The O.G. | 6 Feb 05:45 2016
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screen brightness controls stopped working on ThinkPad W530

Recently, I noticed that the screen brightness controls don't work as usual. Not only that, most of the time it will completely lock up the system requiring a hard reset. If I don't touch the screen brightness controls, the system remains stable. I'm emailing this address because it states so in 'dmesg' :

[    9.137413] thinkpad_acpi: ThinkPad ACPI Extras v0.25
[    9.137415] thinkpad_acpi: http://ibm-acpi.sf.net/
[    9.137416] thinkpad_acpi: ThinkPad BIOS G5ET93WW (2.53 ), EC unknown
[    9.137418] thinkpad_acpi: Lenovo ThinkPad W530, model 2447DV2
[    9.138744] thinkpad_acpi: Unsupported brightness interface, please contact ibm-acpi-devel-5NWGOfrQmneRv+LV9MX5urNAH6kLmebB@public.gmane.org.net
[    9.138855] thinkpad_acpi: radio switch found; radios are enabled
[    9.138866] thinkpad_acpi: This ThinkPad has standard ACPI backlight brightness control, supported by the ACPI video driver
[    9.138867] thinkpad_acpi: Disabling thinkpad-acpi brightness events by default...
[    9.140281] thinkpad_acpi: rfkill switch tpacpi_bluetooth_sw: radio is unblocked

Here's some info about my ThinkPad:

# inxi -Fm
System:    Host: scarlet Kernel: 4.3.4-300.fc23.x86_64 x86_64 (64 bit) Desktop: MATE 1.12.1
           Distro: Fedora release 23 (Twenty Three)
Machine:   System: LENOVO product: 2447DV2 v: ThinkPad W530 serial: XXXXXXX
           Mobo: LENOVO model: 2447DV2 serial: XXXXXXXXXX Bios: LENOVO v: G5ET93WW (2.53 ) date: 05/24/2013
CPU:       Quad core Intel Core i7-3840QM (-HT-MCP-) cache: 8192 KB
           clock speeds: max: 3800 MHz 1: 1199 MHz 2: 1471 MHz 3: 1383 MHz 4: 1380 MHz 5: 1479 MHz 6: 1295 MHz
           7: 1648 MHz 8: 1630 MHz
Memory:    Array-1 capacity: 32 GB devices: 4 EC: None
           Device-1: ChannelA-DIMM0 size: No Module Installed type: N/A
           Device-2: ChannelA-DIMM1 size: 8 GB speed: 1600 MHz type: DDR3
           Device-3: ChannelB-DIMM0 size: 8 GB speed: 1600 MHz type: DDR3
           Device-4: ChannelB-DIMM1 size: No Module Installed type: N/A
Graphics:  Card: NVIDIA GK107GLM [Quadro K2000M]
           Display Server: X.org 1.18.0 driver: nvidia tty size: 126x57 Advanced Data: N/A for root
Audio:     Card-1 Intel 7 Series/C210 Series Family High Definition Audio Controller driver: snd_hda_intel
           Card-2 NVIDIA GK107 HDMI Audio Controller driver: snd_hda_intel
           Sound: Advanced Linux Sound Architecture v: k4.3.4-300.fc23.x86_64
Network:   Card-1: Intel 82579LM Gigabit Network Connection driver: e1000e
           IF: enp0s25 state: up speed: 1000 Mbps duplex: full mac: 3c:97:0e:af:02:85
           Card-2: Intel Centrino Advanced-N 6205 [Taylor Peak] driver: iwlwifi
           IF: wlp3s0 state: down mac: 6c:88:14:ca:3d:c0
Drives:    HDD Total Size: 256.1GB (59.0% used) ID-1: /dev/sda model: SAMSUNG_MZ7TD256 size: 256.1GB
Partition: ID-1: / size: 50G used: 9.5G (19%) fs: xfs dev: /dev/dm-1
           ID-2: /boot size: 477M used: 87M (20%) fs: ext4 dev: /dev/sda1
           ID-3: /home size: 181G used: 124G (69%) fs: xfs dev: /dev/dm-2
           ID-4: swap-1 size: 8.26GB used: 0.00GB (0%) fs: swap dev: /dev/dm-0
RAID:      No RAID devices: /proc/mdstat, md_mod kernel module present
Sensors:   System Temperatures: cpu: 44.0C mobo: N/A gpu: 35C
           Fan Speeds (in rpm): cpu: 1806
Info:      Processes: 245 Uptime: 7 min Memory: 1222.9/15687.1MB Client: Shell (bash) inxi: 2.2.32

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Sindre Fjogstad | 4 Feb 17:39 2016

Re: adaptive keyboard off after suspend on linux kernel 4.4 and 4.5, (thinkpad x1 gen2)

Hi,

I have not attempted to suspend to disk yet, but it always happens on
suspend to RAM. I will update later with regards to suspend to disk, I
am not in the same building as my laptop.

