Mailinglist Archive: opensuse (1558 mails)

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[opensuse] Thinkpad Brightness Control
  • From: Anshul Jain <anshulajain@xxxxxxxxx>
  • Date: Fri, 14 Aug 2009 07:16:30 +0530
  • Message-id: <606f7fb50908131846k1af3c88fy9b334d9256c4d5ef@xxxxxxxxxxxxxx>
Hi,
I have a backport 2.6.27.x custom kernel installed on my 11.0 system,
running KDE 4.3. I've noticed that the Thinkpad (mine's R61/R61i)
brightness control does not work through the keypad. I can change it
through the Powerdevil battery manager. I have the right options put
in for brightness control in /etc/modprobe.d/thinkpad_acpi. The dmesg
output for thinkpad_acpi is :-

thinkpad_acpi: ThinkPad ACPI Extras v0.21
thinkpad_acpi: http://ibm-acpi.sf.net/
thinkpad_acpi: ThinkPad BIOS 7OET24WW (1.03 ), EC 7KHT22WW-1.06
thinkpad_acpi: Lenovo ThinkPad R61/R61i, model 8937A13
thinkpad_acpi: radio switch found; radios are enabled
thinkpad_acpi: This ThinkPad has standard ACPI backlight brightness
control, supported by the ACPI video driver
thinkpad_acpi: Disabling thinkpad-acpi brightness events by default...
thinkpad_acpi: setting the hotkey mask to 0x00ffffff is likely not the
best way to go about it
thinkpad_acpi: please consider using the driver defaults, and refer to
up-to-date thinkpad-acpi documentation
Registered led device: tpacpi::thinklight
Registered led device: tpacpi::power
Registered led device: tpacpi:orange:batt
Registered led device: tpacpi:green:batt
Registered led device: tpacpi::dock_active
Registered led device: tpacpi::bay_active
Registered led device: tpacpi::dock_batt
Registered led device: tpacpi::unknown_led
Registered led device: tpacpi::standby
anshul@sagarika:~> cat /etc/modprobe.d/thinkpad_acpi
#
# IBM ACPI driver options
#
# A detailed description of the parameters for the IBM ACPI driver can be found
# in /usr/src/linux/Documentation/ibm-acpi.txt which is part of the package
# 'kernel-source'.
#
# If you encounter problems with the hotkey mask please file a bug on
# http://bugzilla.novell.com/
#

options thinkpad_acpi brightness_enable=1 experimental=1 hotkey=enable,0xffffff
anshul@sagarika:~>

Any suggestions?:)

-Anshul
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