linux-kernel - ThinkPad T480s & thinkpad

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Date:   Fri, 8 Jun 2018 10:12:04 +0200
From:   Pali Rohár <pali.rohar@...il.com>
To:     Henrique de Moraes Holschuh <ibm-acpi@....eng.br>,
        ibm-acpi-devel@...ts.sourceforge.net,
        platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: ThinkPad T480s & thinkpad_acpi.ko

Hi! I just found out that thinkpad_acpi.ko is not automatically loaded
on new ThinkPad T480s. Is there any reason for it? Manually calling
modprobe thinkpad_acpi is working fine, but I would expect that it
should be loaded automatically.

Here is dmesg output after loading it manually:

thinkpad_acpi: ThinkPad ACPI Extras v0.25
thinkpad_acpi: http://ibm-acpi.sf.net/
thinkpad_acpi: ThinkPad BIOS N22ET34W (1.11 ), EC unknown
thinkpad_acpi: Lenovo ThinkPad T480s, model 20L7S03000
thinkpad_acpi: radio switch found; radios are enabled
thinkpad_acpi: This ThinkPad has standard ACPI backlight brightness control, supported by the ACPI video driver
thinkpad_acpi: Disabling thinkpad-acpi brightness events by default...
thinkpad_acpi: rfkill switch tpacpi_bluetooth_sw: radio is unblocked
thinkpad_acpi: Standard ACPI backlight interface available, not loading native one

-- 
Pali Rohár
pali.rohar@...il.com