> -----Original Message----- > From: platform-driver-x86-owner@xxxxxxxxxxxxxxx <platform-driver-x86- > owner@xxxxxxxxxxxxxxx> On Behalf Of Pali Rohár > Sent: Tuesday, July 21, 2020 2:40 AM > To: Paul Menzel > Cc: Matthew Garrett; Limonciello, Mario; platform-driver- > x86@xxxxxxxxxxxxxxx; Hans de Goede > Subject: Re: Fn + F8 to switch display/monitor configuration/output gives > KEY_P > > > [EXTERNAL EMAIL] > > On Tuesday 21 July 2020 08:58:51 Paul Menzel wrote: > > Dear Linux folks, > > > > > > On the Dell Latitude E7250 running Debian Sid/unstable with Linux 5.7.6, > > pressing Fn + F8 to switch the display/monitor configuration does not > work. > > It only prints a *p*. > > > > $ sudo libinput debug-events --show-keycodes > > […] > > -event0 DEVICE_ADDED AT Translated Set 2 keyboard seat0 > > default group9 cap:k > > […] > > -event0 KEYBOARD_KEY +3.636s KEY_LEFTMETA (125) pressed > > event0 KEYBOARD_KEY +18.565s KEY_P (25) pressed > > event0 KEYBOARD_KEY +18.704s KEY_P (25) released > > event0 KEYBOARD_KEY +4.727s KEY_LEFTMETA (125) released > > > > Is this a known problem? Do you think it can be fixed? Please find the > > output of `dmesg` attached. > > I think this is known feature of all machines certificated for Windows > systems. That monitor switch short key generates sequence: winkey + P. > And not single key press. > > Maybe Mario could help if there is some way how to switch Dell EC to > really generate just one key press for monitor switch shortkey. Dell's EC is configured to behave as has been described in this thread (emitting a sequence of super + p) with no interface to change it for a Linux specific behavior of a single keycode.