Description of problem: The volume up/down keys on my Lenovo T61 stoped working. My system is F8T3 with updates up to 27th october. I have feeling (not 100%sure) that they worked after the installation. So something in the upgrade produced the problem. There is nothing about ThinkPad Extra Buttons in lshal, so quirks in /usr/share/hal/fdi/information/10freedesktop/30-keymap-module-thinkpad-acpi.fdi do not apply and if I run hal with debugging, it outputs .... 08:39:04.557 [I] osspec.c:431: ACPI capabilities found 08:39:04.557 [I] osspec.c:439: Done synthesizing events 08:39:04.558 [I] util.c:1049: Add callouts for udi=/org/freedesktop/Hal/devices/computer 08:39:04.559 [I] device.c:3740: entering; exit_type=0, return_code=1 08:39:04.559 [I] device.c:3751: device removed due to prober fail device udi = /org/freedesktop/Hal/devices/temp/73 button.state.value = false (bool) linux.device_file = '/dev/input/event4' (string) button.has_state = true (bool) input.product = 'ThinkPad Extra Buttons' (string) 08:39:04.559 [W] device.c:1374: Unknown property type 29548 linux.subsystem = 'input' (string) info.product = 'ThinkPad Extra Buttons' (string) linux.hotplug_type = 2 0x2 (int) linux.sysfs_path = '/sys/class/input/event4' (string) info.category = 'input' (string) input.device = '/dev/input/event4' (string) info.parent = '/org/freedesktop/Hal/devices/computer' (string) ..... Version-Release number of selected component (if applicable): kernel-2.6.23.1-35.fc8 and also kernel-2.6.23-0.214.rc8.git2.fc8 hal-0.5.10-1.fc8
Still true on FC8 with updates up to 24 Nov 07
Note that volume keys on T61 don't send ACPI events, but rather have ordinary scancodes: 0xe0 0x2e for volume down and 0xe0 0x30 for volume up.
So basically, they send proper scancodes, hal recognizes them and send proper events on system dbus. HAL is not to blame. Leaving this assigned to HAL, as David will probably know who is supposed to care about those. Is that the mixer applet?
Seems like noone is to care about those events. Gnome settings daemon should look for the key presses. By default if uses keysyms XF86AudioLowerVolume and XF86AudioRaiseVolume, which are unassigned by default (as per "xmodmap -pke" output with us+inet layout). On t60 hal translates the ACPI events into keycodes 174 and 176 respectively, on t61 the keys send those natively. This, the following indeed fixes the issue: $ xmodmap -e 'keycode 174 = XF86AudioLowerVolume' $ xmodmap -e 'keycode 176 = XF86AudioRaiseVolume' Is there a reason for not having these in the default keyboard map? If there exist keyboards that send different codes, is it possible to remap them all using hal? Does hal determine between internal and external notebook keyboards? I suppose it can guess the model of USB keyboard, but can it be configured to do the translations for legacy keyboards comfortably? If this used to work before -- how? Were the mappings present?
*** Bug 437597 has been marked as a duplicate of this bug. ***
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