Hi, On my thinkpad T400, by default I can set LCD brightness by Fn+home/end shortcut, no need to manually set hotkeys. I have acpi package installed. On Fri, Apr 17, 2009 at 11:35 AM, Sergey Manucharian <sergeym@xxxxxxxxx> wrote: > On Thu, 16 Apr 2009 22:13:15 -0400 > Adam Stokes <adam.stokes@xxxxxxxxx> wrote: > >> So pressing the fn home/end for brightness alters : >> >> /proc/acpi/video/VID/LCD0/brightness >> >> doing an: >> >> echo '100' >/proc/acpi/video/VID/LCD0/brightness >> >> My .config for the kernel is set to: >> >> CONFIG_THINKPAD_ACPI_VIDEO=y >> CONFIG_VIDEO_OUTPUT_CONTROL=m >> CONFIG_ACPI_VIDEO=m >> >> lsmod shows: >> >> thinkpad_acpi 70316 0 >> rfkill 11444 4 iwl3945,thinkpad_acpi >> led_class 4344 3 iwl3945,sdhci,thinkpad_acpi >> nvram 7868 1 thinkpad_acpi >> >> dmesg shows: >> thinkpad_acpi: ThinkPad ACPI Extras v0.22 >> thinkpad_acpi: http://ibm-acpi.sf.net/ >> thinkpad_acpi: ThinkPad BIOS 7LETA7WW (2.07 ), EC 7KHT24WW-1.08 >> thinkpad_acpi: Lenovo ThinkPad T61, model 6464Y1E >> thinkpad_acpi: ACPI backlight control delay disabled >> 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: Standard ACPI backlight interface available, not >> loading native one. >> >> kernel is 2.6.29-ARCH >> >> anyone know why the brightness still refuses to work? >> > > Hi Adam, > > I'm using brightness control buttons every day with my ThinkPad > R61. Both > > echo '100' >/proc/acpi/video/VID/LCD0/brightness > echo 15 > /sys/class/backlight/acpi_video0/brightness > > work for me. > "xev" shows the following: > > keycode 233 (keysym 0x1008ff02, XF86MonBrightnessUp) > keycode 232 (keysym 0x1008ff03, XF86MonBrightnessDown) > > I've updated the system yesterday, but brightness control works fine > for long time. I used to use custom scripts > launched from /etc/acpi/handler.sh long time ago since the the regular > buttons did not work properly. > > You may want to add: > > keycode 233 = XF86MonBrightnessUp > keycode 232 = XF86MonBrightnessDown > > to your ~/.Xmodmap file (though I haven't, but check with "xev") > > Cheers, > Sergey > > -- Best regards, Li Ye
