I also have inverted display brightness keys behaviour.
Another annoyance is that something seems to turn down the brightness
short after login, so you have to adjust brightness up (using the
brightness down key) all the time.
Happens on Ubuntu 8.10 x86 desktop with all updates as of today.
--
These scripts are obsoleted and have been removed from acpi-support in
the latest upload, so I'm closing out this bug.
** Changed in: acpi-support (Ubuntu)
Status: Confirmed = Invalid
--
Why isn't thinkpad-brightness-down.sh used for Lenovo thinkpads?
Same problem here with a Lenovo SL500 for the volume keys. The
brightness keys seems to be inverted.
--
Why isn't thinkpad-brightness-down.sh used for Lenovo thinkpads?
https://bugs.launchpad.net/bugs/161745
You received this bug notification because you are a member of Ubuntu
Bugs, which is
JFI: you can use tee to do input redirection with sudo:
echo 4 | sudo tee /proc/acpi/ibm/cmos
(tee -a to simulate (append))
--
Why isn't thinkpad-brightness-down.sh used for Lenovo thinkpads?
https://bugs.launchpad.net/bugs/161745
You received this bug notification because you are a member of
Same problem here, using dwm (from suckless.org), with Thinkpad T60p.
PJ solution works.
Strangely, though, the echo 4 /proc/acpi/ibm/cmos cannot be manually
called from the command line with sudo.
--
Why isn't thinkpad-brightness-down.sh used for Lenovo thinkpads?
Because of the redirection $SHELL thinks you are only sudo-ing 'echo 4'.
Try an sudo -s and then do it. However it is a pain to do so everytime.
--
Why isn't thinkpad-brightness-down.sh used for Lenovo thinkpads?
https://bugs.launchpad.net/bugs/161745
You received this bug notification because
So what is the option for users without gnome-power-manager or its KDE
counterpart? Brightness seems to work fine on my T61 with the regular
hardy desktop.
On a T60 with slim+openbox, I have to resort to either PJ's tip about
/proc/acpi/ibm/cmos or use echo nn
This appears to be fixed now?
After installing the latest updates the brightness function keys and the
brightness applet appear to be working fine without any hacks.
--
Why isn't thinkpad-brightness-down.sh used for Lenovo thinkpads?
https://bugs.launchpad.net/bugs/161745
You received this bug
I can make the buttons work on my X61 tablet
thinkpad-brightness-up
LENOVO*)
echo 4 /proc/acpi/ibm/cmos
thinkpad-brightness-down
LENOVO*)
echo 5 /proc/acpi/ibm/cmos
and making this link
ln -s thinkpad-brightness-up.sh video_brightnessup.sh
Not very elegant ?
--
Why
PJ I can confirm that works on my X61s. However when you press
quickly/hold down the keys, things seem to get confused:
1) the popup frequently ends up not displaying spurious brightness settings
2) occasionally pressing brightness up turns it down and vice versa
Additionally it doesn't fix e.g.
Paul, can you elaborate on this?
The thinkpad-brightness-{down,up}.sh scripts appeared in version 0.101 of
acpi-support, which has the following changelog:
acpi-support (0.101) gutsy; urgency=low
* Switch Thinkpad to using ACPI events for magic keys so that
'thinkpad-keys' can go away
I can confirm that on my Lenovo/IBM Thinkpad X61s laptop the brightness
buttons don't work either. Worse still, however, the brightness doesn't
seem to change *at all* - for example when going from AC to battery.
Pressing the brightness up key produces the following log:
[Fri Mar 7 21:15:24
Incomplete - confirmed because issue is repeatable on Lenovo Thinkpads.
** Changed in: acpi-support (Ubuntu)
Status: Incomplete = Confirmed
--
Why isn't thinkpad-brightness-down.sh used for Lenovo thinkpads?
https://bugs.launchpad.net/bugs/161745
You received this bug notification
Does removing the following part from
/etc/acpi/thinkpad-brightness-{up,down}.sh fix it for you?
LENOVO*)
exit
;;
What's the video module and how's the impact on pressing the
button(s), when video is loaded (sudo modprove video I'd guess) and
you've patched the files mentioned
Removing that guard changes nothing (and in fact when it is removed,
thinkpad-brightness-{up,down} is functionally equivalent to
video_brightness{up,down}.sh, i.e. doing:
acpi_fakekey $KEY_BRIGHTNESSDOWN
... it doesn't work, with or without video (yes, I too assume this
refers to video.ko).
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