[Pkg-acpi-devel] Bug#560702: Brightness keys do not work on Thinkpad X301 with kernel 2.6.30

Christopher Desjardins cddesjardins at gmail.com
Fri Dec 11 16:56:49 UTC 2009 

Perhaps this is also relevant from /var/log/kern.log:

Dec 11 10:51:03 debian kernel: [    6.186288] thinkpad_acpi: ThinkPad ACPI
Extras v0.23
Dec 11 10:51:03 debian kernel: [    6.186294] thinkpad_acpi:
http://ibm-acpi.sf.net/
Dec 11 10:51:03 debian kernel: [    6.186298] thinkpad_acpi: ThinkPad BIOS
6EET47WW (3.07 ), EC 6EHT11WW-1.05
Dec 11 10:51:03 debian kernel: [    6.186304] thinkpad_acpi: Lenovo ThinkPad
X301, model 2777CTO
Dec 11 10:51:03 debian kernel: [    6.240725] thinkpad_acpi: radio switch
found; radios are enabled
Dec 11 10:51:03 debian kernel: [    6.241036] thinkpad_acpi: This ThinkPad
has standard ACPI backlight brightness control, supported by the ACPI video
driver
Dec 11 10:51:03 debian kernel: [    6.241043] thinkpad_acpi: Disabling
thinkpad-acpi brightness events by default...
Dec 11 10:51:03 debian kernel: [    6.260971] thinkpad_acpi: procfs hotkey
enable/disable: access by process with PID 1311
Dec 11 10:51:03 debian kernel: [    6.260977] thinkpad_acpi: Please remove
the hotkey=enable module parameter, it is deprecated.  Hotkeys are always
enabled
Dec 11 10:51:03 debian kernel: [    6.415486] Registered led device:
tpacpi::thinklight
Dec 11 10:51:03 debian kernel: [    6.419151] thinkpad_acpi: Standard ACPI
backlight interface available, not loading native one.


On Fri, Dec 11, 2009 at 10:17 AM, Christopher Desjardins <
cddesjardins at gmail.com> wrote:

