Hi,
just a minor idea: the acpi rsdp revision is currently hard-corded in
base-nova's core platform.cc to '2'. I don't really believe that this
could make a difference, but maybe check that this actually matches the
revision as reported by grub2 to the kernel. The revision is currently
not
Hi,
thanks for your answer. Well the I2C controller is already enabled. I
can successfully run \_SB_.I2C4._PS(0|3). I even can measure the effect
since the magic value in the mmio is only available if _PS0 was called
on the I2C controller.
I have traced the initialization on Linux (exactly said
Hi,
On 03.08.2017 13:29, Johannes Kliemann wrote:
>> I have a touchscreen controller (which is an I2C slave) that I need to
>> enable via APCI. This should be done by calling the _PS0 ACPI method. I call
>> this method by using AcpiEvaluateObject with no arguments and no return
>> values.
Hi again,
first, I have posted this question already on Stackoverflow [1] and
Reddit [2] but forgot to put it on the mailing list.
> I have a touchscreen controller (which is an I2C slave) that I need to enable
> via APCI. This should be done by calling the _PS0 ACPI method. I call this
>