touchpad: reduce palm detection threshold to 70mm

https://bugzilla.redhat.com/show_bug.cgi?id=1209753 lists a touchpad 76mm wide
that suffers from palm touches

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>

diff --git a/src/evdev-mt-touchpad.c b/src/evdev-mt-touchpad.c
index 4e5a558..452cb85 100644 (file)
--- a/src/evdev-mt-touchpad.c
+++ b/src/evdev-mt-touchpad.c
@@ -1135,7 +1135,7 @@ tp_init_palmdetect(struct tp_dispatch *tp,
 
                /* Enable palm detection on touchpads >= 80 mm. Anything smaller
                   probably won't need it, until we find out it does */
-               if (width/device->abs.absinfo_x->resolution < 80)
+               if (width/device->abs.absinfo_x->resolution < 70)
                        return 0;
        }
 

diff --git a/test/touchpad.c b/test/touchpad.c
index cd86f04..4e425f5 100644 (file)
--- a/test/touchpad.c
+++ b/test/touchpad.c
@@ -2469,7 +2469,7 @@ touchpad_has_palm_detect_size(struct litest_device *dev)
 
        rc = libinput_device_get_size(dev->libinput_device, &width, &height);
 
-       return rc == 0 && width >= 80;
+       return rc == 0 && width >= 70;
 }
 
 START_TEST(touchpad_palm_detect_at_edge)