> Also Ted, would using your package solve this issue for me and if so how do
> I install it? As far as I can tell all I run is 'make' but where would I put
> the resulting module (is that the right word?)?
>
>
>
> On Fri, Dec 11, 2009 at 10:11 AM, Christopher Desjardins <
> cddesjardins at gmail.com> wrote:
>
>> For completeness I ran kacpimon in the 2.6.26 kernel and here's what I
>> got:
>>
>>
>> debian:/home/lontra/Desktop/kacpimon# ./kacpimon
>> Kernel ACPI Event Monitor...
>> /proc/acpi/event opened successfully
>>
>> /dev/input/event0 (Macintosh mouse button emulation) opened successfully
>> /dev/input/event1 (AT Translated Set 2 keyboard) opened successfully
>> /dev/input/event10 (SynPS/2 Synaptics TouchPad) opened successfully
>> /dev/input/event11 (TPPS/2 IBM TrackPoint) opened successfully
>> /dev/input/event2 (ThinkPad Extra Buttons) opened successfully
>> /dev/input/event3 (Power Button (FF)) opened successfully
>> /dev/input/event4 (Lid Switch) opened successfully
>> /dev/input/event5 (Sleep Button (CM)) opened successfully
>> /dev/input/event6 (Video Bus) opened successfully
>> /dev/input/event7 (Video Bus) opened successfully
>>
>> add_connection(): Too many connections.
>> /dev/input/event8 (UVC Camera (17ef:4807)) opened successfully
>>
>> add_connection(): Too many connections.
>> /dev/input/event9 (PC Speaker) opened successfully
>>
>> add_connection(): Too many connections.
>> Netlink ACPI Family ID: 17
>> Netlink ACPI Multicast Group ID: 1
>> netlink opened successfully
>> add_connection(): Too many connections.
>> Press Escape to exit, or Ctrl-C if that doesn't work.
>> Input Layer:  Type: 4  Code: 4  Value: 28
>> Input Layer:  Type: 1  Code: 28  Value: 0
>> Input Layer:  Sync
>> /proc/acpi/event: ibm/hotkey HKEY 00000080 00001010
>> /proc/acpi/event: video LCD0 00000086 00000000
>> Input Layer:  Type: 1  Code: 225  Value: 1
>> Input Layer:  Sync
>> Input Layer:  Type: 1  Code: 225  Value: 0
>> Input Layer:  Sync
>> /proc/acpi/event: ibm/hotkey HKEY 00000080 00001010
>> /proc/acpi/event: video LCD0 00000086 00000000
>> Input Layer:  Type: 1  Code: 225  Value: 1
>> Input Layer:  Sync
>> Input Layer:  Type: 1  Code: 225  Value: 0
>> Input Layer:  Sync
>> /proc/acpi/event: ibm/hotkey HKEY 00000080 00001011
>> /proc/acpi/event: video LCD0 00000087 00000000
>> Input Layer:  Type: 1  Code: 224  Value: 1
>> Input Layer:  Sync
>> Input Layer:  Type: 1  Code: 224  Value: 0
>> Input Layer:  Sync
>> /proc/acpi/event: ibm/hotkey HKEY 00000080 00001011
>> /proc/acpi/event: video LCD0 00000087 00000000
>> Input Layer:  Type: 1  Code: 224  Value: 1
>> Input Layer:  Sync
>> Input Layer:  Type: 1  Code: 224  Value: 0
>> Input Layer:  Sync
>> /proc/acpi/event: ibm/hotkey HKEY 00000080 00001011
>> /proc/acpi/event: video LCD0 00000087 00000000
>> Input Layer:  Type: 1  Code: 224  Value: 1
>> Input Layer:  Sync
>> Input Layer:  Type: 1  Code: 224  Value: 0
>> Input Layer:  Sync
>> /proc/acpi/event: ibm/hotkey HKEY 00000080 00001010
>> /proc/acpi/event: video LCD0 00000086 00000000
>> Input Layer:  Type: 1  Code: 225  Value: 1
>> Input Layer:  Sync
>> Input Layer:  Type: 1  Code: 225  Value: 0
>> Input Layer:  Sync
>> /proc/acpi/event: ibm/hotkey HKEY 00000080 00001010
>> /proc/acpi/event: video LCD0 00000086 00000000
>> Input Layer:  Type: 1  Code: 225  Value: 1
>> Input Layer:  Sync
>> Input Layer:  Type: 1  Code: 225  Value: 0
>> Input Layer:  Sync
>> /proc/acpi/event: ibm/hotkey HKEY 00000080 00001010
>> /proc/acpi/event: video LCD0 00000086 00000000
>> Input Layer:  Type: 1  Code: 225  Value: 1
>> Input Layer:  Sync
>> Input Layer:  Type: 1  Code: 225  Value: 0
>> Input Layer:  Sync
>> /proc/acpi/event: ibm/hotkey HKEY 00000080 00001011
>> /proc/acpi/event: video LCD0 00000087 00000000
>> Input Layer:  Type: 1  Code: 224  Value: 1
>> Input Layer:  Sync
>> Input Layer:  Type: 1  Code: 224  Value: 0
>> Input Layer:  Sync
>> /proc/acpi/event: ibm/hotkey HKEY 00000080 00001011
>> /proc/acpi/event: video LCD0 00000087 00000000
>> Input Layer:  Type: 1  Code: 224  Value: 1
>> Input Layer:  Sync
>> Input Layer:  Type: 1  Code: 224  Value: 0
>> Input Layer:  Sync
>>
>> Code 225 corresponds to Fn+Home (up brightness) and Code 224 corresponds
>> to Fn+End (down brightness)
>>
>>
>>
>>
>> On Fri, Dec 11, 2009 at 10:07 AM, Christopher Desjardins <
