On Wed, May 10, 2017 at 1:59 PM, Henrique de Moraes Holschuh <h...@hmh.eng.br
> wrote:
>
> If Windows knows it, then the sensor is typically exported through ACPI,
> or WMI. If Windows does not do anything different when you change
> modes, there might not be a sensor at all.
>
Windows does support the device and switches into tablet mode appropriately.
>
> Anyway, if it is not in ACPI, check WMI, the keyboard controller stream,
> or any suspicious built-in USB HID devices...
>
>
There don't seem to be any suspicious looking USB HID devices, and nothing
is generating input events on the change. I assume that looking for input
events would also catch "the keyboard controller stream", although I'm not
sure.
There are some WMI entries in the DSDT table; if you have a moment to take
a look, the output of 'acpidump' and 'fwts wmi' are available at:
https://github.com/larsks/yoga-11e-acpi/
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