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evdev: fix android MT devices

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These devices don't provide ABS_X/Y, but do have proper multitouch.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Peter Hutterer 2015-03-17 12:31:37 +10:00
parent 9761db6720
commit dc1d946170
1 changed files with 20 additions and 0 deletions
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20
src/evdev.c
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@ -1396,6 +1396,25 @@ evdev_device_get_udev_tags(struct evdev_device *device,
return tags;
}
static inline void
evdev_fix_android_mt(struct evdev_device *device)
{
struct libevdev *evdev = device->evdev;
if (libevdev_has_event_code(evdev, EV_ABS, ABS_X) ||
libevdev_has_event_code(evdev, EV_ABS, ABS_Y))
return;
if (!libevdev_has_event_code(evdev, EV_ABS, ABS_MT_POSITION_X) ||
!libevdev_has_event_code(evdev, EV_ABS, ABS_MT_POSITION_Y))
return;
libevdev_set_abs_info(evdev, ABS_X,
libevdev_get_abs_info(evdev, ABS_MT_POSITION_X));
libevdev_set_abs_info(evdev, ABS_Y,
libevdev_get_abs_info(evdev, ABS_MT_POSITION_Y));
}
static int
evdev_configure_device(struct evdev_device *device)
{
@ -1449,6 +1468,7 @@ evdev_configure_device(struct evdev_device *device)
}
if (libevdev_has_event_type(evdev, EV_ABS)) {
evdev_fix_android_mt(device);
if ((absinfo = libevdev_get_abs_info(evdev, ABS_X))) {
if (evdev_fix_abs_resolution(evdev,