From mboxrd@z Thu Jan  1 00:00:00 1970
From: njin <marconifabio@ubuntu-it.org>
Date: Sun, 13 Mar 2011 08:32:34 +0000
Subject: Bug 30972 - BenQ nScreen i221
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To: linux-hotplug@vger.kernel.org

Hello here i copy the report closed as won't fix:

I installed Ubuntu 10.04 on BenQ nScreen i221, and most work well,
however,
when turn the volume control located in the lower right corner of the
monitor
is to suspend almost all of the panels. can't expand any menu and can't
enter
any data. blinking cursor and the mouse works, but writing is
impossible.

Pressing CTRL + ALT + F1 and then CTRL + ALT + F7 helps, but I don't
want to do
this every time.

*************************************************************************
Michael Grishin reply on Launchpad:
I managed to fix this with a patch to
linux-2.6.32/drivers/input/keyboard/atkbd.c as below:

--- atkbd.c_original 2010-07-11 11:08:31.748769000 +0200
+++ atkbd.c 2010-07-11 11:10:22.758768325 +0200
@@ -1603,6 +1603,15 @@
                .callback = atkbd_setup_forced_release,
                .driver_data = atkbd_hp_forced_release_keys,
        },
+ {
+ .ident = "BenQ nScreen e221",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "BenQ"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "nScreen"),
+ },
+ .callback = atkbd_setup_forced_release,
+ .driver_data = atkbd_volume_forced_release_keys,
+ },
        {
                .ident = "HP Pavilion ZV6100",
                .matches = {

You will need to recompile kernel image
(https://help.ubuntu.com/community/Kernel/Compile)
Tested with linux-image-2.6.35-24-generic_2.6.35-24.42_amd64

*************************************************************

Comment #1 From Dmitry Torokhov 2011-03-13 04:44:41 (-) [reply]

The force-release quirk should be applied via UDEV which now has needed
facilities, see /lib/udev/rules.d/95-keyboard-force-release.rules

If you could also report this issue to udev maintainers that would be
great.


Links:
https://bugzilla.kernel.org/show_bug.cgi?id0972
https://bugs.launchpad.net/ubuntu/+source/udev/+bug/606599

Thanks
Fabio