-11 08:44:33 +10:00