[Bug 209011] asus-wmi always reports tablet mode on a ZenBook UX390UAK

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=209011

--- Comment #7 from Hans de Goede (jwrdegoede@fedoraproject.org) ---
Julius, thank you for your bug report.

5.13.5 does contain the fix for the origin bug reported here. For a while now
the kernel's asus-wmi code will only report SW_TABLET_MODE on devices on which
it is explicitly enabled by a DMI match, on all other models the asus-wmi code
will not report SW_TABLET_MODE at all.

So I wonder if the SW_TABLET_MODE is perhaps being reported by another driver
such as the intel-hid or intel-vbtn code.

If you look at the libinput output in comment 0:

-event7   DEVICE_ADDED     Asus WMI hotkeys                  seat0 default
group9  cap:kS
 event7   SWITCH_TOGGLE    +0.000s      switch tablet-mode state 1

Then the "event7" on the beginning of the line is the same for both devices. I
suspect that if you look-up the DEVICE_ADDED line for the "event#" with which
the SWITCH_TOGGLE which you are seeing is prefixed, then it will be another
device then the "Asus WMI hotkeys" device.

If the DEVICE_ADDED with the matching "event#" is the "Asus WMI hotkeys"
device, then something weird is going on with the DMI matching, in that case
please provide the output of: "cat /sys/class/dmi/id/sys_vendor
/sys/class/dmi/id/product_name"

If the DEVICE_ADDED with the matching "event#" is for another device, which I
expect, please provide the following info:

1. Can you please add "wmi.debug_event=1 wmi.debug_dump_wdg=1" to your kernel
commandline (see your distro's documentation) and then reboot and fold the
device into tablet-mode and back to laptop-mode once. After this run "dmesg >
dmesg.txt" and attach the generated dmesg.txt file here.

2. Run "sudo acpidump -o acpidump.txt" and attach the generated acpidump.txt
file here.

3. Run "ls -l /sys/bus/iio/devices > ls-bus-iio.txt" and attach the generated
ls-bus-iio.txt file here.

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