Re: [PATCH] ACPI video: Add video_switch_key option

[Takashi Iwai <tiwai@suse.de>]

At Wed, 24 Nov 2010 14:35:17 +0000,
Matthew Garrett wrote:
> 
> On Wed, Nov 24, 2010 at 03:31:11PM +0100, Takashi Iwai wrote:
> 
> > Typically GNOME changes to the next monitor mode (e.g. xinearama,
> > clone, laptop-only, external-only) by each XF86VideoSwitch key event.
> > If you connect your laptop to a monitor, and sets to clone mode,
> > close the lid, and reopen.  Then you'll find the video mode is now
> > external-monitor only.  It's because two XF86VideoSwitch key events
> > are issued during close/open the lid.
> 
> That's not what that keystroke is expected to do. Userspace needs to 
> either interpret it as "Reprobe devices" or pay attention to the 
> configuration that the firmware requested.

Unfortunately, this is the standard behavior on most desktops :-<
Fn-F4 (or whatever) media key produces this exact key code, and the
desktops (including Windows) expect this behavior.


thanks,

Takashi