Re: Unsupported brightness interface on X1 Carbon (1st gen)

[Tyler Brock <tyler.brock@xxxxxxxxx>]

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.brock@xxxxxxxxx> wrote:

I see this error in red during boot so I thought I'd contact you:

"Unsupported brightness interface, please contact ibm-acpi-devel@xxxxxxxxxxxxxxxxxxxxx"

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@xxxxxxxxxxxxxxxxxxxxx

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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