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trackpoint: parse a trackpoint range property

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Add parsing for a LIBINPUT_ATTR_TRACKPOINT_RANGE property to enable
hardware-dependent ranges. These take precedence over the sensitivity parsing.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer 2017-05-16 13:10:07 +10:00
parent 3669fa10df
commit 2cadb5f487
1 changed files with 16 additions and 0 deletions
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16
src/evdev.c
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@ -2216,6 +2216,20 @@ evdev_get_trackpoint_range(struct evdev_device *device)
if (!(device->tags & EVDEV_TAG_TRACKPOINT))
return DEFAULT_TRACKPOINT_RANGE;
prop = udev_device_get_property_value(device->udev_device,
"LIBINPUT_ATTR_TRACKPOINT_RANGE");
if (prop) {
if (!safe_atoi(prop, &range) ||
(range < 0.0 || range > 100)) {
evdev_log_error(device,
"trackpoint range property is present but invalid, "
"using %d instead\n",
DEFAULT_TRACKPOINT_RANGE);
range = DEFAULT_TRACKPOINT_RANGE;
}
goto out;
}
prop = udev_device_get_property_value(device->udev_device,
"POINTINGSTICK_SENSITIVITY");
if (prop) {
@ -2233,6 +2247,8 @@ evdev_get_trackpoint_range(struct evdev_device *device)
sensitivity/DEFAULT_TRACKPOINT_SENSITIVITY;
}
out:
evdev_log_info(device, "trackpoint device set to range %d\n", range);
return range;
}