>> cddesjardins at gmail.com> wrote:
>>
>>> Hi Ted,
>>> Thanks for the quick response. Running ./kacpimon as root I get:
>>>
>>> debian:/home/lontra/Desktop/kacpimon# ./kacpimon
>>> Kernel ACPI Event Monitor...
>>> open for /proc/acpi/event: No such file or directory (2)
>>>   (ACPI proc filesystem may not be present)
>>> /dev/input/event0 (Macintosh mouse button emulation) opened successfully
>>> /dev/input/event1 (AT Translated Set 2 keyboard) opened successfully
>>> /dev/input/event10 (HDA Intel Mic) opened successfully
>>> /dev/input/event11 (HDA Intel Headphone) opened successfully
>>> /dev/input/event12 (SynPS/2 Synaptics TouchPad) opened successfully
>>> /dev/input/event13 (TPPS/2 IBM TrackPoint) opened successfully
>>> /dev/input/event2 (Power Button) opened successfully
>>> /dev/input/event3 (Lid Switch) opened successfully
>>> /dev/input/event4 (Sleep Button) opened successfully
>>> /dev/input/event5 (ThinkPad Extra Buttons) opened successfully
>>> /dev/input/event6 (UVC Camera (17ef:4807)) opened successfully
>>> add_connection(): Too many connections.
>>> /dev/input/event7 (PC Speaker) opened successfully
>>> add_connection(): Too many connections.
>>> /dev/input/event8 (HDA Intel Headphone) opened successfully
>>> add_connection(): Too many connections.
>>> /dev/input/event9 (HDA Intel Mic) opened successfully
>>> add_connection(): Too many connections.
>>> Netlink ACPI Family ID: 17
>>> Netlink ACPI Multicast Group ID: 1
>>> netlink opened successfully
>>> add_connection(): Too many connections.
>>> Press Escape to exit, or Ctrl-C if that doesn't work.
>>> Input Layer:  Type: 4  Code: 4  Value: 28
>>> Input Layer:  Type: 1  Code: 28  Value: 0
>>> Input Layer:  Sync
>>>
>>> When I press the brightness keys w/o the function key held down I get:
>>>
>>> Input Layer:  Type: 4  Code: 4  Value: 199
>>> Input Layer:  Type: 1  Code: 102  Value: 1
>>> Input Layer:  Sync
>>> ^[OHInput Layer:  Type: 4  Code: 4  Value: 199
>>> Input Layer:  Type: 1  Code: 102  Value: 0
>>> Input Layer:  Sync
>>> Input Layer:  Type: 4  Code: 4  Value: 207
>>> Input Layer:  Type: 1  Code: 107  Value: 1
>>> Input Layer:  Sync
>>> ^[OFInput Layer:  Type: 4  Code: 4  Value: 207
>>> Input Layer:  Type: 1  Code: 107  Value: 0
>>> Input Layer:  Sync
>>>
>>> However, when I hold down Fn+Home or Fn+End I get no response.  I do get
>>> response from holding down Fn+<other thinkpad keys>. This is the same thing
>>> with xev.
>>>
>>> Regarding your acpi-netlink ... is that a package I should install?
>>> Should I run kacpimon w/ the 2.6.26 and report those values to this report?
>>>
>>>
>>> Thanks again for the spending response I really appreciate it!
>>> Chris
>>>
>>>
>>> On Fri, Dec 11, 2009 at 9:10 AM, Ted Felix <ted at tedfelix.com> wrote:
>>>
>>>>  Gnome bypasses acpid, so it sounds like the 2.6.30 kernel doesn't have
>>>> thinkpad support turned on, and that's needed for your brightness keys.
>>>>
>>>>  Try running kacpimon and see if you get any events for the brightness
>>>> keys at all.
>>>>
>>>> http://tedfelix.com/linux/kacpimon-20091120.tar.gz
>>>>
>>>>  Also see my acpid page for the latest news.
>>>>
>>>> http://tedfelix.com/linux/acpid-netlink.html
>>>>
>>>> Ted.
>>>>
>>>> Christopher David Desjardins wrote:
>>>>
>>>>> Package: acpid
>>>>> Version: 1.0.10-4
>>>>>
>>>>> I was running Lenny and needed to upgrade my kernel to 2.6.30 for my
>>>>> wireless card. However, after upgrading my kernel to 2.6.30 my
>>>>> brightness keys no longer worked. I was also unable to adjust the
>>>>> brightness with gnome-power-manager. I initially noticed the issue when
>>>>> upgrading the kernel and acpid from backports. I then reinstalled and
>>>>> upgraded to squeeze and used the acpid and kernel image from the
>>>>> testing
>>>>> repository and it had the same effect.
>>>>> Just for fun, I threw in a Ubuntu CD (9.10) to see if my brightness
>>>>> keys
>>>>> would work and they do. I am curious what Ubuntu does here that's
>>>>> different than Debian? I am curious if CONFIG_ACPI_PROC_EVENT is still
>>>>> disabled from the kernel?
>>>>>
>>>>> I also think that bug 521280 is similar to this report. However, that
>>>>> bug appears fixed and thus why I'm opening a new report.
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>
>>
>
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