https://bugs.kde.org/show_bug.cgi?id=521363
Bug ID: 521363
Summary: fn+F10 doesn't switch digital webcam shutter on ASUS
laptop
Classification: Plasma
Product: plasmashell
Version First 6.6.4
Reported In:
Platform: Kubuntu
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Target Milestone: 1.0
DESCRIPTION
I have ASUS laptop, specifically Zenbook UX3404VA_UX3404VA. On Windows,
pressing fn+F10 switches the digital webcam shutter. That button also has an
LED that indicates whether the webcam is currently disabled or not, just like
the microphone mute button next to it (F9 key). On Kubuntu, pressing this
button doesn't do anything.
STEPS TO REPRODUCE
1. Press fn+F10
OBSERVED RESULT
Nothing happens.
EXPECTED RESULT
The webcam shutter gets enabled/disabled, and the LED on the F10 key
starts/stops glowing.
SOFTWARE/OS VERSIONS
Operating System: Kubuntu 26.04 LTS
KDE Plasma Version: 6.6.4
KDE Frameworks Version: 6.24.0
Qt Version: 6.10.2
Kernel Version: 7.0.0-22-generic (64-bit)
Graphics Platform: Wayland
Processors: 20 × 13th Gen Intel® Core™ i9-13900H
Memory: 16 GiB of RAM (15.2 GiB usable)
Graphics Processor: Intel® Iris® Xe Graphics
HARDWARE
Manufacturer: ASUSTeK COMPUTER INC.
Product Name: Zenbook UX3404VA_UX3404VA
Webcam: USB2.0 FHD UVC WebCam (V4L2) (as shown in Cheese)
ADDITIONAL INFORMATION
I can switch the digital shutter manually by running the following command in
the konsole:
sudo sh -c 'echo 0 >
/sys/devices/platform/asus-nb-wmi/leds/asus::camera/brightness'
(to disable)
or
sudo sh -c 'echo 1 >
/sys/devices/platform/asus-nb-wmi/leds/asus::camera/brightness'
(to enable).
The LED indicates the current state of the digital shutter correctly: if it
glows, the webcam is disabled, if not it is enabled.
Via "sudo evtest", testing for /dev/input/event9 (Asus WMI hotkeys), this is
the output when pressing fn+F10:
Event: time 1781206189.488245, type 4 (EV_MSC), code 4 (MSC_SCAN), value 85
Event: time 1781206189.488245, type 1 (EV_KEY), code 212 (KEY_CAMERA), value 1
Event: time 1781206189.488245, -------------- SYN_REPORT ------------
Event: time 1781206189.488260, type 1 (EV_KEY), code 212 (KEY_CAMERA), value 0
Event: time 1781206189.488260, -------------- SYN_REPORT ------------
>From this I assume that the event is being generated, but isn't handled by the
OS.
The fn+F9 button works as expected: it mutes/unmutes the microphone, the LED
works correctly too. It also shows a pop-up that indicates microphone loudness
when pressing it.
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