[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 16:11:51 UTC 2009
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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