[ibm-acpi-devel] Unsupported brightness interface on Lenovo ThinkPad T550

Hi, the kernel startup message tells me to contact you. I'm sorry if this is is already known (a quick search of the mailinglist for T550 didn't find anything related). I'm running Debian Stretch on this Lenovo. For me everything is working regarding the brightness and keyboard lights but I get th

[ibm-acpi-devel] Regarding Thinkpad E540 display unsupported brightness interface

Hello Sir/Ma'am, i use Ubuntu 14.04 LTS in my Lenovo Thinkpad E540 laptop. when laptop boots up, it shows message " [ 17.318386] thinkpad_acpi: Unsupported brightness interface, please contact ibm-acpi-devel@lists.sourceforge.net ". please kindly help me. Thanking you, Nitish --

Re: [ibm-acpi-devel] adaptive keyboard off after suspend on linux kernel 4.4 and 4.5, (thinkpad x1 gen2)

Hi, After I upgraded to kernel 4.5 RC6 I now once again have a functional adaptive keyboard after suspend. I upgraded from RC1 to RC6 and is therefore not sure which of the RCs that fixed the issue. Thanks, Sindre On 4 February 2016 at 18:42, Bastien Nocera wrote: > Hey, > > I'm afraid that I'm

[ibm-acpi-devel] ACPI Suspend (Fn+4) key stops working after upgrading ThinkPad P50 BIOS from 1.15 to 1.17: unknown version of the HKEY interface: 0x200

Hello, $ uname -a Linux p50 4.4.2-gentoo #2 SMP PREEMPT Sun Feb 21 12:28:42 EST 2016 x86_64 Intel(R) Xeon(R) CPU E3-1505M v5 @ 2.80GHz GenuineIntel GNU/Linux $ sudo dmesg | grep -i thinkpad_acpi [3.893358] thinkpad_acpi: ThinkPad ACPI Extras v0.25 [3.893360] thinkpad_acpi: http://ibm-acpi

[ibm-acpi-devel] thinkpad_acpi: Unsupported brightness interface

[ 16.372984] thinkpad_acpi: ThinkPad ACPI Extras v0.25 [ 16.372987] thinkpad_acpi: http://ibm-acpi.sf.net/ [ 16.372989] thinkpad_acpi: ThinkPad BIOS J5ET48WW (1.19 ), EC unknown [ 16.372990] thinkpad_acpi: Lenovo ThinkPad E450c, model 20EHA00NCD [ 16.373656] thinkpad_acpi: Unsupported