Thanks,
Sindre

On 4 February 2016 at 17:32, Henrique de Moraes Holschuh
<hmh@...> wrote:
> On Wed, 27 Jan 2016, Sindre Fjogstad wrote:
>> After upgrading my kernel to version 4.4 and then 4.5.RC1 from 4.2 my
>> adaptive keyboard is off when the laptop wakes up after suspend. The
>> adaptive keyboard works as expected before the suspend.
>
> Suspend to RAM, or hibernation (suspend to disk) ?
>
>> How do you want me to debug this and what kind of information do you
>> need for me to provide you?
>>
>> from dmesg:
>> [   11.181209] thinkpad_acpi: ThinkPad ACPI Extras v0.25
>> [   11.181212] thinkpad_acpi: http://ibm-acpi.sf.net/
>> [   11.181214] thinkpad_acpi: ThinkPad BIOS GRET37WW (1.14 ), EC unknown
>> [   11.181215] thinkpad_acpi: Lenovo ThinkPad X1 Carbon 2nd, model 20A8S0WT16
>>
>> I have attached my kern.log filtered for acpi which contains hints on
>> additional issues:
>>  - unhandled HKEY event 0x60c0
>>  - unknown version of the HKEY interface: 0x200
>
> Those are known harmless conditions, and HKEY 0x200 interface *is* the
> adaptative keyboard version of the HKEY event interface, but it is only
> "partially" known...
>
> And as you can see, it apparently still has some rough edges ;-)
>
> I will need your help to fix this, I don't have any thinkpad with an
> adaptative keyboard to test.  In fact, the adaptative keyboard code was a
> contribution by Bastien Nocera.  Added him to the CC.
>
> Bastien, can you help debug this issue?
>
> --
>   "One disk to rule them all, One disk to find them. One disk to bring
>   them all and in the darkness grind them. In the Land of Redmond
>   where the shadows lie." -- The Silicon Valley Tarot
>   Henrique Holschuh

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Yves-Alexis Perez | 4 Feb 18:03 2016
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Advertisement on SF lists

Hi,

I just noticed that SourceForge was now adding advertisement to the list
emails (not sure when it started, I have to admit). Is there a way to drop
that from the list configuration?

Thanks!
--

-- 
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David Binderman | 4 Jan 18:42 2016
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linux-4.4-rc8/drivers/platform/x86/thinkpad_acpi.c: 2 * bad shift ?

hello there,

1.

[linux-4.4-rc8/drivers/platform/x86/thinkpad_acpi.c:2297] ->
[linux-4.4-rc8/drivers/platform/x86/thinkpad_acpi.c:3694]: (warning) Shifting 32-bit value by
51 bits is undefined behaviour. See condition at line 3694.

Source code at line 2297 is

    if (hotkey_user_mask & (1 << scancode))

and at 3694 is

    if (scancode> 0 && scancode <= TPACPI_HOTKEY_MAP_LEN) {

Maybe new code

    if (hotkey_user_mask & (1UL << scancode))

is better.

2.

[linux-4.4-rc8/drivers/platform/x86/thinkpad_acpi.c:3696] ->
[linux-4.4-rc8/drivers/platform/x86/thinkpad_acpi.c:3694]: (warning) Shifting 32-bit value by
51 bits is undefined behaviour. See condition at line 3694.

Duplicate.

Regards

David Binderman
 		 	   		  
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pirprg | 14 Jan 17:53 2016
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unhandled HKEY event 0x6060

Hi, i have a lenovo T440p, and i saw the message in my dmesg

thinkpad_acpi: unknown possible thermal alarm or keyboard event received
thinkpad_acpi: unhandled HKEY event 0x6060
thinkpad_acpi: please report the conditions when this event happened...

And i know what i did : i pressed Fn + Esc, which is used to get the Fn lock, so the functions keys (F1 - F12) are by default function keys instead of being thinkpad features like mute, sound up, sound down, mic mute...


Pierre
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Sindre Fjogstad | 27 Jan 23:28 2016

adaptive keyboard off after suspend on linux kernel 4.4 and 4.5, (thinkpad x1 gen2)

Hi,

After upgrading my kernel to version 4.4 and then 4.5.RC1 from 4.2 my
adaptive keyboard is off when the laptop wakes up after suspend. The
adaptive keyboard works as expected before the suspend.

