Signed-off-by: Andreas Pokorny <andreas.poko...@canonical.com>
---
src/evdev.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/src/evdev.c b/src/evdev.c
index 29303f8..1373e6f 100644
--- a/src/evdev.c
+++ b/src/evdev.c
@@ -1886,6 +1886,16 @@ evdev_check_min_max(struct evdev_device *device,
unsigned int code)
libevdev_disable_event_code(device->evdev,
EV_ABS,
code);
+ /* mediatek kernels tend to mangle the initialization routines
+ * for a set of touch screen drivers, so they report a broken
+ * value range on ABS_MT_TRACKING_ID
+ */
+ } else if (absinfo->minimum == 0 &&
+ code == ABS_MT_TRACKING_ID) {
+ log_bug_kernel(device->base.seat->libinput,
+ "Device '%s' has min == max == 0 on
%s\n",
+ device->devname,
+ libevdev_event_code_get_name(EV_ABS,
code));
} else {
log_bug_kernel(device->base.seat->libinput,
"Device '%s' has min == max on %s\n",
--
2.1.4
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