Any thoughts guys? This laptop has been out for a while so I'm not sure why
it would be unsupported. I'd be happy to help code something up if we need
to fix something and you point me in the right direction.

-Tyler

On Sat, Apr 5, 2014 at 10:23 PM, Tyler Brock <tyler.br...@gmail.com> wrote:

> I'm running the latest BIOS (2.63) if that makes any difference.
>
> -Tyler
>
>
> On Sat, Apr 5, 2014 at 9:40 PM, Tyler Brock <tyler.br...@gmail.com> wrote:
>
>> I see this error in red during boot so I thought I'd contact you:
>>
>> "Unsupported brightness interface, please contact
>> ibm-acpi-devel@lists.sourceforge.net"
>>
>> This is the full output from thinkpad_acpi from journalctl:
>>
>> Apr 01 19:01:36 laphog kernel: thinkpad_acpi: ThinkPad ACPI Extras v0.25
>> Apr 01 19:01:36 laphog kernel: thinkpad_acpi: http://ibm-acpi.sf.net/
>> Apr 01 19:01:36 laphog kernel: thinkpad_acpi: ThinkPad BIOS G6ETA1WW
>> (2.61 ), EC unknown
>> Apr 01 19:01:36 laphog kernel: thinkpad_acpi: Lenovo ThinkPad X1 Carbon,
>> model 344822U
>> Apr 01 19:01:36 laphog kernel: thinkpad_acpi: Unsupported brightness
>> interface, please contact ibm-acpi-devel@lists.sourceforge.net
>> Apr 01 19:01:36 laphog kernel: thinkpad_acpi: radio switch found; radios
>> are enabled
>> Apr 01 19:01:36 laphog kernel: thinkpad_acpi: possible tablet mode switch
>> found; ThinkPad in laptop mode
>> Apr 01 19:01:36 laphog kernel: thinkpad_acpi: This ThinkPad has standard
>> ACPI backlight brightness control, supported by the ACPI video driver
>> Apr 01 19:01:36 laphog kernel: thinkpad_acpi: Disabling thinkpad-acpi
>> brightness events by default...
>>
>> -Tyler
>>
>
>
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