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Hello there,
I'm using thinkpad_acpi on a Lenovo Thinkpad X1 Carbon (3rd
generation). The module only loads on my laptop with force_load=1.
The module seems to check for TPACPI_ACPI_LENOVO_HKEY_HID and
TPACPI_ACPI_EC_HID, both of which are present on my system with the
same ACPI device ID's shown in the module on lines 129 and 130.
/* ACPI HIDs */
#define TPACPI_ACPI_IBM_HKEY_HID "IBM0068"
#define TPACPI_ACPI_LENOVO_HKEY_HID "LEN0068"
#define TPACPI_ACPI_EC_HID "PNP0C09"
- From my laptop:
$ egrep "LEN0068|PNP0C09" dsdt.dsl
Name (_HID, EisaId ("PNP0C09") /* Embedded Controller Device */) //
_HID: Hardware ID
Name (_HID, EisaId ("LEN0068")) // _HID: Hardware ID
However, when the module loads, I find the following in dmesg:
thinkpad_acpi: Unsupported brightness interface, please contact
ibm-acpi-devel@xxxxxxxxxxxxxxxxxxxxx
I'm running Linux 3.18.8 at the moment. After looking at
probe_for_thinkpad(), I can't figure out the fix. The module works
fine with force_load=1. My brightness, webcam, and video switching
buttons work perfectly and I can adjust the main LED (0) in
on/off/blink modes.
Would someone be able to give me some pointers on how to patch this
one? Thanks!
- --
Major Hayden
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