linux/include
Hans de Goede 8f3eaad981
Input: Add keycodes for electronic privacy screen on/off hotkeys
Add keycodes for hotkeys toggling the electronic privacy screen found on
some laptops on/off.

There already is an API for eprivacy screens as kernel-mode-setting drm
connector object properties:
https://www.kernel.org/doc/html/latest/gpu/drm-kms.html#standard-connector-properties

this API also supports reporting when the eprivacy screen is turned on/off
by the embedded-controller (EC) in response to hotkey presses.

But on some laptops (e.g. the Dell Latitude 7300) the firmware does not
allow querying the presence nor the status of the eprivacy screen at boot.
This makes it impossible to implement the drm connector properties API
since drm objects do not allow adding new properties after creation and
the presence of the eprivacy cannot be detected at boot.

The first notice of the presence of an eprivacy screen on these laptops is
an EC generated (WMI) event when the eprivacy screen hotkeys are pressed.

In this case the new keycodes this change adds can be generated to notify
userspace of the eprivacy screen on/off hotkeys being pressed, so that
userspace can show the usual on-screen-display (OSD) notification for eprivacy
screen on/off to the user. This is similar to how e.g. touchpad on/off
keycodes are used to show the touchpad on/off OSD.

Signed-off-by: Hans de Goede <hansg@kernel.org>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Link: https://patch.msgid.link/20251020152331.52870-2-hansg@kernel.org
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2025-10-28 17:11:57 +02:00
..
acpi More power management updates for 6.18-rc1 2025-10-07 09:39:51 -07:00
asm-generic hyperv-next for v6.18 2025-10-07 08:40:15 -07:00
clocksource
crypto This update includes the following changes: 2025-10-04 14:59:29 -07:00
cxl
drm drm/gpusvm, drm/xe: Fix userptr to not allow device private pages 2025-10-02 21:57:52 -07:00
dt-bindings There's a bunch of patches here across drivers/clk/ to migrate drivers to use 2025-10-07 09:28:37 -07:00
hyperv hyperv: Remove the spurious null directive line 2025-10-02 21:21:24 +00:00
keys
kunit linux_kselftest-kunit-6.18-rc1 2025-10-01 19:15:11 -07:00
kvm KVM/arm64 updates for 6.18 2025-09-30 13:23:28 -04:00
linux platform/x86: int3472: Fix double free of GPIO device during unregister 2025-10-28 17:06:14 +02:00
math-emu
media
memory
misc
net net: psp: don't assume reply skbs will have a socket 2025-10-03 10:23:50 -07:00
pcmcia
ras
rdma
rv kernel-6.18-rc1.clone3 2025-09-29 10:36:50 -07:00
scsi SCSI misc on 20251002 2025-10-03 19:17:48 -07:00
soc There's a bunch of patches here across drivers/clk/ to migrate drivers to use 2025-10-07 09:28:37 -07:00
sound
target
trace dma-mapping fixes for Linux 6.18: 2025-10-07 12:48:06 -07:00
uapi Input: Add keycodes for electronic privacy screen on/off hotkeys 2025-10-28 17:11:57 +02:00
ufs scsi: ufs: core: Include UTP error in INT_FATAL_ERRORS 2025-09-30 16:10:29 -04:00
vdso Updates for the VDSO subsystem: 2025-09-30 16:58:21 -07:00
video
xen
Kbuild