The Lenovo X230 advertise a vertical resolution of 136, which gives a size
of 31 mm. The actual size of the touchpad is 40mm, so override the
resolution to 100.

/!\ This is a temporary fix. The proper fix should go in hwdb. /!\

Signed-off-by: Benjamin Tissoires <[email protected]>
---
 src/evdev.c |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)

diff --git a/src/evdev.c b/src/evdev.c
index 88d9169..9073eb6 100644
--- a/src/evdev.c
+++ b/src/evdev.c
@@ -1463,6 +1463,17 @@ evdev_fix_android_mt(struct evdev_device *device)
                      libevdev_get_abs_info(evdev, ABS_MT_POSITION_Y));
 }
 
+static inline void
+evdev_fix_x230_res(struct evdev_device *device)
+{
+       struct libevdev *evdev = device->evdev;
+
+       /* ugly hack while EV_ABS_OVERRIDE is merged in udev */
+
+       if (device->model_lenovo_x230)
+               libevdev_set_abs_resolution(evdev, ABS_Y, 100);
+}
+
 static inline int
 evdev_check_min_max(struct evdev_device *device, unsigned int code)
 {
@@ -1653,6 +1664,8 @@ evdev_configure_device(struct evdev_device *device)
                evdev_fix_android_mt(device);
 
        if (libevdev_has_event_code(evdev, EV_ABS, ABS_X)) {
+               evdev_fix_x230_res(device);
+
                if (evdev_fix_abs_resolution(device,
                                             ABS_X,
                                             ABS_Y,
-- 
1.7.1

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