How do you want me to debug this and what kind of information do you
need for me to provide you?

from dmesg:
[   11.181209] thinkpad_acpi: ThinkPad ACPI Extras v0.25
[   11.181212] thinkpad_acpi: http://ibm-acpi.sf.net/
[   11.181214] thinkpad_acpi: ThinkPad BIOS GRET37WW (1.14 ), EC unknown
[   11.181215] thinkpad_acpi: Lenovo ThinkPad X1 Carbon 2nd, model 20A8S0WT16

I have attached my kern.log filtered for acpi which contains hints on
additional issues:
 - unhandled HKEY event 0x60c0
 - unknown version of the HKEY interface: 0x200

Thanks,
Sindre Fjogstad
Attachment (acpi_kern.log): text/x-log, 24 KiB
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Yaniv Kaul | 4 Jan 11:01 2016
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Unsupported brightness interface - Lenovo ThinkPad X1 Carbon 3rd, model 20BTS1N70E

[   11.060213] thinkpad_acpi: ThinkPad ACPI Extras v0.25
[   11.060215] thinkpad_acpi: http://ibm-acpi.sf.net/
[   11.060217] thinkpad_acpi: ThinkPad BIOS N14ET31W (1.09 ), EC unknown
[   11.060218] thinkpad_acpi: Lenovo ThinkPad X1 Carbon 3rd, model 20BTS1N70E
[   11.061048] thinkpad_acpi: Unsupported brightness interface, please contact ibm-acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
[   11.061074] thinkpad_acpi: radio switch found; radios are enabled
[   11.061088] thinkpad_acpi: This ThinkPad has standard ACPI backlight brightness control, supported by the ACPI video driver
[   11.061089] thinkpad_acpi: Disabling thinkpad-acpi brightness events by default...

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jonnie o | 6 Jan 13:30 2016
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bug: lenovo helix 2 doesn't resume after suspend

There are a couple of reports of this, and I've been experiencing the bug as well.
E.g.
(with the most info on the bug)
but also
etc.

I am happy to help with any testing. Currently running kernel
4.4.0-999-generic #201512172100 SMP Fri Dec 18 02:02:38 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

Best,
Jonathan






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Ragnar Brynjúlfsson | 24 Nov 20:21 2015
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Detecting screen foliding/flipping on ThinkPad Yoga 12 2nd gen

Hi,

I'm new to the list, so hi all.

I've been trying to get everything working smoothly on my ThinkPad Yoga 12, under Ubuntu 15.10. What I've got is up at https://github.com/ragtag/spin/tree/yoga12-2nd-gen , which is a fork from user wdbm's code.

I've got almost everything working, but have encountered a strange behavior with the sensor that detects screen position. When the part of the code that reads the accelorometer is not runnign, the sensor that detects screen position only sends a signal (ibm/hotkey LEN0068:00 00000080 000060c0) when it's all the way in tablet mode.

When I'm reading from the accelorometer, on the other hand, the screen position sensor detects in two places. When the laptop enters tent mode and tablet mode, but with the same signa as beforel both times. 

This makes it a bit tricky to know when the laptop is in tablet or laptop mode. If I read the sensor all the time, and you move the screen to tent mode, I have no way of knowing if you move it back to laptop mode, or further into tablet mode.

Anyone have a smart solution to this?

Cheers,

  Ragnar
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Alexander Bruy | 22 Oct 15:21 2015

Brightness control on ThinkPad X230 (23202TG)

Hi,

recently I installed Debian 8.2 on my Lenovo ThinkPad X230, model 23202TG
and found that brightness control keys does not work anymore. In the system
logs I found this messages, related to brightness control

kernel: thinkpad_acpi: ThinkPad ACPI Extras v0.25
kernel: thinkpad_acpi: http://ibm-acpi.sf.net/
kernel: thinkpad_acpi: ThinkPad BIOS G2ETA4WW (2.64 ), EC unknown
kernel: thinkpad_acpi: Lenovo ThinkPad X230, model 23202TG
kernel: thinkpad_acpi: Unsupported brightness interface, please contact ibm-acpi-devel <at> lists.sourceforge.net
kernel: thinkpad_acpi: radio switch found; radios are enabled
kernel: thinkpad_acpi: This ThinkPad has standard ACPI backlight brightness control, supported by the
ACPI video driver
kernel: thinkpad_acpi: Disabling thinkpad-acpi brightness events by default...

I also tried to add "acpi_backlight=vendor" to kernel boot parameters, as
suggested at ThinkWiki [0] but this does not help.

In both cases there is an /sys/class/backlight/intel_backlight/ entry in the sysfs
which reports max_brightness equal to 4438. But the only way to change current
brightness is to "echo" some value manually.

I tested with standard 3.16 kernel and 4.2.3 kernel from backports repository.
Previously I used Slackware64 14.0 with 3.10 kernel and brightness keys worked
as expected out of the box.

Any ideas how to fix this? If necessary I will be happy to provide any required
information and perform tests.

Thanks and sorry for my English.

[0] http://www.thinkwiki.org/wiki/Installing_Debian_on_an_X230#Brightness

Alex

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Christian Bley | 29 May 23:05 2015

Unsupported brightness interfase

Hello,

I've got a problem with my Debian Jessie. It doesn't start the UI and while the startup it says:
"Unsupported brightness interface, please contact ibm-acpi-devel-5NWGOfrQmneRv+LV9MX5ug@public.gmane.orge.net"

Some logs are attatched.

Yours sincerely
Christian Bley
Attachment (log.tar): application/x-tar, 5390 KiB
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